MAK M20 - Lube Oil Pump Inspection;Checking

Lube Oil Pump
Inspection / Checking
A5.05. 08.03.01.00
15000
M20
en / 06.06.2000 IB022195 1/1
08
Ĺ
See also: 08.03.02.nn
Spare parts list: B1.05.08.1.6417
Time requirement: 1 Pers./ 0,50 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Control:
Check safety valve for function every 15,000 hours of operation.
Sequence of operations:
1. Screw off valve cover (Fig. 1/1) and
mark set position of the valve spindle
(2).
ĭ Safety note:
Observe spring tension
2. Unscrew valve spindle (2) and take
valve cone (3) with valve spring (4) and
spring seat (5) out of the housing (6).
3. Check sealing faces of the valve cone
and if necessary grind them in. Clean
sealing faces carefully.
4. Fit the valve in reverse order and set to
the marked position.
5. Start up lubricating oil pump and
vent system. Check pump suction line,
the pump body and the shaft sealing
for tightness.
Fig. 1
1
2
5
4
3
6