Perkins New 1000 Series, Workshop Manual, Page: 229 / 290

Workshop Manual, TPD 1350, issue 3 229
21
New 1000 Series
Coolant pump - early gear driven pumps
To dismantle and to assemble 21-6
To dismantle
The coolant pump will need an overhaul if coolant
leaks from the hole (A4) in the body of the pump.
When this occurs coolant has passed through the
coolant seal (A7) and has contaminated the bearings.
Special tool:
Gear puller, MS.99
Consumable products:
POWERPART Retainer (high strength)
POWERPART Nutlock
The coolant pump has a bearing assembly which has
an integral oil seal. Identification of the new coolant
pump is by the last four digits of the part numbers,
(4131E011) stamped on the front of the coolant pump
body and by the bearing which extends approximately
5 mm (0.2 in) past the end of the pump body.
1 Remove the coolant pump , see operation 21-2 .
2 Remove the "O" ring (A2) from the pump body (A4).
3 Remove the front cover (A8) and the joint (A9).
4 Remove the gear (A1) with the puller MS.99.
5 With a support under the drive end of the pump, use
a suitable adaptor to press out the shaft and bearing
assembly (A3) and discard it. Remove and discard
the impeller (A6) from the body.
6 With a suitable support under the impeller end of
the pump, press out the coolant seal and discard it.
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