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Engine—Follow engine manual for lubrication in¬
structions.
Throttle—Periodically lubricate throttle control lever
and throttle wire assembly with a few drops of light oil
for ease of operation.
Transmission—The transmission is pre-lubrica ted and
sealed at the factory. It does not require checking. If
disassembled for any reason, fill with 2 ouices of
Alvania grease, part number 737-0168.
MAINTENANCE
A
WARNING: Be sure to disconnect and
ground the spark plug wire before per¬
forming any repairs or maintenar ce.
NOTE: When tipping the unit, empty the fuel lank and
keep engine spark plug side up.
TROUBLE SHOOTING
Refer to page 19 of this manual for trouble ehooting
information.
BATTERY PACK REPLACEMENT
Remove the battery pack from the handle panel for
replacement only. Do not separate the batterie 3 for any
reason. Dispose of batteries properly.
A
WARNING: Batteries contain sulfi ric acid
which may cause burns. Do not s lort cir¬
cuit or mutilate in any way. Do not put bat¬
teries in fire. They may burst or release
toxic materials.
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
The unit is equipped with an in-line fuse. If unit fails
to start, check the fuse in the wiring harness by turn¬
ing the end of the fuse holder and pulling apart. See
figure 28. Replace with standard automotive 7V2 amp
fuse.
Harness
FIGURE 28.
CUTTING BLADE
When removing the cutting blade for sharpening or
replacement, protect hands by using heavy gloves or
a rag to grasp the cutting blade. Remove the bolt and
bell washer which hold the blade and adapter to the
engine crankshaft. Remove the blade and adapter from
the crankshaft.
If the blade or blade adapter needs replacing, remove
the two small bolts, lock washers and nuts which hold
the blade to the adapter.
When replacing battery pack in handle panel, battery
pack must be positioned with the positive tei minal to
the right hand side and the negative terminal tD the left
hand side of panel. See figure 27. Replacing the bat¬
tery pack incorrectly will cause serious damage.
WARNING: Periodically inspect the blade
adapter for cracks, especially if you strike
a foreign object. Replace when necessary.
When sharpening the blade, follow the original angle
of grind as a guide. It is extremely important that each
cutting edge receives an equal amount of grinding to
prevent an unbalanced blade. An unbalanced blade will
cause excessive vibration when rotating at high speeds,
may cause damage to the mower and could break,
causing personal injury.
It is recommended that the blade always be removed
from the adapter for the best test of balance. The blade
can be tested by balancing it on a round shaft
screwdriver. Remove metal from the heavy side until
it balances evenly.
Before reassembling the blade and the blade adapter
to the unit, lubricate the engine crankshaft and the inner
surface of the blade adapter with light oil. Lubricating
the bolt holes, bolts and inner surface of the nuts with
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