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96 Cards in this Set
- Front
- Back
SWBS acronym
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Ship Work Breakdown Structure
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Hierarchy of Manuals to abide by?
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-Class specific preventative maintenance manual
-NEM -COMDTINST -NSTM |
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Which manual generally contains the best engineering and damage control practices known today?
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NSTM
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NSTM vs. Manufacturer's instruction book?
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Manufacturer's instruction book takes precedence
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NSTM vs. NEM vs. COMDTINST?
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NEM or COMDTINST directive shall be used
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Unscheduled maintenance without an MPC is documented where?
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EAL
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Prior to using a P-250 punp, extreme caution must be exercised to ensure....
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exhaust hose is properly sealed
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A 25,000 volt safety shorting probe shall be conspicuously located in all engineering spaces containing...
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switchboards or other installed high voltage equipment
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COMDTINST Tag out requirements vs. OSHA requirements for shore units?
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OSHA takes precedence
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Can Diesel fuel be used as a solvant?
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Yes
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Can gasoline be used as a cleaning solvant or substitute for lighter fluid?
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No
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Hot surface for fuel oil?
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400°F or higher
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Hot surface for hydraulic or lubricating oil?
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650°F or higher
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Protective covers must be designed to do what?
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direct spray away from personnel and hot surfaces
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What type of nuts are not used for securing battery cables?
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-wing nuts (not authorized)
-hex nuts and lock washers only |
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Vent blower operation on gasoline powered boats?
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-Run blower at least 5 mins prior to starting
-Run blower continuously while running |
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What does the "engineering casualty control status board" do?
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-shows condition of readiness of main propulsion and aux machinery
-shows graphic display of engineering casualties |
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Bi-level maintenance breakdown
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organizational- performed by crews
depot- performed by others (contractors) |
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3 types of maintenance
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corrective
preventative alternative |
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HM&E
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Hull, Machinery & electrical
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Form to request maintenance assistance from Navy?
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OPNAV Form 4790/2K
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6 parts of a Boat Record
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1- Boat record book: hull and machinery history
2- Boat inspection reports: required only for 3 years 3- Casreps/Cascors: pertaining only to current fiscal year 4- TCTO: engineering changes pending 5- TCTO: engineering changes completed 6- Pending CSMP: completed CSMP will be kept in seperate folder for 3 years then discarded |
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Engine coolant requirements
Conductivity? Chloride concentration? |
not to exceed 150 umohs/cm
not to exceed 60 ppm |
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What is used to clean the cooling system on engines?
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Acid clean
with hydrochloric acid |
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NALCOOL and PENCOOL should not be limited to engines that dont have....
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-wetted aluminum surfaces or components in the cooling system
-they don't protect aluminum |
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Antifreeze shall be used on...
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-all boats less than or equal to 65ft
-engines that use keel coolers |
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At a minimum, jacket water w
shall be tested... |
-monthly
-whenever stuff is added |
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SFLC may authorize a delay in engine overhaul up to_____of the overhaul hours.
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20%
No more than 2 extensions shall be granted |
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A drop in exhaust temperature and firing pressure would only indicate a problem in what?
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fuel system
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What may cause a rise in exhause temperatures?
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carboning of exhaust ports
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Carbon build up in 2 stroke cyxle exhaust ports will cause a decrease in....
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exhaust backpressure
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Carboning of turbochargers may increase...
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exhaust backpressure
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Jacket water temperature rise across the engine should not exceed_______
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10 or 12 degrees
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DEMPS Performance tests shall be conducted at intervals of....
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500 operating hours
after initial break in period |
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When conducting performance tests, engines should normally be operated at_____of the coast guard rated load.
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80-90%
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How many core Elements of Diesel Engine Condition Monitoring (DECM) program?
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6
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Zincs are not needed for cutters operating....
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exclusively in fresh water
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Average life of a zinc?
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3 months
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Recycled or re-refined lubricating oil shall be used...
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wherever posible
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After oil and filter change, allow a minimum of____hours before taking oil sample.
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25
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Hoses excluded from hose log
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-outboard engine hoses
-fire hoses -Condition Based Maintenance (CBM) hoses (pneumatic quick disconnect hoses) |
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Units shall submit an electronic copy of their hose log to SFLC how often?
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Annually, with their Cutter Engineering Report or Boat Engineering Report
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Standard Hose replacement interval?
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not to exceed 8 years
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Non-Standard Hose replacement interval?
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exposed to weather without outer cover- not to exceed 5 years
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Service life of Halon and dry chemical hoses?
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not to exceed 12 years
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Service life of AFFF and carbon dioxide extinguisher hoses?
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not to exceed 10 years
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Hand rubber AFFF hose reel hoses hydrostatically tested and inspected every?
Replaced? |
-every 3 years
-not to exceed 12 years |
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Pneumatic control system hoses for installed fire fighting systems replacement?
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Not to exceed 12 years
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Flex hoses for halon, carbon dioxide and FM-200 service life?
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not to exceed 12 years
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Hose shelf life?
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not to exceed 10 years
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Storage of hose should be in cool dry area not to exceed...
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100°F
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A used hose shall not be reused if...
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one or both of its fittings are removed
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For high pressure hydraulic systems, all hoses should be scheduled to be replaced....
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at the same time to minimize system contamination
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Hydrostatic testing of hoses?
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Twice the rated working pressure, held for 10 minutes
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CBM hoses operating in low pressure (less than 150 psi) are not required to....
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be hydrostatic tested
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Flex hoses that connect halon, carbon dioxide, and FM-200 to the fixed fire fighting system are required to be hydrostatically tested every....
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5 years
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New refrigeration units shall use which coolant?
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HFC-134a (aka R-134a)
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Traditional mineral oil cannot be used in a....
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HFC refrigerant system
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The use of _____is prohibited on flanged or threaded connections on evaporators
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white lead
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Portable gasoline shall be renewed every....
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3 months
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Prior to taking on or transfering fuel, cutters and boats shall be....
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electrically grounded
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What shall be performed before taking on fuel?
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clear and bright test
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Cold weather blending fuels in Alaska authorized only from....
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15 October-15 April
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Winter blend minimum flash point?
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125°F
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When forced to load low flash point fuels (less than 140°F), units must not...
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perform full power trials
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When burning low flash point fuels (less than 140°f), keep engine room air temperature to....
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below 108°f
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Biodiesel is...
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-unauthorized for cg boats and cutters
-an emergency substitute fuel |
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Tank stripping to be done?
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Prior to receiving fuel
24 hrs after receiving fuel monthly basis |
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Biobor and Nalfleet compatable?
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yes, can be used together
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Magnetic fuel treatments authorized?
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no
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Only coalescers can remove...
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entrained water from fuel
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Biocides authorized for aviation fuels?
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no
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undisturbed/non-discharged compressed gas cylinder hydrostatic testing?
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every 12 years
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If compressed gas cylinder has been discharged, when next to hydrostatic test?
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5 years
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Halon fixed cylinder hysdrostatic test?
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5 years
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Non-shatterable type cylinders for high pressure gases are....
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standard for shipboard use
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Moisture seperators and air oilers for psi below 125?
abive 125? |
plastic or metal bowls
metal bowls required |
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Minimum fire hose requirements?
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two 1 1/2 inch 50 ft of hose shall be located at each fire station
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Full load test?
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100% WLL
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Dynamic load test?
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125% WLL
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Static load test?
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200% WLL
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Proof load test?
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200% WLL
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Wire rope that is coated with_____ shall be cleaned and lubricated before being placed into service
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cosmoline
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Wire rope shall not be....
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-soaked in solvant
it should be hand cleaned (includes:pressure washed, compressed air, approved wire brush) |
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Hand lubricating wire rope shall not...
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be primary source of wire lubrication
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Use of CMplus is mandatory for cutters...
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outfitted with the system
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What account can you charge fuel treatments to?
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the cutter's fuel account
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What type of anode can NEVER be used on aluminum surfaces? |
Magnesium |
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What would you use to measure the clearance between a bearing journal and the bearing? |
Plastigage |
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What type of clutch discs has superb heat dissipation and durability? |
Sinter discs |
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What type of shaft packing offers the longest life? |
Teflon |
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What type of clutch uses an air bladder to operate? |
Airflex |
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Which piston ring's primary function is to act as a pressure seal? |
Compression ring |
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What is backlash? |
The space between the thickness of a gear tooth and the width of the space between teeth in the matting gear |
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How is backlash normally measured? |
With a feeler gauge |
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Terms that best describe construction of the camshaft |
Lift, duration, flank, nose |