9 EN
2. Clean the filter with warm soapy water or in a nonflammable
solvent and then leave to dry.
3. Dip the element in clean engine oil and squeeze out the excess oil.
4. Reinstall the foam filter element and the filter cover.
MAINTENANCE SCHEDULE
(1) Clean more often in dusty environments.
(2) These operations should be performed by your servicing dealer.
TROUBLESHOOTING
Perform this maintenance at
every indicated month or
operating hour interval,
whichever comes first.
Frequency
Each
time
used
Every 3
months
or
25 hours
Every 6
months
or
50 hours
Every
year
or 100
hoursItem
Intervention
Engine cooling fins
Clean
Condition of
cutting
attachment and
guard
Check
Zone around head Clean
Operation of
throttle trigger
Check
Operation of Stop
button
Check
Idle/Clutch Check
Air filter element
Check
Clean (1)
Air filter housing Clean
(1)
Zone around spark
plug
Clean
Spark plug
Check
Clean
Zone around
carburettor
Clean
Fuel system Check Every 2 years (replace if necessary) (2)
Fuel filter Check
(2)
Spring and clutch
pads
Check
(2)
Idle speed
Check (2)
Adjust
(2)
Engine oil
Check
Replace
Replace after 10 service hours and then
every 6 months or 50 service hours
Fuel tank Clean
Valve clearance Adjust (2)
Nuts and bolts
Check /
Tighten
Squeeze and dry SqueezeDip in oilClean
Do not twist. Do not twist.
Problem Probable cause Page
Engine does not start. 1. No fuel. 5
2. Start/Stop button is in Stop
position.
6
3. Spark plug cord incorrectly
attached or disconnected.
8
4. Faulty spark plug or incorrect
gap.
8
5. Engine flooded. Remove spark
plug, dry it with a cloth and
reinstall it.
8
6. Fuel filter is dirty. Clean it. -
Starting difficult or
loss of power.
1. Impurities in fuel tank. 5
2. Dirty air filter. 8
3. Water in fuel tank and in fuel. -
4. Fuel tank cap vent and /or
carburettor clogged.
-
Uneven running. 1. Faulty spark plug or incorrect
gap.
8
2. Dirty air filter. 8
Engine overheats. 1. Spark plug gap incorrect. 8
2. Dirty air filter. 8
3. Engine cooling fins clogged. -
4. Oil level too low. 6
5. Starter pulley fouled by grass
cuttings, etc.
-
Grass trimmer
vibrates excessively.
1. Engine bolts loose. -
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