WinGD X62DF User Manual

PROCEDURE
1 Make sure that the threads of the elastic stud (008, Figure 4-1), of the round nut (004)
and of the pre-tensioner are smooth and clean.
NOTE: If you have to install the complete set of elastic studs, obey the sequence
given in the related figures (refer to section 16.1 Tightening instructions).
2 Apply the applicable lubricating agent to the thread of the elastic stud (008) and
surfaces that touch on the plate (007), refer to section 16.1 Tightening instructions).
3 Turn the round nut (004) moderately down to the plate (007).
4 If necessary, put one reference mark on the round nut (004) and one on the plate (007).
5 Put the applicable pre-tensioner on the elastic stud (008).
5.1 If the piston (002) is attached directly on to the elastic stud (008) (version 1), do
the steps that follow:
5.1.1 Turn the pre-tensioner on the elastic stud (008) until the cylinder (003)
touches the plate (007).
5.1.2 Make sure that there is no clearance at X.
5.2 If the piston (002) is attached with the nut (010) to the elastic stud (008) (version
2), do the steps that follow:
5.2.1 Put the pre-tensioner on the elastic stud (008) until the cylinder (003)
touches the plate (007).
5.2.2 Turn the nut (010) on the elastic stud (008) down to the piston (002).
5.2.3 Make sure that there is no clearance at X.
Fig 4-1 Tighten a round nut (examples)
X
X
001
002
003
004
005
006
007
008
010
009
011
012
009
011
012
Version 1 Version 2
00533
6 If necessary, turn back the cylinder (003) a small distance to get good access to the
applicable slot (005) of the pre-tensioner.
7 Connect the pre-tensioner to the HP oil pump or to the hydraulic unit at the connection
(009).
8 Fill the pre-tensioner with oil.
8.1 Open the vent screw (001) on the pre-tensioner.
8.2 Operate the HP oil pump or the hydraulic unit until oil that has no air flows out at
the vent screw (001).
8.3 Stop the HP oil pump or the hydraulic unit to prevent injury.
8.4 Carefully close the vent screw (001) on the pre-tensioner.
9 Slowly increase the pressure to get the related tightening value (refer to the name plate
on the pre-tensioner).
X72DF
AA00-0000-00AAA-711A-A
Maintenance Manual Tighten a round nut with a pre-tensioner
Winterthur Gas & Diesel Ltd.
- 89 - Issue 002 2020-10

WinGD X62DF Specifications

General

Brand	WinGD
Model	X62DF
Category	Engine
Language	English