Pump Code Number 76 71 955

Pump Code Number: 7671 955

Code No. 76 71 955:

Absolute cleanliness is essential when working on power steering pumps.





- Pull hook-type snap ring (1) out of groove with a pliers.

- Take off cover (2) and spring (4).





- Pull out face plate (5) from housing (11).





- Push rotor on shaft (13) and lift out snap ring (7).





- Tilt out rotor set (8) and face plate (9).

- Pull out input shaft (13).





- Remove radial oil seal (12) and 0-ring (3 and 6).

- Support rings (3.1 and 6.1) remain in housing.

- Clean all parts throughly.

Assembling:

- Lubricate all parts with hydraulic fluid.





- Pack radial oil seal (12) between sealing lip and dust lip with grease and install seal in housing (11) with a suitable mandrel (sealing lip faces in).

- Guide drive shaft (13) into housing (11).

- Insert dowel pins (10) in housing bores.





- Mount face plate (9) on dowel pins (10) with short side (S) facing valve.

- Groove (A) faces cover.





- Mount cam ring with cast arrow facing cover end (arrow shows turning direction of pump) on dowel pins (10).





- Install rotor with chamfer facing drive end on shaft (13).

- Install snap ring (7) in radial groove of shaft (13).

- Push down on shaft (13) until snap ring (7) rests in opening of rotor.





- Insert wings with polished, rounded outside surfaces facing cam ring.

- Check that wings move easily.





- Insert O-rings (3 and 6).

- Support ring (3.1) is in front of and support ring (6.1) behind O-ring.





- Install face plate (5) on dowel pins (10) with short side (S) facing valve.





- Install spring (4) with large diameter end facing cover.

- Press cover (2) into housing with a hydraulic press far enough, that hook-type snap ring can be installed in groove.

- Check operation of power steering pump after installation.