Topcon AP-L1A - 14 Detach;Attach of Tribrach

14. DETACH/ATTACH OF TRIBRACH
14-1
14. DETACH/ATTACH OF TRIBRACH
The instrument is easily detached from or attached to the tribrach
 Detachment
 Loosen the tribrach fixing screw.
 Loosen the tribrach fixing lever by turning counterclockwise.
 Lift the instrument straight upwards and off.
 Attachment
 Coincide the white alignment piece on the lower part of the instrument with the tribrach
alignment groove.
 Tighten the tribrach fixing lever firmly by turning clockwise.
 Tighten the tribrach fixing screw.
 Locking the Tribrach Fixing lever
The tribrach fixing lever can be locked from being moved accidentally. This is useful if the upper
instrument section is not being detached very often. Simply tighten the securing screw on the
fixing lever with the accessory screw driver.
Securing screw
Tribrach fixing lever
Tribrach alignment groove
Tribrach fixing screw