MTD 769-01445 Lawn Mower User Manual


 
15
SECTION 10: TROUBLE SHOOTING GUIDE
Trouble Possible Cause(s) Corrective Action
Handle not in position. Carriage bolts not seated in the handle
insulators.
Adjust the height of the handle and make sure that
the carriage bolts are seated properly into the
handle insulators. Tighten the hand knobs.
Mower not starting. Cord disconnected from the motor/
blade control.
Motor/blade control switch defective.
Extension cord not connected to the
plug on the mower.
Extension cord not connected to a
source of power.
Circuit breaker on the mower or in the
house receptacle tripped.
Reconnect the cord keeping the cord restraint close
to the motor/blade control.
Replace motor/blade control switch.
Connect the extension cord to the plug on the
mower.
Connect the extension cord to a 110-120 V 60 cycle
A.C. receptacle.
Reset the circuit breaker following instructions in
the Operating Your Lawn Mower section of this
manual.
Circuit breaker on the mower
tripping.
Too much workload on the mower.
Fuse blown; outlet overloaded.
Raise the cutting height, reset the circuit breaker on
the mower, take a smaller width of cut, and walk
slowly.
Connect to an outlet that is fused for 15 amperes.
Reset the circuit breaker and start the mower again.
Mower cutting grass
unevenly.
Lawn rough or uneven.
Cutting height not set properly.
Move the wheels to a higher cutting height position.
All wheels must be placed in the same cutting
height for the mower to cut evenly.
Mower not mulching properly. Wet grass clippings stick to the
underside of the deck.
Wait till the grass dries before mowing.
Hard to push. High grass or cutting height too low.
Rear of mower housing and blade
dragging in heavy grass.
Raise cutting height.
Raise cutting height.
Mower vibrating at higher
speed.
Bent motor shaft.
Blade is unbalanced.
Stop the motor, disconnect the power source and
inspect for damage. Repair before restarting. If
vibration persists, take it to a service dealer.
Balance the blade by grinding each cutting edge
equally.