TROUBLESHOOTING
English – 57
Too rich
acceleration
Acceleration.and.retardation
Does not
accelerate
The engine
stops when
releasing the
throttle
Blocked air filter
Tank venting clogged
The fuel filter is clogged
The fuel line is clogged
Loose or defective fuel hose
Blocked impulse channel
The cover on the carburettor pump
side is loose
Faulty pump diaphragm
Leaking inlet hose (rubber)
Loose clamping screws
carburettor
Control system set too low
Control system incorrectly
assembled
Control system is jamming
Faulty diffuser jet
Blocked muffler
Faulty pump diaphragm
Control system set too high
Control system is jamming
Faulty diffuser jet
Blocked air filter
Faulty pump diaphragm
Faulty diffuser jet
Troubleshooting.techniques
In addition to faults given in the above schematic,
troubleshooting can be carried out on a specific component
or specific chain saw system. The different procedures are
described in respective sections, see the list of contents,
and are as follows:
• Resistance testing the stop plate
• Pressure testing the carburettor
• Pressure testing the decompression valve
• Pressure testing the cylinder
High.speed
Does not run
at full throttle
Low on power
Too lean
Blocked air filter
Tank venting clogged
The fuel filter is clogged
The fuel line is clogged
Loose or defective fuel hose
Impulse channel leaking
Blocked impulse channel
The cover on the carburettor pump
side is loose
Faulty pump diaphragm
Leaking inlet hose (rubber)
Loose clamping screws
carburettor
Control system set too low
Control system damaged
Control system incorrectly
assembled
Leak in control diaphragm/
cover plate
Control system is jamming
Blocked muffler
Tank venting clogged
The fuel filter is clogged
Impulse channel leaking
Blocked impulse channel
The cover on the carburettor pump
side is loose
Faulty pump diaphragm
Blocked air filter
Control system is jamming
Leaking control system (air or fuel)
Control system incorrectly
assembled
Loose diaphragm rivet
Hole in the membrane
Leak in control diaphragm/
cover plate
Tank venting clogged
The fuel filter is clogged
The fuel line is clogged
Loose or defective fuel hose
Impulse channel leaking
Blocked impulse channel
The cover on the carburettor pump
side is loose
Faulty pump diaphragm
Leaking inlet hose (rubber)
Loose clamping screws
carburettor
Control system set too low
Leaking control system (air or fuel)
Control system incorrectly
assembled
Loose diaphragm rivet
Hole in the membrane
Leak in control diaphragm/
cover plate
Содержание 570 AT
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