Cdl Pre-Trip Inspection

Front 1

Air Compressor (Belt)

Back 1

Maintains air pressure in air brake system. Belt is not frayed and deflects not more that's 3/4 of an inch.

Front 2

Brake Chamber

Back 2

Converts air pressure to Mechanical Force to operate wheel brakes. Damage may reduce braking force.

Front 3

Ammeter/ Voltmeter

Back 3

Shows if generator or alternator is functioning.

Front 4

Brake Drum/ Lining

Back 4

If worn can cause excessive heat build up from reduced ability to absorb and dissipate heat and may lead to Lisa of brake pressure.

Front 5

Clutch/ Gearshift

Back 5

Disengages engine from drive train so vehicle won't move and reduces load on starting motor.

Front 6

Coolant Level

Back 6

Prevents engine failure due to over heating or freezing.

Front 7

Drive Shaft

Back 7

Transmit power from transmission to drive axle. Bent shaft, loose, worn U-joint may cause recessive vibration.

Front 8

Exhaust System

Back 8

External piping for conducting combustion gassed from engine. Leak could cause asphyxiation of driver or passengers.

Front 9

Frame

Back 9

Look for cracks, broken welds, holes or other damage to the longitudinal frame members, cross members, box or floor.

Front 10

Fuel Tank/ Leaks

Back 10

Check that tank(s) are secure and not leaking, caps are thought and there are no leaks from tasks or lines.

Front 11

Header Board

Back 11

Prevents cargo from shifting forward and injuring the driver when the vehicle abruptly stops.

Front 12

Hydraulic Brake Check

Back 12

Pump the brake pedal 3 times and hold down for 5 seconds. Pedal should not move during the 5 seconds.

Front 13

Kingpin/ Apron/ Gap

Back 13

Pin that attaches the trailer to the tractor and metal plate the attaches to trailer that provides surface for resting trailer on fifth wheel.

Front 14

Air/ Electric Connectors

Back 14

Glad hands and electrical plug are firmly sealed and there are no audible leaks.

Front 15

Alternator Belt

Back 15

Drives the generator and is not frayed, cracked and is secure. Not more than 3/4 of an inch give.

Front 16

Battery/ Box

Back 16

Secured, connections are tight, cell cap are present and no excessive corrosion.

Front 17

Brake Hoses/ Lines

Back 17

Carries air or hydraulic fluid to Engel brake assembly.

Front 18

Catwalk

Back 18

Platform at rear of cab for driver to stand on when disconnecting trailer lines.

Front 19

Heater/ Defrost

Back 19

Heats cab and frost from forming on windshield.

Front 20

Landing Gear

Back 20

Supports front end of trailer when trailer is not coupled to tractor.

Front 21

Mirrors

Back 21

Provides visibility to the side, rear, and inside the vehicle and must be properly adjusted.

Front 22

Mounting Bolts

Back 22

Loose or missing bolts may cause movement between tractor and fifth wheel assembly.

Front 23

Platform (Fifth Wheel)

Back 23

Mounting holding the fifth wheel skid plate and locking mechanism.

Front 24

Power Steering Fluid (Belt)

Back 24

Hydraulic fluid for assisting steering to front wheels.

Front 25

Release Arm

Back 25

Releases fifth wheel locking jaws so trailer can be uncoupled.

Front 26

Emergency Equipment

Back 26

3 red reflective triangles, charged and rated fire extinguisher, spare tires.

Front 27

Sliding Fifth Wheel/ Locking Pins

Back 27

If not locked, the trailer could move during travel: movement could result in the lose of a trailer.

Front 28

Lighting Indicator

Back 28

Turn signals, flashers, and headlight high beams illuminate when corresponding lights are turned on.

Front 29

Lug Nuts

Back 29

Holds wheel on axe and there are distortion of bolt holds.

Front 30

Oil Pressure Gauge

Back 30

Gauge sites increasing or normal lubrication pressure to prevent engine failure, article or breakdown.

Front 31

Parking Break

Back 31

Keeps vehicle from rolling when parked.

Front 32

Rims

Back 32

If damaged could result in loss of tire, loss of air pressure in a tire. May not have welding repairs.

Front 33

Slack Adjuster

Back 33

When pulled by hand, brake rod should not move more than one inch.

Front 34

Spring/ Air/ Torque

Back 34

For damping wheel vibration forces by using leaf or coil springs or air bag.

Front 35

Steering Linkage

Back 35

Transmits steering action from steering box to wheel.

Front 36

Tires (non-steering axle)

Back 36

Minimum tread depth is 2/32, no cuts or other damage to read, use tire gauge to check inflation.

Front 37

Windshield

Back 37

Make sure it is clear and has no illegal stickers or obstructions.

Front 38

Steering Box/ Hoses

Back 38

Container (hoses) for mechanism that transforms steering column action into wheel turning action.

Front 39

Stop Arm

Back 39

If equipped, make sure attracted securely to the body of the vehicle.

Front 40

Emergency Exit

Back 40

Door, roof hatches, or push-out Windows that are used are not damaged.

Front 41

Seating

Back 41

Check that cushions are attached to frame and there are no cracks in frames and firmly attached to floor.

Front 42

Passenger Entry/ Lift

Back 42

Entry door is not damaged, operates smoothly and closes securely rails are secure.

Front 43

Student Lights

Back 43

Stobe light, alternately flash amber light, alternately flashing red lights.

Front 44

Inspect lights flashers and signals

Back 44

Activate all lights and flashers and check dash lights and gauges. Edit the bus and confirm that all lights are working properly. Turn on blinkers and make sure they work.

Front 45

Inspect Passenger Seating

Back 45

Check that passenger seats are bolted to the floor and that all cushions are attached to the seats. All interior lights should be working.

Front 46

External Inspection

Back 46

Start the engine and exit the bus for an external inspection. The vehicle should be level in front and back. Look for puddles, leaks underneath the bus, flat tires, loose lug nuts and anything dangling under the bus.

Front 47

Under the hood inspection

Back 47

Check engine fluid levels and all compartments. The battery should be secure and all connections free of corrosion. External storage compartments should be tightly latched and the latches should opted and close easily.

Front 48

Inspect Brakes

Back 48

Test the brakes to make sure the hydraulic or air system is working properly. These instructions vary according to the type of vehicle. Apply the parking brake only. Shift the bus into a lower gear to see if the brake will hold the bus in place.
With the engine running, firmly depress the brake for five seconds. it should be firm and not move.

Front 49

Inspect Passenger Entry and Exit

Back 49

Doors should open and close freely and be free of damage. Steps should be clear and free of excessive wear. Check the hand rails for looseness. Step lights should be working. If the bus is equipped with a lift, it should be free of leaks and damage. Test that it will filly extends, retract and latch.
The emergency exit does should be unblocked, clearly marked and securely latched from the inside. Emergency warning systems should be in working order.

Front 50

Axle Oil Seal

Back 50

Make sure there are no cracks or distortions in wheel/axle mountings and there ate no sings of leaking lubricants.

Front 51

During the pre-trip inspection, you must show that:
A. The vehicle is safe to drive
B. The vehicle is newer than 4 years old.
C. You are competent and have no alcohol in your system.

Back 51

A. The vehicle is safe to drive.

Front 52

During the pre-trip inspection you will:
A. Sit in a truck and drive around talking about your expertise.
B Take a computerized test about truck driving.
C. Walk around the vehicle and point to or touch each item and explain to the examiner what you are checking and why.

Back 52

C. Walk around the vehicle and point to or touch each item and explain to the examiner what you are checking and why.

Front 53

When checking the hoses you should:
A. look for puddles on the ground.
B. look for dripping fluids on the underside of engine and transmission.
C. inspect hisses for condition leaks.
D. All of the above

Back 53

D. All of the above

Front 54

When checking the oil level you will show the examiner:

A. that the oil level is within safe operating range.

B. add water to the wipers.

C. indicate where the power steering fluid dipstick is located.

Back 54

A. that the oil level is within safe operating range

Front 55

You should never check the reservoir sight glass of the coolant level.

A. True

B. False

Back 55

B. False

Front 56

Check the following belts for snugness, cracks, or frays:

A. Power Steering belt and water pump belt, alternator belt and air compressor belt.

B Air compressor belt and seat belt.

C. power steering belt and driver's belt.

D. None of the above.

Back 56

A. Power Steering belt and water pump belt, alternator belt and air compressor belt.

Front 57

To check the clutch/gearshift you should:

A. Depress clutch.

B. Place gearshift lever in neutral (or park for automatic transmissions).

C. Start engine, then release clutch slowly.

D. All of the above.

Back 57

D. All of the above.

Front 58

You must check to make sure that the oil pressure gauge is working

A. True

B. False

Back 58

A True

Front 59

When checking the oil pressure gauge you should make sure that:

A. the gauge shows decreasing oil pressure.

B. Shows increasing or nirmal oil pressure or that the warning light goes off.

C. Shows that there is enough gas for your rip.

Back 59

B. Shows increasing or normal oil pressure or that the warning light goes off.

Front 60

When Checking the power steering fluid at the pre-trip inspection the level must be above the refill mark to be acceptable.

A. True

B. False

Back 60

A. True

Front 61

The temperature gauge is unimportant at a pre-trip inspection.

A. True

B. False

Back 61

B. False

Front 62

During a pre-trip inspection the mirrors and windshield should be checked for:

A. Proper Steering

B Colorful observation.

C. Cleanliness, bostructions, and damage

Back 62

C. Cleanliness, obstructions and damage

Front 63

Some emergency equipment that should always be carried is:

A. unimportant during the pre-trip inspection.

B. spare electrical fuses, three reflective triangles, a properly charged and rated fire extinguisher.

C. Spare electrical fueses , walkie talkie, a fire extinguisher.

Back 63

B. Spare electrical fuses, three reflective triangles, a properly charged and rated fire extinguisher.

Front 64

To check for steering play in a non-power steering vehicle you should turn the steering wheel back and forth. Play should not exceed:

A. 30 degrees

B. 20 degrees

C. 10 degrees

Back 64

C. 10 degrees

Front 65

Check that wiper arms and blades are secure, damaged, and operate occasionally.

A. True

B. False

Back 65

B. False