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Manufacturer’s Recommendation for Setting up a Theodolite. 1) Ensure that :-. the tripod head is approximately level. the tripod feet are firmly fixed in the ground. This should be done BEFORE removing the theodolite from its box. Tripod Head Horizontal. Tripod Height - middle to
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Manufacturer’s Recommendation for Setting up a Theodolite 1) Ensure that :- • the tripod head is approximately level • the tripod feet are firmly fixed in the ground • This should be done BEFORE removing the theodolite from its box.
Tripod Head Horizontal Tripod Height - middle to upper chest height Feet - Dug into ground (if possible)
Manufacturer’s Recommendation for Setting up a Theodolite 1) Ensure that :- • the tripod head is approximately level • the tripod feet are firmly fixed in the ground • This should be done BEFORE removing the theodolite from its box. 2) Place the theodolite on top of the tripod, and tighten the centring screw to clamp the theodolite centrally on the tripod head.
Hold Theodolite by handle Attach to tripod head Do not let go of handle until theodolite is attached to tripod.
Tribrach Levelling Screw or Foot Screw Trivet
Plate Bubble Pond Bubble For accurate levelling For approximate levelling
Standing axis Slow motion tanget screw (up / down) Internal Focus (For sighting object) Slow motion tanget screw (left / right) Eyepiece Focus (For cross hairs) Trunnion axis Telescope clamp (up / down) Collimation Axis Upper plate clamp (left / right)
Standing Axis Collimation Axis Trunnion Axis All three axes should be mutually at right angles Select “Setting up a theodolite --- 2”