OVERHAULING OIL PUMP - Oil Pump Removed -
Unscrew connector (1).
Remove spring (2) and piston (3).
Important: Never change relaxed spring length
- see note¹).
Remove oil pump cover (4).
Take off connecting plate (5).
Connecting plate (5) can be service installed.


Siehe auch ¹) See Specifications
52511123 - click to zoom
 
Check play¹) between outer rotor and pump
body.
If play exceeds specifications, replace pump body.


Siehe auch ¹) See Specifications
63011234 - click to zoom
 
Check gap¹) between inner and outer rotors.
If gap exceeds specifications, replace inner and
outer rotors.


Siehe auch ¹9 See Specifications
63011235 - click to zoom
 
Check play¹9 between rotóe sealing surface and
pump body.
If play exceeds specifications, replace pump body.


Siehe auch ¹) See Specifications
63011236 - click to zoom
 
Pull off (don´t press off) output flange with
Special Tool 00 8 500 from Kukko.

63011237 - click to zoom
 
Installation: Note flange distance to inner rotor:
A = 44.3 ± 0.1 mm (1.744 ± 0.004´´).

63011238 - click to zoom
 
Important: Clean vent bore thoroughly.
If oil pump does not have an oil bore, this bore
can be drilled subsequently.

63011239 - click to zoom
 
Venting of pressure chamber (D) at the beginning
of delivery is accomplished by way of bore (E)
and is regulated by the pressure relief piston.
This will reduce the time for which the oil pressure
indicator lamp is on considerably.

63011240 - click to zoom