ArcGlide THC Replacement Parts Field Service Bulletin 806560 27
2 – Replacing ArcGlide parts
228589 – LCD display
The LCD display is used in both the control module and
the HMI.
To remove the LCD display in the control module, follow
t
he steps in Accessing control module parts on
page 12
to open the rear panel of the control module. Set aside all
sc
rews and other hardware for reuse.
To access the LCD display, you must use the following
proce
dures to remove additional parts:
428081 – Servo amplifier module on page 36
228578 – THC processor board on page 15
228577 – THC control interface board on page 14
Follow the instructions on page 28 to replace the LCD display in an HMI.
To remove the LCD display in a control module:
1. Remove the
ribbon cable from the LCD display board.
2. Cut the cable tie that attaches the red and black wires to the LCD display.
3. Remove the 4 screws from the standoffs at the corners of the display board.
4. Lift the board off the standoffs.
To replace the LCD display in a control module:
1. Fit
the new LCD display board over the standoffs with the black connector next to the green ribbon cable.
2. Fasten the 4 screws in the standoffs. Tighten the screws to 1.13 N·m (10 lb·in.).
3. Use cable ties to secure the red and black wires to the cable tie anchor on the front of the enclosure.
4. Connect the 16-pin ribbon cable to the black connector on the board.
Use the following procedures to repl
ace additional parts:
228577 – THC control interface board on page 14
228578 – THC processor board on page 15
428081 – Servo amplifier module on page 36
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