SECTION 4: INSTALLATION REFERENCE 56
EPI800 Manual.doc EPI 800 MANUAL 2001 Vision Microsystems Inc.
Harness Assembly
The cables wires and also individual wires are now ready for installation to
the P1 connector.
Step 1. Strip back 1/8" of insulation from each wire to be terminated.
Step 2. Crimp pins onto each wire.
Step 3. Using standard rosin core electrical grade solder, carefully solder
the area of the crimp and wire.
Step 4. Repeat Step 1 through Step 3 until all wires are done.
Step 5. Select a grommet that TIGHTLY fits the bundle of cables you are
installing.
Step 6. Select a cable for installation into the connector. Feed the pins
through the larger diameter of the grommet. Insert the pins into the
connector according to TABLE 1: DPU Harness P1 Connector
Wiring. Make sure pin properly locks in place (it should click when
inserted). Test this by trying to gently pull it back out.
Step 7. Repeat Step 6 until all cables have been installed. Don’t forget to
insert the shield wire.
Step 8. Now fabricate the remaining single wire leads (power, dimmer,
ground, and voltsense) and install them as done above.
Step 9. Place half of the backshell onto the connector. Position the
grommet into the backshell so that the larger outside diameter is
located in the back groove. Caution: make sure no wires are
stretched tight at the pins. There should be a slight amount of
slack, otherwise the wires may separate from the pins.
Step 10. Add the second half of backshell. Be sure to insert the retaining
screws and clips then tighten down the 2 screws and nuts to
secure the backshell.
The other ends of the cable wires are now ready for attachment to the
transducer connectors. NOTE: You may need to install and route the
harness in the aircraft before doing this next procedure. Select the
type of connector that mates with the respective transducer and install
it according to the guidelines in ‘APPENDIX A: Transducer
Connector Wiring Techniques’.
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