Off-Season Storage; Troubleshooting - Yard-Man 559 Operator's Manual

21” self propelled mulching mower
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SECTION 8: OFF-SEASON STORAGE
Prepare your lawn mower for storage at the end of the
season or if the unit will not be used for 30 days or
more. Store the mower in a clean, dry area.
Mower
Clean underside of the mower following
instructions in the Maintain Your Lawn Mower
section of this manual.
Lubricate mower as instructed on page 12 of this
manual.
You can fold your mower's handle for convenient
storage: Remove the starter rope from the rope
guide; loosen the two hand knobs on the sides of
the handle, and let the upper handle fold down to
the rear. Move the hairpin clips to the outer hole in
the weld pins on the handle mounting brackets.
Spread the sides of the lower handle, and push it
forward and down.
Inspect and replace/sharpen blade, if required.
SECTION 9: TROUBLE-SHOOTING
PROBLEM
Engine fails to start
1.
2.
3.
4.
5.
6.
Engine runs erratic
1.
2.
3.
4.
5.
Engine overheats
1.
2.
Occasional skip
1.
(hesitates) at high
speed
Idles poorly
1.
2.
Excessive vibration
1.
2.
3.
Mower will not mulch
1.
grass
2.
3.
Uneven cut
1.
2.
NOTE: For repairs beyond the minor adjustments listed above, contact your local authorized service dealer.
POSSIBLE CAUSE
Blade control handle disengaged
Spark plug wire disconnected
Fuel tank empty, or stale fuel
Blocked fuel line
Faulty spark plug
Engine flooded
Spark plug wire loose
Blocked fuel line or stale fuel
Vent in gas cap plugged
Water or dirt in fuel system
Dirty air cleaner
Engine oil level low
Air flow restricted
Spark plug gap too close
Spark plug faulty, or gap too wide
Dirty air cleaner
Blade loose or unbalanced
Bent cutting blade
Bent engine crankshaft
Wet grass
Excessively high grass
Dull blade
Wheels not at same height
Dull blade
Engine
Follow recommendations in the accompanying
engine manual for off-season storage of the
engine.
Change oil if it has not been changed in the last
three months. For instructions on how to change oil,
refer to the engine manual.
Clean engine and remove any grass clippings.
Other
Do not store gasoline from one season to another.
Replace your gasoline can if it starts to rust. Rust
and/or dirt in the gasoline will cause problems.
Store unit in a clean, dry area. Do not store next to
corrosive materials, such as fertilizer.
NOTE: If storing in an unventilated or metal storage
shed, be certain to rustproof the equipment by coating
with a light oil or silicone.
CORRECTIVE ACTION
1.
Engage blade control handle
2.
Connect wire to spark plug
3.
Fill up tank with fresh gasoline
4.
Clean fuel line
5.
Clean, adjust gap, or replace
6.
Wait a few minutes to restart, 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. Refer to engine manual.
1.
Fill crankcase with proper oil.
2.
Clean lawn mower engine.
1.
Adjust gap to.030 inches.
1.
Reset gap to.030 inches or replace spark plug.
2.
Clean air cleaner.
1.
Tighten blade and adapter, balance blade.
2.
Replace blade.
3.
Contact the nearest service center
1.
Wait until grass is dry to cut.
2.
Mow once at a high cutting height, then mow again at
desired height.
3.
Sharpen or replace blade.
1.
Reposition all wheels at same height.
2.
Sharpen or replace blade.
15

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