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MAINTENANCE
36-Husqvarna
Battery
Your 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
IMPORTANT INFORMATION
Do not attempt to open or remove caps or
covers. Adding or checking level of electrolyte
is not necessary.
Always use two wrenches for the terminal
screws.
WARNING!
Always wear eye protection when
around batteries.
WARNING!
Do not short battery terminals by
allowing a wrench or any other
object to contact both terminals at
the same time. Before connecting
battery, remove metal bracelets,
wristwatch bands, rings, etc.
Positive terminal must be connected
rst to prevent sparks from
accidental grounding.
STANDARD
BATTERY
STATE
OF
CHARGE
APPROXIMATE BATTERY CHARGING TIME*
TO FULL CHARGE AT 80
O
F / 27
O
C
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 efciency of charger
Cleaning battery and terminals
Corrosion and dirt on the battery and terminals can
cause the battery to “leak” power.
Move terminal covers.1.
Disconnect BLACK battery cable rst, then the 2.
RED battery cable and remove the battery from
the machine.
Rinse the battery with plain water and dry.3.
Clean terminals and battery cable ends with wire 4.
brush until shiny.
Coat terminals with grease or petroleum jelly5.
Reinstall battery.6.
Replacing battery
Lift seat and rotate forward. 1.
Using two ½” wrenches disconnect BLACK 2.
battery cable then RED battery cable.
Position deck to lowest setting.3.
Front underside of frame, remove the nuts that 4.
secure the battery hold-down.
Carefully remove the battery from the mower.5.
Install new battery with terminals in the same 6.
position as the old battery.
Reinstall battery hold-down and secure with 7.
nuts removed in Step 4.
Reconnect RED battery cable to positive (+) 8.
battery terminal with hex bolt and hex nut.
Connect BLACK grounding cable to negative 9.
(-) battery terminal with remaining hex bolt and
nut
Replace terminal boot cover.10.
Lower seat11.
8050-109
Remove battery hold-down to replace battery