COATS Kit 8112877 User Manual
Touch Panel Replacement Instructions
1. Unplug the balancer from the power source.
2. Remove the weight tray from the balancer.
3. Unplug all wires from both the input and output sides of the transformer from the wiring
harness (see figure 1) and remove the original
transformer.
5. Install the new transformer (Part no. 8112875)
and connect the wires as shown in Figure 1.
7. Reinstall the weight tray.
8. Now remove the screw from the plastic bezel
and take off the Bezel.
9. Remove screws from the original touch panel
assembly.
10. Unplug the original touch panel assembly
from the wiring harness.
11. Install the new touch panel assembly (Part no.
8110735) by plugging the wiring assembly
adapter (Part no. 8112868) into existing wiring
harness.
IMPORTANT! Be sure to align pin 1 of the
24 position connector to pin 1 of the existing
18 position connector (see figure 2).
12. Plug the 6 position connector into the existing
6 position connector (see figure 2).
13. Using the acorn nuts supplied (Part no.
8111055) reassemble the new touch panel
assembly.
14. Replace the plastic Bezel.
15. When powered up, enter shift zero (9, 6), which
clears the Eprom.
16. Power off and back on.
17. Enter shift zero (1, 0) to go immediately into
calibration mode.
Touch Panel Replacement Kit 8112877
For use with COATS Model 1004 Wheel Balancers
8112876 02 5/05 Page 1 of 2
COATS, Inc. • Hennessy Industries • 1601 J.P. Hennessy Drive, LaVergne, TN 37086-3565
(800) 688-6359 • (615) 641-7533 • (615) 641-5104 FAX
Touch Panel Replacement Parts
Qty. Part No. Description
1 8110735 Touch Panel Assembly
4 8111055 Nut, 6-32 Acorn
1 8112875 Transformer
1 8112868 Harness, A&D Arm
1 8112867 Harness, Display
(See Back of Sheet For Figure 1 )
Figure 2 - Wiring assembly adapter connection
Position 1
Position 1
Red
Red
Yellow
Gray/White
Yellow
Brown
Orange
Orange
Red
Orange
To Contactor
& Fan
To Fan
To Switch
1
2
3
4
Figure 1 - Transformer wiring diagrams
Note: For 110V units only, combine
both connectors with a double slide
adapter to terminal 2.
Red
Red
Yellow
Gray/White
Yellow
Brown
Orange
Orange
Red
Orange
To Contactor
& Fan
To Fan
To Switch
1
2
3
4
Red
Red
Yellow
Gray/White
Yellow
Brown
Orange
Orange
Red
Orange
To Contactor
& Fan
To Fan
To Switch
1
2
3
4
8112876 02 5/05 © COPYRIGHT 1999 HENNESSY INDUSTRIES AND COATS ALL RIGHTS RESERVED PRINTED IN U.S.A. Page 2 of 2
110 Volt Wiring Diagram
220 Volt Wiring Diagram
440 Volt Wiring Diagram
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