250 HOUR LUBRICATION AND MAINTENANCE CHECKS (Continued)
3. HYDRAULIC PUMP DRIVESHAFT & U-JOINTS -
Add one or two applications of grease to each
grease fitting. Check that each bearing of the
cross & bearing assembly is receiving grease.
Lube Key “D”.
4. COOLING SYSTEM -
a. Check cooling system for proper coolant mix-
ture. Add coolant mixture as required.
b. COOLANT FILTERS - Change coolant filters.
Refer to engine manufacturer’s maintenance
manual for coolant filter replacement instruc-
tions and proper coolant mixture instructions.
5. REAR WHEEL MOUNTING - Using a mirror on a
long rod and a flashlight, inspect where possible,
all inner and outer wheel mounting nuts/studs for
any evidence of looseness, damage, or missing
hardware.
If wheel mounting nuts/studs must be secured or
replaced, the outer wheel must be removed for
access. Refer to Section “G”, for these proce-
dures.
6. REAR AXLE HOUSING - Check the rear axle
housing for fluid leaks by removing the two drain
plugs on the bottom of the axle housing. If fluid is
present, the cause must be found and corrected
before releasing truck to operation.
7. STEERING LINKAGE - Check torque on pin re-
taining nuts (steering linkage), 525 ft.lbs. (712
N.m). Check torque on tie rod retaining cap-
screws, 310 ft.lbs. (420 N.m).
8. MAGNETIC PLUG - Remove magnetic plug from
front wheel covers and inspect for debris. Clean
the plug and perform any necessary repairs.
* These checks are required
only after the
first 250
hours of operation
(such as: the commissioning
of a new truck, or after a new or rebuilt component
installation), check:
*9. HYDRAULIC SYSTEM FILTERS -
Replace filter elements only after the initial 250
hours of operation; then at each 500 hours of
operation thereafter.
Check oil level. Add oil as necessary.
Lube Key “B”.
*10. MOTORIZED WHEEL GEAR CASE - Refer to the
G.E. planned maintenance manual and specific
motorized wheel shop manual.
COMMENTS
√’d
INITIALS
P02034 Lubrication and Service P2-9
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