Maintaining Your Lawn Mower - Yard-Man 559 Operator's Manual

21" self propelled mulching mower
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Attach grass catcher following instructions on page
8 of this manual. Grass clippings will automatically
collect in the bag as you run the mower.
Operate the mower till the grass bag is full. Refer to
page 9 for description of flow indicator.
Stop engine completely by releasing the blade
control handle. Make sure that the unit has come to
a complete stop.
Lift discharge door and pull grass bag up and away
from the mower to dispose of the grass clippings.
Discharge
Door
Pull bag up and awa_
Figure 11
SECTION 6: MAINTAINING YOUR LAWNMOWER
WARNING:
Always stop the engine and
_1_
disconnect the spark plug wire before
performing any maintenance work or
adjustments on your lawn mower.
Cleaning Mower
The underside of the mower deck should be cleaned
after each use to prevent any build-up of grass
clippings, leaves, dirt, or other debris. If this debris is
allowed to accumulate, it will result in rust and
corrosion.
NOTE:
We do not recommend
the use of pressure
washers or garden hose to clean your unit. These may
cause
damage
to
electric
components,
spindles,
pulleys, bearings, or the engine. The use of water will
result in shortened life and reduce serviceability.
Disconnect spark plug wire.
Drain the gasoline from the lawn mower, or place a
piece of plastic under the gas cap.
Tip the mower so that it rests on the housing. Keep
the side with the air cleaner facing UP. Hold the
mower firmly.
Scrape and clean the underside of the deck with a
suitable tool. Do NOT spray with water.
Put the mower back on its wheels on the ground. If
you had put plastic under the gas cap, make sure to
remove it now.
WARNING:
Never tip the mower more than
in
leave
directions and do not
_1_
90degrees
any
the mower tipped for any length of time. Oil can
drain into the upper part of the engine causing
a starting problem.
EngineCare
A list of key maintenance jobs required for good
performance by the mower is given below. Follow the
accompanying engine manual for detailed list and
instructions.
Change engine oil regularly, as instructed in the
engine manual. Check oil level before starting
engine every time.
Service foam filter in the air cleaner every 25 hours
of use and replace the paper filter component every
100 hours. You may have to service the air filter
more frequently if you are operating the mower
under extremely dusty conditions.
Clean the engine periodically. Remove dirt and
debris with a cloth or brush.
Clean the spark plug and reset the gap to .030" at
least once a season. Refer to the engine manual for
correct spark plug type.
Inspect muffler periodically, and replace if
necessary. Damaged mufflers or spark arresters
can create a fire hazard. Make sure to avoid muffler
and surrounding areas while the mower engine is
hot because temperature of these areas of the
engine may exceed 150 ° F.
Lubrication
Wheels
Lubricate the wheels and bearings, if so equipped,
at least once a season with light oil or engine oil.
Also, if the wheels are removed for any reason,
lubricate the surface of the axle bolt and the inner
surface of the wheel with light oil.
11

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