Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Driver > Chassis Items > Flashcards

Chassis Items Flashcards

1
Q

Front Bumper Area

A
  • loose or missing bolts and broken welds on bumper mounts
  • damage to gravel pan and proper mounting
  • damage to wiring and proper mounting
  • properly secured air horns, siren head, and wind up
  • damage to low hanging parts like front intake piping
  • grounding strap
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Radiator

A

Radiator is used to keep engine and tranny running at proper operating temperatures
Bottom:
- blockage from debris in front of radiator
- damage to the cooling fins
- leaks
- proper mounting
Top:
- If hot, check by sight level. If cool, pull cap
- If fluid level is low, fill radiator and reservoir with the marked levels with regular tap water
- check all hoses for leaks and any damage from chaffing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Steering Assembly

A

Consits of the steering arm, steering gear, pitman arm, and steering linkage
- loose linkages
- hydraulic oil leaks
- loose or missing bolts
- broken mounts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Tires and Wheels

A

Wheels:
- Sidewall damage
- Tread damage or debirs
- Tread depth of 5/32” min
- Valve stems are tight, not damaged and caps are in place
- Adequate air pressure (within 10 psi of other tires)
- Duals not touching and no debris between
- Wheel covers are tight
Wheels:
- Not bent
- Free of cracks
- Free of damaged beads
- Front hub oil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Q Siren

A

Loose wires and bolts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Steering Arm

A

Excessive play at joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Steering Center Link or Tie Rod

A

Damage and excessive play at tie rods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Front Springs

A
  • Broken springs
  • Loose u-bolts
  • Springs shifting on axles
  • Broken center pin
  • Spring hangers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Front Brakes

A
  • Grooves or cracks in rotors
  • pad thickness
  • properly secured brake cans
  • oil leaking from hub seal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Grounding Strap

A

Grounding straps provides the connection between the battery, frame, and chassis components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Quick Release Valves

A

Used to send appropriate amount of air to brakes. Also the link to the anti-lock brake system - pulses the air to the cans to keep from skidding
- loose air lines
- tight wires
- proper mounting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Engine

A
  • damage to pan
  • oil leaks
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ECM

A

This is the brain for the engine and the pressure governor
- loose or damaged wiring
- oil leaking into ECM and wiring
- proper mounting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Air Dryer

A

Used to remove the moisture from the air system. Uses a condescend filter and expels a shot of air after every compressor cycle
- excessive oil leaking from bottom
- good hose and wire condition
- proper mounting
- filter replaced within last 12 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Cab-Tilt Motor and Reservoir

A
  • proper oil level
  • loose wiring and hoses
  • leaks
  • proper mounting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Transmission

A

Bottom:
- oil leaks around bottom and rear seal
- good cooler line condition
- tight yokes and u-joints
- all bolts and caps in place
- proper mounting
Top:
- loose wires
- proper oil level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

DPFS

A

System acts as the muffler and also traps particulate matter from the exhaust. Once it gets to a certain restriction it must be regened. It does this by injecting fuel into the canister and burning it off. Exhaust temps will get very hot
- signs of exhaust leaks
- damage
- proper mounting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Driveline Yoke, Universal Joint and Slip Joint

A
  • play in the u-joint
  • bolts missing from caps
  • excessive grease being flung out indicating a bad seal or over greasing on slip joint
  • signs of excessive movement
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Frame Rails and Cross Members

A
  • cracks
  • loose bolts
  • wires hanging out from the wire looms
  • wires being chaffed from rubbing on frame
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Carrier Bearing

A

Is what supports the driveline and helps reduce vibration when it has a long span
- excessive movement up and down and side to side by pushing on driveline beside it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Rear View of Pump Transmission

A
  • Ensure oil is clear and the level is visible anywhere within the sight glass
  • leaks on the input and output side
  • linkages and airlines for pump shift in proper working order
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fuel Filter

A
  • Check glass bowl on top to be sure filter is not plugged (the dirtier it is, the higher the level will be)
  • no leaks
  • hoses in good shape
  • securely fastened
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Primer Pump

A
  • loose wires
  • proper mounting
  • no continuous leaking
24
Q

Body Mounts

A
  • loose or missing bolts
  • rubber bushing in place and in good condition
25
Q

Intake Relief Valve and Drain

A
  • check for proper operation
  • properly secured
  • not capped
26
Q

Air Tanks

A
  • any damage to airlines
  • water or oil contamination (by draining some air out)
  • proper mounting
27
Q

Auxiliary Cooler

A

Located in different spots. Used when the engine coolant temp gets hot while we are pumping. Open the auxiliary cooler and pump water will flow through bundles and cool it or vise versa
- leaks
- proper mounting

28
Q

Bottom of Water Tank and Frame

A
  • leaks
  • damage to tank
  • damage to framework around the tank
29
Q

Rear Springs

A
  • broken springs
  • loose u-bolts
  • springs shifting on axle
  • broken center pin
  • spring hangers
30
Q

On-Spot Chain Assembly

A
  • loose or damaged pins
  • wheels that spin freely
  • actuator arms that move freely
  • operation when switch in dash is pushed
31
Q

Rear Brake Can

A

Can has a very strong spring in it. This spring is what applies the parking brake when air is released from system (when setting parking brake or if air system has a failure)
- damaged airlines
- proper mounting

32
Q

Rear Brake

A
  • grooves or cracks in rotors or drums
  • pad or shoe thickness
  • properly secured brake cans
  • oil leaking from hub seal
33
Q

Wabco ABS Controller

A

Electronic portion of the anti-lock brake system. It sends the proportioning valves the pulse rate when sensing a skid and it receives the input from wheel speed sensors
- loose wires
- proper mounting

34
Q

Rear Differential and Axle

A
  • oil leaks
  • securely fastened springs
35
Q

Fuel Tank

A
  • leaks
  • retaining straps that are tight and in good condition
36
Q

Tailboard Area

A
  • loose wiring
  • secure attachment (broken welds, loose bolts)
37
Q

Bottom of Cab

A

When lifting the cab, have the vehicle running if possible to help with amp draw
- any damage or rub marks on the bottom of the cab itself (damage to spray foam, missing paint)
- damage to heat shielding
- damage to mud flaps

38
Q

Cab Locks

A

Cab locks are what hold the cab to the frame
- loose or broken mounting bolts at bottom of cab and lock itself
- oil leaks
- damage to hoses

39
Q

Battery Box

A
  • cleanliness
  • loose wires
  • secure mounting by hold downs
  • proper color on batteries using the sight glass
40
Q

Air Filter

A
  • damage from cab or curbs hitting it
  • large debris
  • secure mounting
  • tight air intake piping
41
Q

Turbo

A

Turbo uses exhaust gases coming out under pressure to spin a turbine. That turbine is hooked to a shaft going to another set of blades that pulls air in and forces the air under pressure into the intake piping to the intercooler and into the engine to create more power
- exhaust leak
- oil leaks
- tight piping
- rubber boots in good shape

42
Q

Power Steering Pump and Hoses

A
  • oil leaks
  • proper hose condition
43
Q

AC Compressor

A
  • signs of leaks (dirt accumulation) around hose connections
  • proper belt tension and condition on front of compressor
44
Q

Air Compressor

A

Is gear driven off engine and it builds the air pressure for the brakes and air horns
- oil leaks
- damage to air hose

45
Q

Power Steering and Antifreeze Reservoirs

A
  • leaks
  • proper mounting
  • appropriate fluid level
    *there are fluid charts in the apparatus book and near the driver’s seat that tell you which fluid a system takes
46
Q

Ladder Rack

A
  • operational lights
  • correct fluid level
  • leaks
  • operation and condition
47
Q

Detroit Diesel Fire Commander (Pressure Governor)

A
  • confirm that “ok to pump” and “throttle ready” lights are one
  • check throttle functions up, down, and preset
  • throttle up to 150psi checking for smooth and steady rise in pressure
  • close tank re-circ valve quickly and ensure pressure governor catches pressure within 10 seconds and allows no more than 30 psi swing
  • open tank re-circ valve to ensure pressure governor catches pressure within 10 seconds and allows no more than 30 psi swing
  • do in pressure and volume mode
48
Q

Valves

A
  • open drains
  • open and close valves fully, ensuring smooth operation
  • ensure valve linkage is not hitting or rubbing wires, hoses, or backs of gauges
  • open and close electric valves ensuring operation of valves and lights
  • close drains
49
Q

Waterous Change Over Valve

A
  • run pressure up in volume to 150 psi and note engine RPM (1200-1400)
  • idle out and switch to pressure mode, note the master discharge (25psi in volume to 50psi in pressure)
  • run pressure up in pressure mode to 150 psi and not the engine RPM (700-900)
  • return pump to volume mode
50
Q

Ember Filter

A
  • Check for debris and proper mounting
51
Q

Exterior Inspection

A
  • vehicle sitting level
  • any exterior damage
  • grab bars and mirrors firmly attached
  • check screws securing access panels
  • hanging wires or objects under vehicle
  • exterior cleanliness and debris
  • compartment doors function properly
  • lenses general condition
  • accessory equipment firmly affixed
  • fluid leaks (oil, water, and anti-freeze)
  • wipers (condition and operation)
52
Q

Alternator

A

Creates A/C current and converts it to D/C current to charge batteries and run all electrical devices. Alternators are rated in amps and volts
- loose or damaged wires
- proper belt tension and condition

53
Q

Fan and Belts

A
  • cracked or damaged blades
  • proper belt tension and condition
54
Q

Pump Check

A
  • pump indicators (pump engaged, ok to pump lights, speedometer)
  • check operation of pressure governor (lights, compare readings to cab, functioning properly)
  • work transfer valve
  • operate priming pump (at 1100 rpm)
55
Q

Dash Check

A
  • oil pressure
  • air pressure
  • voltage within appropriate limits

Driver (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions