Rato R160, Service Manual

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6
Gasoline engine is
overheated
Oil insufficient or wrong oil/gasoline ratio Add engine oil
Exhaust pipe is blocked Clean exhaust pipe
Shroud is leaking Repair damaged part
Cooling fins are blocked by foreign matter Clear cooling fins
Cooling fan is loose and malfunctioning Reinstall it well
Connecting rod deformation to make piston
and cylinder bushing side wear
Replace connecting rod
Cylinder, piston or piston ring is worn,
causing hunting between cylinder and
crankcase
Replace the worn parts
Improper adjustment of engine governor cause
high speed.
Readjust engine governor
Crankshaft main bearing is burnt out Replace main bearing
4-2 PREPARATION OF SERVICING
4-2-1 Safety precautions
WARNING
：
Indicate the possibility of invalid warranty and personal injury or equipment damage if
instructions are not followed.
Please pay special attention to the following:
1.
Strictly set the engine according to the regulated power on the nameplate. Do not
overload, overrun the engine or run it with a low load and at low speed for a long time.
2. Use prescribed grade of gas and diesel. The fuel should be fully deposited and filtered
before being used. Keep the fuel filler clean, change the fuel periodically.
3. Periodically check the installation, connection and the degree of tightness of the fixed
bolt. Tighten it if necessary.
4. Periodically clean the element of the air cleaner, change it when necessary.
5. The engine is air-cooled, so clean the radiator, wind cover and fan in time in order to
ensure the engine can cool normally.
6. The operator should be familiar with the working principle and structure of the gasoline
engine, know how to make an emergency stop and the operation of all controlling parts.
Any one without training is forbidden to operate the engine. Keep periodical
maintenance. Solve problems in time. Do not run the engine when it has malfunction.
7. Run the engine in a well-ventilated place, keep it at least one meter away from building