Leica Biosystems RM2255 - Manual (Page 11)

9 Leica RM2255
2.3 Integrated safety devices
2. Safety
3
1
4
2
5
Handwheel lock (manual operation only)
• To lock the handwheel, push the lever (5) outwards and
continue to turn the handwheel slowly until it locks exactly
in the 12 o'clock position. The LED (4) in the LOCK display
lights up.
Handwheel brake
Using the lever (3) on the right side of the microtome base
plate, the handwheel can be braked in any position.
• To lock the handwheel, pull the lever forward forcefully.
• To unlock the handwheel brake, push the locking lever (3)
back to its original position.
Emergency-stop function
The emergency-stop function is activated with the red
EMERGENCY STOP switch (1) on the upper left of the front
of the microtome. The sectioning motor stops immediately
when the EMERGENCY STOP switch is pressed. The red LED
in the E-STOP field (2) on the control panel of the instrument
lights up, indicating that the emergency stop function has
been activated.
To deactivate this function, turn the EMERGENCY STOP
switch in the direction of the arrow.
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12
Important!
The LED (4) in the M-STOP field indicates only that the instrument cannot be started. It does not
provide any indication that the handwheel brake is active.
The lever (3) must be pulled completely forward with force so that the handwheel brake is
applied. The handwheel is securely locked only when the lever (5) is in the 12 o'clock position.
Caution!
Never operate the lever (5) during motorized section-
ing.
Fig. 2
Fig. 3