Figure 5-4. Typical Balance Test Displays For 1800 Rpm - Honeywell Chadwick-Helmuth 8500C Maintenance Manual

Chapter 5 - Maintenance And Repair
w. Press STOP key.
x. Set CAM RATE (RPM) switch on Calibrator 11A to 1800.
y. Adjust pot next to 1800 CAM RATE switch position until outside ring on rotor disk
appears frozen in place under 60 Hz light.
z. Press SETUP key on 8500C/C+.
aa. Key in <900> with numeric keys in BALANCE FREQUENCY field.
ab. Key in x2 as the times factor.
ac. Press ENTER soft key.
ad. Wait 10 seconds.
ae. Press START key.

Figure 5-4. Typical Balance Test Displays for 1800 RPM

af. Verify that display indicates (example in Figure 5-4):
1800 +2 RPM
0.8 +0.08 IPS
275° +10°
ag. Press STOP key.
ah. Press SETUP key.
ai. Select INPUT field with arrow keys.
aj. Key in <2> with numeric key.
ak. Press ENTER soft key.
al. Wait 10 seconds.
5-6 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
ACQUISTION DISPLAY
FINAL RESULTS DISPLAY