APRILIA SCARABEO 500 - 2008, Service Station Manual

Page: 297 / 324

Water pump - overhaul
In case of noise or fluid leaks from the water pump
drainage hole, inspect the pump as described in
the «Engine/Water pump» Chapter.
Proceed to carry out a few preliminary operations
as described below:
•
Place the vehicle on its centre stand
and on level ground.
•
Remove the tail section as described in
the «Bodywork» Chapter.
•
Empty the cooling system by removing
the sleeves located on the water pump
cover and the filler cap located on the
expansion tank.
CAUTION
THIS OPERATION MUST BE CARRIED OUT
WHEN THE ENGINE IS COLD.
•
Remove the water pump cover shown
in the figure by loosening the six fixing
screws.
•
Follow the instructions described in the
«Engine/Water pump» Chapter to
check the pump.
•
Once the fault has been fixed and all
components have been replaced, fill
and drain the system again.
NOTE
TO CHANGE COOLANT AND PURGE THE SYS-
TEM, SEE THE «COOLING» CHAPTER.
Water pump cover removal:
•
Check that the water pump cover is not
dented or distorted.
•
Check that the sealing O-Ring is in
good conditions.
•
Otherwise, replace the component.
•
Place a new O-ring with caution so that it does not come into contact with any grease or oil.
FAILURE TO OBSERVE THIS RULE CAN IRRETRIEVABLY DEFORM THE O-RING.
SCARABEO 500
Cooling system
COOL SYS - 297