Technical data

Repair Guide 6
N1911A/1912A P-Series Power Meters Service Guide 83
Required Torque Values for Fasteners
Required tools and torque values for fasteners are listed below:
Item Description/Default Range of Values
Fit rear panel GPIB standoffs
9/32” socket 0.68 Nm
Fit rear panel Trig In/Out connectors
Special tooling kit
(N1912-61807)
2.37 Nm
Fit rear panel recorder output connectors
7/16” spanner 2.37 Nm
Attach main board to clamshell
T20 screwdriver 2.37 Nm
Attach PPMC/DAP assemblies to main board
T8 screwdriver 0.56 Nm
Fit calibrator semi- rigid, both ends (Option 003)
5/16” spanner 1.02 Nm
Attach earth wires (Nut)
9/32” socket 1.02 Nm
Attach earth wires (Screw)
T20 screwdriver 2.37 Nm
Attach top clamshell to bottom clamshell
T20 screwdriver 2.37 Nm
Fit sensor connector
Special tooling kit
(N1912-61807)
2.37 Nm
Fit PSU/PSU safety cover
T10 screwdriver 2.37 Nm
Fit display to display support moulding
T6 screwdriver 0.56 Nm
Fit calibrator to display support moulding
T6 screwdriver 0.34 Nm
Fit display interface board to inverter board T6 screwdriver
0.56 Nm