3. Remove the two bolts and lock wash-
ers that attach the pump outlet flange to
the cylinder block. Remove the flange
and packing ring.
4. Remove the three bolt seal assemblies
that attach the pump to he blower assem-
bly.
5. Withdraw the pump and remove the
gasket.
Disassemble Water Pump
1. Remove the pump cover and gasket.
NOTE
Clean the corrosion from around
the impeller and shaft before sepa-
rating the shaft and bearing as-
sembly from the impeller, seal and
pump body.
Figure 11F-2. Water Pump With
2. Support the pump on its mounting
Ceramic Insert in Impeller
flange in an arbor press (Figure 11F-5
on page 11F-7). Place a short steel rod
The impeller is a press fit on one end of
on the end of the shaft and press the
a stainless steel shaft.
shaft and bearing assembly from the im-
peller, seal and pump body.
The pump is mounted at the front end of
the blower (Figure 11F-3) and is driven
3 . Remove the impeller and seal assembly
by the lower blower rotor shaft. The
from the pump body.
drive coupling, pressed on the end of
pump shaft, has an integral oil
thrower that shrouds the flange end of
the pump body and deflects the oil away
from the bearing.
Lubrication
The sealed type ball bearing is filled
with lubricant at the time it is assembled
to the pump shaft, and no further lubri-
cation is required.
R e m o v e Water Pump
Refer to Figure 11F-4 on page
11F-7
and
r e m o v e the pump as follows:
1. Open the drain cock in the pump body
and drain the cooling system.
2. Loosen the hose clamps and slide the
water pump inlet hose back against the
pump cover.
Figure 11F-3. Water Pump Mounting