Inhaltsverzeichnis
Werbung
Heraeus Centrifuges
PREVENTIVE MAINTENANCE CHECKLIST
Rotor Inspection
o
Check for corrosion and wear
o
Autolock
o
Inspect rotor magnets (rotor I.D.)
Serial numbers:
75003607...............
75003668
75003670...............
75003603...............
75003606...............
7500.......................
Preliminary Checks
o
Clean inst. & condenser coils
o
Rotor chamber (defrost)
o
Inst. environment
(level & clearance)
Pre-run Checks
o
Ground continuity
o
Line voltage ________V AC
o
Display on power-up
o
Door interlock and latch
o
Drive stop & Door unlatch (<50 rpm)
o
Fan operation (condenser & drive)
Mechanical
o
Motor bearings
o
Microprocessor Initialization (if
required)
o
Refrigerant leaks (if required)
o
Compressor current draw
Revised – 2112/08
Thermo Scientific Service Information
...............
Performance Checks
o Acceleration time _________seconds
o instrument top speed
o Deceleration time
o Time (10 minute set)
o Temperature (4° set)
Imbalance
o Centrifuge stable and level
o Centrifuge shuts off w/proper weight
Safety test
o Accessible leakage current <500µA
o Insulation resistance >10 Megaohm
o Earth Conductor Resistance <0.2 Ohm
Multifuge X3
&versions
Type
S/N
_________rpm
_________seconds
_________actual min:sec
_________actual (°C)
1 of 2
Werbung
Inhaltsverzeichnis
