SANY SY500H, Operation And Maintenance Manual

Page: 156 / 196

5-48
MAINTENANCE
SY500H Excavator OMM
0004960
Figure 5-96
2. Remove six fasteners (1) and remove and remove
final drive motor cover (2).
0000802
Figure 5-97
3. Inspect all of the final drive motor mounting fasteners
(3) for rust, damage, or looseness.
4. Replace any damaged or defective fasteners and
tighten any loose fasteners.
NOTE: Use thread lock compound when retightening
loose fasteners and installing new fasteners.
Replace the Final Drive Oil
CAUTION
• Allow the hydraulic system to cool before
servicing. Hot hydraulic oil may cause burns or
other serious injury.
• Residual pressure in the final drive can cause oil
to squirt out or the plug to fly out with extreme
force, which could result in injury. Slowly loosen
the plug to gradually release the pressure.
Failure to follow these precautions could result in
death or serious injury.
0004729
Figure 5-98
1. Position the machine on a firm, level surface, making
sure the oil level line (1) is parallel with the ground.
2. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
3. Remove any dirt and debris from around the plugs.
4. Remove the fill plug (2) slowly to relieve system
pressure.
0004729
Figure 5-99
5. Place an appropriately sized container under the
drain plug (3).
6. Remove the drain plug (3) slowly, taking care not to
stand in front of the drain plug.
7. Allow the oil to drain completely.
NOTICE!
Dispose of drained oil in accordance with all
applicable environmental regulations. Failure to
do so could damage the environment.
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