wsm RTV900 Workshop Manual page 41

RTV900, WSM
Cleaning Muffler
This vehicle is equipped with a spark arrester muffler approved
by the U.S. Forest Service. If requires periodic maintenance to
ensure it's effectiveness.
CAUTION
• Before touching any part of an exhaust system, be
absolutely sure that it has sufficient time to cool.
• Always wear safety goggles and a (face) mask.
• Keep head and face away from possible drainage.
• The particulate matter contained in the muffler contains
chemicals that are harmful to people, animals and marine
life.
• Be sure to stop the engine before removing the drain plug.
Cleaning Procedure
The first interval for clean out will be after approx. 50 hours of
operation.
1. Shut the vehicle engine off and then remove the Spark Arrester.
2. The vehicle engine shall be restarted and run at 1/2 throttle for 1
minutes to pressurized the muffler and force the particulate to
drain out the opening in the spark arrester.
3. After the 1 minutes time period, shut the engine down, reinstall
the plug, and tighten the bolts 35 lbf·ft of torque.
4. Repeat this procedure every 100 hours (with every oil change) as
part of a first echelon maintenance schedule for the lift of the
vehicle.
IMPORTANT
• Visually check the muffler for cracks or holes in the body,
weldment or pipes at regular intervals.
• Replace the entire muffler if it is damaged.
• Do not operate the vehicle with a damaged muffler.
(1) Drain Plug
Checking Wheel Screw Torque
CAUTION
• Never operate vehicle with a loose wheel screw.
• Any time screws are loosened, retighten to the specified
torque.
• Check all screw frequently and keep them tight.
1. Check wheel screws (1) regularly especially when new. If they
are loose, tighten them as follows.
Tightening torque Wheel mounting screw
(1) Wheel Mounting Screw
G-25
G GENERAL
W1058476
75 to 90 N·m
7.6 to 9.2 kgf·m
55.3 to 66.4 lbf·ft
W1059106
KiSC issued 03, 2008 A