A-16 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
Appendix A - 8520C-36 Signal Selector
bd. Press START key.
be. Verify that display indicates:
900±1 RPM
0.4±0.04 IPS
275°±10°
bf. Press STOP key.
bg. Press SETUP on 8500C/C+.
bh. Select INPUT field with arrow keys.
bi. Key in 7 with numeric key for #3 ENG. ACC cable.
bj. Press ENTER soft key.
bk. Wait 10 seconds.
bl. Press START key.
bm. Verify that display indicates:
900±1 RPM
0.4±0.04 IPS
275°±10°
bn. Press STOP key.
bo. Disconnect cables #2 AFT G/B and #3 ENG. ACC from Velocimeters and connect #5 ENG
COOD and #4 FWD COMP cables.
bp. Press SETUP on 8500C/C+.
bq. Select INPUT field with arrow keys.
br. Key in 8 with numeric key for #4 FWD COMP cable.
bs. Press ENTER soft key.
bt. Press START key.
bu. Verify that display indicates:
900±1 RPM
0.4±0.04 IPS
275°±10°
bv. Press STOP key.
bw. Press SETUP key.
bx. Select INPUT field with arrow keys.
by. Key in 9 with numeric key for #5 ENG COOD cable.
bz. Press ENTER soft key.
ca. Wait 10 seconds.
cb. Verify that display indicates: