Troubleshooting

See appropriate section in manual unless directed to an authorized service center/department.

PROBLEM

 

CAUSE

 

CORRECTION

Does not start

1.

Fuel shut-off valve (if so

1.

Turn fuel shut-off valve to OPEN position.

 

 

equipped) in OFF position.

 

 

 

2.

Safety ignition key

2.

Insert safety ignition key.

 

 

is not inserted.

 

 

 

3.

Out of fuel.

3.

Fill fuel tank with fresh, clean gasoline.

 

4.

Throttle in STOP position

4.

Move throttle to FAST position

 

 

(or ON/OFF switch is OFF).

 

(or ON/OFF switch to ON position).

 

5.

Choke in OFF position.

5.

Move to FULL position.

 

6.

Primer not depressed.

6.

Prime as instructed in the Operation section of this manual.

 

7.

Engine is flooded.

7.

Wait a few minutes before restarting, DO NOT prime.

 

8.

Spark plug wire is

8.

Connect wire to spark plug.

 

 

disconnected.

 

 

 

9.

Bad spark plug.

9.

Replace spark plug.

 

10.

Stale fuel.

10.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

11.

Water in fuel.

11.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

 

 

 

 

Loss of power

1.

Spark plug wire loose.

1.

Reconnect spark plug wire.

 

2.

Throwing too much snow.

2.

Reduce speed and width of swath.

 

3.

Fuel tank cap is covered

3.

Remove ice and snow on and around fuel tank cap.

 

 

with ice or snow.

 

 

 

4.

Dirty or clogged muffler.

4.

Clean or replace muffler.

 

5.

Improper cable length.

5.

Adjust cable.

 

 

 

 

 

Engine idles or

1.

Choke is in FULL position.

1.

Move choke to OFF position.

runs roughly

2.

Blockage in fuel line.

2.

Clean fuel line.

 

3.

Stale fuel.

3.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

4.

Water in fuel.

4.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

5.

Carburetor is in need of

5.

Contact an authorized service center/department.

 

 

adjustment or overhaul.

 

 

 

 

 

 

 

Excessive

1.

Loose parts or damaged

1.

Tighten all fasteners. Replace damaged parts. If vibration

vibration

 

augers or impeller.

 

remains, contact an authorized service center/department.

 

 

 

 

 

Recoil starter

1.

Frozen recoil starter.

1.

See “IF RECOIL STARTER HAS FROZEN”

is hard to pull

 

 

 

in the Operation section of this manual.

 

 

 

 

 

Loss of traction

1.

Drive belt is worn.

1.

Check / replace drive belt.

drive / slowing

2.

Drive belt is off of pulley.

2.

Check / reinstall drive belt.

of drive speed

3.

Auger blades worn.

3.

Contact an authorized service center/department.

 

 

 

 

 

Loss of snow

1.

Auger belt is off of pulley.

1.

Check / reinstall auger belt.

discharge or

2.

Auger belt is worn.

2.

Check / replace auger belt.

slowing of

3.

Clogged discharge chute.

3.

Clean snow chute.

snow discharge

4.

Augers / impeller jammed.

4.

Remove debris or foreign object from augers / impeller.

 

 

 

 

 

17

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McCulloch 96182000500, MC621 owner manual Troubleshooting, Does not start

96182000500, MC621 specifications

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