Pre-Trip Inspection Class B with Air Brakes Checklist

Clearance Lights

• securely mounted

• clean

• not broken or cracked

• amber in color

Headlights

• securely mounted

• Clear and clean

• not broken or cracked

Under Engine

• ensure no leaks or oil puddles

Oil Level

• Locate the oil dipstick

• make sure level is between add and full

Coolant Level

• locate coolant reservoir

• ensure level is sufficient for operation, between hot and cold mark

• not leaking

• if no reservoir, verbally describe how to remove radiator cap and check coolant

Power Steering

• ensure level is between add and full

• must say if it is gear or belt driven

• working properly

• not leaking

• securely mounted

• not damaged

Water Pump

• securely mounted, bolts tight

• not leaking

• belt driven

• belt, not cracked or frayed, and tension is between ½” and ¾”

Alternator

• securely mounted, bolts tight

• wire secure into back of alternator

• belt driven

• belt, not cracked or frayed, tension is between ½” and ¾”

Air Compressor

• secure to engine, bolts tight

• hoses secure, not leaking

• not damaged

• working properly

• must say if it is gear or belt driven

• if belt driven, belt not cracked or frayed, tension is between ½” and ¾”

Leaks

• check under vehicle for oil puddles

• check engine for leaks

Hoses

• check hoses for splits and cuts

• ensure all clamps are tight

• check all hoses for leaks

• make sure to check both hoses on both sides of engine for leaks

Steering Box

• secure, bolts tight

• not leaking

Steering Box Hoses

• not cut, pinched or leaking

• fittings are secure not cracked or broken

Steering Linkage

• not bent, bolts tight, no cracks, cotter pins in place

• sockets are not worn or loose

• must check from steering wheel to steering box and from steering box to axle.

Springs

• none broken

• all in alignment

• not shifted

U-bolts

• nuts tight

• not broke or rusted

• not shifted

Spring Mounts

• check front and rear mount for cracks, rust

• check for tight or missing bolts

• make sure bushings are not torn or missing

Shock Absorber

• straight

• not cracked, bend, or broke

• bolts tight

• not leaking

Brake Hose

• not kinked, cut, swollen or leaking

Brake Hose Fittings

• fittings secure

• not bent, broke or leaking

Brake Chamber

• securely mounted, bolts tight

• not cracked dented, rusted or leaking

• clamp is secure, tight and in place

Slack Adjuster

• pins in place holding slack adjuster to push rod

• straight, not broken

Push Rod

• no more than 1”adjustment (movement) on the push rod

• not bent or broken

Brake Drum

• securely mounted

• no holes, cracks or dents

• smooth surface

• no signs of grease or oil

Brake Linings

• shoes are sufficient, more than ¼” pad

• no cracks, no chipped pads

• no fluid, grease or oil

Tire

• 4/32” tread depth

• no cuts or bubbles on side walls

• check top of tire for even wear and flat spo

• check pressure with gauge

• check valve stem is not cracked, broke, leaking or twisted and secured with cap

Wheel Rim

• no cracks

• no rust trails

• no aftermarket welds

Lug Nuts

• none missing

• not loose

• no signs of rust trails

• no cracks or distortion from lug bolt holes

Wheel Seal

• not leaking

• no loose or missing bolts

• proper fluid level (if sight glass)

Turn Signal Lights

• securely mounted

• amber in color

• clean

• not cracked or broken

Door

• door hinges are secure, bolts tight

• handle works, no damage to side

• seal is intact and not torn

• opens and closes properly

Mirror

• securely mounted, brackets not damages, bolts in place

• mirror is not broke and clean

Steps

• securely mounted, bolts

• not cracked or broken

• no fluid or debris on steps

Fuel Tank

• straps are secure

• cap is on tight

• must check tank & cap for leaking

Diesel Exhaust Fuel (DEF) Tank

• straps are secure

• cap is on tight

• must check tank & cap for leaking

Exhaust System

• no signs of soot (leaking)

• securely mounted

• all clamps are tight

• must check hole exhaust system from turbo to top of stack

Department of Transportation (DOT) Reflective Tape

• securely mounted

• not peeling or cracked

Frame

• no cracks

• bolts are all tight

• must also check cross members for same

Drive Shaft

• straight, no cracks, bolts are tight

• must check u-joint bolts and u-joint is free of foreign objects

Springs

• none broken

• all in alignment

• not shifted

U-bolts

• nuts tight

• not broke or rusted

• not shifted

Spring Mounts

• check front and rear mount for crack

• check for tight or missing bolts

• make sure bushings are not torn or missing

Torque Arm

• securely mounted

• not cracked

• straight

• bushing not torn or missing

Brake Hose

• not kinked, cut, swollen

• not leaking

Brake Hose Fitting

• fitting is secure

• not bent, broke

• not leaking

Brake Chamber

• securely mounted, bolts tight

• not cracked or rusted or leaking

• clamp is secure, tight and in place

Slack Adjuster

• pins in place holding slack adjuster to push rod

• straight, not broken

Push Rod

• no more than 1” adjustment (movement) on the push rod with brakes released (double chamber)

• not bent or broken

Brake Drum

• securely mounted

• no holes, cracks, or dents

• smooth surface

• no fluid, grease or oil

Brake Linings

• shoes are sufficient, more than ¼” pad

• no cracked or chipped pads

• no fluid, grease or oil

Tire

• 2/32” tread depth

• no cuts or bubbles on side walls

• check top of tire for even wear and flat spots

• check pressure with a gauge

• check valve stem is not cracked, secure, leaking or twisted and cap is in place

Wheel Rim

• no cracks

• no rust trails

• no aftermarket welds

Lug Nuts

• none missing, not loose, no signs of rust trails

• no cracks or distortion from lug bolt holes

Axle Seal

• not leaking

• no loose or missing bolts

• proper fluid level (if sight glass)

Splash Guards (Mud Flaps)

• securely mounted

• mud flaps not torn