Genie TMZ-50/30 Service Manual page 130

Section 4 • Repair Procedures
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DRIVE COMPONENTS (OPTION)
4 Disconnect the blue connector from the circuit
board at the connection marked
sliding the connector parallel to the circuit
board.
Component damage hazard. The
circuit board will become damaged
if the wire harness and connector
are disconnected without proper
care. Do not pull upwards on the
connector.
Component damage hazard. The
circuit board may become
damaged if the weight from the
control box lid pulls on the wire
harness. Do not put any weight or
strain on the wires.
Component damage hazard.
Electrostatic discharge (ESD) can
damage printed circuit board
components. Use a grounded
wrist strap at all times when
handling printed circuit boards.
5 Install the lid onto the control box. Finger-tighten
the retaining fasteners.
6 Starting at the lower corners of the touch pad,
remove all layers of the key pad from the
control box lid.
The wire harness and blue
connector will interfere if removing
the touch pad from the top.
7 Pull the blue connector through the slot in the
control box lid and discard the old touch pad.
Remove any remaining sealant from the slot.
8 Using a mild solvent, clean the surface of the
control box lid. Allow the surface to dry.
Component damage hazard. The
circuit board will become damaged
if it comes in contact with solvent.
Do not allow solvent to contact the
circuit board.
4 - 76
9 Remove all the brown backing material from the
by new touch pad.
KEYPAD
10 Insert the blue connector from the new touch
pad through the slot. Carefully align the
AUTOMATIC LEVELING
with the window in the new touch pad and
lightly lay the touch pad onto the control box lid.
11 When satisfied with the position of the touch
pad, firmly press down the entire surface of the
touch pad with your fingers.
12 Loosen the control box lid retaining fasteners
and open the lid.
13 Using RTV-type sealant, completely seal the
opening in the slot of the control box lid around
the wire harness.
14 Apply dielectric grease to the pins on the circuit
board at the connection marked
15 Install the blue connector onto the circuit board
pins at the connection marked
connector parallel to the circuit board until the
connector is fully pushed onto the circuit board
pins.
16 Install the lid onto the control box and tighten
the retaining fasteners. Do not overtighten.
17 Install the control box onto the machine.
18 Using dielectric grease at the connection,
securely connect the drive controls wire
harness to the ground control box.
TMZ-50/30
June 2005
LED on the control box lid
Repositioning the touch pad is
possible if the touch pad is lightly
adhered to the lid. Do not apply
any pressure to the touch pad.
KEYPAD
. Slide the
KEYPAD
Be sure all pins are in the
connector.
Part No. 65162
REV B
.