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192 Cards in this Set
- Front
- Back
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What is the window of concern between NBL diving and flying?
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24 hours
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Prior to an NBL run, what physical adjustment should you make?
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Cut fingernails as short as possible.
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What should you check prior to donning the EMU?
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1. The placement of the drink bag and straw. 2. that the bitе valve faces outboard from the neck ring. 3. do a quick tool inventory
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What should you check before suit pressurization?
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Verify that the following are in position and do not impede head motion 1. drink bag 2. comm carrier assembly (snoopy cap) cable, 3. microphone position. 4. Also check that valsalve device is useable.
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What must an IV do at the NBL if he intends to aid with suit donning?
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attend a safety prebrief given by the test director after the main dive brief
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Which NBL support person adjusts cooling?
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ECS (NBL Environmental Control Systems)
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Nadir of the airlock, what is the best body position?
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Belly zenith (or side zenith and body restraint tethered to an external handrail) Position is correct, but will want to use a "local" tether, you will be using your BRT to stow a bag
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If disoriented in orbit, what is a good way to regain orientation?
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Orient yourself into the orientation you normally held while performing the task in the NBL.
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What should you avoid when trying to reorient yourself during EVA and why?
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Rotation in a random direction. It will increase the risk of a tether snarl.
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What are the most likely places for a tether snarl?
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around: 1. helmet lights, 2. SAFER towers, 3. between legs
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What is the best orientation to reduce the moment from safety tether tension?
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with the safety tether parallel to your body long axis.
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How many crew may be needed to make fluid connections? Why?
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Two, one to hold the cable in place, the other to operate the connector. Generally there will only be room for one person to work the connector, in the case of the 1.5" lines, you may need two just as you are stating above, however, this not generally the case.
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What is essential before working with large fluid lines?
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solid worksite stabilization
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Before using a higher torque than expected, what should you do?
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check with the ground
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What is the risk if velcro is not correctly closed on orbit?
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That atomic oxygen will erode the velcro over time and the ORU may not be covered properly, causing thermal issues.
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What are the limits to how often an individual can participate in NBL training?
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No more than three NBL runs in a week and no more than two runs on consecutive days
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What work orientations should be avoided?
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1. Performing overhead tasks outside the normal work envelope, 2. sustained inverted body positions, 3. use of heavy tools without diver assistance
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What is the suit's optimal work envelope?
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Chest level, arms slightly bent in front of the suit
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What is the ideal gap between the top of shoulder and the HUT's shoulder joint?
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A one to two cm gap
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What are three parts of the EMU?
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1. SSA (Space Suit Assembly), 2. LSS (Life Supprt System), 3. Support and Ancilliary Equipment
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What are six major parts of the SSA?
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1. HUT, 2. LTA (Lower Torso Assembly)(includes waist/brief, legs, boots, and possibly sizing rings), 3. Helmet/EVVA (EV Visor Assembly), 4. Arms and EV Gloves with heaters, 5. LCVG (Liquid Cooling and Ventilation Garment, 6. Communications Carrier Assembly (CCA - Comm Cap or Snoopy Cap)
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What are 7 parts of the LSS (Life Support System)?
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1. The Primary Life Support System (PLSS), 2. Secondary Oxygen Pack (SOP), 3. Contaminant Control Cartridge (LiOH or Metox), 4. EMU Battery, 5. Space-to-Space EMU Radio (SSER), 6. Real-Time Data System (RTDS), 7. Display and Control Module with C&W system
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What are four restrictions when wearing the EMU?
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1. No jewelry, 2. No sharp implements around the soft goods of the EMU, 3. minimize use of hydrocarbon-based products, such as lotions, maekup, soap, etc. to minimize EMU contamination, 4. Use covers for all EMU openinings when possible to avoid foreign object damage (FOD)
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What is the order of suit donning?
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1. Don the LTA, 2. boot bladder adjustment, 3. Climb into the HUT, 4. Connect Biomed and LCVG, 5. Connect the LTA to the HUT, 5. don gloves & comm cap, 6. Don helmet
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Is a valsalva device required?
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Yes (my understanding is required at NBL, not technically required on-orbit, but I don't know of anyone who has gone out without one)
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When can both the EMU and helmet purge valves be open at the same time?
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never
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What does WVS mean?
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Wireless Video System
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How many waist tethers are required?
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One minimum
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When is a D-ring extender required?
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When a safety tether swap will be performed
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What is critical to a successful connection of the SCU to the DCM?
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alignment, also may have to lift slightly on hoses to get handle to lock in place due to TMG interference
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What are the legal tether points in the airlock?
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1. two on the UIA, 2. One on the hatch D-ring, 3) A/L D-ring extender
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How many tether points on the UIA can be used at a time.
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only one
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What must be visually verified before releasing the internal airlock waist tethers?
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Crew hook gates are closed and locked
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What must EV1 and EV2 check after egress?
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1. no entanglements and 2. that both SAFER handles are in the down position (N2 valve open, deploy handle locked), 3) BRT tab is up. 4) MWS tabs are up
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When is a second safety tether required?
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when translating from the crewlock to approximately 1. middle of P1, 2. outboard end of S1, 3. aft of the functional cargo block, 4. forward beyond Node 2. All of these locations are based on 85' tethers, there are 55' on board as well.
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What must be confirmed during a tether swap?
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All hooks must be visually confirmed closed and locked.
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How many crew members can attach safety tethers to the same hand rail?
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Only one, This is true for anchoring you safety tethers, you can both leave you LAS from a tether swap on the same handrail if needed.
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How many stanchions on the CETA Handrails must be between safety tethers?
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A minimum of 3 stanchions in between tethers
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Can you BRT to a handrail that is used by another crew member for restraint?
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No, you also cannot use the same handrail for crew restraint
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Can the ORLAN fixed length tether be attached to USOS structure?
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No
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Where are the two tether shuttles stowed?
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SO truss segment, bay 3, face 6
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What are two major constraints to using the tether shuttles?
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1. the installation of tether shuttle stops. 2. the use of the tether shuttle between CETA carts and/or the MT (the tether shuttle would slide off th etruss if one of these were not in place to stop the tether shuttle.
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What are the only tools that need not be tethered?
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tools that are placed in the four bayonet fittings of the MWS T-bar
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Must tools placed in the bayonet fitting of a swing arm or tool stanchion be tethered?
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yes
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What is the tensile strength of a RET?
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75 lbs
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What is the tensile strength of an adjustable equipment tether?
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300 lbs
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What is the primary purpose of a waist tether
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crew restraint
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What is the tensile strength of a waist tether?
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750 lbs
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What must be confirmed during all operations involving tether hooks?
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All hooks must be visually confirmed closed (and locked) if applicable by the EV crewmember.
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For what is the MWS End Effector not to be used?
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ORU tethering
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What are the primary concerns during translation?
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1. safety tether management. 2. spatial awareness. 3. body orientation
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What is max translation speed?
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1.4 feet per second
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What are the steps to worksite management?
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1. Check the worksite on approach. 2. Local tether. 3. Establish body position. 4. Inspect the worksite. 5. Perform the task. 6. Closeout worksite. 7. Check the worksite on departure
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What are the acceptable local tethers?
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1. MWS EE. 2. Waist Tether. 3. BRT/MUT
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What rules apply to mass handling?
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1. Maintain the object in the primary work envelope of the suit. 2. Keep both arms slightly bent. 3. Keep both feet secured in the foot restraint. 4. Flight rules might limit desaturation jet (ISS) firings during large mass handling operations.
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How should you approach and gain control of an incapacitated crew member (IC)?
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1. Think about orientation. 2. Move to position. 3. local tether to the IC. 4. decide what to do with IC safety tether. 5. remove any local tethers before translating. 6. Consider using MWS EE to snug
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How do you get an incapacitated crew member (IC) into the airlock?
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T-bar for attitude control; head first
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After getting the incapacitated crew member (IC) into the airlock, what should you do?
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1. Tether the IC to the inside of the airlock with their waist tether to the Airlock D-ring extender. 2. Check with MCC to find out if it is necessary to connect the IC to the SCU. 3. Untether your waist tether from the IC and local tether. 4. Ensure that safety tethers are not connected between vehicles.
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What are the responsibilities of the EV crew member while on the arm for safe arm operation?
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1. Give the arm operator information on proximity of the arm from structure. 2. Ensure all tethers are clear of the arm while it is moving
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What must EV crew member on arm concentrate on in order to prevent inadvertant boot release?
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Keeping your heels out
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What is accepted technique for using the SAFER to fly back to structure?
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1. start Yaw - stop yaw 2. start pitch - stop pitch 4. +X to close. 5. translational only 6. avoid solar array wings, radiators and antennas. 7. save propellant
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If safety tethered to structure but came off, what is the primary way to return to it.
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Deploy the SAFERNot sure on this, may want to check with some other senior folks
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Should helmet lights be left on during entire EVA?
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yes
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What day/night checks should be done?
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1. Sun visor down or up. 2. Cooling as required. 3. Tool/tether config. 4. MWS bayonet sliders closed. 5. Physical status check. 6. Glove Heaters on/off as required. 7. RTV status. 8. Vectran check. 9. If outboard of SARJ, wrist gauntlet covering. 10. (good idea) if worked in a confined space, check SAFER handles. 11. (good idea) If other crewmember available, check MWS latches
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What are the major parts of the MWS?
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1. Modular base plate. 2. "T-bar" 3. swing arm. 4. retracting end effector
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How much chord does the MWS end effector have?
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45 inches
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When must tools on a swing arm be tethered?
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Any tools on a swing arm and not in plain view
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Can the MWS EE be used as an equipment tether?
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No, for body restraint only
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How long can a socket extension be on the PGT before requiring approval for translation?
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6 inches
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What is the max length of tool that can be installed on the MWS t-bar?
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18 inches
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What is max length of tool installed on swing arm?
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19.5 or 21 inches depending on the MWS
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What is recommended to be checked periodically on the MWS?
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lock levers
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What is easiest direction for gates to face for tethers attached to MWS D rings?
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with gates facing you in the suit
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What are the names of the most commonly used equipment tethers?
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Adjustable (adjustable equipment tether), RET (Retractable Equipment Tether), Fish Stringer (Adjustable Fuse tether)
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When must you not pull against a loaded RET?
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Once the retractable tether on a RET has been fully extended
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When handling ORUs or tethered tools, what should you avoid using as the handling point?
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the tether hook
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What is the max weight of an item on the BRT?
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300 pounds
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Why should the BRT be installed on the left side?
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so it doesn't interfere with the deployment of the SAFER HCM
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Do the MUT and BRT require items they hold to be tethered?
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BRT yes, MUT no
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What is a good technique to reduce the snag hazard from BRT jaws?
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keep the jaws closed
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When is it not OK to ratchet with the PGT?
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with the PGT in the motor position
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Where should you not hold a PGT?
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by the ratchet collar
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What on a PGT should you avoid touching during operation?
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the ratchet collar
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To avoid SAFER HCM deploy, how should the PGT be stowed?
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on the outside bayonet fitting of the swing arm with the socket pointing aft.
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When must the PGT be calibrated?
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Every time that it is turned on.
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When should the PGT settings be confirmed?
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prior to driving a bolt and after you have changed the settings
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Is it ok to rely on the PGT for turn count?
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no
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how do you check that the PGT reached the desired torque?
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check the peak torque on the alpha numeric display as well as the PGT torque LEDs
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What does a single green PGT LED mean (red LED not lit)?
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torque in tolerance
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What does a single red PGT LED mean (green LED not lit)?
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low torque
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What does a red and green LED on the PGT mean?
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high torque
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When changing sockets on the PGT, what should you do?
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perform a pull test to ensure the socket is firmly attached to the PGT drive
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How can you avoid PGT chatter?
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manually break torque first
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What should you repeat to MCC for critical bolt fastening?
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final torque and turn count
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What does RAD mean?
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right-angle drive
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What is a technique to remove an item from a trash bag?
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push the object to the opening
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When must an item in a trash bag be tethered?
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Anytime it sticks out the opening, 1) we do not want anything in contact with the bristles if we can avoid it, 2) If you are using the trash bag to hold a socket during a socket swap you will want a tether on it
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When may no items be removed from a trash bag?
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When the bag contains untethered trash
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When must the EVA camera lens cover be on?
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at all times when the camera is not in use
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What is the best lens to be used for general space scenes?
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28mm
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What is the output torque of the torque multiplier multiplied by?
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a factor of five
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How should torque multiplier use be limited?
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limit it to no more than one turn on the bolt
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Can you use a cheater bar when using a ratchet wrench and torque multiplier?
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No
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What must be the position of the anti-back lash feature when using the torque multiplier with the PGT?
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the neutral position
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With what is the anti-back lash feature on the torque multiplier used?
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only with the ratchet wrench
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What must be done at all times with the square TM, but not the round TM?
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The square TM must be tethered at all times
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What is the max load on a gap spanner?
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50 pounds
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How do you know if a gap spanner is tensioned correctly?
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the spanner buckle must be able to rotate 90-deg in plane with the webbing
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What is a PRD?
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a payload retention device
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How many times must the PRD strap be wrapped around the take-up reel for tension to be assured?
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2.5 times
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How much slack should the PRD have before tightening?
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six inches
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What is the max number of ratchets on a PRD to prevent irreversible binding?
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30
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To ensure the torque wrench maintains accuracy, what is the longest time after removal from the air lock when the wrench can be used?
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3.5 hours
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How do you verify that the torque wrench has reached the desired torque?
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check it twice (double clicking)
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What are options for transport of the torque wrench?
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in the stowage bag on the MWS or wired tied to the bottom of the crew lock bag
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What is an ETSD?
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EVA tool stowage device (AKA tool box)
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Where are ETSDs located?
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airlock; Z1 truss
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What is OHTS?
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ORU handling tool system
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Where is OHTS stowed?
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on Node 1
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What is in auxiliary bag 2?
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1. various EPS jumper cables. 2. a set of long-duration ORU tie down tethers.
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Where is the MSS extension cable bag located?
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on the zenith face of the MT/MBS
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What is in the MSS extension cable bag?
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an extension cable for powering the Mobile Servicing System (MSS) if the MT is unable to mate with a UMA (Umbilical Mating Assembly)
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How many latches are required latched on each door of the "tool box" before an EVA crew member leaves the immediate area?
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One latch per door
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Can you BRT to a door on the tool box when the door is open?
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No
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Can you safety tether to a hand rail on a tool box?
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No
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How many latches must be closed on a tool box door before the door hand rail can be used as a translation aid?
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door closed and one latch closed and locked.
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In reference to which mark is APFR and IAPFR clocking read?
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The thick black primary marking on the passive WIF.
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What do the thin black lines on a passive WIF mean?
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It is the secondary marking opposite the prmary marking
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On what handrails is local tethering allowed?
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Only approved handrails
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For Incapacitated Crew Member, what is the Dave Wolf recommended tether technique?
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Tether to tether, even with D-ring extenders
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What adjustment can be made to the APFR boot plate to aid ingress?
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pitch the boot plate down 10 - 15 degrees relative to your body axis.
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How can you check APFR position before ingress?
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1. check alignment of the footplate to ensure that it is pointed to the worksite and/or ingress aid. 2. verify the distance to the worksite and/or ingress aids by grabbing the toe loops with one hand and touching the worksite with the other.
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If multiple ingress options for APFR exist, which should you choose?
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Choose the option which affords more roll/yaw adjustment capability
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When is it best to set APFR settings?
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Consider configuring the APFR to the new settings prior to relocating it.
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What pitch joint setting moves the APFR furthest from a worksite?
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90-deg out
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What is the best clocking for the APFR ingress aid?
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It is best if the Ingress Aid T-handle is allowed to flex directly towards you in the APFR. If the indentation in the collar is clocked elsewhere, it may get out of reach when you need it.
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When can a MUT/ball stack not be used?
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1. to restrain ORUs during CETA cart translations. 2. to translate ORUs greater than 300 lbs
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How do you prevent inadvertant release of an ORU from a MUT/ball stack?
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the MUT locking collar must be engaged
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What does MUT mean?
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Multi-Use Tether
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What is an option for securely temp stowing an ORU with a handrail (other than using tethers)?
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using a ball stack with end effectors on both ends
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What must be checked before CETA cart relocations?
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1. Tool box (if installed) is closed and latched. 2. Swing arms are stowed at 0 position and locked. 3. EVA crane stowed. 4. APFR positioned. 5. Brake handles stowed.
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What must CETA-MT coupler knob be placed in when cart is uncoupled?
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in the capture position
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How many EVA crew members may work from CETA cart foot restraints simultaneously?
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Only one.
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In what config must the CETA cart be at the conclusion of an EVA?
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coupled to the MT
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Can you safety tether to the CETA Cart handrails?
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No
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When doing QD mate/demate ops, what level of interaction is required with IV?
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Use the challendge and response method.
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What should you inspect for before mating QDs?
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Perform a thorough visual inspection of each QD half.
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What should you be wary of when removing the thermal cover from a bail operated QD?
|
the button on a bail operated QD may be very loose or floating free
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What must be replaced after valve operations on any QD that has one installed?
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Spool Positioning Device (SPD)
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What is a QRT?
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A QD release tool
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Why should you use a QRT with caution?
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They can apply a great deal of force
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What can be done to make QD ops easier?
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minimize side loads
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What is an SPD?
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A spool positioning device
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What is a BDL?
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Bail drive lever
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What are the two types of EVA electrical connectors?
|
NZGL and Canon
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When is a NZGL connector ready to mate?
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When the lever is in the full rear position
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In what config must you have the Canon connector in before engagement?
|
Align the white stripes on the back shell connector to the white stripes on the receptacle connector.
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Prior to manipulating any electrical connectors, what must you check?
|
Verify that all inhibits are in place
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When can the Canon connector be cycled between lock and unlock?
|
Only when it is soft docked to an appropriate receptacle
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What may happen if you push and turn connector dust caps?
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It may damage the spring and make it very difficult to remove the cap
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What should you check prior to moving the bail on an NZGL connector?
|
That all the bail linkages are present
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What should you do with loose NZGL connectors?
|
Remove as FOD and stow as trash
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What must you be extremely careful about not damaging during ORU change out?
|
to not damage the cooling fins or blind-mate connectors
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What is the loss of comm signal for help/emergency?
|
arm extended, palm forward, wave it up and down
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What is the loss of comm signal for go to a/l immediately?
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thumb pointed down, then index finger pointing toward airlock
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What is the loss of comm signal for can't receive?
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palm facing ear, wave back and forth
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What is the loss of comm signal for can't talk/transmit?
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palm towards face, wave up and down
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What is the loss of comm signal for ok?
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arm extended, thumb up.
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What is the loss of comm signal for stop?
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Closed fist, palm towards partner
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What is the loss of comm signal for go to cuff c/l?
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index finger pointing at cuff c/l
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what is the loss of comm signal for frequency swap?
|
hand makes waving motion in fron fo chest, then swap up or down.
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What is the loss of comm signal for zero?
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fingers curled, palm perpendicular to direction to other crew member
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What are the loss of comm signals for 1 through five?
|
Extend the appropriate number of fingers vertically (long axis of body), add the thumb for five
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What are the loss of comm signals for six through nine?
|
Extend a finger horizontally (perpendicular to body's long axis) for each number above five. Don't use the thumb.
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Must an individual remain at the NBL during the hour after a dive?
|
yes
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What are the max number of NBL runs allowed in a week?
|
three
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What is the max number of consecutive NBL runs?
|
two
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Is a valsalva device required?
|
yes
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What must never be open when the DCM purge valve is open?
|
the helmet purge valve
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How many crew members can the UIA tether points support?
|
a single crewmember (only one can be used at a time)
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What is the proper orientation of the PGT when stowed in the right swing arm?
|
with socket facing aft
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What is the max weight for items carried by the BRT?
|
300 pounds
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On what handrails can you not use the BRT for body restraint?
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ORU handrails
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Before Egress what is the standard call for each hook on path to structure?
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gate closed, black on black
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After egress and safety tether installation, what is standard call for both safety tether hooks?
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gate closed, black on black, then reel unlocked
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What is standard call after installing an APFR?
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The APFR is installed, locking collar black on black, good pull test. Read the settings from the base base up, clocking, pitch,roll, yaw
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What should you always verify before starting to use a PGT for a task?
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PGT settings, turn count, and bolt sequence
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What should you report after driving a bolt with a PGT
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LEDs, torque, and turns
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What is a technique to verbalize PGT turns
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1, 2, 3, 5, 10, 20, 30, ...
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What should you report after removing a bolt with a PGT?
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Torque & turn count
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What should you always check and verbalize before electrical connector operations?
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Verify inhibits are in place, check jack and plug sides for "Good pins, no FOD, good EMI band, good bend radius"
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How do you solve a tether snarl.
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1)Attempt to see your tether, 2)use an AET to tether your current tether location to stucture 3)Make small translation movements around current area to determine direction of safety tether , 4) Attempt to undo the snag. If the snarl cannot be easily cleared, stop motion and request help from the other crewmember.
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