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OPERATION AND SERVICE INFORMATION
Read all of Manual to become thoroughly familiar with this vehicle. Pay particular attention to all Notes, Cautions and Warnings
lose .002 of specific gravity each day. If a fully charged
battery has a specific gravity of 1.275, and the battery is
allowed to sit unused, it will become partially discharged.
When it reaches 1.240, which it will do in less than
twenty days, it should be recharged. If a battery is left in
a discharged state, sulfating takes place on and within
the plates. This condition is not reversible and will cause
permanent damage to the battery. In order to prevent
damage, the battery should be recharged. A hydrometer
can be used to determine the specific gravity and there-
fore the state of charge of a battery.
In winter conditions, the battery must be fully charged to
prevent the possibility of freezing (Ref Fig. 27 on page
22). A fully charged battery will not freeze in tempera-
tures above -75° F (-60° C). Although the chemical reac-
tion is slowed in cold temperatures, the battery must be
stored fully charged, and disconnected from any circuit
that could discharge the battery. The controller should be
disconnected from the batteries by setting the Run-Tow/
Maintenance switch, located under the passenger seat,
to the 'TOW/MAINTENANCE' position. For portable
chargers, disconnect the charging plug from the vehicle
receptacle. For on-board chargers, disconnect the charg-
ing harness from the batteries. The batteries must be
cleaned and all deposits neutralized and removed from
the battery case to prevent self discharge. The batteries
should be tested or recharged at thirty day minimum
intervals.
O
O
F
C
E
L
+15
-9
E
C
+5
-15
T
-5
-21
R
O
-15
-26
L
Y
-25
-32
T
E
-35
-37
T
-45
-43
E
-55
-48
M
P
-65
-54
E
R
-75
-60
A
T
-85
-65
U
R
-95
-71
E
1.140
1.100
1.120
1.160
SPECIFIC GRAVITY ELECTROLYTE FREEZING POINT
Fig. 27 Freezing Point of Electrolyte
Page 22
1.180
1.220
1.260
1.300
1.200
1.240
1.280
Owner's Manual and Service Guide
BATTERY CHARGING
The battery charger is designed to fully charge the bat-
tery set. If the batteries are severely deep cycled, some
automatic battery chargers contain an electronic module
that may not activate and the battery charger will not
function. Automatic chargers will determine the correct
duration of charge to the battery set and will shut off
when the battery set is fully charged. Always refer to the
instructions of the specific charger used.
Before charging, the following should be observed:
Do not overfill batteries. The charging cycle will expel
electrolyte and result in component damage.
•
The electrolyte level in all cells must be at the rec-
ommended level and cover the plates.
•
The charging must take place in an area that is
well ventilated and capable of removing the hydro-
gen gas that is generated by the charging pro-
cess. A minimum of five air exchanges per hour
is recommended.
•
The charging connector components are in good
condition and free from dirt or debris.
•
The charger connector is fully inserted into the
vehicle receptacle.
•
The charger connector/cord set is protected from
damage and is located in an area to prevent injury
that may result from personnel running over or
tripping over the cord set.
•
The charger is automatically turned off during the
connect/disconnect cycle and therefore no electri-
cal arc is generated at the DC plug/receptacle
contacts.
In some portable chargers, there will be a rattle present in the
body of the charger DC plug. This rattle is caused by an internal
magnet contained within the charger plug. The magnet is part
of the interlock system that prevents the vehicle from being
driven when the charger plug is inserted in the vehicle charging
receptacle.
AC Voltage
Battery charger output is directly related to the input volt-
age. If multiple vehicles are receiving an incomplete
charge in a normally adequate time period, low AC volt-
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