Appendix B Connector Installation Instructions; Jackscrew Backshell Installation Instructions; Table B-1 Parts Supplied For A Shield Block Installation (Figure; Table B-2 Parts Not Supplied For A Shield Block Installation (Figure - Garmin GDU 37X Installation Manual

APPENDIX B CONNECTOR INSTALLATION INSTRUCTIONS

CAUTION
This instruction manual assumes skill and knowledge of aircraft harness fabrication
techniques. Do not perform this installation if you are unqualified.
NOTE
The GDU 37X rear connector (J3701) is electrically isolated. For installations using
shielded cables, a ground pin must be tied to the connector shell.
B.1 Jackscrew Backshell Installation Instructions
B.1.1 Shield Block Installation Parts
Table B-1 and Table B-2 list the parts needed to install a Shield Block. Parts listed in Table B-1 are
supplied in the GDU 37X Connector Kits (011-01921-00). Parts listed in Table B-2 are to be provided by
the installer.
Table B-1 Parts supplied for a Shield Block Installation
Figure Ref
1 Cast Backshell Housing
6 Contacts
12 Clamp
13 Screw,4-40x.375,PHP,SS/P,w/Nylon
14 Cover
15 Screw,4-40x.187,FLHP100,SS/P,w/Nylon
Table B-2 Parts not supplied for a Shield Block Installation
Figure
Ref
Multiple Conductor Shielded Cable (2-conductor shown in Figure
2
B-1)
3 Drain Wire Shield Termination (method optional)
Braid, Flat (19-20 AWG equivalent, tinned plated copper strands
4
36 AWG, Circular Mil Area 1000 -1300)
5 Floating Shield Termination (method optional)
Ring terminal, #8, insulated, 18-22 AWG
7 Ring terminal, #8, insulated, 14-16 AWG
Ring terminal, #8, insulated, 10-12 AWG
190-01054-01
Rev. D
Description
Description
(Figure B-1)
GPN or MIL spec
125-00175-00
336-00094-00
115-01078-04
211-60234-10
115-01079-04
211-63234-06
(Figure B-1)
GPN or MIL spec
Parts used depend on
method chosen
Parts used depend on
method chosen
Parts used depend on
method chosen
Parts used depend on
method chosen
MS25036-149
MS25036-153
MS25036-156
GDU 37X Installation Manual
Page B-1