Arctic Cat Sno Pro 120 Service Manual page 128

17. With the new O-ring (lightly coated with oil) in
place, install the oil-injection pump making sure the
pump shaft slot (A) and pump driven gear shaft (B)
align. Secure with two screws (coated with blue Loc-
tite #243). Tighten the two screws to 96 in.-lb.
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.
18. Place the lower union assembly (with new gaskets)
into position and secure with the gaskets and union
cap screw. Tighten to 48 in.-lb.
CAUTION
Always use new gaskets and assure that a gasket is in
place on each side of the union prior to securing the
union cap screw to the crankcase.
2-108
19. With new gaskets, install the reed valve assemblies
and intake flanges using the pattern shown. Tighten
to 96 in.-lb; then secure the intake flange oil hoses to
the oil pump and secure with the clamps.
CM167A
20. Install the coolant temperature sensor (threads coated
with white Loctite #575) and tighten to 18 ft-lb; then
secure the sensor wire to the sensor with a cable tie.
CM153A
21. Position the ceramic/rubber seal into the back side of
the water pump impeller with the ceramic face of the
seal directed out.
IO020A
IO021A
IO022A
CM172