WÄRTSILÄ VASA 6L32, Instruction Manual

Page: 180 / 394

5 Turn crank of the first cylinder near BDC (bottom dead
centre) and fit the transducer to the centre marks (marked with
yellow paint mark) between two crank webs. The distance
between centre mark and contact surface of the counter weight
and crank web is 145 mm, see Fig 11-1.
The distance between the transducer and the connecting rod
should be as small as possible. Fix the cable on the crank web
by using suitable bandage or magnetic holder (4), see Fig 11-1.
6 Adjust the transducer to a reading somewhere between
+0.500 and -0.500 and push “Zero”.
Transducer position and crankshaft alignment
7 Turning the crank and read deflections in the marked
positions according to Fig 11-1. Starting point for clockwise
rotating engine is measuring point “A” and counter-clockwise
rotating engine measuring point “E”. B is rear side, C is TDC
(top dead centre), D is operating side, A and E are BDC (bottom
dead centre). Record readings in the Measuring Record:
“Crankshaft alignment”.
Note! During the alignment procedure the crankshaft should be
turned in the direction of rotation, only.
8 Repeat this procedure with other cylinders.
D
C
B
A E
Operating side Rear side
145
As seen from flywheel end
0
+
-
1
3
4
2
1. Measuring unit
2. Cable
3. Transducer
4. Cable holder
Fig 11-1
4011079706
11 Crank Mechanism: Crankshaft, Connecting Rod, Piston 32-200020
11 - 2 WÄRTSILÄ 32