Maintenance
5556−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
3/ 9
3. Dismantling of a fuel pump
3.2 Removal of guide piston
⇒ Screw two eye bolts ’RC’ into guide piston 7, an
withdraw the latter from the housing.
3.3 Removal of roller
⇒ Remove circlip 11.
⇒ Press out pin 10, and remove roller 8 together wi
pressure discs 12 and bush 13.
Dismantle and assemble the fuel pumps in a clean roo
which should be as dust-free as possible (grinding dus
etc).
3.1 Removal of guide pin
⇒ With the head of the pump turned towards the bo
tom, fasten the fuel pump onto a work bench.
⇒ Mount fitting & dismantling device 94551 accordin
to Fig. ’D’, and press guide piston 7 inwards by tu
ning the spindle of the device until guide pin 9 allow
to be withdrawn by means of screw ’SC’.
⇒ Remove the fitting & dismantling device.
E
10
13
7
11
12
41
8
RC
14
15
008.649/00
D
876 9
SC
013.671/05
DS
94551
2010
uel Pump: Dismantling and Assembling
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