Cleaning Muffler - Kubota RTV900 Operator's Manual

BCleaning Muffler
To avoid personal injury:
A Before touching any part of an exhaust system,
be absolutely sure that it has sufficient time to
cool !
A Always wear safety goggles and a (face) mask.
A The particulate matter contained in the muffler
contains chemicals that are harmful to people,
animals and marine life.
A If you are unable to do this work, have it done
by your KUBOTA Dealer.
C Cleaning spark arrester of muffler
This screen type spark arrester was examined, tested,
and qualified in accordance with the USDA Forest Service
Standard 5100-1c, "Spark
Combustion Engines" for the RTV900.
Maintenance & cleanout procedure:
The screen type spark arrester should be removed,
cleaned, and inspected after every 100 hours of use.
1. The spark arrester is located inside of the exhaust
pipe, and is fastened with two bolts.
2. Unfasten the bolts and remove the spark arrester.
3. Shake loosened particles out of the screen assembly
and lightly clean the screen with wire brush. Soak in
solvent and again clean with wire brush if necessary.
4. If any breaks in the screen or weldments are
discovered, the assembly must be replaced.
5. Return the spark arrester to the muffler body and
refasten the bolts.
A Visually check the muffler for cracks or holes in the
body, weldment or pipes at regular intervals.
A USDA approval requires clearance between spark
arrester sleeve and exhaust pipe to be no larger than
0.023" (0.584 mm).
A Replace the entire muffler if it is damaged.
A Do not operate the vehicle with a damaged muffler.
Arresters for Internal
PERIODIC SERVICE
(1) Muffler
(2) Bolt
(3) Spark arrester
(4) Gasket
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