MTD Pro 560 Series 21 Inch Rotary Lawn Mower Owners Manual

6
Trouble
Shooting
Problem
Cause
Remedy
Engine fails to start
1.   Blade control handle disengaged.
1.   Engage blade control handle.
2.   Connect wire to spark plug.
3.   Fill tank with clean, fresh gasoline.
4.   Refer to engine manual.
2.
3.
4.
Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Engine not primed.
5.   Faulty spark plug.
5.
Clean, adjust gap, or replace.
6.
7.
Blocked fuel line.
Engine flooding.
6.   Clean fuel line.
Wait a few minutes to restart, but do  not prime.
7.
Engine runs erratic
Engine overheats
1.   Spark plug wire loose.
1.   Connect and tighten spark
plug wire.
2
.   Blocked fuel line or stale fuel.
2.   Clean fuel line; fill tank with  clean, fresh
gasoline.
3
4
.   Gas cap vent plugged.
3.   Clear vent.
.   Water or dirt in fuel system.
4.   Drain fuel tank and carburetor. Refill with  fresh
fuel.
5
6
.   Dirty air cleaner.
5.   Refer to engine manual.
6.   Refer to engine manual.
.   Carburetor out of adjustment.
1.   Engine oil level low.
2.   Dirty air filter.
1.   Fill crankcase with proper  oil.
2.   Refer to the engine manual packed with your
unit.
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
3
4
.   Air flow restricted.
3.   Remove blower housing and clean.
4.   Refer to engine manual.
.   Carburetor not adjusted properly.
Occasional skip (hesitates)       1.   Spark plug gap too close.
1.   Adjust gap to .030”. Refer to engine manual.
2.   Refer to engine manual.
at high speed
2.   Carburetor idle mixture adjustment
improperly set.
Idles poorly
1.   Spark plug fouled, faulty  or gap too
wide.
1.   Reset gap to .030” or replace  spark plug.
Refer to engine manual.
2
3
.   Carburetor improperly adjusted.
.   Dirty air cleaner.
2.   Refer to engine manual.
3.   Refer to engine manual.
Excessive vibration
Mgroawsser will not mulch
1.   Cutting Blade loose  or unbalanced.
Bent cutting blade.
1.   Tighten blade and adapter. Balance  blade
2.   Replace blade.
2.
1.   Wet grass.
1.   Do not mow when grass is wet;
wait until later to cut.
2.
Excessive high grass.
2.   Mow once at a high cutting height,  then mow
again at desired height or make a narrower
cutting path.
3.
Dull blade.
3.   Sharpen or replace 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.
Wheels will not propel
1.   Belt not installed properly.
1.   Checking belt for proper  pulley installation and
movement.
2.
Debris clogging drive  operation.
2.   Clean out debris.
12
Product Specification
CategoriesLawn Mower Manual, MTD Lawn Mower Manuals
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- 32 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandMTD, Lawn Mower
Document File TypePDF
Publishermtdproducts.com
Wikipedia's PageMTD Products
CopyrightAttribution Non-commercial
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