Maintenance
3403−1/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
1/ 7
Tools: Key to Illustrations:
1 Feeler gauge 94122 1 Piston crown 13 Securing screw
1 Piston ring tensioning device 94338 (94338A) 2 Piston skirt 14 Platform support
1 Suspension device 94341 3 Piston rod 15 Support
1 Insertion funnel GF 94342 4 Crosshead pin 16 Strap
2 Locking devices GF 94343 5 Centring pin 17 Screwed connection
2 Distance holders 94345 6 Elastic stud 18 Hinged cover
1 Cover plate 94345D 7 Cylinder liner
2 Pre-tensioning jacks 94340 8 Piston rod gland
1 Tap 94348 9 Elastic stud
1 Piston supporting device 94350 10 Nut PL Plate
1 HP oil pump 94931 11 Elastic screw RS Round bar
1 Hydr. distributor 94932 12 Locking element SP Stop plate
1 Hydr. distributor 94934A
1 HP hose 94935
2 HP hoses 94935A
Overview
1. General 1/7...............................................
2. Loosening and tensioning
the elastic studs of piston rod foot fastening 2/7.............
3. Removal of piston 3/7......................................
4. Fitting the piston 6/7.......................................
5. Leak test 7/7..............................................
1. General
Remark: Pay attention to General Guidelines for Lifting Tools 0012−1.
D 2124−3 ’Removing wear ridge’ in cylinder liner at every piston removal.
D 2708−1 ’Removal of cylinder cover’ and draining cylinder cooling water.
Attention! The piston may not be transported with built-on piston rod gland (gland
for short).
Attention! The supporting device 94350 can be used for piston overhauling
work at calm sea only, however, in no case this may serve as storage place
during the voyage!
Moreover, always bear in mind, that the passage between engine and supporting
device is limited (e.g. as possible escape route) on the platform.
Piston
Removal and Fitting
V2 / 2013
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