70 MS 650, MS 660
: Use a 6 mm drift to carefully
press home the new valve from
outside until it is about 0.8 –
1.2 mm below the housing face
(’a’ in illustration).
Reassemble all other parts in the
reverse sequence.
VA
212RA144
a
– Remove the clutch – b 5.4
: Pull the worm with drive spring
(arrow) out of the oil pump and off
the crankshaft stub.
178RA115
VA
: Take the drive spring off the
worm.
VA
176RA245
: Take out the screws (1).
– Pull off the oil pump.
178RA116
VA
11
: Replace the sealing ring (1).
Always use a new sealing ring.
– Lubricate the worm with grease
before installing – b 17
– Coat oil pump screws with
178RA117
VA
1
Hylomar sealant – b 17
Reassemble in the reverse
sequence.
11.3 Oil Pump
11.3.1 Removing and Installing
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