REV C
Section 4 • Repair Procedures
June 2005
4 - 26
TMZ-34/19
Part No. 52075
5 Starting at the upper corners of the touch pad,
remove all layers of the touch pad from the
control box lid.
The wire harness and large blue
connector will interfere if removing
the touch pad from the bottom.
6 Pull the large blue connector through the slot in
the control box lid and discard the old touch
pad. Remove any remaining sealant from the
slot.
7 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.
8 Remove all the brown backing material from the
new touch pad.
9 Insert the large blue connector from the new
touch pad through the slot. Carefully align the
battery power LED on the control box lid with
the window in the new touch pad and lightly lay
the touch pad onto 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.
10 When satisfied with the position of the touch
pad, firmly press down the entire surface of the
touch pad with your fingers.
11 Loosen the control box lid retaining fasteners
and open the lid.
12 Using RTV-type sealant, completely seal the
opening in the slot of the control box lid around
the wire harness.
13 Apply dielectric grease to the pins on the circuit
board at the connection marked
KEYPAD
.
14 Install the large blue connector onto the circuit
board pins at the connection marked
KEYPAD
.
Slide the connector parallel to the circuit board
until the connector is pushed onto the circuit
board pins no less than 0.2 inch / 5 mm.
Be sure all pins are in the
connector.
15 Install the lid onto the control box and tighten
the retaining fasteners. Do not overtighten.
GROUND CONTROLS
