Maintaining Your Lawn Mower; Www.mymowerparts.com Www.mymowerparts.com - Yard-Man 989 Series Operator's Manual

21” self-propelled mower
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For Parts Call 606-678-9623 or 606-561-4983
For Parts Call 606-678-9623 or 606-561-4983
5
Maintaining
Your Lawn
Mower
WARNING
Always stop engine,
disconnect spark plug
and ground against
engine before performing
any type of maintenance
on your machine.
Do not use a pressure
washer or garden hose
to clean your unit. These
may cause damage to
pulleys, bearings, or the
engine. The use of water
will result in shortened
life and reduce service-
ability.
Lubricate these
points before
reassembly.
Figure 5-1: Areas to lubricate on the mower.
Figure 5-2: Cut wire to remove rear flap.
General Recommendations
• Always observe safety rules when performing
any maintenance.
• The warranty on this lawn mower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from warranty,
operator must maintain the lawn mower as
instructed here.
• Changing of engine-governed speed will void
engine warranty.
• All adjustments should be checked at least once
each season.
• Periodically check all fasteners and make sure these
are tight.
WARNING: Always stop engine, disconnect
spark plug, and ground against engine
before cleaning, lubricating or doing any kind of
maintenance on your machine.
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www.mymowerparts.com
Lubrication
• Lubricate pivot points on the blade control at least
once a season with light oil. The blade control must
operate freely in both directions, Figure 5-1.
• Lubricate the wheels at least once a season with
light oil (or motor oil). If wheels are removed for any
reason, lubricate the axle bolt and inner surface of the
wheel with light oil.
• Lubricate the torsion spring and pivot point on each
end of the discharge chute at least once a season with
light oil to prevent rust.
• The transmission is pre-lubricated and sealed at the
factory and does not require lubrication.
• Follow the accompanying engine manual for lubrica-
tion schedule and instruction for engine lubrication.
Deck Care
WARNING: Never tip the mower more than 90º
in any direction and do not leave the mower
tipped for any length of time. Oil can drain into the
upper part of the engine causing a starting problem.
1. Disconnect spark plug wire. Drain gasoline from lawn
mower or place a piece of plastic under the gas cap.
2. Tip mower so that it rests on the housing. Keep the
side with the air cleaner facing up. Hold mower firmly.
3. Scrape and clean the underside of the deck with a
suitable tool. Do not spray with water.
4. Put the mower back on its wheels on the ground. If
you had put plastic under the gas cap earlier, make
sure to remove it now.
Engine Care
• Maintain oil level as instructed in engine manual.
• Service air cleaner every 25 hours under normal
conditions. Clean every few hours under extremely
dusty conditions. Refer to engine manual.
• Clean spark plug and reset the gap once a season.
Check engine manual for correct plug type and gap
specifications.
• Clean engine regularly with a cloth or brush. Keep the
cooling system (blower housing area) clean to permit
proper air circulation. Remove all grass, dirt and
combustible debris from muffler area.
Replacing Rear Flap
1. Cut off the flat end of the wire rod which secures it to
the deck, Figure 5-2.
2. Attach the new flap and new rod to the deck, bending
the ends of the new rod over to secure to deck.
10

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