Rato R80, Руководство по обслуживанию, Страница: 33 / 79

Part IV Disassembly and Maintenance
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4-1-5 Abnormal exhaust gas color
Phenomenon Cause Remedy
Black smoke
Excessive wear of piston, cylinder and piston
ring
Replace worn parts
Gasoline engine overheating Find the cause and eliminate the fault
There is carbon deposit in the combustion
chamber.
Clear carbon deposit
Unqualified gasoline Replace with qualified gasoline
Blockage of air filter Clean filter element
4-1-6 Unable to ignite
Phenomenon Reason Remedy
Unable to ignite
Fuel
supply system
Fuel used up Refuel
Carburetor is clogged Check oil way and dredge it
Fuel leakage of float chamber Repair float needle valve
Needle valve is stuck
Disassemble the float chamber, and
remedy the trouble
Ignition system
Spark plug is broken through
with carbon deposit and short
circuit
Replace the spark plug
The side electrode of the spark
plug fell off Replace the spark plug, and remove
fallen object
Falling-off of HV wire Re-welding
Breakdown and short circuit of
ignition coil
Replace the ignition coil
Shutdown line is placed on the
body
Find short circuit point and re-insulate
Others
Severe cylinder scraping,
falling-off of the valve
Repair and replace damaged parts
4-1-7 Failure of oil alarm system
Check the oil alarm system as follows.
1) In the operating state of the gasoline engine, disconnect the yellow wire on the telephone
switch of the gasoline engine and ground it through the gasoline engine. Make sure that
the alarm indicator lights up and the gasoline engine stops.
2) In the closing state of the gasoline engine, disconnect the oil level switch wire when the oil
meets the requirements. Check the conductivity between yellow and green wires. It is