Winterthur Gas X40-B, Maintenance Manual

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Maintenance
1132 − 1/A1
Winterthur Gas & Diesel Ltd.
1/ 3
Main Bearing
Elastic Bolts − Apply Tension
Tools:
1 Rod 94005 − 6 2 Pressure gauges 94934A
2 Double pre-tensioning jacks 94114 2 Coupling elements 94934G
1 Feeler gauge 94122 3 HP hoses 94935
1 Special feeler gauge 94123 1 Hydraulic unit 94942
1 Connection block 94934
1. General
1) If installed, remove the temperature monitoring for piston cooling from the main
bearing cover before you install the double pre-tensioning jacks (94114).
2) Clean the threads of the elastic bolts (4, Fig. 1 ) and the faces of the round nuts (3).
3) Apply oil to the threads of the elastic bolts (4).
Note: Do not install the thrust device (94110).
Note: Read the data in
9403 − 4 General Application Instructions for Pre-tensioning
Jacks.
2. Pre-tensioning Jacks −
Install
1) Put the double pre-tensioning jacks
(94114) in position on the elastic
bolts (4).
2) Turn the round nuts (12) up and move
the tension sleeves (6) on to the elastic
bolts (4).
3) Open all vent screws (2).
4) Turn the round nuts (12) to push the
pistons (11, 8) against the cylinders (9,
7). Make sure that there is only a small
clearance, or no clearance at X.
5) Make a mark on the round nuts (3) and
the bearing cover.
Note: To loosen the elastic bolts (4), turn
back the round nuts (12)
approximately one turn (to ge a
clearance at (1).
Note: To apply tension to the elastic bolts
(3), the round nuts (5) must touch
the pistons.
Main
Fig. 1
WCH03609
2
I
11
9
5
6
12
7
8
1
3
I
10
4
X
y
x
3
1
ST
STEP