WinGD RT-flex50DF, Maintenance Manual, Page: 320 / 586

Maintenance
3403 − 3/A1
Winterthur Gas & Diesel Ltd.
2/ 5
2. Disassemble
CAUTION
Damage Hazard: When you
disassemble the piston,
make sure that you do not
damage the pipes or
nozzles on the spray plate.
1) Put the two jacking screws (94364A,
Fig. 2 ) fully into the two tap holes in the
top of the piston rod (3). Make sure that
the jacking screws touch the piston
head (2).
2) Tighten equally the two jacking screws
until there is a clearance between the
piston head (3) and the piston rod (2).
3) Make sure that the tool (94341) is
clean.
4) Remove the six bolts (1) and the three
brackets (2).
5) Apply Molykote paste G − n to the
threads of the six bolts (1).
6) Attach the engine room crane to the
lifting tool (94341, Fig 3 ).
7) Attach the crane hook to the lifting tool
(94341).
8) Carefully lower the tool (94341) on to
the piston crown. Make sure that the
grooves for the brackets (2) align with
the holes in the piston crown (3).
Note: To help you align the brackets (2),
first attach one bracket to the
tool (94341).
9) Attach the three brackets (2) to the
tool (94341) with the six bolts (1). Make
sure that the brackets fully engage in
the holes in the piston crown (3).
10) Torque the six screws (1) to 85 Nm.
11) Operate the engine room crane to lift
the piston crown (3).
12) Move the piston crown (3) to an
applicable area.
13) Remove the jacking screws (94364A)
from the top of the piston rod.
2016
Piston: Disassemble and Assemble
94364
WCH030092
1
2
3
I - I
I
I
3
94341
4
Fig. 2
Fig. 3
1
2
94341
WCH03299