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Komatsu PC490LC User Manual

Komatsu PC490LC
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METHOD FOR CHANGE OIL IN SWING MACHINERY CASE
kk
WARNING
Immediately after the engine is stopped, its parts and oil are still very hot, and may cause burn injury.
Accordingly, wait until they have cooled down before starting the work.
Refill capacity: 20 ℓ
Items to be prepared
Container to receive drained oil
1.
Place a container under drain plug (P) on the underside of the machine to receive the oil.
2.
Loosen drain valve (P) under the machine, drain the oil,
then tighten the drain valve again.
When draining the oil, take hose (2) out of inspection hole
(B), then open the drain valve.
3.
Remove dipstick (G) and air bleeding plug (1).
4.
Add oil through the pipe for dipstick (G) by the refill capaci-
ty.
5.
Check the oil level. For the procedure, see “METHOD FOR
CHECKING OIL LEVEL IN SWING MACHINERY CASE,
ADDING OIL (4-57)”.
6.
Install air bleeding plug (1).
METHOD FOR CHECKING AND ADDING OIL IN DAMPER CASE
kk
WARNING
Immediately after the engine is stopped, its parts and oil are still very hot, and may cause burn injury.
Accordingly, wait until they have cooled down before starting the work.
NOTICE
Park the machine on flat ground and stop the engine. When more than 30 minutes elapse after stopping
the engine, check the oil level.
1.
Open the door on the left side of the machine.
2.
Remove plug (P).
If the oil is insufficient, add it according to the following pro-
cedure.
MAINTENANCE PROCEDURE MAINTENANCE
4-60

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Komatsu PC490LC Specifications

General IconGeneral
BrandKomatsu
ModelPC490LC
CategoryExcavators
LanguageEnglish

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