Topcon GPT-8003A - 14 DETACH;ATTACH OF TRIBRACH; Detaching and Attaching the Tribrach; Locking the Tribrach Fixing Lever

14 DETACH/ATTACH OF TRIBRACH
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14 DETACH/ATTACH OF TRIBRACH
The instrument is easily detached or attached to the tribrach.
• Detachment
1) Loosen the tribrach fixing screw.
2) Loosen the tribrach fixing lever by turning counterclockwise.
3) Lift the instrument straight upwards and off.
• Attachment
1) Coincide the white alignment piece on the lower part of the instrument with the tribrach
alignment groove.
2) Tighten the tribrach fixing lever firmly by turning clockwise.
3) 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.
Alignment piece
Tr ib ra ch a lignment groove