Maintenance
3403−3/A1
Winterthur Gas & Diesel Ltd.
1/ 5
Disassemble and Assemble
Tools:
1 Suspension device 94341 1 Hydr. distributor 94934A
2 Pre-tensioning jacks 94346 2 Coupling elements 94934G
1 Piston supporting device 94350 3 HP hoses 94935
2 Jacking screws 94364 1 Hydraulic unit 94942
1 Connection block 94934 1 Torque wrench
1. General 1..........................................................
2. Disassemble 2.....................................................
3. Assemble 4........................................................
1. General
1) Read the data in 0012−1 General Guidelines for Lifting Tools.
2) Remove the piston, refer to 3403−1.
Note: You disassemble a piston to clean the chamber in the piston head, do an
overhaul of the ring grooves etc.
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) to loosen the eight round nuts, refer to
9403−4, paragraph 1 and paragraph 2.
4) Remove the 12 round nuts (1).
Fig. 1: Sequence to Apply Tension to the Elastic Bolts
1
a
c
b
d
b
b
a
a
c
c
d
d
2016
Piston