Periodic Inspections and
Maintenance, General
Information
It is the driver’s responsibility to perform an
inspection, and ensure the complete road-worthiness
of a vehicle, before placing it into service.
Commercial vehicles may be subject to inspection by
authorized inspectors, and an unsafe vehicle can be
taken "out of service" until the driver or owner repairs
it.
Use the following checklists to ensure that vehicle
components are in good working condition before
each trip. Careful inspections eliminate stops later to
fix overlooked or forgotten items.
The checklists in this chapter can be copied and kept
as a record that the procedures have been
completed. For details on how to inspect each item
on the checklists, see the corresponding procedure
(step number) in
Chapter 22.
Checklists
NOTE: Checklists in this chapter correspond
with the procedures and steps in
Chapter 22,
Pre- and Post-Trip Inspections and
Maintenance. Your vehicle may not be equipped
with all components listed below.
Daily Pretrip Inspection Checklists
See the following tables for a list of procedures that
should be performed daily, before the first trip. Place
a check mark in the complete (Comp.) column to
indicate a procedure has been performed.
Inspector Date
Suspension and Slack Adjusters Comp.
1 Suspension components
2 Slack adjusters
Wheels and Tires Comp.
1 Wheel covers
2 Tire condition
3 Tire inflation
4 Rims and wheel components
5 Wheel bearing oil seals and lubrication levels
6 Mud Flaps
Saddle Tank Areas Comp.
1
Drain air reservoirs (without automatic drain
valves)
2 Fuel tank(s) secure
3 Frame rails and crossmembers
4 Visible exhaust components
Engine Compartment Comp.
1 Leakage under engine
2 Air intake system
3 Engine oil level
4 Power steering reservoir level
5 Engine coolant level
6 Visible engine wiring
7 Frame rails
Cab Comp.
1
Reset dash-mounted air intake restriction
indicator (if equipped)
2 Air pressure warning systems
3 Air governor cut-in and cut-out pressures
4 Air pressure build-up time
5 Air system leakage
6 Air pressure reserve
7 Mirrors, windows, windshield
8 Horn, windshield wipers, windshield washers
9 Heater and defroster
10 Interior lights
11 Exterior lights
12 Seat belts and tether belts
13 Fuel level
14 Mirror adjustment
15 Service brakes
16 Backup alarm
Weekly Post-trip Inspection Checklist
See the following table for procedures that should be
performed weekly, post-trip. Place a check mark in
the complete (Comp.) column to indicate a
procedure has been performed.
Inspector Date
Engine Compartment Comp.
1 Windshield washer reservoir level
2 Air intake restriction indicator
3 Water evacuation components
4 Automatic transmission fluid level
5 Water in fuel/water separator
Pre- and Post-Trip Checklists
21.1
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