Volvo D12, Operator'S Manual

Page: 94 / 214

90 Heavy-Duty Service Schedule for VHD-Series
In the Shop Yard
22 Check function of pneumatic controls.
23 Check steering column adjustment
function, if equipped.
24 Check horns.
25 Record engine low idle.
26 Check low air warning switches. (See
page 148.)
27 Check manifold dash valve function.
28 Check compressor loading function.
29 Check air brake system for leaks.
30 Check wipers and washer function.
31 Check door switches and controls for
function.
32 Check the radio function.
33 Check all interior lights.
34 Check interior; upholstery and glass.
35 Check safety belts. (See Operator’s
Manual.)
36 Check driver and passenger seats.
37 Open hood, check lock function.
Exterior
38 Inspect steps and grabhandles. Make
sure they are properly fastened and
that there are no signs of breakage.
39 Check pedal carrier play.
40 Check door alignment, weather strip-
ping and mirrors.
41 Check all safety equipment.
42 Check all lamps, lights, wires and
trailer light cord for function.
43 Check trailer air hoses, exhaust stack,
deck plates and air fairings.
44 Check frame and all brackets for loose
bolts and signs of cracks. If necessary,
tighten M14 bolts to a torque of 150 ±
24 ft-lb (200 ± 33 Nm).
45 Check hood condition and its restraints
and splash shields.
46 Check wiper arms and blades.
47 Check clutch slave cylinder for leaks,
wear and adjustment.
48 Check around transmission for signs
of leaks and wear.
49 Check under cab; exhaust flex line,
fluid and electric lines for wear or
leaks. Check cab suspension.
50 Check rear axle for loose bolts and
leaks. Check brackets for shock ab-
sorbers, brake chambers and springs
for loose bolts or cracks. Check spring
U-bolt nut tightening torque. (See
page 155.)