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109 Cards in this Set

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Maintenance means

Keeping apparatus in a state of usefulness and readiness

29

Repair means to

Restore that which has become inoperable or out of place

29

Preventive maintenance helps to ensure

Reliability, reduce frequency of cost on repairs, and reduces out of service time

29

Goal of preventive maintenance is to eliminate

Unexpected and catastrophic failure that may endanger firefighters and general public

29

NFPA 1071

Standard for emergency vehicle technician professional qualifications

29

Driver operator's should be able to perform routine tests, inspection and servicing of the following systems

Battery, brake system, coolant sustems,electrical system, fuel system, hydraulic fluids, oil, tires, steering system, belts, tools, appliances and equipment

30

AHJ

Authority having jurisdiction

Who will determine the assignment of maintenance and repair in each department

AHJ

30

A more detailed inspection list may be completed

On a weekly or monthly basis

30

Process/Guidelines to finding a somthing in need of repair on apparatus are

Inspection results finding inoperable equipment



Documents



Notifies their immediate supervisor



Status of repair is followed up in a reasonable time.



Items falling under NFPA 1911 (out of service) action should be taken immediately

31

How to keep longer vehicle life

Keeping apparatus body clean

32

Firefighter should check what side of the engine when checking for maintenance

The side of the fuel lines and filters are located

32

Clean trucks help prevent? Also helps inspect?

Prevent buildup of dirt, grime, and diesel fuel residual


Helps inspection of hoses and wires for cracks and frays

32

Most vulnerable area are in an engine compartment where linkages fuel injectors and other controls may become inoperable due to collection of dirt

.

32

What does not have external moving parts but should be checked for collection of dirt and oil

Fuel injectors

32

To determine a way to neutralize cold weather chemicals you should consult to who

Highway maintenance authority



Apparatus manufacturer may be of assistance

32

What kind of cleaning could have adverse effects to over cleaning

Steam cleaning or high pressure water sprayer remove lubrication from chassis engines pump and underbody



Do no strip away necessary lubricants

33

What is necessary to perform after a heavy cleaning

Routine lubrication to ensure all components are properly protected from excessive wear

33

Most commonly performed maintenance function

Washing the exterior of apparatus

33

For how long of a new apparatus should you clean with cold water and why

6 months



Keep it from spotting and harden the paint

33

Way to reduce damage to new paint of and apparatus

Garden hose without a nozzle (high pressure and drive dirt into paint)



Rinse as much dirt off as possible before using soap



Wash before dirt and grit can dry



Don't wash when vehicle surface it hot or with hot water



Start at the top



Use a chamois or rubber squeegee


34

Cleaning windshield use

Warm soapy water or commercial glass cleaner

34

A CDL gross vehicle rating how many lbs

26,001 lbs

36

Circle or walk around method.

Walk around clockwise or counterclockwise starting at one point

36

Inspecting an apparatus and its equipment to ensure everything is in place clean and ready for service

Operational Readiness inspection

36

A visual inspection of an apparatus to ensure the major components of the chassis are present and in proper working condition

Pre-trip Road worthiness inspection

36

An inspection wear a certain system or component of an apparatus is operated to ensure that it is functioning properly

Functional check

36

Two types of inspections conducted during walk-around inspection

Operational readiness and pre-trip Road worthiness inspection

36

Where does the driver operator begin his walk around inspection and in what direction

Drivers door and in a clockwise direction

36

When approaching a vehicle to be inspected drivers should observe

Anything readily Apparent from a distance such as body damageTerrainFluid leaks such as water coolant oil hydraulic




Terrain



TerrainFluid leaks such as water coolant oil hydraulic


Fluid leaks such as water coolant oil hydraulic

37

When inspecting a vehicle indoors

Area should be properly vented. The apparatus should be parked outside for functional tests if weather permits



chalk wheels

37

Diesel exhaust may contain up to how many harmful chemicals and compounds

100

37

When to run engines in unvented areas

Not for any period of time

37

The maximum amount of weight that an axle system can safely

Gross axle weight rating

38

When check tires you should check for

Type, conditions and inflation

38

When is it acceptable to mix tires

Never



Make sure tire types match and to never mix radial tires with bias-ply tires

38

Tire selections are based on

Gross axle weight rating

38

The max slmph rating on the tire is not an invitation to continually operate at that speed

.

38

What to check for on tire conditions

Tread depth, tread separation, cupping, wear on the side walls, cut, dry rot, cracks, or objects impaled

39

Tires may fail if driven on continous highway speed

.

39

Manufacturer will have proper published charts so you can customize the pressure to actual axle weight

.

39

The maximum tire pressure is not the recommended pressure located the

Exterior of the tire



Use manufacturer chart recommendation on lbs

39

An electric home monitoring system that will shed electrical load in a predetermined order if the chassis voltage begins to drop below a predetermined level

"Load management system"



- Are intended to prevent an overload of a vehicle's electrical generation system

40

Operation of equipment or conductor in an excess of its rated ampacity, continuous overload may result in overheating that damages the equipment

Overload



Due to the large amount of electrical equipment added to a modern Fire Apparatus

40

Device in an electrical system that turns lights on at specified intervals so that the start-up load for all of the devices does not occur at the same time

Load sequencer

40

Device that watches in electrical system for added loads that may threaten to overload the system

Load monitor



Load monitor is the device that shuts down less important equipment.

40

When an overload condition occurs the "Load monitor" will shut down less important electrical equipment to prevent the overload. This is called?

Load shedding



40

If an inverter is activated to supply power to two 500 watt flood lights the (BLANK?) May shut down the air conditioning system in the cab or the compartment lights

Load monitor

40

A component of the powertrain that receives Torque from the engine and converts it to the rotation on the wheels. a clutch is used to disengage the transmission from the engine to allow the apparatus to start stop or change gears to maximize engine performance

Manual shift transmission

41

Amount of travel the clutch has before it begins to disengage the engine from the transmission

Free play (free travel)



the pedal should not have insufficient for excessive free play



Excessive FreePlay may result in the clutch not releasing completely

41

The component used to put on the internal clutch fingers connected to the clutch pedal and when activated disengages the clutch from the engine

Throw out bearing

41

In a steering system the amount of travel between turning the wheel and when the steering system moves

steering wheel play

41

What is the distance that the pedal must be pushed before the throwout bearing actually contacts the clutch release fingers

Free play

41

What will insufficient FreePlay cause the clutch to do

Slip, overheat, and wear out sooner than necessary

41

Steering wheel play should be no more than approximately how many degrees in either direction

10 degrees

41

On a 20 inch diameter steering wheel the play Maybe about how many inches in either direction

2 inches

41

What is curb weight

Her weight is the weight of an empty fire apparatus fresh off the assembly line with no tools water equipment or passengers

40

The manufacturer determines gross vehicle weight rating (GVWR) as the what

The maximum weight at which a vehicle can be safely operated on roadways in ideal conditions

41

The GVWR placar may also indicate maximum weight for each axle on the apparatus all along with tire pressure recommendation

.

41

Before placing any apparatus in service with all compartments with the intended in service equipment hose water and crew weight each axle compare the results to the gross axle weight rating placard

If the measure of weight is higher then the gawr remove or redistribute equipment until a safe loading is achieved

42

Per NFPA 1901 and 1911 a side to side variance in weight should not exceed

7%

42

Who may dictate how and when brakes are tested

Federal, state, and provincial

42

A braking system that uses a fluid in a closed system to pressurize wheel cylinders when activated

Hydraulic braking system



Smaller apparatus as well as some older vehicles may be equipped with HBS

42

An electronic system that monitors wheelspin. When braking and a wheel are sense to begin locking up, the break on the wheel is temporarily released to prevent skidding.

Anti-lock brake system



Most commercial and private Vehicles built since 1990 are equipped with abs

42

A braking system that uses compressed air to hold off a spring break (parking break) and applies air pressure to a service brake for vehicle

Air actuated braking system



Most large modern fire department pumping apparatus are equipped with air brakes

42

On apparatus equipped with air brakes the air pressure must build up to

A sufficient level within a defined period of time after starting the engine

42

When apparatus with air brakes is not in use what can you do to maintain adequate air pressure

Add an electrical air compressor, or connect the apparatus to a fire station compressed air system



These May prevent delays in responding

43

What is an air pressure protection valve

It prevents air horns or other non-essential devices from being operated when the pressure in the air Reservoir drops below 80 psi on a apparatus with air brakes

43

What is an air pressure protection valve

It prevents air horns or other non-essential devices from being operated when the pressure in the air Reservoir drops below 80 psi on a apparatus with air brakes

43

What is a disadvantage to compressed air tanks

Compressed air tanks will develop moisture that can cause rusting inside the tank



If water is found in the air tanks are reservoirs it should be immediately reported to service maintenance

43

What brake system reduces the possibility of an apparatus going into a slide jackknife or spin during heavy braking

Anti-lock brake system

43

What brake system assist the driver operator in keeping the apparatus in a straight trajectory during heavy or emergency braking

Anti-lock brake system



It also enhances a controlled stop

43

Apparatus brakes should be thoroughly tested at least

At least annually using the methods outlined in NFPA 1911 standard for the inspection, maintenance, testing, and retirement of in-service Automotive Fire Apparatus

43

What should a driver operator conduct B4 Road operations of a commercial vehicle

Air brake test

43

What is A series of tests used to ensure the stability of an air braking system. Tests include air loss, air compressor build up, air warning, and emergency parking brake activation

Air brake test

43

Devices used in an air brake system that connect between the activation pads in the brake pads that compensate for brake pad wear

Slack adjusters

43

apparatus with too much brake Slack can be difficult to stop

.

43

What is a tilt cab

A truck that uses a cab that lowers over the powertrain



44

Most checks with the exception of (BLANK) should not be conducted while the vehicle is running

Transmission fluid level

44

When using the Tilt cab ensure that the control operates freely without binding and what should be latched

Hold open device is latched

44

Before working under cab engage

Prop support

44

Mini truck cabs have inspection doors that allow you to check

Engine oil, coolant, and other fluids



However the cab should still be lifted on a weekly basis for a thorough inspection of the engine compartment

45

There is no established order in which to check items in the engine compartment

.

45

A device design to remove diesel particulate matter or soot from the exhaust gas of a diesel engine

Diesel particulate filter (DPF)

45

Applying Greece and other lubricants to specific parts of a chassis to reduce wear, noise, and binding

Chassis lubricationHelp reduce




Help reduce


Help reduce out of service time

45

In a diesel engine what traps much of the particulate matters in an exhaust emission

Diesel particulate filters

45

In what regeneration mode May the vehicle be operated normally

Automatic regeneration mode



Exhaust temperature is raised in order to burn off of particulate matter accumulated in the filter

45

What happens if the vehicle is driven without automatic regeneration and the filter becomes to contaminate

The vehicle will experience reduced power in Drive capability until a regeneration cycle is complete

45

The Selective catalyst reductant system uses diesel exhaust fluid to help further

Reduce emission

45

Periodically inspect exhaust system and look for signs of

Cracks and leaks

45

On engines with DPF built in 2007 or later it is important during regeneration to watch out for

High temperatures during the Regeneration process an exhaust leak skin damage surrounding components or set them on fire

45

The SAE number indicates only the

Viscosity of the oil

46

What are some essential characteristics of oil and it may be controlled by?

Corrosion Protection, bowling, sludge, and carbon accumulation



Controlled by the refiner

46

If chassis lubrication is within the responsibilities of the driver operator take the following steps to complete these duties

Be familiar with lubrication field points


Wipe the fittings clean


Press end of lubrication gun fill hose on to the fitting


Continue the process around the vehicle into all lubrication points have been filled

46

Continuing to pump after resistance is felt causes what

Excessive pressure and made damage rubber grease seals

46

Driver operator should check that the cable connections are what on truck batteries

Are tight and protected with a film of Grease, petroleum jelly, or battery terminal protection product

46

Batteries give off what kind of gas

Explosive hydrogen gas

47

Newer apparatus may be equipped with what kind of system to facilitate jump-starting without directly accessing the battery

An on-board charging system or a jumper studs

47

Why are fire pumps tested at regularly scheduled intervals

To compare actual performance to specific standards

48

What should you do after drafting from a static supply of water such a salt water lake Pond or old water mains before placing the apparatus back in service

The pump and piping should be thoroughly flushed

48

What is a post maintenance repair inspection

A specific inspection to an area of a chassis or apparatus to ensure that the unit is operating properly in accordance with the manufacturer's initial design

48

Systematic maintenance program procedures should specify

Maintenance procedures, when they are performed, and who is responsible for conducting the maintenance.



The procedures should also specify a method of reporting, correcting, and documenting all activities

30

Apparatus maintenance and inspection records are important documents that may serve several functions such as

Making sure required maintenance was performed.


In an accident maintenance records are among those likely to be scrutinized by investigators.


A completely documented history of recurrent repairs may also assist in deciding whether to purchase a new apparatus

31

When performing a routine walk around maintenance inspection the second firefighter should

Operate the side warning light switch in the cab, calling out to the inspecting firefighter when activated.



Operate all rear running an emergency light switches in the cab one at a time, calling out switch type to inspecting firefighter

When checking air brake system after one minute air pressure should not drop more than what PSI for straight chassis vehicles or what PSI for tractor-drawn aerial apparatus

3 PSI for straight chassis vehicles 4 PSI


4psi for aerial apparatus

61

When engines off and master switch on pump brake pedal continually lowers air tank pressure. Warning light and Buzzard should activate before what PSI

60 PSI

61

Air pressure should build up to 85 - 100 PSI in 45 seconds at full engine RPM

.

With parking brake release to continue to pump brake pedal until air brake control sets automatically by the button popping out. The button should pop out between 20 and 40 PSI

.

Step on the brakes firmly when the apparatus is moving at about 5 miles per hour the apparatus should come to a complete stop within 20 feet

.