Husqvarna 325S25 Operator's Manual page 12

325S25
10. Maintenance
• When replacing plugs, please use designated items.
CHAMPION (RCJ-6Y)
IMPORTANT
• If too much fuel is absorbed or poor quality oil is used,
the spark plug electrodes become dirty, making the
engine harder to start.
• Note that using any spark plug other than those
designated may result in the engine failing to operate
properly or in the engine becoming overheated and
damaged.
• To install the spark plug, first turn the plug until it is
finger tight, then tighten it a quarter turn more with a
socket wrench.
TIGHTENING TORQUE:
Adjusting the engine
Although the engine is adjusted on leaving the factory,
after repeated use it may sometimes require readjustment
or maintenance. Please consult your original supplier
regarding inspections and maintenance other than those
shown below.
Idling speed
• If the engine stalls or the pump continues to move
when in idling position with the throttle lever completely
lowered, readjust the engine speed using the idle
speed adjuster on the left of the carburetor.
•
a. idle speed adjuster
b. increase speed
c. reduce speed
Turn the idling adjustment screw:
• counter-clockwise to reduce engine speed
• clockwise to increase engine speed
GB-12
14.7 to 21.6 N.m.
(150 to 220 kgf-cm)
NOTE
• Warm up the engine before adjusting the idling speed.
Throttle wire play
Throttle wire play should be 1 to 2 mm. After completely
returning the throttle lever, take the throttle wire at the
carburetor end in your fingers and give a light tug. If
the play is too great or too small, readjust the position
of the wire retaining nut. Loosen the lock nut and turn
the wire retaining nut clockwise (screw in) to increase
the play and counter-clockwise (unscrew) to reduce it.
After adjusting, please fasten the wire retaining nut by
tightening the lock nut.
•
a. lock nut
b. wire retaining nut
c. wire sleeve
MUFFLER
WARNING
• Inspect periodically, the muffler for loose fasteners,
any damage or corrosion. If any sign of exhaust
leakage is found, stop using the machine and have
it repaired immediately.
• Note that failing to do so may result in the engine
catching on fire.
PROCEDURES TO BE PERFORMED AFTER EVERY
100 HOURS OF USE
1. Remove the muffler, insert a screwdriver into the vent,
and wipe away any carbon buildup. Wipe away any
carbon buildup on the muffler exhaust vent and cylinder
exhaust port at the same time.
2. Tighten all screws, bolts, and fittings.
3. Check to see if any oil or grease has worked its way in
between the clutch lining and drum, and if it has, wipe
it away using oil-free, lead-free gasoline.