MTD S240 Manuel D’Utilisation

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NOTE: This section 
addresses minor 
service issues. For 
further details, contact 
customer assistance. 
8
Trouble- 
Shooting
Cause
Problem
Remedy
Engine runs erratic
1.  Move choke lever to OFF position.
2.  Clean fuel line; fill tank with clean,  
fresh gasoline.
3.  Drain fuel tank. Refill with  
fresh fuel.
4.  Contact Service Center.
1.  Unit running on CHOKE. 
2.  Blocked fuel line or stale fuel. 
3.  Water or dirt in fuel system. 
4.  Carburetor out of adjustment.
Engine overheats
1.  Contact Service Center.
1.  Carburetor not adjusted properly.
Loss of power
1.  Connect and tighten spark plug 
wire.
2.  Remove ice and snow from gas 
cap. Be certain vent hole is clear.
3.  Contact Service Center. 
1.  Spark plug wire loose. 
2.  Gas cap vent hole plugged. 
3.  Exhaust port plugged.
Unit fails 
to propel itself
1.  Adjust drive control cable. Refer to 
“Adjustments”.
2.  Replace drive belt.
1.  Drive control cable in need of adjust-
ment.
2.  Drive belt loose or damaged.
Excessive
Vibration
1.  Loose parts or damaged auger.
1.  Stop engine immediately and 
disconnect spark plug wire. Tighten 
all bolts and nuts. If vibration 
continues, have unit serviced by a 
Service Center.
Unit fails 
to discharge snow
1.  Stop engine immediately and 
disconnect spark plug wire. Clean 
chute assembly and inside of 
auger housing with clean-out tool 
or a stick.
2.  Stop engine immediately and 
disconnect spark plug wire. 
Remove object from auger.
3.  Refer to Maintenance section.
1.  Chute assembly clogged. 
 
 
 
2.  Foreign object lodged in auger. 
 
3.  Auger belt loose or damaged.
1.  Choke not in ON position.
2.  Spark plug wire disconnected.
3.  Fuel tank empty or stale fuel.
4.  Engine not primed.
5.  Faulty spark plug.
6.  Blocked fuel line.
7.  Safety key not in ignition on engine.
8.  Fuel shut-off valve closed. (If 
1.  Move choke to ON position.
2.  Connect wire to spark plug.
3.  Fill tank with clean, fresh gasoline.
4.  Prime engine as instructed in 
“Operating Your Snow Thrower”.
5.  Clean, adjust gap, or replace.
6.  Clean fuel line.
7.  Insert key fully into the switch.
8.  Open fuel shut-off valve.
Engine fails to start