Husqvarna 562 XP G Workshop Manual - Page 58

Troubleshooting High speed Will not run at full throttle Blocked air filter Tank venting clogged Blocked fuel filter Blocked fuel line Loose or faulty fuel pipe Impulse channel leaking Blocked impulse channel The cover on the carburettor pump side is loose Faulty pump diaphragm Leaking inlet hose (rubber) Loose carburettor mounting Control system set too low Damaged control system Control system incorrectly assembled Leaking diaphragm/cover plate Control system sticking Blocked muffler Low power Tank venting clogged Blocked fuel filter Impulse channel leaking Blocked impulse channel The cover on the carburettor pump side is loose Faulty pump diaphragm Blocked air filter Control system sticking Leaking control system (air or fuel) Control system incorrectly assembled Loose diaphragm Hole in diaphragm Leaking diaphragm/cover plate Will not "four stroke" Tank venting clogged Blocked fuel filter Blocked fuel line Loose or faulty fuel pipe Impulse channel leaking Blocked impulse channel The cover on the carburettor pump side is loose Faulty pump diaphragm Leaking inlet hose (rubber) Loose carburettor mounting Control system set too low Leaking control system (air or fuel) Control system incorrectly assembled Loose diaphragm Hole in diaphragm Leaking diaphragm/cover plate Acceleration and retardation Does not accelerate Blocked air filter Tank venting clogged Blocked fuel filter Blocked fuel line Loose or faulty fuel pipe Blocked impulse channel The cover on the carburettor pump side is loose Faulty pump diaphragm Leaking inlet hose (rubber) Loose carburettor mounting Control system set too low Control system incorrectly assembled Control system sticking Faulty diffuser jet Blocked muffler The engine stops when releasing the throttle Faulty pump diaphragm Control system set too high Control system sticking Faulty diffuser jet Blocked air filter Faulty pump diaphragm Faulty diffuser jet 8.2 Troubleshooting methods 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 and are as follows: • Function check of chain brake • Resistance testing the stop plate • Pressure testing the carburettor • Pressure testing the decompression valve • Pressure testing the cylinder 58 - English