6. Installation
6.3.1 Locking/Unlocking the Handwheel
12 o’clock position
6 o’clock position
Fig. 15
1
2
Fig. 16
Only rotate the handwheel when the refrigeration system is on and the cryochamber is cold!
Always lock the handwheel prior to manipulating the knife or specimen, changing the specimen, or taking a break.
To lock the handwheel, move its handle to the 12 or 6 o’clock position. Press the lever (1) fully outward; gently rock the handwheel until the locking mech- anism clicks into place noticeably.
To release the handwheel, press the lever (2) on the handwheel toward the cryostat housing.
Centering the Handwheel (Optional)
An important safety device on the cryostat is the feature for center- ing the handwheel in motorized sectioning mode.
To do so, pull out the handwheel’s handle and position it in the middle of the handwheel. The handle automatically engages in this position.
Fig. 17
6.3.2 Installing the Footswitch Dummy (Instruments with Cutting Motor)
•The footswitch dummy must be installed on the outer right side of the instrument (see page 16, General overview) if no footswitch (optional) is used.
If the red LED in the
•emergency-stop function active, or
•footswitch dummy (optional footswitch) connected incorrectly or not at all.
Fig. 18
Leica CM1950 Cryostat | 23 |