Hilger Watts Theodolite Manual Repack [2021] Jun 2026

The accessories section describes optional attachments that extend the instrument’s capabilities:

: Work in a well-ventilated space when using solvents like mineral spirits. Wear nitrile gloves to protect your skin from chemicals and to prevent transferring skin oils onto precision components.

Remove the retaining nut, locking ring, or friction washers holding the central spindle within the outer sleeve. hilger watts theodolite manual repack

The Watts family of theodolites, particularly the later Hilger & Watts models, was known for improvements like the , which allows the user to read both the vertical and horizontal circles through a single eyepiece.

) to soften the old lacquer grease until the inner spindle slides out. The Watts family of theodolites, particularly the later

Accessing the optical reading circles requires removing the protective side plates.

Reassemble the components in the exact reverse order of teardown, using your reference photos. Reassemble the components in the exact reverse order

Gently pull the upper standard assembly away from the lower circle housing. If it feels locked, . Apply a penetrating oil or use a heat gun on a low setting ( 60∘C60 raised to the composed with power C 140∘F140 raised to the composed with power F

: Use mild dish soap and a soft toothbrush to remove hand grime from the casing.

Before opening the instrument, clear a clean, well-lit workspace and use a soft surface to prevent damage if a screw or lens is dropped.

Carefully extract the tangent screws (E1, E2) and the leveling footscrews .