Komatsu Galeo HD405-7R, Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE
CHANGE OIL IN TRANSMISSION CASE, BRAKE SUB TANK, WASH STRAINER
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause burns. Wait for the
temperature to go down before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
Refill capacity: 90 liters (23.78 US gal)
Change the oil every 1000 hours or every 10,000 km, whichever comes sooner.
Carry out the following items at the same time in order to drain oil completely.
CHANGE OIL IN TRANSMISSION CASE, BRAKE SUB TANK, WASH STRAINER (PAGE 4-70)
REPLACE TRANSMISSION AND REAR BRAKE COOLING OIL FILTER ELEMENT (PAGE 4-73)
REPLACE BRAKE OIL FILTER ELEMENT (PAGE 4-74)
1. Stop the engine.
2. Set a container to catch the oil directly under the drain plug of
the transmission case.
3. Remove drain plug (1).
4. Loosen drain valve (2) and drain the oil, then tighten the plug
again.
5. Install drain plug (1).
6. Set a container to catch the oil directly under the drain plug of
the brake sub tank.
7. Remove drain plug (3).
8. Loosen drain valve (4) and drain the oil. After draining the oil, tighten drain valve (4).
9. Install drain plug (3).
10. Remove bolts (5), then remove the cover and take out strainer
(6).
11. Remove any dirt stuck to the strainer, then wash in clean diesel
fuel or flushing oil. If the strainer is damaged, replace it.
12. Install strainer (6).
13. Install the cover with bolts (5).
14. Remove plug (7). If this plug is removed, it is easier to drain the
oil from the brake chamber.
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