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[9] REPLACEMENT OIL IN WINCH MOTOR REDUCTION GEAR CASE
The following maintenance should be performed after 500 hours operation, limited to the first
maintenance of a new machine.
• The parts and oil are at high temperature immediately after the engine is stopped, and may
cause serious burns. Wait for the temperature to go down before starting the operation.
• If there is still pressure remaining inside the case, the oil or plug may fly out. Loosen the plug
slowly to release the pressure.
• For details of using oil specified, see “Maintenance 7.1 Use of Fuel, Coolant and Lubricants
According to Ambient Temperature”.
• Use seal tape, etc. at the thread of the filler plug to stop the oil leak and securely tighten the
plug after refilling with the oil.
• Refill capacity: 1.8 liters
• Prepare a container to catch drain oil.
• Prepare a hexagon wrench.
1. Stop the machine on a level and solid ground and raise the
boom to 80 degrees.
2. Set a container to catch the oil under drain plug (P).
3. Using a hexagon wrench and remove plugs (F), (G) and (P),
then drain oil.
4. After draining oil, install drain plug (P) securely.
5. Add the replacement amount of oil through the hole of plug (F).
6. After the oil flows out of the hole, for plug (G), install plugs (G)
and (F) securely.
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