PROCEDURE
1 Clean the contact surfaces of the new injection module (1, Figure 7-75) and of the
distributor piece.
2 Clean the inner side of the distributor piece (3).
3 Make sure that the contact surfaces and the two cables (2) have no damage.
4 Move the injection module (1) some centimeters above the distributor piece (3).
NOTE: Find the correct position related to the two dowel pins.
5 Connect the two cables (2) to the injection module (1).
NOTE: You can use one of the two plugs for each cable.
Fig 7-75 Pilot fuel valve - install the injection module
6 Put the injection module onto the distributor piece.
NOTE: Make sure that you not cause damage to the cables.
7 Apply a thin layer of oil to the new O-rings.
8 Put the new O-rings in the related grooves of the nozzle nut.
9 Clean the distributor piece and the injection module.
10 Apply an applicable lubricant on the thread of the nozzle nut and on the shoulder of the
injection module.
11 Install the nozzle nut (1, Figure 7-76) onto the injection module (2) and tighten it with
your hands.
12 Tighten the nozzle nut (1) to the correct value, refer to section 16.1 Tightening
instructions.
13 Make sure that the sealing ring is correctly installed.
X72DF
AA00-2790-00AAC-720A-A
Maintenance Manual Pilot injection valve - install the injection module
Winterthur Gas & Diesel Ltd.
- 333 - Issue 002 2020-10
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