Husqvarna 345 - User Manual

Other manuals for Husqvarna 345

Workshop Manual52 pages

Basic Adjustment4 pages

Questions and Answers

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Mary HendricksSep 8, 2025
What causes my Husqvarna Chainsaw to not idle?
- C
  Chelsey GuzmanSep 8, 2025
  If your Husqvarna Chainsaw will not idle, consider these possible causes: Adjust the L screw. Also check for a leaking air intake hose, loose carburettor mounting bolts, a loose or faulty fuel hose, a blocked fuel filter, a blocked fuel line, a blocked fuel tank vent, a stiff throttle valve pivot, a sticking throttle pushrod, a defective throttle return spring, a bent throttle stop, or a faulty diffuser jet.
F
flemingkevinAug 23, 2025
Why is my Husqvarna 345 Chainsaw carburettor leaking fuel?
- R
  robinsonpaulAug 23, 2025
  If the carburettor of your Husqvarna Chainsaw is leaking fuel, it could be due to several reasons: * Check for a loose or faulty fuel pipe. * Inspect the diaphragm for any holes. * Examine the needle valve for wear or sticking. * Ensure the needle valve assembly is not sticking and is set at the correct height. * Look for any leaks in the metering system (air or fuel) or a loose cover on the carburettor pump side.
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Matthew CruzAug 25, 2025
Why won't my Husqvarna 345 run at full throttle?
- R
  Robert FoleyAug 25, 2025
  If your Husqvarna Chainsaw won't run at full throttle, it could be due to several reasons: * Adjust the H screw. * A blocked air filter, fuel tank vent, or fuel filter. * A blocked or leaking fuel line or impulse channel. * A loose or damaged fuel hose. * A loose cover on the carburettor pump side, or a faulty pump diaphragm. * A leaking air intake hose or loose carburettor mounting bolts. * A needle valve set too low, a damaged or incorrectly assembled metering system, or a sticking needle valve assembly. * A leaking control diaphragm/cover plate or a blocked silencer.
T
Tamara StoneAug 27, 2025
What to do if my Husqvarna Chainsaw does not accelerate?
- K
  katrina88Aug 27, 2025
  If your Husqvarna Chainsaw does not accelerate, consider the following potential issues: * Adjust the L and H screws. * Check for a blocked air filter, fuel tank vent, or fuel filter. * Ensure the fuel line isn't blocked and the fuel hose isn't loose or damaged. * Inspect for a blocked impulse channel. * Examine the carburettor pump side for a loose cover or faulty pump diaphragm. * Look for a leaking air intake hose or loose carburettor mounting bolts. * Verify that the needle valve isn't set too low and the metering system is correctly assembled. * Check for a sticking needle valve assembly, faulty diffuser jets, or a blocked silencer.
R
Robert FosterAug 27, 2025
Why does my Husqvarna Chainsaw engine stall when throttle is released?
- K
  Kelsey ParkerAug 27, 2025
  If your Husqvarna Chainsaw engine stalls when the throttle is released, it might be due to: * Adjusting the L and H screws. * A faulty pump diaphragm. * A needle valve set too high or a needle valve assembly that is sticking. * Faulty diffuser jets.
L
Linda McculloughSep 22, 2025
Why is there too much fuel at idling on my Husqvarna Chainsaw?
- T
  Tara DickersonSep 22, 2025
  If there's too much fuel at idling in your Husqvarna Chainsaw, it could be due to a needle valve set too high, a needle valve assembly sticking, a damaged metering system, a worn needle valve, a leaking control diaphragm/cover plate, or a metering system incorrectly assembled.
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Mark MillsSep 16, 2025
Why does my Husqvarna 345 Chainsaw idle when L screw closed?
- N
  Nicole HansonSep 16, 2025
  If your Husqvarna Chainsaw idles when the L screw is closed, it could be due to a worn needle valve, a leaking control diaphragm/cover plate, a needle valve assembly sticking, a worn needle valve lever, or a faulty diffuser jet.
A
Ana HunterSep 18, 2025
Why will my Husqvarna 345 Chainsaw not “four-stroke”?
- C
  Christopher RojasSep 18, 2025
  If your Husqvarna Chainsaw will not “four-stroke”, it could be due to a blocked fuel tank vent, a blocked fuel filter, a blocked fuel line, a loose or damaged fuel hose, a leaking or blocked impulse channel, a loose cover on the carburettor pump side, a faulty pump diaphragm, a leaking air intake hose, loose carburettor mounting bolts, a needle valve set too low, a leak in the metering system, a metering unit incorrectly assembled, a loose diaphragm rivet, a hole in the diaphragm, or a leaking control diaphragm/cover plate.
T
Thomas SheaSep 7, 2025
Why is there too much fuel at idling in my Husqvarna 345 Chainsaw?
- R
  Rachael GallagherSep 7, 2025
  If there is too much fuel at idling in your Husqvarna Chainsaw, it could be caused by: * The needle valve being set too high or the needle valve assembly sticking. * Damage to the metering system or the metering system being incorrectly assembled. * A worn needle valve or a leaking control diaphragm/cover plate.
C
connienguyenSep 4, 2025
Why is my Husqvarna 345 idling too rich?
- R
  Rachael FowlerSep 4, 2025
  If your Husqvarna Chainsaw is idling too rich, try the following: * Adjust the L screw. * Check for a worn needle valve or needle valve lever. * Ensure the needle valve is not set too high and that the needle valve assembly is not sticking. * Inspect for a leaking control diaphragm or cover plate.

Husqvarna 345 Specifications

General

Engine Power	2.2 kW
Maximum Power Speed	9000 rpm
Oil Tank Volume	0.26 l
Weight (excl. cutting equipment)	4.7 kg
Fuel Tank Volume	0.52 l
Chain Pitch	0.325 inches
Recommended Bar Length	33-45 cm