CLEANING OF FUEL FILTER
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Interval of Cleaning and Inspection: Monthly (every 50 operating hours)
Suction head in the fuel tank
–The fuel filler (1) of the suction head is used to filler the fuel required by the carburetor.
–A periodical visual inspection of the fuel filter is to be conducted. For that purpose open the tank cap, use a wire hook and pull out the suction head through the tank opening. Filters found to have hardened, been polluted or clogged up are to be replaced.
–Insufficient fuel supply can result in the admissible maximum speed being exceeded. It is therefore important to replace the fuel filter at least quarterly to ensure satisfactory fuel supply to the carburetor.
Fuel filter (1) Hose clamp
Fuel pipe
REPLACEMENT OF FUEL PIPE
CAUTION: INFLAMMABLES STRICTLY PROHIBITED
Interval of Cleaning and Inspection: Daily (every 10 operating hours)
Replacement: Annually (every 200 operating hours)
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 oil pipe immediately.
Fuel pipe
INSPECTION OF BOLTS, NUTS AND SCREWS
–Retighten loose bolts, nuts, etc.
–Check for fuel and oil leakage.
–Replace damaged parts with new ones for safety operation.
CLEANING OF PARTS
–Keep the engine always clean.
–Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will cause seizure.
REPLACEMENT OF GASKETS AND PACKINGS
In reassembling after the engine is dismounted, be sure to replace the gaskets and packings with new ones. Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.
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