
Part IV Disassembly and Maintenance
30
normal if it is not conductive between wires.
3) When turning off the gasoline engine, drain off the oil, disconnect the oil level switch wire,
and check the conductivity between yellow and green wires. It is normal if it is conductive
between wires.
4-1-8 Overheating of general-purpose gasoline engine
Phenomenon
Cause
Remedy
Gasoline engine
overheating
Insufficient oil
Fill sufficient oil
Exhaust port is blocked
Clean exhaust port
Leakage of air director
Repair damaged place
Sundries blockage in the middle of cooling fins Clean cooling fins
Deformation of connecting rod causes the wears
of the piston and cylinder liner edge
Replace the connecting rod
Wears of cylinder, piston and piston ring causes
air leakage between cylinder and crankcase
Replace worn parts
Gasoline engine governor is improperly
adjusted, causing the speed to be too high
Re-adjust the governor
Crankshaft main bearing burning
Replace the main bearing
Yellow wire (gasoline
engine switch)
Yellow wire
(oil level switch)
Green wire
(ground wire)
Содержание R80
Страница 1: ...R80 R420 Type V Horizontal Axis Maintenance Manual Chongqing RATO Technology Co Ltd...
Страница 17: ...Part II Dimension and Torque 13 2 1 2 R300 V...
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Страница 19: ...Part II Dimension and Torque 15...
Страница 38: ...Part IV Disassembly and Maintenance 34 8 Oil listing label 9 Oil filling label...
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