This document is about the instruction manual for the filament replacement of Varian VS Series Leak Detector
This document provides field installation instructions for performing a filament replacement on the Varian VS Series Leak Detector. It outlines necessary safety precautions regarding high voltage, solvents, and static-sensitive components before beginning the procedure.
The manual details the required tools, such as specific Allen wrenches and torque settings, and guides technicians through disassembling the unit to access the spectrometer. It includes steps for removing the old filament, installing the new assembly with correct alignment, reassembling the unit, and verifying electrical continuity.
The screws must first be torqued to 40 in-lbs (4.5 N-m), then re-torqued to 90 in-lbs (10.2 N-m).
You must wait a minimum of five minutes before torquing the screws again.