Hilger Watts Theodolite Manual Repack Guide

Face the vertical circle casing toward the left side of the box (oriented from the front handle view). The micrometer eyepiece should point upward or toward the designated cutout pocket. Step 3: Lower onto the Base

The typical Hilger & Watts manual encountered today suffers from three specific failures:

: Isopropyl alcohol (99% IPA) or mineral spirits for degreasing.

: Before packing, use cotton wool or a small brush to remove dust from the surface. If the instrument was exposed to rain, ensure it is completely dry. Clean the exposed optics only with high-absorbent cotton or lens-cleaning paper; never use handkerchiefs or clothes .

You have three legal/ethical options:

Place a fresh pack of silica gel inside the case to absorb residual humidity. 5. Closing and Testing the Seal