D
Group 177 Preventive Maintenance
W7001271
13
Check Oil Level in Hubs for Oil Lubricated
Wheel Bearings
Note: For further information refer to “Hubs” page 21.
Front Wheel Hubs
DANGER
Failure to keep wheel bearings properly adjusted can
result in accelerated tire wear, poor handling, and
in extreme cases, wheel separation from the hub or
from the spindle resulting in loss of vehicle control and
serious personal injury or death.
The front wheel hubs are lubricated with several types
of oil. The suggested types are SAE 30 or 15W40. It is
acceptable to use either synthetic or petroleum based oils
(Synthetic oils are not recommended for Volvo Axles).
Axle oils API GL-5 and SAE 75W-90 are acceptable as
well.
Hubs are generally oil lubricated. There are no set oil
change intervals. Change oil when the hub is removed for
repairs or other routine maintenance.
14
Check Oil Level in Cab Tilt Pump
This option not available on VN/VHD and VT vehicles.
W4002697
15
Check Oil Level in Clutch Fluid Reservoir
Note: For further information refer to “Clutch” page 15.
Check fluid level in the clutch fluid reservoir. Refer to
lubrication chart on page 31.
Replace clutch fluid every year to prevent corrosion
problems in the system due to trapped moisture.
49
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