Centrifugal Cooling Water Pump
Maintenance / Disassembly and reassembly
A5.05. 09.07.01.01
15000
M20
en / 06.06.2000 IB022224 1/3
09
Ĺ
See also: -
Spare parts list: B1.05.09.2.6437
Time requirement: 1 Pers./ 1,00 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Maintenance:
The centrifugal cooling water pump is to be removed and checked for wear
every 15,000 hours of operation.
Auxiliary material:
Molykote paste “G-Rapid Plus” *
Silicon sealing compound “Dirco-Gray” *
* or a product of equal standard
Sequence of operations:
1. Disassembly
1.1 Empty the cooling water system in
the cooling water reservoir.
1.2 Remove pipes from the cooling water
pump.
1.3 Disconnect pump flange from the pump
carrier plate and remove the cooling
water pump (Fig. 1/1) with gear wheel
(2) from the cylinder block and
crankcase.
1.4 Loosen the hexagon screw (3) with
the washer (4) and remove the gear
wheel (2) from the shaft (5) with an
extracting device (X).
1.5 Check the tooth surfaces for wear
(pitting, cross bearing, disintegrations).
1.6 Loosen the hexagon nuts (Fig. 2/11)
and take the housing cover (12) with the
impeller (13) out of the spiral housing
(14).
1.7 Loosen the impeller nuts (15). Remove
the impeller (13) with an extracting
device from the shaft (5). Observe the
parallel key (16).
1.8 Remove the mechanical seal (17).
1
2
3
4
5
X
Fig. 1
X
2
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