Simplicity 520M, 520E manual Service, Removing Engine Cover, Troubleshooting

Models: 520M, 520E

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Troubleshooting

 

 

 

 

 

Troubleshooting

 

 

 

 

 

& Service

 

 

 

 

 

 

 

 

 

TROUBLESHOOTING

 

Problem

Possible Cause

Remedy

 

 

 

 

Engine fails to start

1. Key is OFF

1.

Turn Key to the ON position

 

 

2.

Failure to prime cold engine

2.

Press primer button twice and restart.

 

 

3.

Out of fuel

3.

Fill fuel tank

 

 

4.

Choke OFF - cold engine

4.

Turn Choke to ON.

 

 

5.

Engine flooded

5.

Turn Choke to OFF; try starting

 

 

6.

Spark Plug not sparking

6.

Check Gap. Gap plug, clean electrode,

 

 

 

 

 

or replace as necessary

 

 

7.

Water in fuel, or old fuel

7.

Drain tank (Dispose of fuel at an authorized

 

 

 

 

 

waste facility). Fill with fresh fuel mixture.

 

 

 

 

Engine starts hard or runs poorly

1. Fuel mixture too rich

1.

Move choke to OFF position

 

 

2.

Spark plug faulty, fouled,

2.

Clean and gap, or replace

 

 

 

or gapped incorrectly

 

 

 

 

3.

Water in fuel, or old fuel

3.

Drain tank (Dispose of fuel at an authorized

 

 

 

 

 

waste facility). Fill with fresh fuel mixture.

 

 

4.

Gas cap vent hole plugged

4.

Clean vent hole or replace cap

 

 

 

 

Unit does not throw snow

1. Loose or broken drive belt

1.

Adjust or replace belt

 

 

2.

Incorrect control cable

2.

Adjust Auger Control cable

 

 

 

adjustment

 

 

 

 

3.

Discharge chute clogged,

3.

Stop engine, remove key and

 

 

 

foreign object lodged in auger

 

clean out discharge chute

 

 

4.

Broken control cable

4.

Replace cable

 

 

 

 

Auger does not stop turning

1. Incorrect control cable

1.

Adjust Auger Control cable

when control is released

 

adjustment

 

 

 

 

 

 

Excessive vibration

1. Loose parts or damaged

1.

STOP engine and REMOVE the key,

 

 

 

auger

 

tighten all hardware. If vibration

 

 

 

 

 

continues, see your dealer.

 

 

 

 

 

 

Note: For repairs beyond the minor adjustments listed above, please contact your local authorized dealer.

REMOVING ENGINE COVER

Note: In many of the following adjustment and service tasks, it will be necessary to remove and reinstall the engine cover. To remove the cover, proceed as follows:

1.Remove the engine key from the switch.

2.Remove the two rear fasteners securing the back of the cover housing. (Figure 12).

3.Remove the fuel tank cap.

4.Remove the cover (see Figure 13 on page 14).

5.Temporarily reinstall the fuel tank cap.

6.Perform the adjustments or service desired.

7.Reinstall the cover by reversing the removal steps.

Note: The tabs at the lower front of the cover must be positioned correctly.

& ServiceTROUBLESHOOTING WARNING

Before beginning any repair stop the engine, remove the key, disconnect the spark plug wire, and wait for all moving parts to stop.

Remove

Fuel Tank

Cap

Remove two

rear fasteners

securing

cover

Figure 12. Remove and/or Loosen Cover Screws

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Simplicity 520M, 520E manual Service, Removing Engine Cover, Troubleshooting