LONCIN LC3500i - Unstable Speed

Chapter IV Disassembly & Repair
- 14 -
4-1-3 Unstable speed
Fuel oil is of low level/of poor
quality/polluted
Fuel filter blocked
(Refer to Section 3-4)
(Use new fuel oil of specified quality)
(Refer to Section 4-4-4)
Carburetor blocked
(Refer to Section 4-4-2)
(Refer to Section 4-4-1)
(Refer to Section 3-7)
Unstable
speed
Fuel system
Compression
system
Improper adjustment of valve clearance
Wear and air leakage of valve seat
Wear of camshaft
(Refer to Section 4-4-4)
Speed-regulating
system
Speed-regulating step motor damaged
(Refer to Section 4-5-5)
Speed-regulating part of converter
damaged
(Add new engine oil)
Others
Engine oil level too low
(Disconnect surplus load)
Excessive electrical load