7-14 Published 11-22-2016, Control # 345-12
POWER TRAIN RT9130E-2 SERVICE MANUAL
Check the condition of the valve and lips frequently and keep
them clean. The valve lips should be open only when the
engine is shut down, or running at low idle speed. If the valve
is turned outside in, check for a clogged air cleaner inlet.
Malfunction of this valve does not reduce the air cleaner
effectiveness, but does allow the element to get dirty faster
and reduces serviceable life. If a valve is lost or damaged,
replace it with a new valve of the same part number.
Duct Work
1. Check the intake pipe for accumulation of leaves, trash,
and other debris that could restrict air flow.
2. Check all mounting hardware for security to eliminate
possible vibration of intake piping. Such vibration leads
to early failure of hoses, clamps, and mounting parts,
and can cause hoses to slip off the connecting pipes,
allowing un-filtered air into the engine air intake.
3. Check hoses for cracks, chafing, or deterioration, and
replace at the first sign of probable failure.
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