PROCEDURE
1 Do Step 1.1 to Step 1.4 to make sure that there is no pressure in the fuel rail as follows:
1.1 In the plant, set to OFF the fuel booster pump.
1.2 Close the shut-off valves to the fuel inlet and return pipes.
1.3 To release the pressure in the fuel rail, operate the button on the pressure
control valve.
1.4 On the local control panel, make sure that the pressure shows zero.
2 Set to OFF the electrical trace heating system.
3 On the applicable HP fuel pipe, remove the insulation (001, Figure 13-7).
4 Disconnect the electrical connection (003).
5 Remove the three bolts (004), nuts and washers (005) and the pipe clamp (002).
Fig 13-7 HP Fuel pipe - preparation
002
003
00553
001
001
I
I
I - I
004
002
005
002
CLOSE UP
• None
X72DF
AA00-8733-00AAA-523A-A
Maintenance Manual HP fuel pipe (fuel rail to injection valve) - prepare before removal
Winterthur Gas & Diesel Ltd.
- 745 - Issue 002 2020-10
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