2 Release the pressure of the servo oil supply unit to 0 bar.
3 Remove the HP fuel pipe (001, Figure 10-4) from the defective fuel pump (003). Refer to
the Maintenance Manual for more information.
4 Install the flange (002) to the fuel pump (003).
5 Install the flange (007) to the intermediate piece (006).
6 Remove the applicable cover (005) from the supply unit casing (004).
NOTE: Make sure that the applicable supply unit cam is at TDC and if not do Step 7.
Fig 10-5 Roller lifting tool assembly
7 Operate the turning gear to turn the supply unit cam at TDC to push the roller (001, Figure
10-5) of the guide piston (002) at the highest position.
8 Tighten the elastic bolt (003) with the pad (004).
9 Tighten the round nut (005) until it touches the pad (004).
10 Make sure that the pad (004) touches the guide piston (002).
X72-B
AA00-5556-00AAB-510B-A
Operation Manual Fuel pump - cutting out
Winterthur Gas & Diesel Ltd.
- 437 - Issue 003 2021-12
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