Arctic Cat Sno Pro 120 Service Manual page 192

2. Install the mounting bracket to the turbo; then with
the backing plate properly positioned as shown,
secure the bracket to the turbocharger with the lock
nuts and finger tighten only.
3. With the gasket in place, install the turbocharger
onto the exhaust manifold and secure with the flat
washers and lock nuts. Tighten only until snug.
4. Install the lower heat shield onto the turbocharger
and exhaust manifold with the four cap screws.
Tighten to 56 in.-lb.
5. With the gaskets in place, install the exhaust mani-
fold and turbocharger assembly to the engine; then
tighten the exhaust manifold to 15 ft-lb.
6. Install the three lock nuts securing the turbocharger
mounting bracket to the engine. Tighten the nuts to
30 ft-lb and bend each tab to secure the nut.
7. Tighten the two lock nuts (from step 2) to 30 ft-lb.
3-30
8. Using a crisscross pattern, tighten the lock nuts
(from step 3) securing the turbocharger to the
exhaust manifold to 30 ft-lb.
9. Connect the coolant feed hose and oil return hose to
the turbo, release the clamp, and secure the hoses
with the hose clamps.
PC235A
10. With the turbocharger secured, connect the oil feed
hose with both banjo bolts and four new crush wash-
ers. Tighten to 11 ft-lb.
PC231
11. Secure the left-side front spar to the chassis; then
install the two cap screws and nuts securing shock
mount support bracket. Install rivet (A) through the
heat shield and into the left-side spar. Tighten cap
screws to 23 ft-lb.
PC234A
PC236
PC230A
PC233A