Makita PE3450H Instruction Manual page 18

CLEANING OF FUEL FILTER
WARNING:
• Shut off the engine. Keep away from open flames. Do not smoke.
Interval of Cleaning and Inspection: Monthly (every 50 operating hours)
The fuel filter is used to filter the fuel required by the carburetor. A periodical visual inspection
of the fuel filter is to be conducted.
1) Open the fuel tank cap, use a wire hook and pull out the suction head through the tank
opening.
2) Remove the hose clamp and pull out the fuel filter from fuel pipe.
3) Wash the fuel filter with kerosene.
4) After washing, reassemble it.
5) If the filter is hard or clogged up, replace it with new one.
Replace the fuel filter at least quarterly to ensure an enough fuel supply to the carburetor. Oth-
erwise an insufficient fuel supply may cause the engine start failure and limited maximum
speed.
After checking, cleaning or replacing, fix the fuel filter onto the fuel pipe with the hose clamp.
Push the fuel filter in all the way to the bottom of the fuel tank.
REPLACEMENT OF FUEL PIPE
WARNING:
• Shut off the engine. Keep away from open flames. Do not smoke.
Interval of Cleaning and Inspection: Daily (every 10 operating hours)
Replacement:
Replace the fuel pipe every year, regardless of operating frequency. Fuel leakage may lead to
fire.
If any leakage is detected during inspection, replace the fuel pipe immediately.
INSPECTION OF BOLTS, NUTS AND SCREWS
– Retighten loose bolts, nuts, etc.
– Check the fuel cap and oil cap for tightness. Check for fuel and oil leakage.
– Replace damaged parts with new ones for safety operation.
CLEANING OF PARTS
– Always keep the engine clean by wiping down with a cloth rag.
– Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins may cause piston seizure.
Annually (every 200 operating hours)
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Hose clamp
Fuel pipe
Fuel pipe
Fuel filter