Thermo Scientific 15828722, Instruction Manual

Page: 13 / 39

Centrifuge GT 4 / 4R Operation | 9
Operation
Switch on Centrifuge
1. Turn on the power switch on the back of the device.
The device performs a self-check of its software.
a. When the centrifuge lid is closed the following display
shows:
The speed and time displays read 0. The temperature
indicator displays the current temperature inside the
rotor chamber. The preset acceleration and braking
curves and the selected bucket are also displayed.
b. When the centrifuge lid is open the following display
shows:
The speed and time displays show the preset values.
The temperature indicator displays the current
temperature inside the rotor chamber. The preset
acceleration, braking curves and the selected bucket
are also displayed.
Lid Opening
1. Press the OPEN key.
Close Lid
Close the lid by pressing down on it lightly in the middle or on
both sides of it. Two locks close the lid completely.
Note:
The lid should audibly click into place.
Rotor Installation
The approved rotors for the Fisherbrand GT 4 / 4R Centrifuge
are listed in section
Rotor Selection
. Use only the rotors and
accessories from this list in the centrifuge.
The centrifuge is equipped with an Auto-Lock locking system.
This system is used to automatically lock the rotor to the
centrifuge spindle. The rotor does not have to be bolted on to
the centrifuge spindle.
Proceed as follows:
1. Open the lid of the centrifuge and if necessary remove
any dust, foreign objects or residue from the chamber.
Auto-Lock and O-ring must be clean and undamaged.
Figure 3. Auto-Lock
2. Place the rotor over the centrifuge spindle and let it slide
slowly down the centrifuge spindle. The rotor clicks
automatically into place.
WARNING:
Do not reach into the crack between
the lid and the housing. The lid is drawn shut
automatically.
Use the emergency release only for malfunctions
and power failures (refer to the section
Mechanical Emergency Door Release
).
WARNING:
Do not reach into the crack between
the lid and the housing. The lid is drawn shut
automatically.
OPEN
CAUTION:
Unapproved or incorrectly combined
accessories can cause serious damage to the
centrifuge.
O-Ring
Auto-Lock