OPERATION
5-2 / Pre-Trip Inspections
© 2018 Pierce Manufacturing Inc. All Rights Reserved.
5-1.3
Things to Look For During Inspections
Things to Look For During Inspections
Tires
Look for tire problems. It is dangerous to drive with bad tires. Look for problems such as:
•
Too much or too little air pressure.
•
Bad wear. You need at least 4/32 inch tread depth in every major groove on front wheels. You need 2/32 inch
on other wheels. No fabric should show through the tread or sidewall.
•
Cuts or other damage.
•
Dual tires that come in contact with each other or parts of the vehicle.
•
Mismatched sizes.
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Radial and bias-ply tires used together.
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Cut or cracked valve stems.
•
Re-grooved, recapped, or retreaded tires on the front wheels.
Wheels and Rims
Bad wheels or rims could cause an accident. A damaged rim can cause the tire to lose pressure or come off.
Observe the following warning signs:
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Rust around wheel nuts may mean the nuts are loose – check tightness.
•
Missing clamps, spacers, studs, and lugs mean danger.
•
Mismatched, bent, or cracked lock rings are dangerous.
•
Wheels or rims that have had welding repairs are not safe.
•
After a tire has been changed, stop a short while later and recheck tightness of nuts.
Brake Drums or Shoes
Inspect brakes for the following:
•
Cracked drums or rotors.
•
Shoes or pads contaminated with oil, grease, or brake fluid.
•
Shoes or pads worn dangerously thin, missing, or broken.
Steering System
Inspect the steering system for the following:
•
Missing nuts, bolts, cotter keys, or other parts.
•
Bent, loose, or broken parts, such as steering column, steering gear box, pitman arm, toe links, or steering
shafts.
•
Check power steering hoses, pump, reservoir, cooler, and fittings for leaks.
•
Steering wheel play of more than 10 degrees (approximately 2 inches movement at the rim of a 20-inch
steering wheel) can make it hard to steer.
PRE-TRIP AND DAILY VEHICLE INSPECTIONS
PERFORM DAILY AT THE BEGINNING OF EVERY WORK PERIOD
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Страница 18: ...FOREWORD 1 6 To the Owner and Operator 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 30: ...SAFETY 2 12 Safety and Responsibility 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 62: ...GENERAL 4 20 Controls Indicators and Features 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 122: ...OPERATION 5 60 Driving the Vehicle 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 180: ...LUBRICATION AND MAINTENANCE INTERVALS 7 8 Scheduled Inspections 2018 Pierce Manufacturing Inc All Rights Reserved ...
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