MTD 137-496A Owner's Manual page 5

38" riding mower
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5. The battery can now be charged after the 20
minutes setting period. Battery can be SLOW
CHARGED
(DO
NOT
FAST
CHARGE)
at
G
maximum bench rate of 4-5 amperes until the
specific
gravity
reading
is
1.265-1.275.
A
charging rate in excess of this wifi buckie and
warp
the
positive
plates
end
perforate
the
separators, if electrolyte hubbies violently while
charging, reduce charging rate until excessive
bubbling action subsides, then continue charging
until specific gravity is reached.
CAUTION
After battery has been in service, add
only approved water. DO NOT ADD
AGD.
3. To install Battery
To install the battery in this unit, refer to next column.
C. Maintenance
1. Check periodically (every two weeks or before
and after charging) to be sure electrolyte level is
9/16" above separator plates. Add only distilled
water or good quality drinking water. NEVER add
additional acid or other chemicals to battery after
initial activation.
2. The battery should be checked with a hydrometer
after every 25 hours of operation. If the specific
gravity is less than 1.225 remove battery and
recharge.
3. Coat the terminals and exposed wiring with a thin
coat of grease or petroleum jelly for longer
service and protection against electrolyte corro¬
sion.
4. The battery should be kept clean. Any deposits of
acid should be neutralized with soda and water.
Be careful not to get this solution in the cells.
D. Storage
1. Charge battery using normal methods. NEVER
store discharged battery as it will not recover.
2. Store in cold, dry place.
3. Recharge battery whenever the specific gravity is
less then 1.225 before returning to service or
every two months, whichever occurs first.
E. Common Causes for Battery Failure Are:
1. Overcharging
2. Undercharging
3. Lack of wester
4. Loose hold downs and/or corroded connections
7
.
Excessive loads
6. Battery electrolyte substitutes
7. Freezing of electrolyte
THESE FAILURES DO NOT CONSTITUTE
WARRANTY.
LIMITED WARRANTY
For ninety (90) days of original retail purchase, the
' . Ts-ry carries a limited warranty against faulty
material or workmanship by the battery manufact-
1. Open the hood of the riding mower,
2, Place the battery in the battery case with the ter¬
minal to the front. See figure 4.
FIGURE 4.
3. Cut the black rubber tubing approximately 4 inches
long.
4. Push the rubber tubing into the manifold of the
battery and place the other end into the drain tube.
See figures 4 and 5.
NOTE
The vented battery allows any gases or
liquid from the battery to be carried to
the rear of the mower through
the
drain tube.
5

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