Craftsman 536.772340 Operator's Manual page 22

TROUBLE SHOOTING CHART
TROUBLE CAUSE
Engine difficult to start Stale fuel
or
Engine runs erratically
or
Engine will not run at full
speed
Clogged fuel filter
Dirt in fuel tank or out of fuel
Carburetor out of adjustment
Fouled spark plug
Dirty air filter
Engine smokes Plugged air filter
excessively
Cutting blade will not
rotate
Blade will not cut properly
Excessive vibration
Debris interfering with blade
Loose blade
Defective V-belt
Defective quill bearings
Damage or worn blade
Loose parts
CORRECTION
Drain fuel tank. Fill with fresh
fuel.
Replace fuel filter
Clean fuel tank.
Take unit to a Sears Service
Center.
Clean and set spark plug
gap.
Replace air filter.
Replace air filter.
Clean debris from blade.
Tighten blade nut.
Replace V-belt.
Replace the quill assembly.
Reverse the blade or replace
the blade.
Stop engine immediately.
Tighten all fasteners. If
vibration continues, take the
unit to a Sears Service
Center.
F-021102L 22