Husqvarna M-ZT 52 Operation Manual - Page 37

Battery, Battery Removal, Replacing battery

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MAINTENANCE Battery 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. WARNING! Always wear eye protection when around batteries. Battery Removal Corrosion and dirt on the battery and terminals can cause the battery to lose power. 1. Open the terminal access doors. 2. Disconnect BLACK battery cable first, then the RED battery cable and remove the battery from the machine. 3. Rinse the battery with plain water and dry. 4. Clean terminals and battery cable ends with wire brush until shiny. 5. Coat terminals with grease or petroleum jelly 6. Reinstall battery. STANDARD BATTERY 12.6V 12.4V 12.2V 12.0V 11.8V STATE OF CHARGE 100% 75% 50% 25% 0% APPROXIMATE BATTERY CHARGING TIME* TO FULL CHARGE AT 80OF / 27OC Maximum Rate at: 50 Amps 30 Amps 20 Amps 10 Amps - FULL CHARGE - 20 min. 35 min. 48 min. 90 min. 45 min. 75 min. 95 min. 180 min. 65 min. 115 min. 145 min. 280 min. 85 min. 150 min. 195 min. 370 min. *Charging time depends on battery capacity, condition, age, temperature and efficiency of charger 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! 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 first to prevent sparks from accidental grounding. Replacing battery 1. Lift seat and rotate forward. 2. Open terminal access doors 3. Using two ½" wrenches disconnect BLACK battery cable then RED battery cable. 4. Using a 7/16 wrench, remove the bolts on either side of the terminal guard and lift off guard. 2 5. Carefully remove the battery from the mower. 6. Install new battery with terminals in the same position as the old battery. 7. Reinstall battery terminal guard. 1 2 8. First connect RED battery cable to positive (+) battery terminal with hex bolt and hex nut. 9. Connect BLACK grounding cable to negative (-) battery terminal with remaining hex bolt and hex nut. 10. Close access doors. 11. Lower seat. 1. Terminal guard 2. Access doors Battery cleaning and installation 8066-049 37

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37
MAINTENANCE
Battery
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.
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
first 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 efficiency of charger
Battery Removal
Corrosion and dirt on the battery and terminals can
cause the battery to lose power.
1.
Open the terminal access doors.
2.
Disconnect BLACK battery cable first, then the
RED battery cable and remove the battery from
the machine.
3.
Rinse the battery with plain water and dry.
4.
Clean terminals and battery cable ends with wire
brush until shiny.
5.
Coat terminals with grease or petroleum jelly
6. Reinstall battery.
Replacing battery
1. Lift seat and rotate forward.
2. Open terminal access doors
3. Using two ½" wrenches disconnect BLACK battery
cable then RED battery cable.
4. Using a
7
/
16
wrench, remove the bolts on either side
of the terminal guard and lift off guard.
5. Carefully remove the battery from the mower.
6. Install new battery with terminals in the same
position as the old battery.
7. Reinstall battery terminal guard.
8. First connect RED battery cable to positive (+)
battery terminal with hex bolt and hex nut.
9. Connect BLACK grounding cable to negative (-)
battery terminal with remaining hex bolt and hex
nut.
10. Close access doors.
11. Lower seat.
8066-049
1. Terminal guard
2. Access doors
Battery cleaning and installation