Section 5 - Maintenance
90-8M0074352
eng
OCTOBER 2012
Page 73
1. Gently lift the top back edge of the silencer and pull forward to remove.
a -
Silencer
b -
Flame arrester
2. Loosen the flame arrester clamp and remove the flame arrester.
a -
Flame arrester
b -
Flame arrester clamp
3. Clean the flame arrester with solvent and dry with compressed air or set aside and allow to air dry completely.
4. Install the flame arrester and tighten the clamp to the specified torque.
Description
Nm
lb‑in.
lb‑ft
Flame arrester clamp
6.2
55
–
5. Install the silencer.
Cleaning the IAC Muffler (Non‑DTS Models Only)
!
WARNING
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.
a
b
50395
a
b
50396