Honeywell Chadwick-Helmuth 8500C Maintenance Manual page 140

Appendix A - 8520C-36 Signal Selector
#5 ENG COOD: CHANNEL 25
#4 FWD COMP: CHANNEL 24
#1 PROP: CHANNEL 21
co. Move cable P/N 11517 to connector labeled "29-36" on 8520C-36 and move magnetic
pickup cable P/N 10808 to channel D on 8520C-36. Repeat steps f through cl, using the
following values:
PICKUP: CHANNEL <D>
#A1: CHANNEL 35
#A2: CHANNEL 34
#3 ENG. ACC: CHANNEL 31
#2 AFT G/B: CHANNEL 30
#5 ENG COOD: CHANNEL 33
#4 FWD COMP: CHANNEL 32
#1 PROP: CHANNEL 29
cp. To test the 8520C-36 single-channel connectors, make connections as shown in Figure A-
4.
cq. Press SETUP.
cr. Key in the following values:
PICKUP: CHANNEL <A>
INPUT: CHANNEL 1
cs. Press ENTER soft key.
ct. Wait 10 seconds and press START key.
cu. Verify that display indicates:
900±1 RPM
0.4±0.04 IPS
275°±10°
cv. Press STOP key.
cw. Move magnetic pickup cable P/N 10808 to channel B and Velo cable P/N 11210 to
channel 2 on 8520C-36. Repeat steps cq through cv, but substitute the following values:
PICKUP: CHANNEL <B>
INPUT: CHANNEL 2
cx. Move magnetic pickup cable P/N 10808 to channel C and Velo cable P/N 11210 to
channel 3 on 8520C-36. Repeat steps cq through cv, but substitute the following values:
PICKUP: CHANNEL <C>
INPUT: CHANNEL 3
A-18 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.