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SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-91
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INTRODUCTION
SAFE
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MACHIN
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CONTROLS
MACHINE
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INTENANCE
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EQUI
PMENT
Check and Add Final Drive Oil
1. Position the machine on a flat, level surface so the final drive
oil level line (2) is parallel with the ground.
2. Prepare the machine for service. See “Maintenance Safety”
3. Remove the final drive oil level check plug (3) to see if the
oil level is within 0.4 in. (10 mm) of the bottom of the oil
level check hole. See “Location, Capacity, and Type” on
page 5-12 for final drive oil capacity.
4. If the oil level is low, add oil through the oil filler hole (1)
until the level is within 0.4 in. (10 mm) of the oil level check
hole.
5. Replace the O-ring on each plug.
6. Install and tighten the plugs.
7. Check for external leaks.
CAUTION!
• Allow the final drive to cool before servicing. Hot oil may cause burns or other serious
injury.
• Wear safety goggles, gloves, and other personal protective equipment (PPE) to prevent
serious injury.
• The final drive oil may be under pressure. Remove the plugs slowly to prevent injury.
Failure to follow these precautions could result in injury.
CAUTION!
Overfilling the final drive case may damage the
case seals. Failure to follow this caution could
result in machine damage and improper
machine operation.
CAUTION!
If oil leaks are found during the oil level inspection, stop the inspection and locate and repair
the cause of the leaks. Failure to follow this caution could result in machine damage and
improper machine operation.
Fig. 5-171
0000167
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