AIR SHUTDOWN HOUSING
2. Refer to Fig. 1 and 3 and secure the air shutdown housing to the blower with bolts, washers, and
a. Install and finger-tighten the six attaching bolts shown in Fig. 3.
b. Tighten the two center bolts to 16-20 lb ft (22-27 Nm) torque.
c. Then tighten the four corner bolts to 16-20 lb ft (22-27 Nm) torque.
A power wrench should not be used to tighten the above bolts.
3. Reset the air shutdown to the run position.
4. Start and run the engine at idle speed and no load. Trip the air shutdown. If the engine does not stop,
check it for air leakage between the valve and the gasket. If necessary, reposition the valve.
Figure 3. Location of Air Shutdown Housing Mounting Bolts (In-Line Engines)