Change Oil In Swing Machinery Case - Komatsu ecot3 Operation And Maintenance Manual

MAINTENANCE PROCEDURE

CHANGE OIL IN SWING MACHINERY CASE

Parts and oil are at high temperature immediately after the engine is stopped and may cause serious burns. Wait for the oil
temperature to go down before performing this operation.
Refill capacity
PC200: 7.1 liters (1.88 US gal)
PC220: 8.2 liters (2.17 US gal)
1. Remove cover (A) of the inspection hole.
2. Set a container under drain valve (P) under the machine body
to catch the oil.
3. Loosen drain valve (P) under the body, drain the oil, then
tighten the drain valve again.
REMARK
If the oil forms thin threads, there is no problem in stopping the
draining operation.
In low temperatures, swing the work equipment to raise the oil
temperature slightly before starting the operation to drain the oil.
However, never swing the work equipment during the draining
operation. This will cause breakage of the swing machinery.
4. Remove the cap of oil filler (F), then add the replacement
amount of oil through oil filler (F).
5. Check the oil level. For details, see "CHECK OIL LEVEL IN
SWING MACHINERY CASE, ADD OIL (PAGE 4-65)".
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WARNING
MAINTENANCE