Disassembling and assembling seawater pump
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À Pump housing Ç Nut
Á O-ring È Shaft
 Tensioning nut É Bearing
à Impeller
11
Adjusting washer
Ä Axial face seal
12
Circlip
Å Bearing housing
13
Belt pulley
Æ Leakage bore
14
Bolt
Disassembling seawater pump
Remove belt pulley
13
by undoing bolt
14
. To do so prevent shaft È from turning by inserting a mandrel
through the leakage bore Æ.
Disassemble bearing housing Å. To do so undo nuts Ç and remove bearing housing.
Loosen tensioning nut Â. To do so prevent shaft È from turning by inserting a mandrel through the leakage
bore Æ. Take off impeller Ã.
Remove circlip
12
, remove adjusting washer
11
. Press shaft È with bearing É out of the housing. Press axial
face seal Ä out of the bearing housing Å.
Assembling seawater pump
Insert new axial face seal Ä in the bearing housing Å. Heat bearing É up to 135 °C and push onto the
shaft È. Press shaft and bearing into the bearing housing Å insert adjusting washer
11
and fit circlip
12
in
the bearing housing.
Fit impeller à on to the shaft È and secure by means of tensioning nut Â. To do so prevent shaft È from
turning by inserting a mandrel through the leakage bore Æ.
Tightening torque: 32 Nm
Fit O-ring Á into the pump housing À. Push bearing housing into the pump housing and tighten nuts Ç.
Push belt pulley
13
onto the shaft and tighten with bolt
14
. Insert bolt with Loctite 243. To do so prevent
shaftÈ from turning by inserting a mandrel through the leakage bore Æ.
Tightening torque: 110 Nm
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