Overhauling The Water Pump - KTM 990 Adventure Repair Manual

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Overhauling the water pump

– Remove the washer
sealing ring
NOTE: if the water pump wheel cannot be removed because it is being
held by residual thread adhesive, the water pump shaft and the water
pump wheel can be pressed out from the inside after the lock ring
removed.
2
– Remove the outer lock ring
suitable pliers.
– Press the water pump shaft out of the bearing from the outside to
4
the inside. The inner lock ring
– Heat the case evenly in an oven at 150° C; the old bearing will fall
out of the bearing seat by itself and the new bearing can easily be
pressed into the bearing seat by hand. The bearing should fit flush
and tightly after it cools down. If not, press in with the pressing tool
600.29.043.060.
– Insert the water pump shaft in the new bearing from the inside to
the outside.
NOTE: the recess in the water pump shaft should point towards the
inside.
– Mount the lock ring
– Place the protective sleeve
and press in a new shaft sealing ring
5
pressing tool 600.29.043.040. Mount the washer
NOTE: To replace the water pump seal ring see Technical Information,
Chapter 1.
2
from the water pump shaft and pry the shaft
1
out of the case.
2
from the water pump shaft using
3
does not need to be removed.
4
.
3
585.29.005.000 on the pump shaft
5
is
4
until flush using the
2
.
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