Arctic Cat 650 Twin2004, Service Manual

Page: 98 / 210

4-15
4
Water Pump/Alternator
Cover

NOTE: Check for water pump seal leakage by
examining drain catch tank (A).
KX383
1. Drain the coolant; then remove hoses (A), cap
screws (B), and the water pump cover (C).
Account for the gasket and two alignment pins.
KX378
2. Remove the recoil starter (see Removing Left-Side
Components in Section 3); then using a suitable
holding wrench (B) to hold the starter cup (A),
loosen the impeller (C) by turning
counterclockwise.
KX379
3. Remove the alternator cover (see Removing
Left-Side Components in Section 3); then using a
suitable bearing driver, remove the water pump
bearing from the alternator cover.
4. Press out the mechanical seal (A) and oil seal (B)
from the inside of the alternator cover using
bearing driver (C).
ATV2114
5. Apply high temp grease to the oil seal lip; then
press oil seal (A) from the outside of the alternator
cover until flush with (B).

AT THIS POINT
If there is no coolant in the catch tank, proceed
to step 1 to inspect the impeller.

AT THIS POINT
If the impeller is corroded or damaged, replace
the impeller; then proceed to step 10. If
additional service on the water pump/alternator
cover is necessary, proceed to step 3.
! CAUTION
If the mechanical seal, oil seal, or the ball bearing
is removed, always replace all three as a set. Be
careful not to block the inspection hole with the
oil seal. If the inspection hole is blocked, coolant
will pass through the oil seal and flow into the
crankcase causing severe engine damage.