Husqvarna 24B Instruction Manual page 8

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WARNING:
Avoid touching muffler
unless engine and muffler are cold. A hot
muffler can cause serious burns.
WARNING:
Disconnect the spark
plug before performing maintenance except
for carburetor adjustments.
CHECK FOR LOOSE
FASTENERS AND PARTS
S Spark Plug Boot
S Air Filter
S Housing Screws
CHECK FOR DAMAGED OR
WORN PARTS
Contact an authorized service dealer for re-
placement of damaged or worn parts.
S Throttle Lever - - Ensure throttle lever func-
tions properly by moving the throttle lever to
the STOP position. Make sure engine
stops; then restart engine and continue.
S Fuel Tank. Discontinue use of unit if fuel
tank is damaged or leaks.
S Vacuum Bag - - Discontinue use of vacuum
bag if it is torn or damaged.
INSPECT AND CLEAN UNIT & LABELS
S After each use, inspect complete unit for
loose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter-
gent.
S Wipe off unit with a clean dry cloth.
CLEAN AIR FILTER
Air Filter
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation or yearly, whichever
comes first.
1. Clean the cover and the area around it to
keep debris from falling into the carburetor
chamber when the cover is removed.
2. Remove parts as illustrated.
NOTE:
Do not clean filter in petrol or other
flammable solvent. Doing so can create a
MAINTENANCE
fire hazard or produce harmful evaporative
emissions.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Apply a few drops of oil to the filter;
squeeze filter to distribute oil.
6. Replace parts.
REPLACE SPARK PLUG
Replace spark plug each year to ensure the
engine starts easier and runs better. Set
spark plug gap at 0.025 inch. Ignition timing is
fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by running it dry of
fuel, then remove fuel cap/retainer assembly
from tank. Pull filter from tank and remove it from
fuel line. Install new fuel filter on fuel line; reinstall
parts.
Air Filter
Cover
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are secure and tightened properly to
prevent damage.
Muffler Cover
Screws
Screws
1. Loosen and remove the 2 screws from the
muffler cover.
2. Remove the muffler cover.
3. Tighten the 2 muffler mounting screws se-
curely.
4. Reinstall muffler cover and 2 screws.
Tighten securely.
-- 8 --
Fuel Line
Fuel Filter
Mounting
Screw
Holes

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