Cta mount row harnesses, Cta: sensors to harnesses – Great Plains NTA3510 Installation Instructions User Manual

Page 12

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Great Plains Mfg., Inc.

12

Blockage Monitor Kits

168-414M

10/29/2008

CTA Mount Row Harnesses

Start with Tower 1 (left wing, left tower).

Refer to Figure 23

16. Select one of:

467751320S1 12 ROW HARNESS, or
467751330S1 16 ROW HARNESS

Observe that the assembly has:

one large connector (for the WSMB);
a sealed weather-cap module; and,

12 or 16 row sensor connectors, numbered
ROW 1” through “ROW 12” or “ROW 16“.

Note: There may be more sensor leads than drills rows.

“ROW 11” and “ROW 12” are unused on

CTA4000/HD-5010

“ROW 14” through “ROW 16” are unused on

CTA4000/HD-6575

All leads are used on CTA4000/HD-8006.

Note: Connector numbering matches harness-to-row

only on Tower 1. At connection step 19, see “Port
Assignment
” table on page 33, 34 or 35.

Refer to Figure 24

17. Select one:

800-082C CABLE TIE .31X21.5 6DIA 120LB

At the tower, position the weather-cap module

:

- lead bundle down,
- just under the upper U-bolt

, and;

- on the same side as the WSMB

.

Secure the module with tie

around the tower

weldment and mounting plate.

18. Repeat step 16 and 17 for Tower 2 through Tower 5.

CTA: Sensors to Harnesses

Start with opener 1 (left opener, left wing).

Refer to Figure 25

19. Using the table on pages 33 to 35, determine the

Harness lead (“ROW”) to tower Port assignment.
Isolate each lead from the bundle, and plug the
assigned harness lead and sensor cable together.

20. Select one tie from either:

110110050 TY WRAP BUNDLE 50-14"
110110099 TY WRAP BUNDLE 100-14"

Tie the harness lead to the same seed hose as its
assigned sensor. Tie about 1in (2.5cm) behind the
cable sheath

21. Repeat step 19 and step 20 for each port on the

tower, and then for each tower. One or four leads
per tower are not connected. Excess cable is tie-
wrapped at step 23.

Figure 23: CTA:

Row Harness

28198

31

1 2 3 4 5 6 7 8 9 10 11 12

2

4

1

31

32

1

2

4

4

Figure 24: CTA:

Install Row Harness

28199

31

2

13

3

39

13

2

3

39

13

Figure 25: CTA:

Row Harness to Sensor

28196

31

30

26 27

26

27

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