Fig 10-9 Guide piston and roller removal
002
006
004
005
00423
007
008
001
010
009
003
011
2.2 Remove the guide piston (004) from the housing.
2.3 Remove the roller (008) together with the two pressure discs (008) and the bush
(007).
2.4 Remove and discard the O-ring (006).
2.5 Remove the snap ring (005).
2.6 Remove the Allen screws (011).
2.7 Remove the bottom housing (009) from top housing.
2.8 If necessary, replace the bush (010) as follows:
2.8.1 Remove the bush.
2.8.2 Apply Loctite No. 648 to the thread of the bush.
2.8.3 Torque the new bush to 200 Nm.
X72DF
AA00-5556-00AAA-530A-A
Maintenance Manual Fuel pump - disassemble
Winterthur Gas & Diesel Ltd.
- 556 - Issue 002 2020-10
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