16.1
Release the parking brake.
16.2
Move the vehicle slightly backward to
ensure that the backup beep is audible.
17. Press the ’Test’ button on the combustible gas
detection system control panel.
The system will illuminate the ’Trace Gas,’
’Significant,’ and all other sensor LEDs, and
sound the piezo buzzer. Watch to see that all
lights illuminate or flash and listen to verify the
buzzer alarm goes off.
If the self-diagnostic test fails, have the gas
detection system repaired before putting the
vehicle into service.
Weekly Post-Trip Inspections
and Maintenance
Front Box Inspection
WARNING
Washer fluids may be flammable and poisonous.
Do not expose washer fluid to an open flame or
any burning material, such as a cigarette. Always
comply with the washer fluid manufacturer’s
recommended safety precautions.
1.
Open the hood.
2.
Check the windshield washer reservoir fluid level.
The reservoir is located near the right-hand
frame rail. See
3.
Inspect water evacuation components.
3.1
Inspect the rain tray installed at the base
of the windshield. Ensure that the seal on
the forward edge of the rain tray is in
good condition.
3.2
Inspect the drain hoses installed on the
rain tray. Both hoses should be securely
attached to the rain tray and direct water
down the aft side of the front fenders.
4.
Inspect the air vent hoses and verify the red
caps are in place.
5.
Inspect the steering components.
5.1
Inspect tie rods, steering arms, and the
drag link for signs of looseness (i.e., shiny
spots or rust tracks).
5.2
Check the steering gear mounting bolts for
signs of looseness.
5.3
Inspect the steering intermediate shaft and
end yokes for excessive looseness or
other damage.
6.
Close the hood.
Monthly Post-Trip Inspections
and Maintenance
Brake Component Inspection
Walk around the vehicle and inspect brake system
components for visible damage.
NOTE: Some vehicles may be equipped with a
brake check valve on the dash, which allows the
driver to set the service brakes and exit the
vehicle to check the brake system for leaks. The
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1
2
1.
Washer Fluid Filler Cap
2.
Battery Cable Access (BCA) Box
Fig. 18.8, Windshield Washer Reservoir
Pre- and Post-Trip Inspections and Maintenance
18.8
Summary of Contents for PX113064S T 2016
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