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NOTE: If the overload protection switch pops out
repeatedly during operation or will not remain in when
attempting to reset, contact your Authorized Service
Center to arrange for repair.
Battery Care
IMPORTANT: Replace with only the identical batteries
provided with this mower (Part number 726-04381).
The batteries should only be replaced by an authorized
service dealer.
WARNING: Due to a potential shock
hazard, DO NOT attempt to remove the
motor/battery shroud. There are no user
serviceable parts inside. Contact your
nearest Authorized Service Center if
repairs are needed.
Blade Care
WARNING: When removing the cutting
blade for sharpening or replacement,
protect your hands with a pair of heavy
gloves or use a heavy rag to hold the
blade. Be certain to stop motor and
remove key.
Periodically inspect the blade adapter for cracks,
especially if you strike a foreign object. Replace when
necessary. Follow the steps below for blade service.
1. Stop the motor and remove ignition key. Turn the
mower on its side.
2. Use a block of wood between blade and mower deck
to prevent the blade from turning when the bolt is
removed.
3. Loosen and remove the blade bolt, loccking plate, and
blade. See Figure 6-3.
4. The blade can be sharpened with a file or on a grind-
ing wheel. Do not attempt to sharpen the blade while
it is still on the mower. When sharpening blade, follow
original angle of grind. Grind cutting edges equally to
keep blade balanced.
5. Remove blade from the adapter for testing balance.
Balance the blade on a round shaft screwdriver to
check. Remove metal from the heavy side until it
balances evenly.
WARNING: An unbalanced blade will
cause excessive vibration when rotating
at high speeds. It may cause damage
to mower and could break causing
personal injury.
6. Place the cutting blade, locking plate, and blade bolt
on the motor shaft and thread the blade bolt in finger
tight. Refer to Figure 6-3.
NOTE: Make certain to replace the parts in the exact
order in which they were removed. When installing the
cutting blade, be sure it is installed with the curved ends
pointing towards the mower deck and not towards the
ground.
Locking
Plate
Figure 6-3
7. Torque the blade bolt down using a torque wrench to
assure the bolt is tightened properly. The recom-
mended torque for the blade bolt is 170-220 in. lbs.
WARNING: The blade hardware is not
only used to attach the blade as-
sembly, but is also an insulated safety
device and should never be altered in
any way. If replacement is necessary, use original
equipment parts as shown in the parts list.
To ensure safe operation of your mower, periodically
check the blade bolt for correct torque.
Off-Season Storage
The following steps should be taken to prepare your
lawn mower for storage.
• Clean and lubricate mower thoroughly as described
in the lubrication instructions.
• We do not recommend the use of a pressure washer
or garden hose to clean your unit.
• Make certain the power supply is disconnected.
• 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.
• Wipe the cord to remove any foreign substance such
as oil.
• Sore mower fully charged.
IMPORTANT: Always recharge mower fully. The
charger is a two stage charger. The first stage, equalize,
supplies a higher voltage to the batteries. This helps
speed charge time and balance the charge across the
individual batteries. The second stage, float, supplies
a lower voltage. This prevents the batteries from
experiencing overcharging damage and also "tops off"
the battery charge. Depending on battery condition the
equalize stage will complete in approximately 8 hours.
When the equalize stage is complete the charger's
green LED will stop blinking. This starts the float stage.
During the float stage the chargers green LED will be on
continuously. The float stage will "top off" the batteries
in approximately 4-6 hours, again, depending on the
condition of the battery. However, a full 14 hour charge
is always recommended.
13
Blade
Maintaining
Your Lawn
Blade
Mower
Bolt
WARNING
When removing
the cutting blade
for sharpening or
replacement, protect
your hands with a
pair of heavy gloves
or use a heavy rag to
hold the blade.
An unbalanced blade
will cause excessive
vibration when rotat-
ing at high speeds. It
may cause damage
to mower, and could
break causing per-
The blade hardware
is not only used to
attach the blade
assembly, but is also
an insulated safety
device and should
never be altered in
any way. If replace-
ment is necessary,
use original equip-
ment parts as shown
in the parts list.
6
sonal injury.
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