17.
Close the dirt cover (1).
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE
WARNING
• Immediately
after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Wait for the temperature to go down, and then start the work.
• If there is remaining pressure inside the case, the oil or plug may jump out.
Loosen the plug slowly to release the pressure.
• Do not stand in front of the plug when you loosen the plug.
Final drive case (each of right and left) refill capacity: 0.7 ℓ {0.18 U.S.Gal} 
Items to be prepared
• Container to catch drained oil
• Hexagonal wrench
1.
Bring plug (P) to the lowest position.
2.
Place a container under plug (P) to receive the drained oil.
3.
By using a hexagonal wrench, remove plugs (P), (G), and
(F) , and drain the oil.
4.
Tighten plug (P).
5.
Add the refill capacity of oil through plug (F) hole.
6.
When oil begins to overflow from plug (G) hole, install
plugs (G) and (F).
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE
Special tools are necessary for inspection and maintenance. Ask your Komatsu distributor to perform this work.
MAINTENANCE MAINTENANCE PROCEDURE
4-87
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