Volvo D12, Operator'S Manual

Page: 85 / 214

Severe Service Schedule for VHD-Series 81
62 Check the engine air filter restriction
gauge. Change the filter if necessary.
(See page 119.)
63 Check engine mounts.
64 Check crankcase breather or tube. (See
page 118.)
Road Test
65 Operate the clutch several times.
Check for smooth engagement and op-
eration of clutch brake.
66 While driving, apply brakes and check
for even stopping and quick release.
67 Check the ABS function.
68 Check engine controls and perfor-
mance.
69 Shifting through the gears, check the
transmission for smoothness of opera-
tion.
70 Listen for unusual noises. Make sure
the vehicle is riding smoothly and is
free from roughness or excess vibra-
tion.
71 Check for excessive free play in the
steering wheel. Turning operation
should be smooth and free of rough
spots. Check for vibration in the steer-
ing wheel or column.
72 Check exhaust brake and/or engine
brake operation. Brake should
engage/disengage as the pedal is ap-
plied/released
73 If equipped, check the cruise control
for proper function.
After Road Test
74 Check all major components for fluid
leaks.
75 Install new maintenance sticker (if ap-
plicable).