6
Trouble
Shooting
Problem
Cause
Remedy
Engine fails to start
1. Throttle lever not in correct starting
position (if equipped).
1. MoveSTARTthrottleposition.lever to FAST or
2. Connect wire to spark plug.
3. Moveposition.choke lever to CHOKE
2.
3.
Spark plug wire disconnected.
Chokeequipped).not in CHOKE position (if
4.
5.
Fuel tank empty or stale fuel.
Engine not primed (if equipped).
4. Fill tank with clean, fresh gasoline.
5. PrimeEngineengineManual.as instructed in
6.
7.
8.
Clean, adjust gap, or replace.
Clean fuel line.
6.
7.
8.
Faulty spark plug.
Blocked fuel line.
Engine flooded.
Wait a few minutes to restart, but
do not prime.
Engine runs erratic
Engine overheats
1. Spark plug wire loose.
1. Connectplug wire.and tighten spark
2
3
. Unit running on CHOKE (if equipped).
. Blocked fuel line or stale fuel.
2. Move choke lever to OFF position.
3. Cleanfresh gasoline.fuel line; fill tank with clean,
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
4
5
. Vent in gas cap plugged.
. Water or dirt in fuel system.
4. Clear vent.
5. Drainfresh fuel.fuel tank. Refill with
6
7
. Dirty air cleaner.
. Carburetor out of adjustment.
6. Refer to engine manual.
7. See authorized service dealer.
1. Engine oil level low.
1. Fill crankcase with proper oil.
2. Refer to engine manual.
3. See authorized service dealer.
2
3
. Dirty air cleaner.
. Carburetor not adjusted properly.
Occasional skips
(hesitates) at
high speed
1. Spark plug gap too close.
1. Adjust gap to .030”.
2. See authorized service dealer.
2
. Cimproperlyarburetor set.idle mixture adjustment
Excessive
Vibration
1. Loose parts or damaged impeller.
1. Chute deflector clogged.
1.
See authorized service dealer.
Unit does not
1. Stop engine immediately and
disconnect spark plug wire. Clean
flail screen and inside of discharge
opening.
discharge
2.
Foreign object lodged in impeller.
3. Low engine RPM.
1. Low engine RPM.
2. Chipper blade dull.
2.
Stop engine and disconnect spark
plug wire. Remove lodged object.
3. Always run engine at full throttle.
1. Always run engine at full throttle.
2. Replaceauthorizedchipperservicebladedealer.or see your
Rate of discharge
slows considerably
or composition of
discharged material
changes
12
| Categories | Lawn Mower Manual, MTD Blower and Vacuum Manuals, MTD Lawn Mower Manuals, Troy-Bilt Blower and Vacuum Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD 410, MTD 420, Troy Bilt 420, Troy-Bilt 410 |
| 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 |
(0 votes, average: 0 out of 5)