6
Trouble
Shooting
Problem
Cause
Remedy
Engine fails to start
1. Blade control handle disengaged.
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Fill tank with clean, fresh gasoline.
4. Refer to engine manual.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Waitprime.a few minutes to restart, but do not
2.
3.
4.
5.
6.
7.
Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Engine not primed.
Faulty spark plug.
Blocked fuel line.
Engine flooding.
Engine runs erratic
1. Spark plug wire loose.
1. Connect and tighten spark plug wire.
2. Cleangasoline.fuel line; fill tank with clean, fresh
2
. Blocked fuel line or stale fuel.
3. Gas cap vent plugged.
4. Water or dirt in fuel system.
3. Clear vent.
4. Drainfresh fuel.fuel tank and carburetor. Refill with
5. Refer to engine maintenance section.
5. Dirty air cleaner.
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
Engine overheats
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
1. Fill crankcase with proper oil.
2. Remove blower housing and clean.
Occasional skip (hesi-
tates) at high speed
1. Adjust gap to .030”.
Idles poorly
1. Swide.park plug fouled, faulty or gap too
1. Reset gap to .030” or replace spark plug.
2. Refer to engine maintenance section.
2
. Dirty air cleaner.
Excessive vibration
Mgroawsser will not mulch
1. Cutting Blade loose or unbalanced. 1. Tighten blade and adapter. Balance blade.
2. Bent cutting blade.
2. See an authorized service dealer.
1. Wet grass.
1. Dowaitnotuntilmowlaterwhento cut.grass is wet;
2.
Excessive high grass.
2. Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting path.
3.
Dull blade.
3. Sharpen or replace blade.
Uneven cut
1. Wheels not positioned correctly.
1. Placeposition.all four wheels in same height
2. Sharpen or replace blade.
2.
Dull blade.
Wheels will not propel
1. Belt not installed properly.
1. Checkingand movement.belt for proper pulley installation
2. Stopand cleanengine,outdisconnectdebrise. spark plug boot
3. Inspect and replace belt.
2.
3.
Debris clogging drive operation.
Damaged or worn belt.
12
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD 56M |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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