Service 4
U2000 Series Operating and Service Guide 67
Attenuator Disassembly and Reassembly Procedure for
U2000B and U2001B
Disassembly Procedure
Tools required for disassembly:
Tabl e 4- 12 Attenuator Disassembly Procedure
Tools Purpose Torq ue value
¾” torque wrench To loosen the attenuator 80 lbs.in
½” wrench To prevent rotation N/A
The attenuator for U2000B and U2001B must not be disassembled under any
circumstances except during annual calibration. Removing the attenuator for U2000B
and U2001B will void the calibration.
1 Loosen the connector using the
torque wrench.
2 After that clean the connector’s
threads with IPA. Ensure that the
crystallized loctite is cleaned
properly.