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Closed Oil DrainValve
and -__
Locked D_in Tube
Position
Ca
CLEAN AIR SCREEN
Air screen must be kept free of dirt and
chaff to prevent engine damage from
overheating. Clean with a wire brush or
compressed air to remove dirt and
stubborndried gum fibers.
ENGINE COOLING FINS
Remove any dust, dirt or oil from engine
coolingfins to prevent engine damage
from overheating.
1. Remove oil fill cap/dipstick.
2. Remove hex boltsfrom blower
housing and lift housing off engine.
3. Cover oil fill opening to prevent entry
of dirt.
4. Use compressed air or stiff bristle
brush to thoroughly clean engine
cooling fins.
5. To reassemble, reverse above
procedure.
HelXs BlowerHousing Hex
Dipstick Air creen
Tube _Spark
" _" Plug
Engine Cooling Fins
AIR FILTER
Your engine will not run properly using a
dirty air filter. Clean the foam pre-cleaner
after every 25 hours of operation or every
season. Service paper cartridge every
100 hours of operation or every season,
whichever occurs first.
Service air cleaner more often under
dusty conditions.
1, Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
2. Slide foam pre-cleaner off cartridge.
3. Wash it [nliquid detergent and water.
4. Squeeze it dry in a clean cloth.
5. Saturate it in engine oil. Wrap it in
clean, absorbent cloth and squeeze to
remove excess oil.
NOTE: If very dirty or damaged, replace
pre-cleaner.
6. Reinstall pre-cleaner over cartridge.
7. Reinstall cover and secure with
knob(s).
TO SERVICE CARTRIDGE
1. Remove cartridge nut.
2. Carefully remove cartridge to prevent
debris from entedng carburetor.
Clean base carefully to prevent debds
from entedng carburetor.
3. Clean cartridge by tapping gently on
flat surface.
NOTE: Ifvery dirty or damaged, replace
cartridge.
4. Reinstall cartridge, nut, precleaner,
cover and secure with knob(s).
IMPORTANT: Petroleum solvents, such
as kerosene, are notto be used to clean
the cartridge. They may cause deteriora-
tionof the cartridge. Do not oil cartridge.
Do not use pressurized air to clean or dry
cartridge.
CoverKnob
Nut
Cartridge
Pre-Cleaner
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could
create a fire hazard and/or damage.
SPARK PLUGS
Replace spark plugs at the beginning of
each mowing season or after every 100
hours of operation, whichever occurs first.
Spark plug type and gap setting are
shown in "PRODUCT SPECIFICATIONS"
section of this manual.
IN-LINE FUEL FILTER
The fuel filter should be replaced once
each season. Iffuel filter becomes
clogged, obstructingfuel flow to carbure-
tor, replacement is required.
1. With engine cool, remove filter and
plug fuel line sections.
2. Place new fuel filter in position in rue]
line with arrow pointingtowards
20 carburetor.
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