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Komatsu PC2000-8 - Page 391

Komatsu PC2000-8
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MAINTENANCE MAINTENANCE PROCEDURE
4-73
2. Loosen drain valve (P1) in the oil pan. The oil will go down
to drain valve (P2).
P1: Oil pan drain valve
P2: External takeoff drain valve
3. Open drain valve (P2) slowly through the drain control hole in the engine under cover and drain the oil. When
doing this, be careful not to get oil over yourself.
q When draining the oil, use the drain hose in the toolbox, install it to oil drain valve (2), and be careful not to
let the drained oil spray out when draining it.
(Drain hose part number: 07287-02618)
After draining the oil, close drain valves (P1) and (P2).
q Press drain valves (P1) and (P2), then turn them to open or close them, and carry out the drain operation.
4. If the filter cartridge is removed immediately after the engine is stopped, oil will spill out. Wait for at least 10
minutes after stopping the engine before starting the replacement operation.
5. Using a filter wrench, turn filter cartridge (1) counterclock-
wise to remove it.
6. Clean the filter holder, fill the new filter cartridge with clean oil, coat the thread and packing surface of the new
filter cartridge with clean oil (or coat it thinly with grease), then install it to the filter holder.
Check that there is no old packing stuck to the filter holder. If there is any old packing stuck to the filter, it will cause
leakage of oil.

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