Drucker Diagnostics 642E Operator's Manual - Page 2
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TABLE OF CONTENTS
Model Description ....................................................................................... 1
Intended Use: .............................................................................................. 1
Supplied Equipment ..................................................................................... 2
Features ....................................................................................................... 2
Warranty ...................................................................................................... 2
General Specifications ................................................................................. 3
Setup Location ............................................................................................. 3
Initial Setup Procedure ................................................................................ 4
Control Panel ............................................................................................... 5
Verifying Preset Time and Brake .................................................................. 6
Changing Preset Time and Brake ................................................................. 6
Operation ..................................................................................................... 7
Spinning Balanced Loads ............................................................................. 8
Rotor Removal And Installation ................................................................... 8
To remove the rotor: ............................................................................... 8
To install the rotor: .................................................................................. 8
Care And Preventative Maintenance ........................................................... 9
Cleaning and Disinfection .......................................................................... 10
Troubleshooting ......................................................................................... 11
Emergency Rotor Chamber Entry .............................................................. 12
Calibration Testing ..................................................................................... 12
Safety ......................................................................................................... 12
Replacement Parts ..................................................................................... 13
Available Accessories ................................................................................. 14
Model 642E has a true "0 RPM" lid locking system. The lid safety locking
system keeps the lid locked at all times when the rotor is in motion (even
during power failure). The centrifuge will not allow entry into the rotor
chamber unless the centrifuge has power and the rotor is stopped. To
open the lid, make sure that the centrifuge is plugged in and, with the
rotor stopped, press the 'OPEN / STOP' button.
Note: After the centrifuge has started spinning, it may be possible
to rotate the lid knob enough to cause the pawl to lose contact
with the lid safety switch. If this happens, the centrifuge motor
may lose power, but the lid will still remain locked. If the knob is
accidentally moved and this situation should occur, rotate the
knob fully clockwise to its stop position and the centrifuge will
resume operation.
Circuit Breaker: The Model 642E is protected with a 4 Amp circuit breaker
located at the rear of the machine mounted to the base. Any electrical
short circuit will cause the breaker to cut power to the machine.
R
P
EPLACEMENT
ARTS
Part No.
Description
7724037
Foot, rubber
7751068
Switch, lid safety
7786061
Rotor, six-place, horizontal
7735049
Motor, 1/30 H.P., 115 V.A.C. permanent split
capacitor
7729006
Capacitor, 4uF, 250V A.C.
7717051
Electronic timing and locking board
7751043
Circuit Breaker
7760002
Power cord
03-1-0008-0016
Pawl, latch, lid
03-1-0008-0009
Knob, latch, lid
7724071
Hinge, friction
7732018
Seal, lid gasket
7713079
Universal Tube Holder for all tubes 75-100 mm
02-002-1-0027
Lid Assembly
03-0-0003-0068
Front Panel Label
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