Prelubricating pump/Prelubrication
Maintenance / Checking
A5.05. 08.10.00.00
150
M20/M25/M32/M43/M453C/M552C/M601C
en / 18.11.1999 IB004168 1/1
08
Ĺ
See also: C5.05.08.10.00.nn
Spare parts list:
Time requirement: 1 Pers./ 0,20 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Maintenance:
Prelubrication and turning approximately every 150 h
Note:
When multi-engine systems run on rigid bearings, the bearings might be damaged by vi-
bration when individual engines are shut down for more than 3 days.
Prelubrication alone is no guarantee that damage caused by vibration is prevented, since
the components which run on sliding bearings, are not able to float in the bearing because
of the prelubricating pressure. No or only a little quantity of oil is carried to the endangered
contact surfaces.
Damage caused by vibration during engine shut-down can only be avoided when the engi-
ne is lubricated and turned simultaneously.
The following method is to be applied to avoid damage caused by engine shut-down, wit-
hout affecting the unattended operation of the system:
Sequence of operations:
1. Carry out steps 1.1 and 1.2 simultaneously for approx. 5 min.
1.1 Start the stand-by pump
1.2 Turn the engine by means of the barring gear.
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