Extract the leveling base (tribrach) by releasing the three retaining foot-screws or the central locking ring, depending on your specific model variant. 2. The Levelling Base (Tribrach)
Always clean the outer lenses first to avoid scratching them during mechanical work. Use a single-swipe technique with alcohol-dampened swabs. hilger watts theodolite manual repack
Wipe down the steel spindle and brass sleeve with clean microfiber cloths soaked in solvent. Extract the leveling base (tribrach) by releasing the