Section 8: Troubleshooting - MTD 12A-289W722 Operator's Manual

22" self-propelled mower
Table of Contents

Advertisement

IMPORTANT:We do not recommend the use of a
pressure washer or garden hose to clean your unit.
Refer to engine manual for correct engine storage
instructions.
Coat mower's cutting blade with chassis grease to
prevent rusting.
Store mower in a dry, clean area. Do not store next
to corrosive materials, such as fertilizer.
NOTE: When storing any type of power equipment in a
poorly ventilated or metal storage shed, care should be
taken to rust-proof the equipment.
Using a light oil or
silicone, coat the equipment, especially cables and all
moving parts.
SECTION 8: TROUBLESHOOTING
Problem
Cause
Remedy
Engine fails to start
Engine runs erratic
Engine overheats
Idles poorly
Excessive vibration
Mower will not mulch grass
Uneven cut
Wheels will not propel
1.
Blade control handle disengaged.
2.
Spark plug wire disconnected.
3.
Fuel tank empty or stale fuel.
4.
Blocked fuel line.
5.
Faulty spark plug.
6.
Engine flooded.
1.
Spark plug wire loose.
2.
Blocked fuel line or stale fuel.
3.
Vent in gas plugged.
4.
Water or dirt in fuel system.
5.
Dirty air cleaner.
6.
Carburetor out of adjustment.
1.
Engine oil level low.
2.
Air flow restricted.
3.
Carburetor not adjusted properly.
1.
Spark plug fouled, faulty or gap too
wide.
2.
Carburetor improperly adjusted.
3.
Dirty air cleaner.
1.
Cutting blade loose or unbalanced.
2.
Bent cutting blade.
1.
Wet grass.
2.
Excessively high grass.
3.
Dull blade.
1. Wheels not positioned correctly.
2.
Dull blade.
1.
Belt not installed properly.
2.
Debris clogging drive operation.
1.
Engage blade control handle.
2.
Connect wire to spark plug.
3.
Fill tank with clean, fresh gasoline.
4.
Clean fuel line.
5.
Clean, adjust gap, or replace.
6.
Wait a few minutes to restart, but do not
prime.
1.
Connect and tighten spark plug wire.
2.
Clean fuel line; fill tank with clean, fresh
gasoline.
3.
Clear vent.
4.
Drain fuel tank. Refill with fresh fuel.
5.
Clean air cleaner.
6.
Adjust carburetor.
1.
Fill crankcase with proper oil.
2.
Remove blower housing and clean.
3.
Adjust carburetor.
1.
Reset gap to.030" or replace spark
plug.
2.
Adjust carburetor.
3.
Clean air cleaner.
1.
Tighten blade and adapter. Balance
blade.
2.
Replace blade.
1.
Do not mow when grass is wet; wait
until later to cut.
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.
1.
Place all four wheels in same height
position.
2.
Sharpen or replace blade.
1.
Check belt for proper pulley installation
and movement.
2.
Clean out debris.
NOTE: For repairs beyond the minor adjustments fisted above, contact your nearest authorized service dealer.
15

Advertisement

Table of Contents
loading

This manual is also suitable for:

Series 280

Table of Contents