Mack TerraPro LEU 2010, Operator'S Handbook Manual

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82 PRE-TRIP INSPECTION AND DAILY
MAINTENANCE
• Carrier or rack not damaged.
• Spare wheel securely mounted in rack.
• Tire and wheel condition adequate for a spare: proper size, properly inflated.
Lights and Reflectors
• Trailer side clearance lights: clean, operating and proper color.
• Reflectors clean and proper color.
Frame and Body
• Frame and crossmembers not bent, cracked, damaged or missing.
• Proper placarding.
• Body parts not damaged or missing.
Step 11: Right Rear Trailer Wheel
Dual Wheels, One or Two Axles
• Check condition of wheels and rims. Especially look for cracks, missing
lockrings, bent or broken spacers, studs, missing clamps or lug nuts.
• Check condition of tires: properly inflated, no serious cuts, bulges, tread
wear or any signs of misalignment; valve stems not touching wheels, rims or
brake drums; valve caps in place and no objects stuck between the wheels.
• Check that both tires are of same type, for example, not mixed radial and
bias type and that their circumferences are matched.
• Check wheel bearing and hub: no obvious leaking on outside or inside wheel.
Suspension
• Condition of springs (leaf or air), spring hangers, shackles and U-bolts.
• Axle alignment.
• Condition of torque rod arms.
• If equipped with sliding axles, check position and alignment. Look for
damaged, worn or missing parts, all locks present, fully in place and locked.
• Flexible air tubing not cracked, cut, crimped or otherwise damaged. Secured
against tangling, dragging and chafing.
Brakes