To Next Page

To Previous Page

Maintenance

3403−3/A1

RT-flex50-D

Wärtsilä Switzerland Ltd

1/ 6

Tools: Key to Illustrations:

1 Suspension device 94341 1 Piston crown 14 Piston

2 Pre-tensioning jacks 94346 2 Spraying plate with oil pipe 15 Cylinder

1 Piston supporting device 94350 2a Spraying nozzle 16 Vent screw

2 Jacking screws 94364 3 Piston skirt 17 O-ring

1 Connection block 94934 4 Piston rod 18 O-ring

1 Hydr. distributor 94934a 5 Waisted stud 19 O-ring

3 HP hoses 94935 6 Spring dowel pin

1 Hydraulic unit 94942 7 Nut

1 Torque wrench 8 Centring screw BN Limiting groove

9 Screw EV Relief valve

10 Bush GB Taphole M27x2

11 Screw KO Slot

12 Spring dowel pin RS Round bar

13 Nut SA Gap

Overview

1. General 1/6...............................................

2. Loosening waisted studs of piston crown 2/6...............

3. Tensioning waisted studs of piston crown 3/6...............

4. Dismantling of a piston 4/6.................................

5. Assembling of a piston 4/6.................................

1. General

Dismantling of a piston (for cleaning cooling chamber, reconditioning ring grooves

etc.) can be carried out as described below. For this purpose the piston is to be

placed in the piston supporting device 94350 according to 3403−1.

Attention! When dismantling or assembling a piston take particular care that the

spraying nozzles 2a are not damaged.

Remark: Pay attention to:

− General Guidelines for Lifting Tools 0012−1.

− General Application Instructions 9403−4 for hydraulic pre-tensioning jacks.

2010

iston

ismantling and Assembling

Wartsila RT-flex50-D User Manual

Questions and Answers: