B3.9 and B5.9 Series Engines
Section 7 - Lubricating Oil System - Group 07
Install a new sealing o-ring on the threaded plug and lu-
bricate with clean lubricating engine oil. Install the pres-
sure regulator assembly.
Lubricating Oil Pump (007-031)
· Remove the drive belt. Refer to Procedure 008-002.
NOTE: Removal is easier if the vibration damper is loos-
ened before removing the belt. Refer to Procedure 001-052.
Remove the vibration damper. Refer to Procedure 001-052.
Remove the front cover. Refer to Procedure 001-031.