SECTION 3 - BASE COMPONENTS
3-26
– JLG Lift –
3121228
3.7 BATTERIES AND BATTERY CHARGER -
SERVICE PROCEDURES
Battery Condition Testing
NOTE:
Batteries in storage should be kept at 12.5V or higher.
Before testing for battery condition, the open circuit volt-
age should be taken from each battery. If the voltage of
the batteries differs by 0.3 volts or more, the lower voltage
battery should be replaced.
Battery Testing Can Be Performed In Two Ways:
1. The batteries can be tested using a battery tester
capable of testing 12V 100Ah AGM VRLA
(Valve
Regulated Lead Acid)
batteries, using the instruc-
tions of the battery tester manufacturer.
2. If an appropriate battery tester is unavailable, the
batteries can be tested by fully charging them with
the charger that is installed in the machine. Then
check the battery voltage of each battery - 4 hours -
after charging is complete. Batteries less than 12.72
volts should be replaced.
NOTE:
If a faulty charger is suspected, the batteries can be charged
using a charger that supplies 2.45 volts/cell. Charging
should be terminated when the charge current drops below 1
amp.
Battery Replacement
Replacement battery(s) must be of equivalent voltage and
amperage output as the OEM battery(s) in order for the
machine to operate to as manufactured specifications.
Battery replacement part weight must also be equivalent
to OEM, (65 lb.) (30Kg) per battery, in order to maintain
machine stability as manufactured.
DO NOT REPLACE ITEMS CRITICAL TO STABILITY, SUCH AS
BATTERIES, WITH ITEMS OF DIFFERENT WEIGHT OR SPECIFI-
CATION. DO NOT MODIFY UNIT IN ANY WAY TO AFFECT STABIL-
ITY.
JLG MACHINES EQUIPPED WITH DELTA Q BATTERY CHARGERS
ARE DESIGNED FOR THE BEST PERFORMANCE WITH OEM FAC-
TORY APPROVED BATTERIES.
APPROVED JLG REPLACEMENT BATTERIES ARE AVAILABLE
THROUGH JLG' S AFTERMARKET PARTS DISTRIBUTION CEN-
TERS OR JLG' S AFTERMARKET PROGRAMS. FOR ASSISTANCE
WITH PROPER BATTERY REPLACEMENT, PLEASE CONTACT
YOUR LOCAL JLG SUPPORT OFFICE.
BATTERIES APPROVED BY JLG HAVE BEEN TESTED FOR COM-
PATIBILITY WITH THE ALGORITHM PROGRAMMING OF THE
DELTA Q BATTERY CHARGER TO OPTIMIZE BATTERY LIFE AND
MACHINE CYCLE TIMES. THE USE OF NON APPROVED BATTER-
IES IN YOUR JLG EQUIPMENT MAY RESULT IN PERFORMANCE
ISSUES OR BATTERY CHARGER FAULT CODES. JLG ASSUMES
NO RESPONSIBILITY FOR SERVICE OR PERFORMANCE ISSUES
ARISING FROM THE USE OF NON APPROVED BATTERIES.
Battery - Installation (2-12V Batteries)
To gain access to the batteries, requires removal of the
front cover and rear drive motor cover, see Section 3.2 on
page 3-2.
Procedure for removal is same for both batteries.
On installation, batteries set in machine with the posts to
the outside. Left side battery (+) POS post at front (shown
below), Right side battery (–) NEG post towards machine
front.
NEVER WORK UNDER AN ELEVATED PLATFORM UNTIL THE
PLATFORM HAS BEEN SAFELY RESTRAINED FROM ANY MOVE-
MENT BY BLOCKING OR OVERHEAD SLING.
Battery Installation - (2-12Volt - Left Side Battery Shown)
1.
Battery (a)
2.
Hold-Down Bracket and
Screw
3.
Battery Posts
4.
Drive Motor Cover Screw
Brackets
NOTE:
(a) The carry deck support frame will need to be pivoted
up at the rear to remove the batteries. Once hold-down
bracket (item 2) is removed, remove the cables from the
battery posts, slide battery forward to clear brackets
(item 4). Then lift battery out of base frame.
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