MAK M 20 - Auxiliary Materials

Explosion relief valve
Inspection / Checking
A5.05. 03.01.01.03
1500
M20
en / 30.09.2010 IB026533 1/2
03
See also: 02.01.01.nn
Spare parts list: B1.05.03.2.1633
Time requirement: 1 Pers./ 1,00 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Check:
Ease of movement of the explosion relief valve every 1,500 h
Auxiliary materials:
Molykote Paste "G Rapid Plus“ *
Sealing compound "Dirko No. 610.020" *
* or equivalent product
Procedure:
1. Check the relief valve from the inside of the crankcase door (1) for ease of movement by actua-
ting the valve by hand. For this purpose dismantle the crankcase door (1) or the explosion relief
valve (5).
2. Disassembly
2.1 Unscrew and remove screws (8) from crankcase door (1).
2.2 Remove explosion relief valve (5) from the crankcase cover (1).
3. Assembly
3.1 Coat the threads of screws (8) slightly with Molykote Paste "G-Rapid Plus".
3.2 Clean the sealing face (10) on the crankcase door (1) and lubricate with sealing compound "Dirko
No. 610.020".
3.3 Put the explosion relief valve (5) in place on the crankcase door (1).
NOTE
Removal of the explosion relief valve (5) is only required if the specified spring tension
is not provided any more, in the event of abnormal oil contamination or if any leaks
should be identified during operation.