JLG G12-55A AccuPlace Service Manual - Manual (Page 125)

9.7 G10-55A & G12-55A AccuPlace
Electrical System
9.5 CONTROL MODULES
9.5.1 CAN Distribution Module
The CAN Distribution Module (1) is located at the rear of
the machine between the boom masts.
a. CAN Module Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Disconnect the battery negative (-) cable from the
battery negative (-) terminal.
5. Remove the bolts attaching the CAN Module to the
mounting bracket (2) and remove the CAN Module.
6. Disconnect the electrical harnesses attached to the
CAN Module.
7. If needed, remove the four screws on the CAN
Module cover and remove the cover to gain access
to the terminals.
b. Disassembly
DO NOT disassemble the CAN Module other than
removing the cover. The module is not serviceable.
Replace the module if found to be defective.
c. CAN Module Installation
1. If removed, install the cover on the CAN Module.
2. Attach the CAN Module to the mounting bracket with
the appropriate hardware.
3. Reconnect the electrical harnesses to the CAN
Module.
4. Connect the negative (-) battery cable to the negative
(-) battery terminal.
5. Close and secure engine cover.
MAP0520
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