SECTION 2 - SERVICE PROCEDURES
2-8
31215808
2.5
BATTERY CHARGER - ASSEMBLY AND
DISASSEMBLY
General Information
DO NOT ATTEMPT TO DISASSEMBLE THE BATTERY CHARGER IF MACHINE IS
STILL UNDER WARRANTY. OPENING THE BATTERY CHARGER WHILE THE
MACHINE IS UNDER WARRANTY WILL VOID THE CHARGER WARRANTY. IF
UNDER WARRANTY REQUEST A REPLACEMENT CHARGER FROM THE FACTORY.
ALSO BEFORE REPLACING ANY COMPONENT, USE THE CHARGER MANUFAC-
TURERS (SCR) BATTERY CHARGER MANUAL INCLUDED WITH THE MACHINE
FOR CHECKING THE INTERNAL AC AND DC CIRCUITS TO DETERMINE WHICH
COMPONENT HAS FAILED. COMPLETE WIRING DIAGRAMS PERTAINING TO
YOUR MODEL CHARGER ARE ALSO INCLUDED IN THE MANUFACTURERS (SCR)
BATTERY CHARGER MANUAL
The AM Series dual AC input battery charger allows for
replacement of the following internal components. Consult
your Illustrated Parts Manual for part numbers of these com-
ponents which are available from the JLG Parts Department:
• Transformer
• Printed Circuit Board
• Shunt Assembly
• Interlock Relay
• SCR Rectifier
• AC Circuit Breaker
• DC Circuit Breaker
Replacement and troubleshooting of these components
requires removal of the battery charger from it’s mounting on
the charger/battery box assembly.
Battery Charger Removal
1. If plugged in, unplug the AC voltage cord from AC recep-
tacle and remove the charger/battery box unit from the
machine.
2. Disconnect the
+
(RED) and
–
(BLACK) charging wires
from the charger to the battery terminals in the lower
battery compartment.
3. Remove the four (4) mounting bolts and washers located
on the back of the upper battery box section, securing
the charger into the upper section.
4. Remove the charger through the front opening while
pulling the charging wires (RED/BLACK) through the hole
on the bottom of the upper battery box section.
Cover Removal
5. Remove the ten (10) screws on the sides and top of the
charger cover and remove cover.
Go
to
Discount-Equipment.com
to
order
your
parts