9
Trouble
Shooting
Problem
Engine fails to start
Cause
1. PTO engaged.
Remedy
1. Place PTO knob (or lever) in disengaged (OFF)
position.
2.
3.
4.
Connect wire(s) to spark plug(s).
Fill tank with clean, fresh gasoline.
PullplaceoutthethethrottleCHOKEcontrolcontrolin CHOKE(if so equipped)position.or
5. Clean, adjust gap, or replace.
2.
3.
4.
Spark plug wire(s) disconnected.
Fuel tank empty or stale fuel.
Choke not activated.
5.
6.
Faulty spark plug.
Blocked fuel line.
6. Cleanequipped.fuel line or replace fuel filter, if so
7. Crank engine with throttle in FAST position.
8. Engage parking brake.
7.
8.
9.
Engine flooded.
Parking brake not engaged.
Throttlestarting position.control lever not in correct
9. Place throttle lever to FAST position.
Engine runs erratic
1
. Unit running with CHOKE applied.
1. Push CHOKE control (if so equipped) in, or
move the throttle control out of the CHOKE
position.
2
3
. Spark plug wire(s) loose.
. Blocked fuel line or stale fuel.
2. Connect and tighten spark plug wire(s).
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
3. Clean fuel line; fill tank with clean, fresh (less
than 30 days old) gasoline. Replace fuel filter, if
so equipped.
4. Clear vent or replace if damaged.
5. Drain fuel tank. Refill with fresh fuel.
6. Replacepre-cleaner,air cleanerif so equipped.cartridge/element or clean
4. Vent in gas cap plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
Engine overheats
1. Engine oil level low.
2. Air flow restricted.
1. Fill crankcase with proper oil.
2. theCleanengine’sgrass clippingscooling finsandanddebrisblowerfromhousing.around
Engine hesitates
at high RPM
1. Spark plug(s) gap too close.
1. Remove spark plug(s) and reset the gap.
Idles poorly
1. Stopoawrkidpelu. g(s) fouled, faulty or gap
1. Replace spark plug(s). Set
plug(s) gap.
2. Replacepre-cleaner,air cleanerif so equipped.cartridge/element or clean
2
. Dirty air cleaner.
Excessive
Vibration
1.
2.
Cutting blade loose or unbalanced.
Damaged or bent cutting blade.
1. TightenBalancebladeblade.and spindle.
2. Replace blade.
Mower will not
mulch grass (If
Equipped)
1. Engine speed too low.
. Wet grass.
1. Place throttle control in FAST (rabbit) position.
2. Doto cut.not mow when grass is wet; wait until later
2
3.
Excessively high grass.
3.
Mow once at a high cutting height, then mow
again at desired height or make a narrower
cutting path.
4.
Dull blade.
4.
Sharpen or replace blade.
Uneven cut
1. Deck not balanced properly.
1. Perform side-to-side deck adjustment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.
2
3
. Dull blade.
. Uneven tire pressure.
8
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD 760, MTD 779 |
| 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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Lawn and Garden readers have rated MTD Pro 760 779 Series Transmatic Lawn Tractor Lawn Mower Owners Manual 4.0 out of 4.0 based on 1 product reviews. I9 NEED KNOW WHAT YEAR MY LAWNS MTD PRO 760-779