June 2021
Service and Repair Manual
Control System
Part No. 1285307GT
S
®
-80 J, S
®
-80 J TraX
™
23
1-7
How to Replace the Display
Controller (DISCON) Module
1 Push in the red Emergency Stop button to the
off position at both the ground and platform
controls.
2 Disconnect the negative terminal from the
start battery and auxiliary battery, if equipped.
1 ground box lid
2 DISCON gasket
3 flat washer
4 hex nut
5 DISCON door
6 Torx head screws
7 ribbon cable
8 DISCON
3 Open the ground box lid (1) and disconnect
the wire harness going to the display
controller (DISCON).
4 Remove the DISCON door from the back by
loosening the four Torx head screws (8) and
remove the two ribbon cables (6) connecting
the ground box overlay to the DISCON.
Note the orientation of the cables for
reassembly.
5 Remove the DISCON from the ground control
box lid by removing the five hex nuts and
washers (4, 5). Discard the nuts and washers.
Note the lanyard attachment point for
reassembly.
6 Remove the old DISCON gasket (2) from the
ground box lid and clean the lid surface from
any dirt, oil or old adhesive residue. Use a
99% solution of isopropyl alcohol to clean the
surface. Allow the surface to completely dry.
Note: Both the ground box lid and new gasket
must be 70° F / 21° C or higher at the time of
application. Application of the new gasket at lower
temperatures is not recommended.
7 Peel the adhesive protective film from the
back of the new gasket. Carefully line up the
new gasket over the ground box lid, making
sure the cutouts for the LCD screen, ribbon
cables and mounting studs are centered and
lining up with the gasket. Apply the new
gasket to the ground box lid and work from
the center out to eliminate air bubbles and
make sure all the gasket edges are securely
fixed.
Note: Once applied it is not recommended to lift
the gasket and attempt to reposition it.
8 Install the new DISCON onto the ground box
lid and fasten it using the new hex nuts and
washers. All five fastening points must be
used. Attach the DISCON door's lanyard to
the DISCON's mounting stud.
9 Evenly tighten the nuts, beginning with the
lower center nut, working out and then up.
10 Install the new ribbon cables, connecting the
ground box overlay to the DISCON and
reinstall the DISCON door, using the Torx
head screws removed in step 4. Be sure to
fully lock the tabs after the ribbon cables have
been fully inserted.
11 Reconnect the wire harness going to the
DISCON, then close and fasten the ground
box lid.
12 Reconnect the negative terminal to the start
battery and auxiliary batteries, if equipped.
Содержание Genie S-80 J
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