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Komatsu PC450-8 User Manual

Komatsu PC450-8
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MAINTENANCE MAINTENANCE PROCEDURE
4-75
EVERY 2000 HOURS MAINTENANCE 4
Maintenance for every 50, 250, 500 and 1000 hours service should be carried out at the same time.
CHANGE OIL IN FINAL DRIVE CASE 4
WARNING
q The parts and oil are at high temperature immediately after the engine is stopped, and may cause seri-
ous burns. Wait for the temperature to go down before starting the operation.
q If there is still pressure remaining inside the case, the oil or plug may fly out.
Loosen the plug slowly to release the pressure.
q Refill capacity: each 10.5 liters
q Prepare a handle.
1. Set the TOP mark at the top, with the TOP mark and plug
(P) perpendicular to the ground surface.
2. Set a container under plug (P) to catch the oil.
3. Remove plugs (P) and (F) with the handle and drain the oil.
REMARK
Check the O-rings in the plugs for damage. If necessary,
replace with new ones.
4. Tighten plug (P).
5. Add oil through the hole of plug (F).
6. When oil begins to overflow from the plug (F) hole, install
plug (F).
Tightening torque of plugs (P) and (F):
68.6 ± 9.8 Nm (7 ± 1 kgm)
REMARK
There are two plugs (F). Add oil through the one easier to fill oil
and through which no internal gears are to be seen.

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Komatsu PC450-8 Specifications

General IconGeneral
BrandKomatsu
ModelPC450-8
CategoryExcavators
LanguageEnglish

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