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Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road
engine repair establishment or individual.
WARNING
Make sure that the engine has stopped and is cool before performing
any service to the blower. Contact with rotating blower fan or hot
muffler may result in a personal injury.
AIR CLEANER
- Check the air cleaner before use.
A clogged air filter may increase fuel consumption while cutting down the engine power.
- Never operate the blower without an air filter or with a deformed or broken filter element because unfiltered dusty
air will quickly ruin the engine.
CLEANING AIR FILTER:
1. Unscrew the 2 knobs and remove the air cleaner cover.
(1) Knob (2) Element
(3) Screen (4) Packing
2. Wash the filter element with neutral detergent and warm water and then dry
completely.
(Clean the air filter once in the week.)
3. Moisten the filter element with a small amount of filter oil.
NOTE
- Do not apply 4 cycle motor oil as they may damage element.
- Do not use mixture gasoline. This type of gasoline does not contain
much of oil, so that the element becomes dry after a few hours.
- Soak the filter element into filter oil.
- Squeeze the element to remove excess oil so that it weighs 2 to 3 times
heavier than it was dried.
4. Reinstall the element into the packing,set the packing into the air cleaner
body.
Never forget to attach the screen properly. If the screen is not attached, the
cleaner will not seal properly and the dusts come into the cylinder.
5. Reinstall the air cleaner cover and screw the 2 knobs.
FUEL FILTER
- A clogged fuel filter may cause poor acceleration of the engine. Check
periodically to see if the filter is clogged with dirt. The filter can be taken out of
the fueling port using a small wire hook. Disconnect the filter assembly from
the fuel pipe and unhook the retainer to disassemble it. Clean the components
with gasoline.
(1) Screen (2) Element (x 2)
(3) Holder (4) Retainer
System/Compornent Procedure
Daily or
Before use
Every 25
hours after
Every 50
hours after
Every 100
hours after
Air Filter Inspect/Clean x
Fuel Leaks Inspect/Replace x
Fuel Filter Inspect/Replace x x
Fuel Line Inspect/Clean x
Spark Plug Inspect/Clean x
Muffler Inspect/Clean x
Bolts on muffler Tighten x
Entire unit Inspect/Replace x
Muffler Spark Arrester Inspect/Clean x
Cooling System Inspect/Clean x
Screws/Nuts/Bolts Tighten x
Cylinder Exhaust Port Inspect/Clean x
(3)
(4)
(2)
(1)
F17
F18
Maintenance
150BT_US.fm Page 16 Friday, April 10, 2009 9:51 AM