6
Trouble
Shooting
Problem
Cause
Remedy
Engine fails to start
1. Blade control disengaged.
1. Engage blade control.
2. Connect wire to spark plug.
3. Fill tank with clean, fresh gasoline.
4. Prime engine as instructed in “Operat-
ing Your Lawn Mower”.
2.
3.
4.
Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Engine not primed (if equipped with
primer).
5.
6.
7.
Faulty spark plug.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
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.
Engine not choked (if equipped w/choke).
9. Choke engine. See engine manual.
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
4
5
6
. Vent in gas cap plugged.
. Water or dirt in fuel system.
. Dirty air cleaner.
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.
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
1
. Engine oil level low.
2. Air flow restricted.
. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Clean accumulated debris from engine.
3. Refer to engine manual.
3
(hesitates)Occasionalatskipshigh speed
Idles poorly
1. Spark plug gap too close.
2. Carburetor idle mixture adjustment
improperly set.
1. Adjust gap to .030-inch.
2. Refer to engine manual.
1. Spark plug fouled, faulty or gap too wide.
1. Reset gap to .030-inch or replace
spark plug.
NOTE: Specifications are
subject to change without
notification or obligation.
Images may not reflect
your exact model and are
for reference purposes
only.
2
3
. Carburetor improperly adjusted.
. Dirty air cleaner.
1. Cutting blade loose or unbalanced.
2. Refer to engine manual.
3. Refer to engine manual.
Excessive Vibration
1. Tighten blade and adapter. Balance
blade.
2. Bent cutting blade.
2. See an authorized service dealer.
Mower will not mulch grass 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.
12
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD 540, Troy-Bilt 540 |
| 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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