SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-87
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INTRODUCTION
SAFE
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EQUI
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Change the Swing Drive Gearbox Oil
1. Start the engine. See “Starting the Engine” on page 4-
12.
2. In an open area, rotate the upper structure 90° in both
directions five times to warm the oil. In cold weather
conditions below 0°F (-18°C), rotate the upper
structure 90° in both directions 10 times.
NOTE:
This procedure allows the hydraulic oil to
drain easier.
.
3. Shut down the engine. See “Engine Shutdown Procedure” on page 4-16.
4. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
5. Loosen the swing drive gearbox oil fill cap (1).
CAUTION!
• Allow the swing drive gearbox 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.
Failure to follow these cautions could result in
injury.
NOTICE!
Dispose of the used oil in accordance with all applicable environmental regulations. Failure to
follow this notice could result in damage to the environment.
Fig. 5-164
0000490
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