6
Trouble
Shooting
Problem
Cause
Remedy
Engine fails to start
1. Throttleposition.lever not in correct starting
1. MoveSTARTthrottleposition.lever to FAST or
2.
3.
Spark plug wire disconnected.
Chokeequipped).not in CHOKE position (if
Fuel tank empty or stale fuel.
Engine not primed (if equipped).
2. Connect wire to spark plug.
3. Moveposition.choke lever to CHOKE
4. Fill tank with clean, fresh gasoline.
5. PrimeEngineengineManual.as instructed in
Clean, adjust gap, or replace.
Safety switch must be depressed
by the front tab on the bag handle
when securing the bag.
Connect safety switch wire to
engine connector and ground to
mounting bracket.
1. Connectplug wire.and tighten spark
2. Move choke lever to OFF position.
3. Cleanfresh gasoline.fuel line; fill tank with clean,
4. Always run engine at full throttle.
5. Drainfresh fuel.fuel tank. Refill with
6. Refer to engine manual.
7. See authorized service dealer.
1. Fill crankcase with proper oil.
2. Refer to engine manual.
4.
5.
6.
7.
6.
7.
Faulty spark plug.
Safety switch not depressed.
8.
Safety switch wire is not connected to
engine or not properly grounded.
8.
Engine runs erratic
Engine overheats
1. Spark plug wire loose.
2
3
. Unit running on CHOKE (if equipped).
. Blocked fuel line or stale fuel.
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
4
5
. Low engine RPM.
. Water or dirt in fuel system.
6
7
. Dirty air cleaner.
. Carburetor out of adjustment.
1. Engine oil level low.
2
3
. Dirty air cleaner.
. Carburetor not adjusted properly.
3. See authorized service dealer.
1. Adjust gap to .030”.
2. See authorized service dealer.
Occasional skips
(hesitates) at
1. Spark plug gap too close.
2
. Cimproperlyarburetor set.idle mixture adjustment
high speed
Excessive Vibration
1. Loose parts or damaged impeller.
1. Discharge area 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.
2.
Stop engine and disconnect spark
plug wire. Remove lodged object.
3
4
. Low engine RPM.
. Vacuum bag is full.
3. Always run engine at full throttle.
4. Empty bag.
Rate of discharge
slows considerably
or composition of
discharged material
changes
1. Low engine RPM.
1. Always run engine at full throttle.
2. Replaceauthorizedchipperservicebladedealer.or see your
2
. Chipper blade dull.
Unit fails to propel itself
or slips when drive
control is engaged
1. Drive control cable out of adjustment.
1. Follow adjustment procedure
in Servicing Your Yard Vacuum
section of manual.
2.
Drive belt worn or damaged.
2.
See authorized service dealer.
18
| Categories | Blower Vacuum and Sweeper Manuals, 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 070, Troy-Bilt 070 |
| 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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