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,m
Maintenance(Continued)
WARNING
Theelectrolyte (acid) produces a highly explosive gas. Keep
all sparks, flame and fire awayfrom areawhen charging
battery or when handling electrolyte or battery. Electrolyte
(acid) is a highly corrosive liquid. Weareyeprotection.
Wash affected areasimmediately after havingeyeor skin
contact with electrolyte (acid). Batteryacid is corrosive.
Rinseempty acid containers with water and mutilate before
discarding. If acid is spilled on battery, bench, or clothing,
etc., Flushwith clearwater and neutralizewith baking soda.
DONOTattempt to charge battery while installed on the
rider.DONOTuse "BOOST"chargerson the battery.
BatteryService
1. Removethe battery.
Referto the section entitled "BAT-
TERYREMOVAL".
2. Placethe battery in a well ventilated areaon a levelsur-
face.
3. Usingdistilled water,refill the cells as required to cover
the cell plates (of which can also beviewed through the
plastic batterycase).
4. With the cell caps removed,connectthe battery charger
to the batteryterminals. Redto positive (+) terminal
and blackto negative (-) terminal.
5. Slow chargethe battery at 1 amp for 10 hours.
6. If the batterywill not accepta charge or is partially
chargedafter 10 hours of charging at 1 amp, replace
with a new battery.
BatteryStorage
If the mower isto be stored out of season on its rear
bumper, it is recommendedthe battery be removed, charged
and stored.
1. Removethe battery. Referto the section entitled "BAT-
TERYREMOVAL".
2. Perform battery service.
3. Bring the battery to full charge,if required.
4. Store the battery in an areaaway from the rider on a
wood surface. DONOTSTORETHE BATTERYONA
CONCRETESURFACE.
New BatteryPreparation
1. Removethe battery from the carton.
2. Placethe battery in a well ventilated areaon a levelnon-
concrete surface.
3. Removethe battery cell caps. Fillthe cells as required
with electrolyte (purchased separately)to the proper
level. Fillingthe battery with electrolyte will bring the
battery to 80% chargedstate.
4. With the cell caps removed,connectthe battery charger
to the batteryterminals; REDto positive (+) and BLACK
to negative(-) terminal.
WARNING
DONOTattempt to chargethe batterywhile installed on
the rider. DONOTuse"BOOST"chargers on the battery.
DONOTOVERFILL!
IMPORTANT:Never placeanything in the battery otherthan
the specified electrolyte.
5. Slow chargethe battery at 1 amp for 2 hours to bring
the battery to full charge.
6. After charging, check the levelof electrolyte and add as
neededto bring the levelto 3/16" abovethe cell plates.
7. Reinstallthe cell caps.
8. Removethe hair pin and swivel from the deck support
to allow clearancefor battery installation.
9. Slide the battery partially into the battery housing.
lO.Connect the red positive (+) cable(B, Figure 49) first,
from the wiring harnessto the positive terminal (+) on
the battery, using the bolt and nut provided in the hard-
ware bag.Connectthe black negative(-) cable(A) last,
to the negativeterminal (-) on the battery, usingthe bolt
and nut. Apply a small amount of greaseover the termi-
nalsto prevent corrosion.
11.Insert the battery completely into the battery housing.
12.Reinstallthe battery cover (A, Figure48).
13.Reinstallthe swivel and hair pin for the decksupport.
Battery Testing
Thereare two types of batterytests: Unloadedand Loaded.
Theunloaded test isthe procedurethat will be discussed. It's
the simplest and most commonly used.An unloadedtest is
madeon a batterywithout discharging current. Toperform
unloaded testing, checkcharge condition using either a
hydrometer or voltmeter.
1. Using avoltmeter,voltage readingsappear instantly to
show the stateof charge. Rememberto hookthe posi-
tive leadto the battery's positiveterminal, and the nega-
tive leadto the negativeterminal.
2. A hydrometer measuresthe specific gravity of eachcell.
Thespecific gravity tells the degreeof charge; generally,
a specific gravity of about 1.265 to 1.280 indicatesfull
charge. A readingof 1.230 to 1.260 indicatesthe battery
should be charged.The chart on the next pageshows
the charge levelas measuredby syringe float hydrome-
ter, digital voltmeter and five ball hydrometer.
WARNING
Shield the positive terminal with the terminal cover located
on the battery harness. This preventsmetal from touching
the positive terminal, which could cause sparks.
26 www.snapper.com
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