Arctic Cat Sno Pro 120 Service Manual page 43

 NOTE: Make sure to install the spring washer
between the rear mount and the tunnel.
8. From step 7, tighten the four front screws to 30 ft-lb,
the six top rear screws to 14 ft-lb, and the lower rear
screw to 25 ft-lb using the following sequence.
9. Tighten the cap screw and lock nuts (from step 4) to
25 ft-lb.
10. Install the access panel to the center belly and chassis
and secure using the torx-head screws. Tighten securely.
11. Tighten the cap screws (from step 3) to 25 ft-lb.
12. Connect the knock sensor and coolant temperature
sensor connectors; then install the spark plug caps.
Secure the coolant temperature sensor connector
with a cable tie.
13. Install the cylinder head vent hose.
14. Place the recoil starter into position and secure with the
cap screws. Tighten in a crisscross pattern to 96 in.-lb.
15. Before connecting the wiring harness plug-ins, clean
the connectors and apply Dielectric Grease to the
seal; then connect all harness connectors making
sure all wiring and coolant hoses are routed properly
as noted in removing. Install the main harness wrap.
 NOTE: Use cable ties to secure the wiring har-
nesses as necessary.
16. Connect the oil hose to the oil pump. Secure with the
clamp.
 NOTE: After securing the oil hose to the oil pump,
remove the bleed screw to allow any air in the hose/
pump to be released.
17. Connect the MAG-side throttle body coolant hose;
then secure with a clamp.
18. Connect the TPS; then lower the throttle body
assembly into the engine compartment.
19. Place the throttle body assembly into position and
PC180B
secure with the flange clamps; then connect the
gasline hose to the throttle body assembly and
tighten the clamp securely.
When installing the throttle bodies, make sure the
gasline hose is properly routed to avoid premature wear
and/or contact with exhaust components.
20. Connect the PTO-side throttle body coolant hose;
then secure with a clamp.
21. Fill the cooling system (see Liquid Cooling System
in Section 3).
22. Install the oil injection control rod to the throttle
body; then verify oil-injection pump synchronization
(see Section 4).
23. Using the existing clamps, secure the intake flanges
to the throttle bodies.
24. With the air intake boot properly positioned on the
throttle bodies, secure with the existing clamps.
25. Install the shock mount bracket support; then using
new lock nuts, secure the support to the shock mount
brackets and tighten to 20 ft-lb.
PC178B
26. Insert the servomotor cable ends into the slot in the
pulley; then connect the servomotor connector.
Secure the cables with the holder.
CAUTION
PC179A
2
PC186A
2-23