Perkins Phaser Series - Page 269

21 COOLING SYSTEM
Auxiliary coolant pump
An auxiliary coolant pump (A) is used on some high
rated engines which have a water-to-air intercooler.
The pump which is belt driven from the crankshaft
pulley, circulates coolant through the intercooler.
The pump is fitted to a mounting bracket on the
right side of the engine.
To remove and to fit21A-02C
To remove
1 Drain the cooling system.
2 Release the hose clips and disconnect the hoses
from the inlet (A1) and outlet (A3) of the coolant
pump.
3 Loosen the two nuts (A5 and A6) at the rear of
the pump which secure the coolant pump to the
mounting bracket (A4).
4 Push the pump towards the cylinder block and
remove the belt (A2) from the pump pulley. Support
the pump, remove the two nuts for the mounting
bracket and remove the pump from the engine.
To fit
1 Fit the pump to the mounting bracket and fit
loosely the two nuts. Fit the belt to the pump pulley.
2Check and adjust the belt tension, operation
23A-01 and fully tighten the two nuts (A5 and A6).
3 Connect the hoses to the inlet and outlet of the
coolant pump and tighten the hose clips.
4 Fill the cooling system, start the engine and
check for leakage.
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PA193
21A.08 Perkins Phaser/1000 Series, April 1995