TM 5-3810-300-24&P-3
3.3 AIR SHUT-DOWN HOUSING
Assemble Air Shut-Down Assembly
Install Air Shut-Down Housing
The holes for the cam pin handle and the retaining pins
1.
Place the blower screen and gasket assembly in
must be drilled at the time a new service shaft or shut-
position with the screen side of the assembly
down valve are assembled. Refer to Fig. 1 and proceed
toward the blower.
as follows:
2.
Refer to Fig. 2 and mount the air shut-down
housing together with the striker plate gasket and
1.
Place the valve and spring in position in the housing
striker plate (if used) on the blower with bolts and
and slip the shaft in place. The shaft must extend
lock washers and tighten the bolts to 16-20 lb-ft
76" from the side of the housing where the shut-
down latch is assembled. Then, install the pins
which retain the valve to the shaft.
NOTE: The 3/8"-16 x 3-1/4" bolt and the 3/8"-
16 x 2" bolt must be installed, as shown in Fig.
2.
Install a new seal ring at each end of the shaft.
2. The four 1-5/8" bolts are installed in the four
corner bosses of the housing.
3.
Install the cam and cam pin handle on the shaft.
3.
Connect the Bowden wire assembly to the air shut-
4.
Install a washer and retaining pin at the other end of
off cam pin handle.
the shaft.
4.
Start and run the engine at idle speed and no- load.
5.
Assemble the spacer and spring on the latch. Then,
Trip the air shut-down. If the engine does not stop,
slip the attaching bolt through the lock washer, plain
check it for air leakage between the valve(s) and
washer, latch and spacer.
Attach the latch
the striker plate.
If necessary, reposition the
assembly to the housing and tighten the bolt.
valve(s).
5.
Install the air cleaner or air cleaner ducts.
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