Volvo VNL 780 Operator's Manual page 243

Step 8: Left Saddle Tank and Left Rear Vehicle Wheels 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, clamps or lugs.
•
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 or air), spring hangers, shackles and U-bolts, no
cracks, breaks or shifting.
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.)
•
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.
•
Check spring brakes.
Condition of Visible Components
•
Transmission: not leaking.
•
Drive shaft: looks OK.
•
Exhaust system: secure, not leaking, not touching wires, fuel or air tubing.
OPERATION 233