Jonsered BB2250 - Manual (Page 15)

English
15
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.
2. Wash the filter element with neutral detergent and warm water and then dry
completely. (Wash the filter once a week)
3. Moisten the filter element with a small amount of 2 cycle 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.
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.
[
(1) Air Cleaner Cover (2) Screen
(3) Cleaner Body (4) Element
(5) Packing
■ 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
F13
F14
F15
Maintenance
BB2250_English.fm Page 15 Thursday, December 10, 2009 1:35 PM