HONDA HS520AS - Manual (Page 39)

TAKING CARE OF UNEXPECTED PROBLEMS
37
Engine has low power
Engine runs, but snowthrower doesn't operate
Possible cause Correction
Fast ground speed puts
excessive load on the engine. Reduce your walking speed.
Wet, deep snow puts an
excessive load on the engine. Reduce the snowthrowing swath.
Discharge chute is restricted. Clear the discharge chute of obstructions
(page 18).
Spark plug cap is not secure. Make sure the spark plug cap is securely
connected.
Improper electrode gap or
deposits on the gap. Verify the spark plug is free of deposits
and has the proper gap (page 26).
Choke in the wrong position. Make sure the choke is in the OPEN
position (page 10).
Stale or old fuel. Be sure the tank has fresh fuel.
Drain the carburetor (page 32).
Possible cause Correction
Auger paddles are worn out. Replace the auger paddles.
Auger clutch lever is not
engaged. Engage the auger clutch lever by pulling it
toward the handlebar.
Drive clutch lever free play is
excessive. Adjust the free play (page 27).
Auger not engaging because
the drive belt is worn, broken,
or not on the pulleys. See you servicing Honda snowthrower
dealer.