Service 4
U2000 Series Operating and Service Guide 79
Attenuator Disassembly and Reassembly Procedure for
U2000B and U2001B
Disassembly Procedure
Tools required for disassembly:
Table 4-12 Attenuator Disassembly Procedure
Tools Purpose Torque 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.
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