WinGD X72 - Page 283

Maintenance
3403−3/A1
Winterthur Gas & Diesel Ltd.
3/ 4
3. Assemble
Note: Do not install pipes or nozzles that
have damage.
1) Apply Loctite No. 0270 to the thread of
the pipe (3, Fig. 4).
2) Use the applicable tool to install the
pipe (3) to the spray plate (1).
3) Use a center punch to lock the pipe (3)
in position.
4) Apply Loctite No. 0270 to the thread of
the nozzle (4).
5) Use the applicable tool to install the
nozzle (4) to the pipe (3).
6) Put oil on the new O-rings (2).
7) Install two new O-rings (2) on the spray
plate (1).
8) Install a new O−ring to the piston rod.
9) Attach the spray plate (3, Fig. 5) to the
piston rod (6) with the ten nuts (7).
10) Torque the ten nuts (7) as follows:
a) Symmetrically torque the ten nuts
to 20 Nm.
b) Symmetrically torque the ten nuts
to 75 Nm.
Note: When you do step 11), make sure
that the dowel pin (4) engages in
the related hole in the piston
skirt (5).
11) Attach the piston skirt (5) to the piston
rod (6) with the two screws (8).
12) Use the engine room crane to lower the
piston head (1) on the piston skirt (3).
Make sure that the dowel pin (4)
engages with the hole in the piston
head (1).
13) Attach the nine round nuts to the elastic
bolts (2).
2015
Piston: Disassemble and Assemble
018.011/09
1
2
Fig. 4
4
3
Center punch here
1
5
6
8
4
3
7
94341
Fig. 5
2