
SEBU8213-04 111
Maintenance Section
Final Drive Oil Sample - Obtain
1. Position the fin
al drive oil level mark at a horizontal
position in order to check the oil level, as shown.
2. Remove the oil
filler plug in order to check the oil
level.
3. The oil shoul
d be level with the bottom of the plug
threads.
4. Clean the pl
ug and install the plug. Tighten
the oil fillerplugtoatorqueof285±30N·m
(210±20lbft).
5. Repeat the procedure for the other final drive.
i02807245
Final Dri
ve Oil Sample - Obtain
SMCS Code: 3258-008; 4050-008; 7542-008
g01260346
Illustration 152
Remove the oil filler plug for the final drive. Obtain
asampleofthefinal drive oil by pulling a sample
through the filler plug opening.
When the oil sample is completed, clean the plug and
install the plug. Tighten the oil filler plug to a torque of
285 ± 30 N·m (210 ± 20 lb ft).
Refer to Special Publication, SEBU6250, “Caterpillar
Machine Fluids Recommendations”, “S·O·S Oil
Analysis” for information that pertains to obtaining
asampleofthefinal drive oil. Refer to Special
Publication, PEHP6001, “How To Take A Good Oil
Sample” for more information about obtaining a
sample of the final drive oil.
i01942475
Free Sp ool Drag - Adjust
SMCS Code: 5163-025
Adjust the fre
e spool drag to the operator's
preference. For the correct procedure to adjust the
free spool drag, refer to Specifications, Systems
Operation, T
esting and Adjusting, Disassembly
and Assembly, “Free Spool - Test” for the winch
hydrostatic systems.
i02798008
Front Idler Position -
Check/Adjust
SMCS Code: 4159-036
SystemOne Undercarriage
The following check is for Caterpillar SystemOne
Undercarriages that have the center tread idler.
Check
The SystemOne undercarriage requires shim
adjustment when the wear on the link and the roller
system is at 25%, 50%, and 75%. Move a 4.5 mm
(0.180 inch) shim from the bottom of the idler bearing
block to the top.
Check the shim adjustment after moving the 4.5 mm
(0.180 inch) shim.
g01263398
Illustration 153
Some com ponents are r emov ed for clarity.