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Assembly Instructions
19
Dry Battery Service
DANGER
Activating a battery can be dangerous.
The battery should be taken to a reliable
service station, battery store, or power
equipment dealer where a trained techni-
cian can activate the battery safely. DO
NOT attempt to activate the battery unless
you are experienced in battery service
work. The following activation and charg-
ing instructions are provided for use by a
trained battery technician.
DANGER
Battery electrolyte is a poisonous and cor-
rosive sulfuric acid solution.
• Avoid spillage and contact with skin,
eyes, and clothing - causes severe burns.
• To prevent accidents, wear safety gog-
gles and rubber gloves when working with
electrolyte.
• Neutralize acid spills with baking soda
and water solution.
To ll (activate) battery with electrolyte (if battery has
been shipped dry):
1. Remove the battery hold-down bar, disconnect
the battery cables and lift the battery out of the
tray.
IMPORTANT: Battery must be removed from
the mower before lling with electrolyte.
IMPORTANT: Obtain and use only battery
grade sulfuric acid electrolyte with a 1.265 spe-
cic gravity to activate the battery. DO NOT use
water or any other liquid during initial activation.
2. Remove the ller caps and carefully ll each cell
until the electrolyte is just above the plates.
3. After the battery is lled with electrolyte, replace
the ller caps and charge the battery. Refer to
Battery Charging.
Battery Charging
DANGER
BATTERIES PRODUCE EXPLOSIVE GASES
• Charge the battery in a well-ventilated
area, so that gases produced while charg-
ing can dissipate.
• Keep sparks, ames, and smoking mate-
rials away from the battery at all times.
• Make sure the battery cap vents are open
after the battery is lled with acid (check
manifold vent on each cap).
• Make sure the battery charger is un-
plugged before connecting or disconnect-
ing cables to the battery.
IMPORTANT: Always disconnect the negative (-)
battery terminal before charging. Failure to do so
can result in damage to the ECU.
1. Charge the battery at 15 amps for 10 minutes.
DO NOT exceed 20 amps maximum recom-
mended charging rate. Charge until specic
gravity is at least 1.250. Total charging time
should not exceed one (1) hour.
2. After charging the battery, adjust the electrolyte
level to the bottom of the vent wells [1/4 to 1/2 in.
(6 to 13 mm) above the plates].
IMPORTANT: DO NOT overll the battery.
Electrolyte will overow through the vented caps
onto parts of the machine and WILL result in se-
vere corrosion.
3. Install battery.