JLG 15SP Service Manual - Manual (Page 25)

SECTION 2 - SERVICE PROCEDURES
3120775 – JLG Lift – 2-11
AC Circuit Breaker and Voltage Selection
Switch Replacement
1. Remove the wiring from the AC breaker or Voltage
Selection Switch terminals.
2. To remove the breaker or switch from the front face
of the charger, on the inside of the charger front
face, push in on the tabs located on the sides of the
breaker/switch assembly and remove the assembly
out the front of the charger.
Shunt Assembly, Varistor, and SCR Rectifier
Replacement (See Illustration)
Shunt Assembly (Item #1)
1. Carefully remove the screw from the end of the
shunt assembly. The white insulator may need to be
restrained to keep it from turning while removing the
shunt assembly fasteners. Also make note of the
position of each washer, nut and wire connector
when removing for later assembly.
SCR Rectifier Replacement (Item #2)
1. Remove the wiring from the SCR Rectifier.
2. Remove the nut securing the rectifier to the insulated
aluminum chassis bracket.
3. Remove the SCR Rectifier.
Varistor Replacement (Item #3)
1. Remove the fasteners securing the varistor to the
aluminum angle bracket (see illustration below). One
through the rear panel of the base with a short white
spacer and one at the long white insulator attaching
the shunt assembly to the bracket.
2. Remove the varistor from it’s mount.
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