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 TM 55-1905-220-14-5
3-65.2. SHUT-DOWN SOLENOID-MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
TESTING (Cont)
NOTE
When the engine is operating at idle speed or above, the air shut-down valve
will completely close off the air from the engine, causing it to stop. However,
when the engine is operating at the very low speeds that are necessary when
performing the test on the fuel shut-down switch and the lubricating oil
shutdown switch, the air shut-down solenoid will close the valve, but the engine
may continue to run very slowly. This may be due to insufficient force exerted
on the back of the valve by the low air flow needed to completely close the
shut-down valve.
c.
Jumper
Remove.
wire
d. Cover
Replace.
and
screw
3-1153
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