COOLING SYSTEM 21
Coolant pump - auxiliary
To dismantle and to assemble21A-03C
Consumable products:
POWERPART Retainer (oil tolerant)
To dismantle
1 Mark the relative position of the blanking plate
(A7) to the pump body before the plate is removed.
This will ensure correct assembly.
2 Remove the four setscrews, nuts and washers
which retain the blanking plate to the body of the
coolant pump and discard the joint (A9).
3 Remove the nut (A1) and washers (A14) and
(A2) which secure the coolant pump pulley (A5) to
the shaft (A13).
4 Use a suitable puller (B) and remove the pulley
from the shaft.
5 Support the impeller end of the pump and press
the shaft, together with the coolant seal (A10) and
the impeller (A6) out of the body of the pump.
6 Remove the circlip (A3) for the bearing housing.
7 Support the pulley end of the pump and press
the bearings (A11 and A12) and distance piece (A4)
from the pump body. Discard the bearings.
8 Support the impeller and press the shaft from the
impeller. Remove and discard the coolant seal.
9 Clean the components of the pump in a suitable
safe cleaning fluid and inspect the components as
follows:
Check the coolant pump shaft for wear. If the shaft
is worn it must be renewed.
Check the impeller for cracks and broken blades.
Inspect the pump body for cracks.
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14
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13
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12
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0,89/0,64mm
(0.035/0.025in)
PA191
PA190
Perkins Phaser/1000 Series, April 1995 21A.17
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