RedMax 577616913, Operator'S Manual

Page: 22 / 36

STD
BATTERY
STATE
OF
CHARGE
APPROXIMATE CHARGING TIME*
TO FULL CHARGE AT 80
O
F
Maximum Rate at:
50 Amps 30 Amps 20 Amps 10 Amps
12.6V 100% - FULL CHARGE -
12.4V 75% 20 min. 35 min. 48 min. 90 min.
12.2V 50% 45 min. 75 min. 95 min. 180 min.
12.0V 25% 65 min. 115 min. 145 min. 280 min.
11.8V 0% 85 min. 150 min. 195 min. 370 min.
*Charging time depends on battery capacity,
condition, age, temperature and efficiency of charger
Battery
If the battery is too weak to start the engine, it
must be recharged.
Jumper Cable Use
1. Connect each end of the RED cable to the
POSITIVE (+) terminal on each battery, taking
care not to short against chassis.
2. Connect one end of the BLACK cable to the
NEGATIVE (-) terminal of the fully charged
battery.
3. Connect the other end of the BLACK cable
to a good CHASSIS GROUND on the mower
with the discharged battery, away from the
fuel tank and battery.
To remove cables, reverse order
1. Remove BLACK cable first from chassis and
then from the fully charged battery.
2. Remove RED cable last from both batteries.
The mower is equipped with a maintenance
free battery and does not need servicing.
However, periodic charging of the battery with an
automotive type battery charger will extend its life.
• Keep battery and terminals clean.
• Keep battery bolts tight.
• See chart for charging times.
Cleaning the battery and terminals
Corrosion and dirt on the battery and terminals
can cause the battery to lose power.
3. Lift the seat and rotate fully forward until
supported by the seat rod.
4. Loosen the two wing nuts attached to the side
J bolts just enough that the battery mount
bracket slides down off the battery.
5. Lift seat and rotate forward.
6. Using two 1/2” wrenches disconnect BLACK
battery cable then RED battery cable.
7. Remove the battery from the machine.
8. Rinse the battery with plain water and dry.
9. Clean terminals and battery cable ends with
wire brush until shiny.
10. Coat terminals with grease or petroleum jelly.
Replacing battery
1. Install the new battery with terminals in the
same position as the old battery.
2. Connect RED battery cable first to positive (+)
battery terminal.
3. Connect BLACK grounding cable to negative
(-) battery terminal.
4. Slide mount bracket back up over battery and
retighten wing nuts.
IMPORTANT INFORMATION Do not open
or remove caps or covers. Adding or checking
level of electrolyte is not necessary.
Always use two wrenches for the terminal
screws.
CAUTION! Always wear eye
protection when around batteries.
CAUTION!
Lead-acid batteries generate
explosive gases. Keep sparks, flame and
smoking materials away from batteries.
22
MAINTENANCE