Semi-trailer truck pre-trip inspection

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Revision as of 16:53, 18 July 2021 by Gary (talk | contribs) (Parking brake check)
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Any semi-trailer truck pre-trip inspection should be based on the CDL Vehicle Inspection Test‎‎.


Contents

Selective part

Form A

Form B

Form C

Coupling system

Kingpin and jaws

Trailer apron

Rear tractor lights/reflectors

Fifth wheel skid plate

Fifth wheel platform

Sliding locking system

Electrical line coupling

Air line coupling

Inside the cab

Emergency equipment

Safety belt

Safe start engine

Mirrors

Windshield

Windshield wipers

Horns

Oil pressure gauge

Ammeter/voltmeter

Temperature gauge

Air pressure gauge

DEF level indicator

Light indicators

Cab and windshield fans

Brake check series

The brake check series consists of three different checks:
  1. Air brake check
  2. Parking brake check
  3. Service brake check

Air brake check

Failure to perform all three components of the air brake check correctly will result in an automatic failure of thee vehicle inspection test. If you realize that you have missed something or did something incorrectly during your air brake check, you may start over.

Air brake check preparation

Leak down test

Low air warning device test

Tractor protection valve test

Parking brake check

Parking brake check preparation

Service brake check

Front of truck

Front lights

Front leaks

Engine compartment

DPF

Engine hoses

Coolant level

Water pump

Oil dipstick

Alternator

Air compressor

Steering components

Power steering pump

Power steering fluid reservoir

Steering gear box

Steering linkage

Suspension components

Spring mounts

Spring leaves

U-bolts

Shock absorber

Brake components

Air hoses

Brake chamber

Slack adjuster/push rod

Brake drum

Brake linings

Tires

Tire surfaces

Tread depth

Air pressure

Valve stem/cap

Wheels

Rims

Budd spacing

Lug nuts

Hub seal

Driver's door/fuel area

Mirror brackets

Cab doors

DEF tank

Fuel tank

Behind the cab

Catwalk and steps

Exhaust system

Drive shaft

Frame

Trailer front and sides

Trailer header board

DOT reflective tape

Landing gear

Trailer side lights

Frame and tandem release

Splash guards

Door tie back hook

Trailer rear

Trailer rear lights

Trailer doors

Door tie back chain