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Summary of Contents for Drucker Diagnostics 642VFD
- Page 1 200 Shadylane Drive Philipsburg, PA 16866 Phone: (814) 342-6205 Fax: (814) 342-4510 www.druckerdiagnostics.com Service Manual Model 642VFD Centrifuge DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
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Page 2: Table Of Contents
SERVICE INSTRUCTIONS ........................5 WIRING DIAGRAM .......................... 10 FINAL CENTRIFUGE ASSEMBLY ....................... 11 CABINET ASSEMBLY ........................12 10 LOWER ASSEMBLY .......................... 13 11 MOTOR ASSEMBLY ......................... 14 12 REVISION HISTORY .......................... 15 DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 3: Preface
1 PREFACE The purpose of this manual is to provide the service technician with information for troubleshooting, testing, and repair of laboratory centrifuge model 642VFD. Only qualified technically trained personnel should attempt any of the servicing described in this document. -
Page 4: Troubleshooting
Rotor is loose Tighten rotor nut per section 7-2 PROBLEM POSSIBLE CAUSE SOLUTION Debris in air intake / exhaust ports Remove power before clearing debris. Whistling noise while running Gasket failure Requires service DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 5: Service Instructions
No calibration adjustment of speed can be made, only a verification of rotor speed. Line Leakage a) Check the centrifuge’s line leakage periodically, we recommend every two years. DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... - Page 6 The tray will slide off the threaded studs. d) Early models used a plastic spacer between the tray assembly and the metal cabinet. A spacer is no longer needed. IMPORTANT: Remove any plastic spacer that may be present. DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
- Page 7 To remove them, drill the heads off with a 3/16” drill bit. f) Lift the base assembly off of the guard bowl and set it aside. g) Flip the guard bowl. DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
- Page 8 IMPORTANT: Make certain that no wires are pinched between the guard bowl and base! i) IMPORTANT: Tuck a portion of the motor wire harness into the rectangular cutout in the base. See fig 1. Figure 1 DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
- Page 9 Carefully place the cabinet onto the base taking care not to pinch any wires between the two. d) Complete the assembly by replacing the six #8 screws, washers and lock washers with a #2 Phillips driver. DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
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Page 10: Wiring Diagram
7 WIRING DIAGRAM DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 11: Final Centrifuge Assembly
WASHER #8, FLAT, SILVER 3033001 #8 SPLIT LOCK WASHER 3012006 SCREW, 8-32 x 0.375, PAN HEAD PHILIPS, SILVER 6 7724026 SERIAL NUMBER 7724029 FACTORY CALIBRATION LABEL OEM SPECIFIC 642VFD FRONT PANEL LABEL DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 12: Cabinet Assembly
SCREW, 8.32 x 1.00, PAN HEAD, PHILLIPS, SILVER 02-002-1-0000 614/642 LID ASSEMBLY 3012004 SCREW, #6 x .375, PH/PHIL, SELF TAP, BLUNT, SILVER OEM SPECIFIC LABEL, OPEN/CLOSE OEM SPECIFIC UNLOCKING INSTRUCTION LABEL OEM SPECIFIC 642 STOP WARNING LABEL DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 13: Lower Assembly
614/642/643/755 EXHAUST AIR DEFLECTOR 3033012 #8 INTERNAL TOOTH WASHER 3022001 8-32 HEX NUT 7729009 653ES/614V MOTOR CAPACITOR, 5 MICROFARAD 3012007 SCREW, PHILLIPS, 8-32, 0.50 LONG 7760002 ALL MODELS, CORD, LINE, WEBBER, TYPE B DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 14: Motor Assembly
PIN, ROLL, 642 MOTOR DRIVE, .010 x 0.625 7786028 642/643 TAPERED ROTOR HUB 7728103 614/642 Motor Ring 3003003 WASHER, RUBBER, MOTOR MOUNT 0.175 x 0.5 OD x 0.18 3081003 DISCONNECT, 0.18", FEMALE 03-1-0005-0000 WIRE, BLACK DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A... -
Page 15: Revision History
12 REVISION HISTORY Revision # Date Details of Change Original 07/07/2013 Original Issue - DR-2958. DRUCKER DIAGNOSTICS SM004 MODEL 642VFD SERVICE MANUAL REV: A...
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