Quinton Q50 User Manual

Name: Quinton Q50
Brand: Quinton
Rating: 4 (1 reviews)

108 pages

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551

ieal

min

Service Manual

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Table of Contents5
Section 1. Introduction9
Scope9
Organization9
Q2000 Stress Test Monitor10
Treadmill Controller10
Treadmill Controllers10
Accessories10
Options10
Hardware Options (Q55/Q65)11
Specifications11
Q65 Specifications11
Operator Manual12
References12
Section 2. Operation13
Introduction13
- Receiving13
- Unpacking and Inspection13
Installation Checkout Procedure13
Section 3. Theory of Operation15
Introduction15
Printed Circuit Board (Pcb)15
- Power Supply15
Drive Motor17
Input Shaft, Output Shaft, Belts and Pulleys17
Input Shaft18
Output Shaft18
Variable Speed Belt18
Treadmill Drive and Idler Pulleys18
Walking Belt and Belt Tracking Switches18
Speed Change Motor Assembly18
Tachometer Assembly18
Grade Motor19
Pinion Shaft and Rack Gears19
Grade Potentiometer19
Section 4. Troubleshooting25
Introduction25
Diagnostic Aids25
Troubleshooting Procedure25
Section 5. Corrective Maintenance46
- Introduction46
- Disassembly and Reassembly Procedures46
- Access under the Treadmill Hood46
- Drive Motor 2M2 Replacement46
- Speed Change Motor 2A2 Replacement46
- Speed Change Motor Capacitor 2A2Cl Replacement47
- Tachometer 2A3 Optical Sensor Replacement47
- Tachometer Beam Chopper Replacement47
- Grade Motor 2Ml And/Or Grade Motor Gearbox Replacement47
- Grade Potentiometer 2RI Replacement48
- Printed Circuit Board (PCB) 2Al Replacement49
- Drive Motor Contactor 2Kl Replacement49
Disassembly to Remove the Input Shaft Assembly49
- Input Shaft Assembly Replacement49
Replacement of a Seized Bearing on the Input Shaft50
Reinstallation of a Loose Bearing on the Input Shaft51
Speed Change Spindle Assembly Replacement51
V-Belt And/Or Machined Pulley Replacement51
- Output Shaft Assembly Replacement52
Replacement of a Seized Bearing on the Output Shaft52
Reinstallation of a Loose Bearing on the Output Shaft52
- Variable Speed Belt Replacement53
Tl Ming Belt Replacement53
Disassembly to Remove the Rack Gears or Pinion Shaft53
- Rack Gear Reassembly53
Replacement of a Jammed Rack Gear54
- Pinion Shaft Replacement54
- Belt Tracking Switch Replacement55
Disassembly to Remove the Walking Belt or Drive or Idler Pulley55
- Walking Belt Replacement55
- Drive or Idler Pulley Replacement55
- Removing a Burr from the Deck55
- Adjustment and Alignment Procedures56
- Timing Belt Tension Adjustment56
Walking Belt Tension or Track Adjustment56
Adjusting the Setscrews on the Speed Change Yoke56
Torque Limiter Adjustment57
- Grade Calibration59
Trip Level.(Low Volts) Calibration60
- Grade Potentiometer Calibration60
- Post-Maintenance Procedure60
Section 6. Drawings62

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Quinton Q50 Specifications

General

Brand	Quinton
Model	Q50
Category	Treadmill
Language	English

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