NOTE: Make sure that the piston (002) does not move above the limit of the red
groove (011).
7 Keep the applied pressure constant.
8 Make sure that there is no clearance between the round nut (004) and the plate (007).
8.1 Put the feeler gauge through the groove (006).
8.2 If there is a clearance, do the steps that follow:
8.2.1 Get the applicable round bar (012) from the round bar kit.
8.2.2 Put the round bar (012) through the slot (005) into a hole of the round nut
(004).
8.2.3 Turn the round nut (004) down to the plate (007).
8.2.4 Remove the round bar (012).
9 Release the pressure on the HP oil pump or on the hydraulic unit to zero.
10 Disconnect the pre-tensioner from the HP oil pump or from the hydraulic unit.
11 Remove the pre-tensioner from the elastic stud (008).
CLOSE UP
• None
X72DF
AA00-0000-00AAA-360A-A
Maintenance Manual Do a check of the pre-tension
Winterthur Gas & Diesel Ltd.
- 98 - Issue 002 2020-10
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