Maintenance5556−1/A1
Winterthur Gas & Diesel Ltd.
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3. Disassemble
3.1 Guide Pin − Removal
1) Attach the fuel pump to the work
bench. Make sure that the top of the
fuel pump points down.
2) Attach the tool (94551, Fig. 3) as
shown.
3) Turn the spindle of the tool (94551) to
move the guide piston (3) in sufficiently
to remove the guide pin (2).
4) Turn the screw (1) to remove the guide
pin (2).
5) Remove the tool (94551).
3.2 Guide Piston and Roller −
Removal
1) Attach the two eye bolts (EB) to the
guide piston (4, Fig. 4)
2) Remove the guide piston (4) from the
housing.
3) Remove the circlip (1).
4) Push out the pin (2).
5) Remove the roller (3) together with the
pressure discs (8) and the bush (7).
6) Remove and discard the O-ring (6).
7) Remove the snap ring (5).
Fuel Pump: Removal, Disassemble, Assemble, Installation
2016
1
013.671/05
Fig. 3
94551
32
Fig. 4
EB
008.649/00
2
4
1
3
5
7
8
6