Volvo VAH 2013, Руководство оператора, Страница: 62 / 175

58 Operator's Manual Vehicle Maintenance VN,
VHD
• Frame and cross members: no bends, cracks or breaks.
DPF/SCR check hoses and fittings for leaks.
• Air tubing and electrical wiring: secured against snagging and chafing.
Step 5: Right Rear Vehicle Area
Dual Wheels, One or Two Axles
• Check condition of wheels and rims. Especially look for cracks, missing lock
rings, 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
• Check condition of springs (leaf), spring hangers, shackles and U-bolts.
• Axle alignment.
Brakes
• Condition of brake drums. With brakes released, look for a noticeable gap
between lining and drum. (This check cannot be made if dust covers are in
place.) For additional information on the disc brake check refer to “Disc Brake
Check”, page 121.
• Condition of brake hoses: check for any chafing.
• Check brake chamber mounting bolts and brackets.
• Check slack adjusters and chamber push rod travel. With brakes applied
or released, look for conspicuously different positions of the slack adjusters
for proper adjustment.
• Check spring brakes.
Step 6: Rear of Vehicle Area
Frame Area
• Frame or cross members not bent, cracked or otherwise damaged or missing.
• Check that air tubing and electrical lines are properly secured to the frame
with no damage or chafing.
Lights and Reflectors
• Tail lights, brake lights and turn signal lights: operating, clean and proper
color.