Water Pump - TGB blade 300 Service Manual

12. COOLING SYSTEM

Water Pump

Check water pump seal / cooling
system divulges inspection
● Disassembles the refrigerant drain bolt, overflows
little buckles the N actually fluid, confirmed
overflows the refrigerant whether has the greasy
dirt.
● Turns on lathe the engine oil gauge rule, the
inspection engine oil whether does have
bleaches situation of the emulsified.
If has the above two kind of interior to divulge the
phenomenon, possibly for the water pump inner
two seal damages, the engine cooling system
damages or the cylinder and the cylinder head
gasket damages, please first dismantles the right
crank case to say A confirms the replacement water
pump seal, if does not have the question to take
apart for overhaul cooling system of system again
the cylinder head, the cylinder.
Removal of water pump
Loosen the drain bolt to drain out the coolant.
Remove the water hose.
Loosen 4 bolts and remove the pump cover.
Loosen 9 bolts and remove the right cover.
Take off the gasket and dowel pins.
Turn pump impeller clockwise and remove.
Caution
The impeller is provided with left turn thread.
Remove the cir clip from the right crankcase cover.
Remove the water pump shaft and the inner bearing.
Remove the outside bearing by inner bearing
puller.
Rotate the inner ring of bearing, the bearing shall
move smoothly and quietly.
If the bearing does not rotate smoothly or
produces a noise, replace it with new one.
Special tool:
Inner bearing puller
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