Contents PREFACE INTENDED USE GENERAL DESCRIPTION OF MAJOR COMPONENTS WARRANTY INFORMATION SPECIFICATIONS TROUBLESHOOTING SERVICE INSTRUCTIONS WIRING DIAGRAM SPARE PARTS LIST DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Failure to follow the procedures in this document may result in personal injury or instrument damage. Drucker Diagnostics will not be held liable for any injury or damage because of improper servicing.
POSSIBLE CAUSE SOLUTION Cycle ends prematurely. The centrifuge reports the error in a repeating BUZZ / BEEP sequence BALANCE ERROR Rotor improperly loaded Load equally filled tubes symmetrically in the rotor. DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
If the rotor screw needs to be tightened, use a 1/8” hex key and tighten to 3.5 Nm. 7.5. Speed Calibration • Check the centrifuge speed periodically, every two years is recommended. • Important: When verifying rotor speed, make certain that all carriers are installed in the rotor. DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Page 6
‘ON’ state. Tighten each nut a ¼ turn in succession, trying each corresponding button as you go. • Once each control panel button clicks when pressed, installation is complete. DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Page 7
Attach the motor to the motor mount plate with four #8 SCREWS and torque to 18 in-lbs (Fig 2). • Secure the motor wire harness with a zip tie as shown. Snip the tag end of the zip tie flush when complete. DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Page 8
Fig 3 Fig 4 Fig 5 • Insert the Elastomer bushings into the motor mount plate as shown (fig 4). • Push the grommets onto the bushings as shown (fig 5). DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Page 9
(fig 9). • Feed the motor wire harness into the base passthrough so that the wire harness is not pinched between the base and the guard bowl (fig 10). DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Page 10
Carefully place the cabinet onto the base taking care not to pinch any wires between the two. • Complete the assembly by replacing the eight #8 screws, washers and lock washers with a #2 Phillips driver DRUCKER DIAGNOSTICS SM017 HORIZON-24 AH/AV SERVICE MANUAL REV A...
Need help?
Do you have a question about the Horizon 24 AV-AH and is the answer not in the manual?
Questions and answers