Cobra CX50P3, Manual, Page: 60 / 78

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3. Using a 3mm hex key, remove the screw in
the water pump shaft stop hole.
4. Stick a 2.5mm hex key in the water pump
shaft cross hole, and remove belt retainer
screw using a 4mm hex key. (Figure 41 -
item 1)
5. Remove belt retainer, water pump belt and
water pump fan pulley.
6. Remove bearing retainer screw using a 3mm
hex key.
7. Thread a slide hammer onto the end of the
water pump shaft and remove the assembly.
8. Clean any debris or particles from the bore
and use some light emery cloth to remove
any scratches in the surface that the removal
process may have created.
9. Lubricate the bore with grease.
10. Prepare for assembly by installing the water
pump assembly into the assembly tool and
align the tool with engine case making sure
alignment pin is in proper hole.
CAUTION:
Damage may occur if one attempts to install the water pump assembly and it’s
not aligned correctly in the bore.
11. Holding the tool squarely over the water pump
assembly tap it firmly into place.
12. The assembly is installed properly when the
retaining screw can be tightened and it does
not cause a bind on the spinning shaft (use
medium strength thread lock on the retainer
screw).
NOTE:
It may be necessary to tap the outer
bearing race in (hammer & blunt punch) or out
(with slide hammer) to insure proper free
operation of the shaft while the screw is tight.