Victa STB2224 - Engine Makes Knocking Noise; Poor Acceleration and Air Leakage; Engine Stops or Difficult to Shut Off; Unit Main Body Issues

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Troubleshooting
TROUBLESHOOTING
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Improper fuel mixing ratio Replace with correct 25:1 fuel
mix
Machine is overworked Operate properly – do not
overload
Fan cover, cylinder fins, etc. dirty Clean and remove dirt and
debris
Engine makes knocking noise
Cylinder overheating Clean fins
Use of incorrect fuel Replace with correct fuel
Poor acceleration
Fuel filter clogged Contact Service Centre
Fuel system clogged
Excessively low idle Speed up idle/Contact Service
Centre
Excessively lean carburettor
setting
Contact Service Centre
Clogged air filter Clean filter
Air leakage
Loose carburettor Contact Service Centre
Loose fuel pick up tube Insert firmly/Contact Service
Centre
Engine stops during operation
Switch is bumped Keep hands clear of switch
Engine stops abruptly
Shorting of spark plug Clean spark plug
Piston scored, ignition failure Contact Service Centre
Miscellaneous
Fuel tank empty Refuel
Carburettor or fuel tank clogged Contact Service Centre
Engine is difficult to shut off
Overheated engine Run at idle
Overheating or electrical fault
Overheated spark plug Clean and adjust gap to 0.7mm
(0.025")
Defective kill switch Contact Service Centre
Poor contact of ground wire Contact
Service Centre
Unit main body
Loose trimmer head Tighten firmly
Irregular vibration or trimmer
head spins with engine idling
Broken clutch spring, bent main
shaft
Contact Service Centre
Worn shaft bearings Contact Service Centre
Loose gearhead Tighten bolt securely/Contact
Service Centre
If
Australia and New Zealand.
Please look up and locate your local Authorised Service Centre on
www.victa.com.au
or contact Victa Lawncare Customer Service (02 8778 5555).
N.Z. Customers (09 912 0747)
running difficulties continue, contact your closest VICTA Authorised Service Centre in
Not for
Reproduction