6
Trouble
Shooting
3. Fuel tank empty or stale fuel.
Problem
Engine fails to start
Cause
Remedy
1. Blade control disengaged.
1. Engage blade control.
2.
4.
Spark plug wire disconnected.
2. Connect wire to spark plug.
3.
Fill tank with clean, fresh gasoline.
Engine not primed (if equipped with
primer).
4. Prime engine as instructed in “Operat-
ing Your Lawn Mower”.
5. Faulty spark plug.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
6.
7.
Blocked fuel line.
Engine flooded.
7.
Wait a few minutes to restart, but do
not prime.
8.
9.
Fuel valve (if equipped) closed.
8. Open fuel valve. See engine manual.
9. Choke engine. See engine manual.
Engine not choked (if equipped w/choke).
Engine runs erratic
Engine overheats
1
. Spark plug wire loose.
1. Connect and tighten spark plug wire.
2. Clean fuel line; fill tank with clean,
fresh gasoline.
2
. Blocked fuel line or stale fuel.
3. Vent in gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Refer to engine manual.
6. Refer to engine manual.
. Carburetor out of adjustment.
1
. Engine oil level low.
1. Fill crankcase with proper oil.
2. Remove blower housing
and clean.
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
2
3
. Air flow restricted.
. Carburetor not adjusted properly.
3. Refer to engine manual.
Occasional skips
(hesitates) at
high speed
Idles poorly
1. Spark plug gap too close.
2. Carburetor idle mixture adjustment
improperly set.
1. Adjust gap to .030”.
2. Refer to engine manual.
1. Spark plug fouled, faulty or gap
too wide.
1. Reset gap to .030” or replace
spark plug.
2
3
. Carburetor improperly adjusted.
. Dirty air cleaner.
2. Refer to engine manual.
3. Refer to engine manual.
Excessive
Vibration
1. Cutting blade loose or unbalanced.
2. Bent cutting blade.
1. Tighten blade and adapter. Balance
blade.
2. See an authorized service dealer.
Mower will not
mulch grass (If
Equipped)
1
. Wet grass.
1. Do not mow when grass is wet; wait
until later to cut.
2
. Excessively high grass.
2. Mow once at a high cutting height,
then mow again at desired height or
make a narrower cutting path.
3. Sharpen or replace blade.
3
. Dull blade.
Uneven cut
1. Wheels not positioned correctly.
2. Dull blade.
1. Place all four wheels in same
height position.
2. Sharpen or replace blade.
Mower will not
self propel
1
. Belt not installed properly.
1. Check belt for proper pulley installation
and movement.
2
3
. Debris clogging drive operation.
. Damaged or worn belt.
2. Stop engine, disconnect spark plug
wire and clean out debris.
3. Inspect and replace belt.
12
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD V550 |
| 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 |
(0 votes, average: 0 out of 5)