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Section 4 - Maintenance
2.
Loosen the flame arrestor clamp and remove the flame arrestor.
3.
Clean the flame arrestor with solvent and dry with compressed air or set aside and allow to air dry completely.
4.
Install the flame arrestor and tighten the clamp to the specified torque.
Description
Flame arrestor clamp
5.
Install the silencer.
Cleaning the IAC Muffler (Non‑DTS Models Only)
Fuel is flammable and explosive. Ensure that the key switch is off and the lanyard is positioned so that the engine cannot
start. Do not smoke or allow sources of spark or open flame in the area while servicing. Keep the work area well ventilated
and avoid prolonged exposure to vapors. Always check for leaks before attempting to start the engine, and wipe up any
spilled fuel immediately.
1.
Locate the idle air control valve (IAC) on the rear of the engine.
2.
Remove the IAC muffler from the slot in the plenum.
c
3.
Inspect the muffler for holes, cracks, or deterioration. Replace if damaged.
IMPORTANT: Do not use a cleaner that contains methyl ethyl ketone and do not use cleaner on electrical connections.
4.
Clean the muffler with warm water and mild detergent. Replace if necessary.
5.
Allow the IAC muffler to dry completely before use.
6.
Install the IAC muffler.
Page 58
a
b
a
b
44887
a -
Flame arrestor
b -
Flame arrestor clamp
50396
WARNING
!
a -
IAC muffler
b -
Plenum
c -
IAC
Nm
lb‑in.
6.2
55
90-8M0128976
MAY 2017
eng
lb‑ft
–
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