Kendro service Information
Revised – 16/01/02
1 of 2
Heraeus Centrifuges
PREVENTIVE MAINTENANCE CHECKLIST
Rotor Inspection
o
Visual inspection
o
Rotor locking screw
o
Expiry date
..............................
o
Cycle counter checkup
..............................
Preliminary Checks
o
Cabinet
(clean, undamaged)
o
Rotor chamber
(clean)
o
Key foil
(clean, undamaged)
o
Installation environment
(level & clearance)
Pre-run Checks
o
Line voltage
________V AC
o
Display segments on power-up
o
Function Keys
o
Door interlock and latch
o
Drive stop & Door unlatch (50 rpm)
Mechanical
o
Motor bearings
o
Antivibration mounts
o
Motor rubber flange
o
Chamber sealing
Performance Checks
o Acceleration time
________seconds
o Instrument top speed ________rpm
o Deceleration time
________seconds
o Time (10 minute set) ________actual min:sec
Safety test
o Accessible leakage current <3500µA
o Insulation resistance >10 Megaohm
o Earth Conductor Resistance <0.2 Ohm
Labofuge 200
Medifuge 200
Type
S/N
