Maintenance
3403−3/A1
Winterthur Gas & Diesel Ltd.
1/ 4
Disassemble and Assemble
Tools:
3 Pre-tensioning jacks 94340 3* Jacking screws 94364A
1 Suspension device 94341 2* Jacking screws 94364B
1 Piston support device 94350 3* Jacking screws 94364C
* Use available screws from
piston assembly
1. Preparation
CAUTION
Damage Hazard: When you disassemble or assemble a piston,
make sure that you do not damage the pipes or nozzles.
Note: You disassemble a piston to clean the cooling chamber in the piston
head, do an overhaul of the ring grooves etc.
1) Read the data in 0012−1 General Guidelines for Lifting Tools.
2) Remove the piston, refer to 3403−1, paragraph 1 and paragraph 2.
Note: When you do step 3), apply tension to the elastic bolts in the sequence
given in Fig. 1.
3) Apply tension to the elastic bolts (1), refer to 9403−4.
4) Remove the nine round nuts.
a
a
a
b
b
b
c
c
c
Fig. 1: Sequence to Apply Tension to the Elastic Bolts
2015
Piston