Preventive Maintenance
DETROIT DIESEL
equivalent. Lubricate sparingly to avoid getting grease
on the clutch facing.
Open the cover on the side of the clutch housing (8" and
10" diameter clutch) and lubricate the clutch release
sleeve collar through the grease fitting every 8 hours.
On the 11-1/2" diameter clutch, lubricate the collar
through the fitting on the side of the clutch housing
every 8 hours.
Lubricate the clutch drive shaft pilot bearing through the
fitting in the outer end of the drive shaft (8" and 10"
diameter clutch power take-offs) every 50 hours of
operation. One or two strokes with a grease gun should
be sufficient. The clutch drive shaft pilot bearing used
with the 11-1/2" diameter clutch power take-off is
prelubricated and does not require lubrication.
Lubricate the clutch drive shaft roller bearings through
Item 28
the grease fitting in the clutch housing every 50 hours
Prevailing
Recommended Oil
under normal operating conditions (not continuous) and
Ambient
Specification
more often under severe operating conditions or
Temperature
continuous operation.
Above - 10 F
Hydraulic Transmission Fluid, Type C-
2.
Lubricate the clutch release shaft through the fittings at
Below -10 F
Hydraulic Transmission Fluid, Type C-
the rear of the housing every 500 hours of operation.
2Auxiliary preheat required to raise
temperature in the sump to a
Lubricate the clutch levers and links sparingly with
temperature above -10 F.
engine oil every 500 hours of operation. Remove the
0IL RECOMMENDATIONS
inspection hole cover on the clutch housing and
authorized Detroit Diesel Allison Service Outlet as this
lubricate the clutch release levers and pins with a hand
usually requires disassembly. Under severe operating
oiler. To avoid getting oil on the clutch facing, do not
conditions, the oil should be changed more often.
over lubricate the clutch release levers and pins.
The converter oil breather, located on the oil level
Check the clutch facing for wear every 500 hours.
indicator (dipstick), should be cleaned each time the
Adjust the clutch if necessary.
converter oil is changed. This can be accomplished by
allowing the breather to soak -in a solvent, then drying it
Item 29
with compressed air.
Check the oil level in the Torqmatic converter and
supply tank daily. The oil level must be checked while
The full-flow oil filter element should be removed, the
the converter is operating, the engine idling and the oil
shell cleaned and a new element and gasket installed
is up to operating temperature (approximately 200F). If
each time the converter oil is changed.
the converter is equipped with an input disconnect
clutch, the clutch must be engaged.
Lubricate the input clutch release bearing and ball
bearing every 50 hours with an all purpose grease
Check the oil level after running the unit a few minutes.
through the grease fittings provided on the clutch
The oil level should be maintained at the proper level on
housing. This time interval may vary depending upon
the dipstick. If required, add hydraulic transmission fluid
the operating conditions. Over-lubrication will cause
type "C-2" (see chart). Do not overfill the converter as
grease to be thrown on the clutch facing, causing the
too much oil will cause foaming and high oil
clutch to slip.
temperature.
The oil should be changed every 500 hours of operation.
Also, the oil should be changed whenever it shows
traces of dirt or effects of high operating temperature as
evidenced by discoloration or strong odor. If the oil
shows metal contamination, contact an
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