WÄRTSILÄ PAAE051728, Instruction Manual

Page: 185 / 394

Caution! The screws will be overloaded if the maximum hydraulic
pressure is exceeded.
It is recommended to change the screws if maximum hydrau-
lic pressure is exceeded for some reason.
6 Release the pressure slowly and disconnect the hoses,
unscrew the tightening nuts and remove hydraulic tool as one
package.
7 Remove the nuts.
8 Rotate the crank pin of the cylinder concerned in to TDC.
9 Mount the limiter 800018 in the lower part of cylinder
liner and tighten the screw, see Fig 11-5.
10 Separate upper part and big end (5) by turning the
crankshaft towards BDC.
Support the upper part of the connecting rod to avoid dam-
aging the cylinder liner.
Note! To avoid damaging the guiding pins the separation of the
upper part (1) and the big end (5) should be done aligned.
11 Remove the shim (2), see Fig 11-2.
Note! Do not mix the shims (2) with other connecting rod shims.
Always when mounting flute or/and the limiter is/are mounted
in the crankcase observe extremely cautiousness when using
the turning device.
12 Rotate the crankshaft towards the operating side to the
position 55° from TDC by using the turning device.
13 Mount the mounting support 800102 on the upper stud
of the crank case cover, see Fig 11-5. Tighten the nut.
14 Lift the hydraulic tools 800020 in to the position.
15 Connect the hoses of the hydraulic pump 800053 and
proceed to open the upper connection as described in adjacent
figure.
16 Strain the screws by raising the pressure to the value
stated in the section 07.3 and proceed with opening the nuts.
Hydraulic oil
DISMANTLING
1. Lift the distance sleeve.
2. Lift the hydraulic cylinder and
screws in a one package in pos.
3. Connect hoses, open valve.
4. Tighten the tool assembly,
until the piston and cylinder is
on the same level, open the
nuts by 180˚.
5. Close the valve, pump to
required pressure.
Open the nuts about half a turn.
6. Open the valve slowly and
remove the tool.
32-200020 Crank Mechanism: Crankshaft, Connecting Rod, Piston 11
WÄRTSILÄ 32 11 - 7