78
MS 271 C, MS 291 C
:
Pull the worm (1) with drive
spring (2) out of the oil pump.
– Check the spring and worm and
replace if necessary.
:
Take out the screws (1) and lift
the oil pump (2).
:
Pull the oil pump (1) off the oil
suction hose (2).
– Check the oil pump (1) and
replace it if necessary
2
1
2710RA246 TG
1
1
2710RA248 TG
2
2
1
2710RA249 TG
Installing
:
Replace the sealing ring (1) –
always use a new sealing ring.
:
Position the oil suction hose (1)
so that the lugs (arrows) are in
alignment.
:
Push the oil suction hose (1) onto
the nipple.
2710RA250 TG
1
1
2710RA251 TG
:
Position the oil pump (1) so that
its rear connector (arrow)
engages the bore.
:
Insert and tighten down the
screws (2) firmly.
– Push the worm fully home.
:
Push the washer (1) into position.
Installed position is correct when
"TOP" (arrow) faces outwards.
– Reassemble all other parts in the
reverse sequence.
1
2
2
2710RA252 TG
2710RA253 TG
1
