Fine Adjustment Of The Mass Balance - Leica RM2235 Instruction Manual

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Leica RM2235

5.3 Fine adjustment of the mass balance

If a specimen clamp which is lighter or heavier
than the previous specimen clamp is mounted
to the object head (33), it is necessary to check
whether the force balancing system must be re-
adjusted.
Checking the correct balance adjustment:
• Mount the new clamp and clamp the speci-
• Turn the handwheel until the specimen head
If the specimen head remains exactly in posi-
tion, the setting is correct.
Fig. 17
If the specimen head moves upwards or down-
wards, a fine adjustment is necessary.
Important!
Never turn
the screw
any more as
½ rotation at
once.
The adjustment is carried out via screw (34),
which is located on the underside of the micro-
tome base plate and can be accessed by remov-
ing the section waste tray. Use the 5 mm Allen key
(with handle) to adjust the screw.
• If the specimen head has moved downward,
• If the specimen head has moved upward, ro-
• Continue turning the screw until the speci-
Fig. 18
men.
is located in center position (halfway up); let
go of the handwheel (Fig.
If the force balancing system is not-
adjusted correctly, work injuries
may be the result.
rotate the screw clockwise through approx.
½ turn and check whether the specimen head
remains stable.
tate the screw counterclockwise through
approx. ½ turn and check whether the spec-
imen head remains stable.
men head remains exactly in position.
5. Operation
17).
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