Honeywell Chadwick-Helmuth 8500C User Manual

A-14 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
Appendix A - 8520C-36 Signal Selector
z. Key in 900 with numeric keys in BALANCE FREQUENCY field.
aa. Key in X2 as the times factor.
ab. Press ENTER soft key.
ac. Wait 10 seconds.
ad. Press START key.
ae. Verify that display indicates:
1800±2 RPM
0.8±0.08 IPS
af. Press STOP key.
ag. Press SETUP key.
ah. Select INPUT field with arrow keys.
ai. Key in 10 with numeric key for #A2 nacelle harness cable.
aj. Press ENTER soft key.
ak. Wait 10 seconds.
al. Press START key.
am. Verify that display indicates:
1800±2 RPM
0.8±0.08 IPS
an. Press STOP key.
ao. Set CAM RATE (RPM) switch on Calibrator 11A to 900.
ap. Press SETUP key on 8500C/C+.
aq. Key in 450 in BALANCE FREQUENCY field.
ar. Key in x2 as times factor.
as. Press ENTER soft key.
at. Wait 10 seconds.
au. Press START key.
av. Verify the display indicates:
900±1 RPM
0.4±0.04 IPS
aw. Press STOP key.
ax. Replace accelerometers with Velocimeters and connect nacelle harness cables #2 AFT G/B
and #3 ENG. ACC as shown in Figure A-6.

Honeywell Chadwick-Helmuth 8500C Specifications

General

Brand	Honeywell
Model	Chadwick-Helmuth 8500C
Category	Measuring Instruments
Language	English