Arctic Cat Sno Pro 120 2011, Service Manual

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
NOTE: On the 500 cc, secure the connecting rods
with rubber bands on the cylinder studs. On the 600
cc, secure the connecting rods with rubber hoses.
13. Apply a thin coat of grease to the sealing surface of
the oil-injection pump/water pump driveshaft; then
place the Oil Seal Protector Tool at the end of the
shaft.
FS191
14. Rotate the oil-injection pump/water pump driveshaft
while carefully pushing it through the oil and water
pump seals until the driveshaft and crankshaft gears
engage; then remove the oil seal protector tool (A)
from the end of the shaft.
IO025A
15. Position the shim (A) on the oil-injection pump end
of the driveshaft; then with a new O-ring in place,
install the oil-injection pump retainer (B).
IO026A

NOTE: For assembling purposes, apply a light coat
of oil to the O-rings before installing.
16. With a new O-ring in place, install the oil-injection
pump making sure the pump shaft slot and pump
driven gear shaft align. Secure with two screws
(coated with blue Loctite #243). Tighten the two
screws to 96 in.-lb.
17. Position the ceramic/rubber seal retainer and seal
into the back side of the water pump impeller with
the ceramic face of the seal directed out.
CM168
18. Using a suitable tool, press the seal into position
making sure its marked side is positioned towards
the rubber seal cup; then apply a thin coat of grease
to the seal outer surface.
CAUTION
Be very careful not to damage the seals when installing
the oil pump driveshaft. Be certain to use the seal instal-
lation tool. Twist the driveshaft clockwise as it enters the
seal area and while pushing it through the seals.
CAUTION
Be sure the oil-injection pump/water pump driveshaft is
properly aligned with the slot of the oil-injection pump.
The pump will be damaged if these two components are
not aligned.
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