Bently Nevada 3300/50, Operation Manual

Page: 60 / 122

• Tachometer Maintenance
•
11
83871-01
Monitor Full Scale Range Adjustment
NOTE: Information in [brackets] applies to the Rotor Acceleration (RPM/MIN) Tachometer only.
The Tachometer RPM [and RPM/MIN] Full Scale Range Adjustment allows the RPM [and RPM/MIN]
Recorder outputs to be properly scaled to the expected operating range of the shaft being monitored.
The Tachometer is shipped with a Full Scale Range of 5000 RPM [500 RPM/MIN]. The Tachometer
may be adjusted to any of the following RPM [RPM/MIN] Full Scale Ranges.
Selectable RPM Full Scale Ranges:
100 2 0 0 5 0 0 1 0 0 0 2 0 0 0 5 0 0 0 1 0 , 0 0 0 2 0 , 0 0 0 5 0 , 0 0 0 9 9 , 9 9 9
[Selectable RPM/MIN Full Scale Ranges:]
100 2 0 0 5 0 0 1 0 0 0 9 9 9 9
CAUTION
Machine Protection Will
be lost during the Full
Scale Adjust Procedure.
W16
A 00 FS A D J
B o o B
C o o E R A
1. Remove Monitor (Section 7)
2. Remove Monitor side cover (Section 8)
3. Install Full Scale Adjust (FS ADJ) jumper, W16A.
SWI
W16
J2 WI 7
tr.
15