This instruction show you guide on how to remove and install travel motor and final drive assembly for Komatsu PC130 excavator.For more Komatsu case,please refer to:Komatsu trouble repair.
Preparations:
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Remove and Install Front Oil Seal for Komatsu PC130-8 Excavator
Procedures:
Removal
1.Remove sprocket.
For details, see “Removal and installation of sprocket”.
Lower the work equipment completely to the ground and stop the engine. Then loosen the oil filler cap slowly to release the pressure inside the hydraulic tank.
2.Disconnect 4 mounting bolts (1) and remove travel motor cover (2)
3.Disconnect 4 travel motor hoses (2).
4.Remove all travel motor and final mounting bolts (4), except 1.
5.Sling the travel motor and final drive assembly (5) and remove mounting bolt.
6.Lift off travel motor and final drive assembly.
Be extremely careful not to damage the nipple tool surface of the hose mount.
Travel motor and final drive assembly: 150 kg
Installation
Carry out installation in the reverse order to removal.
Thread of travel motor and final drive assembly mounting bolt :
Thread tightener (LT-2)
Travel motor and final drive assembly mounting bolt :
235-285 Nm {23.5-29.5 kgm}
Bleed the air from the travel motor.
For details, see Testing and adjusting,”Bleeding air from travel motor”.
Refilling with oil (hydraulic tank)
Add oil through the oil filler to the specified level.
Run the engine to circulate the oil through the system. Then check the oil level again.