6 Repair Guide
90 Keysight N8262A Service Guide
Required Torque Values for Fasteners
Required tools and torque values for fasteners are listed below:
Item Description/Default Range of values
– Fit mother board to chassis
– Fit front frame to chassis
– Fit cover to rear panel
T20 Torx screwdriver bit 21 in Ibs
– Fit fan guard to fan assembly
– Fit front panel board assembly to chassis
– Fit bumper foot to cover
– Fit power supply to chassis
T10 Torx screwdriver bit 9 in Ibs
– Fit calibrator to bottom chassis T6 Torx screwdriver bit 3 in Ibs
– Fit mother board to chassis
– Fit measurement board to mother board
– Fit PPMC board to mother board
T8 Torx screwdriver bit 6 in Ibs
– Fit recorder output to front frame
– Fit trigger in/out to front frame
1/4” socket 6 in Ibs
– Fit channel A/B to front frame ODU socket 6 in Ibs
– Fit power reference input cable to calibrator 5/16” socket 10 in Ibs
– Fit power reference input cable to front frame 19 mm socket 18 in Ibs
– The ODU Socket is a special tool, which is orderable using P/N N1912-21012.
– This socket is used in conjunction with a 1/4” drive torque wrench, calibrated
to 6 in Ibs.
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