Yard-Man E663H 사용자 설명서

17

Engine fails to start

1.

Fuel tank empty, or stale fuel present in gas 
tank.

2.

Blocked fuel line.

3.

Choke not in ON position

4.

Faulty spark plug.

5.

Safety key not in ignition switch on engine.

6.

Spark plug wire disconnected.

7.

Primer button not being used properly.

8.

Fuel shut-off valve (if so equipped) closed.

1.

Fill tank with clean, fresh gasoline. 
Fuel becomes stale after thirty days 
unless a fuel stabilizer is used.

2.

Clean the fuel line.

3.

Move switch to ON position

4.

Clean, adjust gap or replace.

5.

Insert the key fully into the switch.

6.

Connect spark plug wire.

7.

Refer to the engine manual for proper 
priming instructions.

8.

Open fuel shut-off valve.

Engine runs erratic

1.

Unit running on CHOKE.

2.

Blocked fuel line or stale fuel.

3.

Water or dirt in fuel system.

4.

Carburetor out of adjustment.

1.

Move choke lever to OFF position.

2.

Clean fuel line. Refill with fresh fuel. 

3.

Drain fuel tank and carburetor. Refill 
with fresh fuel.

4.

Refer to the engine manual packed 
with your unit or have carburetor 
adjusted by an authorized MTD 
service dealer.

Loss of power

1.

Spark plug wire loose.

2.

Gas cap vent hole plugged.

3.

Exhaust port plugged.

1.

Connect and tighten spark plug wire.

2.

Remove ice and snow from gas cap. 
Be certain vent hole is clear.

3.

Refer to the engine manual packed 
separately with your unit.

Engine overheats

1.

Carburetor not adjusted properly.

1.

Refer to the engine manual or have 
the carburetor adjusted by an 
authorized MTD service dealer.

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 an authorized 
MTD service dealer.

Unit fails 
to propel itself

1.

Traction control cable in need of 
adjustment.

2.

Drive belt loose or damaged.

1.

Adjust traction control cable. Refer to 
Section 6 of this manual.

2.

Replace drive belt. Refer to Section 8 
of this manual.

Unit fails 
to discharge snow

1.

Discharge chute clogged.

2.

Foreign object lodged in auger.

3.

Auger control cable in need of adjustment.

4.

Auger belt loose or damaged.

5.

Auger shear bolts have sheared.

1.

Stop engine immediately and 
disconnect spark plug wire. Clean 
chute area and auger housing.

2.

Stop engine immediately and 
disconnect spark plug wire. Remove 
object from auger.

3.

Adjust auger control cable. Refer to 
Section 6 of this manual.

4.

Refer to the 

 section of this 

manual.

5.

Replace auger shear bolts. Refer to 
Figure 1 on page 5 of this manual.