Install Manual Part 1

SKY497
Installation Manual
1-14
Rev. C
Connector Installation (Continued)
P8 Power Crimping Tool M22520/1-01
Positioner M22520/1-02
Insertion MS24256A16
Removal MS24356R16
P101 Display Crimping Tool M22520/2-01
Positioner M22520/2-08
Insertion/Removal M81969/1-02
Circuit Breaker For 14 V aircraft systems a 7.5 A circuit breaker is required and for 28 V
systems a 5 A circuit breaker is required. The circuit breaker may be
selected to match components of the individual aircraft.
Switches If the final configuration includes a WX-1000 Stormscope Weather Mapping
System, two external switches will be required. A SPST switch will be
required for the SKYWATCH/Stormscope display mode switch (SW1). A
DPDT switch will be required for the WX-1000 maintenance switch (SW2).
Any general purpose toggle switch (3 A @ 28 V dc) may be used.
Miscellaneous Hardware The installer must provide suitable hardware to attach the TRC Mounting
Tray. The following stainless steel fasteners are recommended:
Channel Mount: Four 8-32 UNC-2A pan head machine screws per ANSI
B18.6.3. (Six are required for the ruggedized tray.)
or
Four 8-32 UNC-2A hex socket cap machine screws per
ANSI/ASME B18.3. (Six are required for the ruggedized
tray.)
Four No. 8 helical spring lockwasher per ANSI/ASME
B18.21.1. (Six are required for the ruggedized tray.)
Flat Mount Eight 6-32 UNC-2A 100 degree flat head machine screws
per B18.6.3.
Oscilloscope Required to verify SKY497 suppression pulse (100 µs ±5µs, +28 V dc).
Flightline Tester Either the BFG TT391 Flightline Tester, IFR Systems TCAS-201 (with
TCAS I firmware) Ramp Test Set, or TIC T-49C Flightline Tester. The test
set is required to do the post installation checkout.
RS-232 Terminal Device
(e.g., Laptop Computer)
Required only if using an alternate display, (see Appendix D for
instructions). Terminal device is used for post installation checkout and
troubleshooting.
1.7 INSTALLATION APPROVAL
The SKY497 must be treated as a major alteration on F.A.A. form 337, if not installed under a type
certificate or supplemental type certificate. Application for approval may be made at any F.A.A. Flight
Standards District Office.