MAK M 20 - Page 181

Vibration damper on camshaft
Repair / Disassembly and reassembly
A5.05. 04.09.01.01
15000
M20
en / 31.05.2010 IB021601 1/2
04
See also: -
Spare parts list: B1.05.04.2.3140
Time requirement: 1 Pers./ 1,00 h
Personnel qualification: skilled engine hand
--------------------------------------------------------------------------------------------------------------------------------
Operating medium: Heavy fuel and distillate fuel
Tools:
20 - 90 Nm 1/2" torque wrench W1 * 1.9454-020
12mm Allan key insert W2 * 1.9039-012
* not illustrated
Auxiliary tools:
"G-Rapid" Molykote paste **
** or product of equal quality
Sequence of operations:
1. Disassembly
1.1 Loosen the cheese head screws (5),
lift off damper (1), disc (3)
with cover disc (2).
2. Assembly
2.1 Clean the contact surfaces of the dampers
(1), the disc (3)
and the cover disc (2).
2.2 Apply "G-Rapid" Molycote paste to the
thread and contact surface of the cheese
head screws (5).
NOTE
The torsional vibration dampers must be replaced after 15,000 operating hours.
WARNING
Attention, there is a risk of
injury!
Never open a vibration damper
6
5
32
1