8
Troubleshooting
Problem
Cause
Remedy
Engine fails to start
1. Dirty air cleaner
1. Refer to the Engine Operator’s Manual
2. Push primer bulb two or three times.
3. Fill tank with clean, fresh gasoline.
2
3
4
. Engine needs to be primed
. Fuel tank empty
. Stale fuel in gasoline tank
4. Drain gasoline and refill tank with clean,
fresh gasoline.
5
. Spark plug wire disconnected.
5. Connect the spark plug wire to the spark
plug.
6
7
. Spark plug fouled
. Engine flooded
6. Clean, adjust gap or replace spark plug.
7. Refer to the Engine Operator’s Manual.
1. Connect and tighten spark plug wire.
Engine runs erratic
1. Spark plug wire loose
2
. Stale fuel in gasoline tank
2. Drain gasoline and refill tank with clean,
fresh gasoline.
3
4
5
6
. Vent in gas cap plugged
. Water or dirt in fuel system
. Dirty air cleaner
3. Clear vent of any debris.
4. Drain fuel tank. Refill with fresh fuel.
5. Refer to the Engine Operator’s Manual.
. Carburetor out of adjustment
6. Refer to the Engine Operator’s Manual.
1. Fill crankcase with proper oil.
Engine Overheats
1. Engine oil level low
2
. Air flow restricted
2. Clean the area around the engine’s cooling
fins.
3
4
. Dirty air filter
3. Replace the engine’s air filter.
. Carburetor not adjusted properly
4. Refer to the Engine Operator’s Manual.
1. Replace edger blade.
Excessive Vibration
Drivebelt Slips
1. Edger blade bent or damaged
. Blade spindle bent or damaged
1. Belt worn or stretched
2
2. Contact an authorized MTD service dealer.
1. Replace drive belt.
15
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD 520, Troy-Bilt 520 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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