Difference between revisions of "Semi-trailer truck pre-trip inspection"

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:#[[#Trailer rear|Trailer rear]]
 
:#[[#Trailer rear|Trailer rear]]
 
:#[[#Inside the cab|Inside the cab]], including [[#Air brake check|Air brake check]], [[#Parking brake check|Parking brake check]], [[#Service brake check|Service brake check]]
 
:#[[#Inside the cab|Inside the cab]], including [[#Air brake check|Air brake check]], [[#Parking brake check|Parking brake check]], [[#Service brake check|Service brake check]]
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−
==Coupling system==
 
−
 
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===Kingpin and jaws===
 
−
 
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===Trailer apron===
 
−
 
−
===Rear tractor lights/reflectors===
 
−
 
−
===Fifth wheel skid plate===
 
−
 
−
===Fifth wheel platform===
 
−
 
−
===Sliding locking system===
 
−
 
−
===Electrical line coupling===
 
−
 
−
===Air line coupling===
 
−
 
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==Inside the cab==
 
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===Emergency equipment===
 
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===Safety belt===
 
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===Safe start engine===
 
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===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:
 
−
:#[[#Air brake check|Air brake check]]
 
−
:#[[#Parking brake check|Parking brake check]]
 
−
:#[[#Service brake check|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===
 
−
===Tractor parking brake check===
 
−
===Trailer parking brake check===
 
−
 
−
==Service brake check==
 
−
===Preparation===
 
−
===Execution===
 
  
 
==Front of truck==
 
==Front of truck==
 
===Front lights===
 
===Front lights===
 +
:The headlights, turn signals, and clearance lights:
 +
:#([[#General|Confirm general requirements]].
 +
:#Are clean.
 +
:#Are the proper color.
 +
 
===Front leaks===
 
===Front leaks===
  
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===Drive shaft===
 
===Drive shaft===
 
===Frame===
 
===Frame===
 +
 +
==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===
  
 
==Trailer front and sides==
 
==Trailer front and sides==
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===Trailer doors===
 
===Trailer doors===
 
===Door tie back chain===
 
===Door tie back chain===
 +
 +
==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:
 +
:#[[#Air brake check|Air brake check]]
 +
:#[[#Parking brake check|Parking brake check]]
 +
:#[[#Service brake check|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===
 +
===Tractor parking brake check===
 +
===Trailer parking brake check===
 +
 +
==Service brake check==
 +
===Preparation===
 +
===Execution===
  
 
==Checklist items==
 
==Checklist items==

Revision as of 22:09, 20 July 2021

Any semi-trailer truck pre-trip inspection should be based on the CDL Vehicle Inspection Test‎‎.


Contents

Versions

According to the 11.6.1 section of the CDL Vehicle Inspection Test‎‎, the tested applicant is "required to perform one of the four versions of a Vehicle inspection in the vehicle."

All versions include:

  1. an engine start,
  2. an in-cab inspection,
  3. an inspection of the coupling system,
  4. an inspection of the entire vehicle or only a portion of the vehicle.

Version A

  1. Front of truck
  2. Engine compartment
  3. Steering components
  4. Of one side of the steering axle:
  5. Coupling system
  6. Inside the cab, including Air brake check, Parking brake check, Service brake check

Version B

  1. Driver's door/fuel area
  2. Behind the cab
  3. Of one side of any tractor tandem axles:
  4. Coupling system
  5. Inside the cab, including Air brake check, Parking brake check, Service brake check

Version C

  1. Coupling system
  2. Trailer front and sides
  3. Of one side of any trailer tandem axles:
  4. Trailer rear
  5. Inside the cab, including Air brake check, Parking brake check, Service brake check

Full version

An inspection of the entire vehicle may consist of:
  1. Front of truck
  2. Engine compartment
  3. Steering components
  4. Of one side of any axle:
  5. Driver's door/fuel area
  6. Behind the cab
  7. Coupling system
  8. Trailer front and sides
  9. Trailer rear
  10. Inside the cab, including Air brake check, Parking brake check, Service brake check

Front of truck

Front lights

The headlights, turn signals, and clearance lights:
  1. (Confirm general requirements.
  2. Are clean.
  3. Are the proper color.

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

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

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

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

Tractor parking brake check

Trailer parking brake check

Service brake check

Preparation

Execution

Checklist items

General

Any inspected item must be not:
  • Missing, broken, damaged, cracked
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