How to Remove Oil Pressure Pump for Doosan DL250-3 Excavator?

This instruction show you guide on how to remove oil pressure pump for Doosan DL250-3 excavator.

 


 

Related Contents:

Doosan Diagnostic Tool

Doosan DMS-5

Doosan Diagnostic Software

 

How to Remove Oil Pressure Pump

1. Remove bolts (1, Figure 35) on converter bell housing/oil feed housing and remove converter bell housing.



2. Remove bolts (1, Figure 36) on oil feed housing/transmission housing front part with torx screws and bolts (2, Figure 36) on oil pressure pump/transmission housing
front part with cylindrical screws.
NOTE: Separate oil feed housing with oil pressure pump from transmission housing front part.

3. Separate oil pressure pump (1, Figure 37) from oil feed housing.

4. Remove O-ring (1, Figure 38).
Remove cylindrical screws.

NOTE: Check oil gear pump:
In case of wear marks, in the pump housing cover or on the inner and outer rotor, the
complete oil pressure pump is to be replaced.

5. Remove shaft seal (1, Figure 40) from the pump housing.

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