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Quickie QM-7 Series User Manual

Quickie QM-7 Series
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Quickie QM-7 Series Service Manual
©2012 Sunrise Medical Inc.
120938 Rev B

Table of Contents

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Quickie QM-7 Series Specifications

General IconGeneral
BrandQuickie
ModelQM-7 Series
CategoryWheelchair
LanguageEnglish

Summary

Introduction to the Service Manual

Basic Setup and Initial Checks

Section 1: Multimeter Tutorial

Understanding the Multimeter and Its Components

Explains the multimeter, its probes, and connection ports for electrical testing.

Multimeter Symbol Definition

Defines common electrical symbols used with multimeters for accurate readings and circuit analysis.

Section 1: Health and Safety Guidelines

General and Battery Safety Precautions

Outlines essential safety guidelines for handling equipment and batteries, including personal protection.

Battery Charger Safety Guidelines

Provides instructions for safe operation and handling of battery chargers, emphasizing electrical safety.

Electromagnetic Interference (EMI) Warnings

Explains sources of EMI, its potential effects on the power chair, and user safety precautions.

Sources of Electromagnetic Interference (EMI)

Lists common sources of EMI like handheld radios, mobile devices, and broadcast towers.

Section 1: Circuit Board Handling and ESD Precautions

Section 1: Battery Information and Installation

Battery Types and Specifications

Describes different battery types suitable for wheelchairs and factors affecting battery size selection.

Battery Installation Procedures

Provides guidance on correctly installing wheelchair batteries, emphasizing harness connection.

Section 1: VR2 Remote Controller Overview

VR2 Controller Plugs and Connectors

Illustrates and explains the pinouts and connections for the VR2 joystick and charger ports.

Section 1: R-NET Controller Operations

R-NET LED Remote Controller Operation

Describes the function of buttons on the R-NET LED remote controller, including speed and tilt controls.

R-NET Remote Controller with Display

Details the R-NET controller with display, covering mode, profile, speed adjustments, and toggle functions.

R-NET Controller Plugs and Connectors

Shows pinouts for the R-NET harness, charger port, and motor connections for the controller.

Section 1: QM-7 Series Control Modules

Section 2: VR2 System Configurations

VR2 Dual Attendant System Configuration

Details the connection setup for the VR2 dual attendant system, including troubleshooting for faults.

VR2 Main Wiring Diagrams

Presents wiring diagrams for the VR2 system, including power module connections and bus connections.

R-Net Power Module Connections

Illustrates R-Net power module and bus connections for various seating configurations.

Switch Operating Systems (VR2 & R-NET)

Diagrams the switch-drive systems for Tilt-only and Lift-only configurations with VR2 and R-NET.

3-Axis Actuator Drivers (VR2 & R-NET)

Explains the wiring for 3-axis actuator drivers for Tilt and Lift functions in VR2 and R-NET systems.

2-Axis and Thru-Drive Systems (VR2 & R-NET)

Details wiring diagrams for 2-axis and Thru-Drive actuator systems for VR2 and R-NET.

R-NET Multi-Actuator Configurations

Shows wiring for R-NET multi-actuator systems with and without lift/tilt, detailing actuator connections.

Section 2: R-NET System Components

R-NET Specialty Controls Overview

Illustrates system connections for R-NET specialty controls, including attendant controls and external devices.

Wheelchair Battery Configurations

Depicts battery types (Group 24/22) and installation methods, including harness routing and cable ties.

Section 3: VR2 Troubleshooting

VR2 Troubleshooting: Battery Diagnostics

Covers battery diagnostics, servicing, replacement, and voltage testing procedures for VR2 systems.

VR2 Remote Controller Display Indicators

Explains the meaning of VR2 controller display indicators like speed ripples, flashes, and battery gauge states.

Section 3: VR2 Diagnostic Codes Troubleshooting

VR2 Diagnostic Codes: Motor and Wiring Issues

Guides on troubleshooting left motor wiring trips and right motor disconnection errors using resistance tests.

VR2 Diagnostic Codes: System and Charger Issues

Addresses faults related to charger connection, joystick trips, speed profile errors, and control system issues.

VR2 Diagnostic Codes: Brake and Voltage Issues

Explains troubleshooting for solenoid brake trips, high battery voltage, and general battery faults indicated by bars.

Section 4: R-NET Troubleshooting

R-NET Troubleshooting: Chair Will Not Power Up

Steps to diagnose and resolve issues when the R-NET power chair fails to turn on, checking battery voltage and components.

R-NET Troubleshooting: Bus Cables and Power Connector Checks

Verifies bus cable mating and checks battery voltage at the power connector for R-NET system issues.

R-NET Battery Voltage and Harness Testing

Guides on testing battery voltage at connectors and checking the fusible links in the battery harness.

Section 4: R-NET Fault Code System Overview

Section 4: R-NET LED Battery Gauge Fault Codes

Section 4: R-NET Fault Isolation and Speed Issues

R-NET Fault Isolation Example (R-10)

Demonstrates isolating an R-10 fault, identifying a disconnected right motor and referring to error code tables.

R-NET Power Chair Not Driving Full Speed

Troubleshoots why the power chair won't drive at full speed, relating it to tilt position and a creep speed micro-switch.

R-NET Creep Speed Micro-switch Testing

Details testing the creep micro-switch for proper operation and continuity to diagnose speed issues.

R-NET Chair Not Driving in Creep Speed When Tilted

Addresses issues where the chair fails to engage creep speed when tilted, checking the micro-switch signal.

Section 4: R-NET Tilt/Lift Actuator Operation Failure

R-NET Tilt/Lift Actuator Wiring and Voltage Checks

Tests voltage and continuity at the tilt/lift actuator connectors and cables for troubleshooting.

R-NET Tilt Actuator Testing Examples

Provides specific tests for tilt actuator motor windings and micro-switch continuity in different tilt positions.

Section 5: Battery Testing Procedures

Battery Load Test Analysis and Notes

Explains how to analyze battery load test results, including rapid voltage drops and slow drops indicating battery issues.

Individual Battery Voltage Checks

Describes how to check individual battery voltages, interpret readings for charged, overcharged, or discharged states.

Section 6: Motor and Gearbox Inspection

Motor Brush and Commutator Inspection

Details inspecting motor brushes for wear, leads for overheating, and commutators for cleanliness and arcing.

Measuring Resistance for Park Brake and Motor

Explains how to measure resistance for the park brake assembly and motor brush assembly using a multimeter.

Section 7: Removal Procedures

Battery Access and Removal

Provides step-by-step instructions for accessing and removing wheelchair batteries, emphasizing safety.

Battery Installation Procedures

Details the correct process for installing batteries, including harness attachment and torque specifications.

Section 7: Component Removal

Motor and Gearbox Removal

Outlines steps for disconnecting power and removing the motor and wheel assembly from the chair.

Removal of Units with Mechanical Brake

Describes the process for removing components on units equipped with a mechanical brake.

Control Module Removal

Explains how to access and disconnect the control module by removing its cover and connectors.

Caster Wheel Removal and Replacement

Guides on removing and replacing caster wheels and their stems, detailing the nuts and bolts involved.

Gas Spring Removal

Instructions for removing gas springs, including wheel removal, lower holding bolt, and top holding bolt.

Tilt Actuator Removal

Details removing the seating system, disconnecting the tilt actuator connector, and unfastening nuts.

Recline Actuator Removal

Instructions for removing the rear shroud and gaining access to the ISM control module for recline actuator removal.

Shear Actuator Removal

Details removing the shear actuator after recline actuator removal, including disconnecting ISM box and mounts.

Elevate Actuator Removal

Outlines steps for removing the elevate actuator by disconnecting wires from the ISM control box and lift module.

Section 8: Adjustment Procedures

Seat and Back Width Adjustment

Guides on adjusting seat width for ASAP II seating systems, involving loosening bolts and sliding plates.

Legrest Adjustment: Long or Short Center-Mount

Explains how to adjust legrests using hex keys and wrenches, moving footrest extensions and calf pads.

Powered Center-Mount Legrest Adjustment

Details operating the 4-way switch or joystick for powered legrest adjustments on the center mount.

Back-rest Angle Adjustment

Explains that back-rest angle is set by programming; no mechanical procedures are required.

Seat Height Adjustment: Front Bracket

Guides on adjusting seat height using threaded bolts on the front bracket, referencing a height matrix.

Seat Height Adjustment: Rear Bracket

Details adjusting seat height using rear bracket bolts and referencing shroud removal for access.

Recline and Pivot Point Adjustments

Covers recline angle programming and pivot point adjustments for seat/back height.

Seat-back Depth Adjustment

Explains how to adjust seat-back depth by moving mounting brackets along the seat-pan track.

Cantilevered Armrest Adjustments

Guides on adjusting armrest angle and height, including kid's and user-in-chair adjustments.

Section 9: Reference and Options

Non-expandable 3-Axis Controls

Describes 2-axis and 3-axis actuator boxes used for lift, tilt, and power legrest functions.

Powered Legrest and Seat Control Operations

Explains operating powered legrests and seat functions using VR2/R-Net controls and multi-axis boxes.

Reference: Inhibit Scheme

Details the inhibit schemes for drive systems and ISM actuators based on switch states and module connections.

R-NET Joystick and Omni Display Symbols

Defines symbols displayed on R-NET controllers and Omni interfaces, indicating system status and modes.

Seat Height Adjustment Matrix

Provides a matrix for calculating seat height adjustments based on chair configuration and STFH positions.

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