Instruction sheet 554 83
page 4/4
LEYBOLD DIDACTIC GMBH
.
Leyboldstrasse 1
.
D-50354 Hürth
.
Phone (02233) 604-0
.
Fax (02233) 604-222
.
e-mail: [email protected]
by Leybold Didactic GmbH
Printed in the Federal Republic of Germany
Technical alterations reserved
7
Mounting/ demounting the target holder
Mounting:
- Mount the goniometer and position the target arm of the go-
niometer horizontally with the ZERO key (the V-shaped
groove in the bushing of the target arm must be vertical).
- Insert the axle of the target holder into the bushing of the tar-
get arm so that the cotter pin of the axle slides into the V-
shaped groove of the bushing.
- Tighten the union nut of the target holder finger-tight.
Demounting:
- First remove the target, e.g. monocrystal, if one has been
set up (see below).
- Loosen the union nut of the target holder.
- Pull the axle of the target holder forward out of the bushing
of the target arm.
8
Mounting/ demounting the target stage
Mounting:
- Loosen the knurled screw on the target stage.
- Insert the plastic guide in the groove of the target holder
from below and raise the target stage as far as it will go.
- Tighten the knurled screw finger-tight.
Demounting:
- First remove the target (see section below).
- Loosen the knurled screw on the target stage and pull the
target stage downward out of the groove of the target holder.
9
Setting up a target
- Position the target and sensor arms of the goniometer hori-
zontally using the ZERO key.
- Loosen the knurled screw of the target stage and lower the
platform slightly.
- Lay the target (e.g. NaCl crystal or aluminum scattering
body) flat on the target stage and push it backwards against
the back stop.
- Raise the target stage with the target up against the stop
edge and tighten the knurled screw finger-tight.
- Carefully check that the target is held firmly.