Troubleshooting - MTD Yard Machines MCT333707 Manuel De L'utilisateur

ENGINE WILL NOT START OR STARTS BUT WILL NOT RUN
C A U S E
Empty fuel tank
Incorrect starting procedure
Old or improperly mixed fuel
Fouled spark plug
Plugged spark arrestor
Plugged fuel filter
UNIT STARTS, BUT ENGINE HAS LOW POWER
C A U S E
Air filter is plugged
Old or improperly mixed fuel
Improper carburetor adjustment
Choke lever is in incorrect position
ENGINE HESITATES
C A U S E
Improper carburetor adjustment
NO POWER UNDER LOAD
C A U S E
Improper carburetor adjustment
ENGINE RUNS ERRATICALLY
C A U S E
Incorrect spark plug gap
UNIT SMOKES EXCESSIVELY
C A U S E
Improper carburetor mixture/adjustment
Old or improperly mixed fuel
CUTTING ATTACHMENT WILL NOT ADVANCE LINE
C A U S E
Cutting attachment bound with grass
Cutting attachment out of line
Cutting head dirty
Line twisted when refilled
CUTTING ATTACHMENT AND SHAFT ARE HOT TO THE TOUCH
C A U S E
Weed wrap
If further assistance is required, contact your authorized service dealer.

TROUBLESHOOTING

Fill fuel tank with properly mixed fuel
Follow starting instructions shown in operator's manual
Drain gas tank and add fresh fuel mixture
Replace or clean the spark plug
Clean or replace spark arrestor
Replace fuel filter
Replace or clean the air filter
Drain gas tank and add fresh fuel mixture
Adjust according to the Carburetor Adjustments section
Move choke lever to Position 3
Take to an authorized service dealer for an adjustment
Take to an authorized service dealer for an adjustment
Adjust gap to 0.025" (0.635 mm) or clean/replace plug
Take to an authorized service dealer for an adjustment
Drain gas tank and add fresh fuel mixture
Stop the engine and clean cutting attachment
Refill with new line
Clean inner reel and outer spool
Disassemble and rewind the line
Remove weed wrap
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