Unitron System 274 Manual page 12

UNITRON ®
73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com
SYSTEM 274 STEREO MICROSCOPES
4. Attach second moveable arm to first moveable
arm. Be sure to insert nylon washer over the
pin of the second moveable arm and the
receiving hole of the first moveable arm. The
washer should be between the arms to allow
articulation (refer to the parts diagram).
Secure with knob screw.
5. Attach the spring-loaded moveable arm to the
second moveable arm. Be sure to insert nylon
washer over the pin of the spring-loaded
moveable arm and the receiving hole of the
second moveable arm. Secure with knob
screw.
6. Place nylon washer over pin of spring-loaded
arm then insert into receiving hole of 3
moveable arm (refer to parts diagram).
Align metal washer with 2 screws holes over
screw holes in bottom of spring-loaded arm
pin. Secure the metal washer into the pin with
the 2 M3 Philips-head screws.
Attach the metal safety thumb screw onto the
bottom of the spring-loaded arm pin.
rd
12