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Yard-Man 13875-8 Owner's Manual page 6

36" riding mowers

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DANGER *
-.~.
C.
MAINTENANCE
1. Check
periodically
(every
two
weeks
or
before and after charging)
to be sure elec-
trolyte
level
is
9/16"
above
separator
plates.
Add
only
distilled
water
or good
quality
drinking
water.
NEVER
add addi-
tional
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
corrosion.
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 than 1.225 before returning
to
service
or every
two
months,
whichever
comes first.
BATTERIES
CONTAIN
SULFURIC
ACID AND MAY CONTAIN
EXPLO-
SIVE GASES
(when
electrolyte
has
been added)A.
Keep sparks,
flame, cigarettes
away.
B. Hydrogen
gas
is generated
during
charging
and discharging.C.
Ventilate
when charging
or using
in enclosed
space.
D. When
using
a
charger-to
avoid
sparks,
NEVER connect
or disconnect
charger clips to
battery while charger is turned on.
E. Always shield eyes, protect skin and clothing
when working
near batteries.
ACTIVATING
THE
BATTERY
1. Place
battery
to
be
filled
on
bench
or
workbench.
NEVER activate
battery
in unit.
Remove vent caps from all cells.
2. Fill
each cell
carefully
using
battery
grade
1.250-1.265
specific
gravity.
Sulfuric
acid to
be 3/8"
above the top of the separators
or to
split ring.
3. Allow battery to set for 20 minutes
to V2 hour.
Add additional
acid if necessary to bring it up
to the proper level.
4. Replace the vent caps.
5. The battery
can now be charged
after the 20
minutes
setting
period.
Battery can be SLOW
CHARGED
(DO
NOT FAST
CHARGE)
at a
maximum
bench rate of 4-5 amperes
until the
specific
gravity
reading
is 1.265-1.275.
A
charging
rate in excess of this will buckle and
warp
the
positive
plates
and
perforate
the
separators.
If electrolyte
bubbles
violently
while
charging,
reduce
charging
rate
until
excessive
bubbling
action
subsides,
then
continue
charging
until
specific
gravity
is
reached.
E.
COMMON CAUSES FOR BATTERY FAILURE
ARE:
1. Overcharging
2. Undercharging
3. Lack of water
4. Loose hold downs and I or corroded con-
nections
5. Excessive loads
6. Battery electrolyte substitutes
7. Freezing of electrolyte
NOTE
THESE FAILURES DO NOT CON-
STITUTE WARRANTY.
~ CAUTION
After battery has been in service,
add only approved water. DO NOT
ADD ACID.
B. TO INSTALL BATTERY
To install the battery in this unit, refer to page
7.
1.
Remove the access panel on rear of rider. See
figure 5.
6

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13885-8