User's Guide

DRAFT
Page 5-3
17 Mar 2016
23-15-87
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
© Honeywell International Inc. Do not copy without express permission of Honeywell.
4. Visual Inspection and Check
Perform the following procedures to inspect the SDU and SCM after installation of the units onto the
aircraft.
Follow all approved safety standards and practices during the inspection.
1. Disconnect all circuit breakers to the
SDU and SCM and associated systems.
CAUTION: FAILURE TO DISCONNECT CIRCUI
T BREAKERS CAN LEAD TO INJURY TO THE
OPERATOR AND DAMAGE TO THE
EQUIPMENT.
2. Examine the connection for loose, damaged, or missing hardware.
3. Examine cables an
d connections. Contact RC Product Support to gauge the severity of the damage
if you find:
•Corrosion
•Chafing
•Wea
r
• Damage.
4. Tighten any loose connectors to the ma
nufacturer’s recommended value.
DRAFT as of
4 Mar 2016