Shandong Huasheng Zhongtian Machinery Group Co., Ltd. Shandong Huasheng Zhongtian Engineering Machinery Co., Ltd.
14
2.
Power
is
insufficient
Symptom Cause
Remedy
Air filter elements are clogged
Clean it
Spark plug malfunctions
Check and replace it
Suck air from carburetor connection
Fasten
Water is mixed in fuel
Replace fuel
Gasoline engine overheats
Stop the engine and cool it; do not run it with heavy
load for a long time
Muffler has carbon deposition
Clear off the carbon deposition
Compression
performance is
normal;
A failure in
stalling
Cylinder air outlet has carbon deposition
Clear off the carbon deposition
Piston ring is sintered
Clean the ring groove or change the piston ring
Internal wall of cylinder is damaged or
deformed
Replace cylinder body
Compression
performance is
abnormal;
A failure in
stalling
Piston and piston ring are worn
Replace
Fuel concentration is too low
Adjust the carburetor
Cylinder body has carbon deposition
CLEAR
Overheat
Cylinder radiator fins are clogged by foreign
matter
Clear the foreign matter
Combustion chamber has carbon deposition
Clear the carbon deposition
Sound is
abnormal with
clashing noise
Moving parts are worn
Check them and replace them if necessary
3. Stall
in
running
Symptom Cause
Remedy
1. Piston is burnt through
Trim the cylinder and piston with fine toothed file and replace
the piston rings
2. Spark plug electrodes are
short-circuited
Completely clear off the carbon deposition
Stall suddenly
3. Magneto has Internal fault
Dismantle and check it
1. Fuel is not sufficient
Top up
2. Carburetor is internally
clogged
Check the internal nozzle oil circuit
Gradual stalling
3. Water is mixed with fuel
Replace with clean fuel
4.
Instructions for Repair and Maintenance
4.1 Maintenance
Schedule
