MTD YARD-MAN 999 Operator's Manual page 15

21-inch, 6-speed lawn mower
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Place blade bell support on blade. Make sure the
notches on the blade bell support are aligned with
the small hole in the blade.
Replace hex bolt and tighten to secure.
Torque: 450 in. lbs. min., 600 in. lbs. max.
NOTE: To ensure safe operations of your unit, the
blade bolt must be checked periodically for correct
torque.
Lubrication
Blade Control
Lubricate the pivot points on the blade control
handle and the brake cable at least once a season
SECTION 8: SERVICING YOUR MOWER
Replacing Battery Pack
(Electric Start Units Only)
Remove the battery pack from the handle panel for
replacement only. Do not separate the batteries for any
reason. Dispose of batteries properly.
WARNING:
which may cause burns. Do not short circuit or
mutilate batteries in any way. Do not put
batteries in fire as these may burst or release
toxic materials.
When replacing battery pack in handle panel, battery
pack must be positioned with the positive terminal to
Lubricate
Batteries contain sulfuric acid
with light oil. See Figure 21. The blade control must
operate freely in both directions.
Wheels
Lubricate the wheel 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. See Figure 21.
Caster Assembly
Grease fittings are provided for easy lubrication of
the swivel pins located on the front caster
assembly. See Figure 21.
Engine
Follow engine manual for lubrication instructions.
Lubricate
Refer to Engine Manual
Figure 21
the right hand side and the negative terminal to the left
hand side of panel. Replacing the battery pack
incorrectly will cause serious damage. The positive
lead on the wire harness has the smaller connector.
Connect the positive lead to the positive side of the
battery pack, then connect the negative side.
In-line Fuse
(Electric Start Units Only)
The unit is equipped with an in-line fuse. If the unit fails
to start, check the fuse inside the battery cover by
turning the end of the fuse holder and removing from
the battery cover. Replace with standard automotive 7-
1/2 amp fuse.
15
Lubricate
Lubricate

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Yard-man e999

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