Puritan Bennett Companion 492a & 590 Oxygen Concentrator Service Manual PDF

Description

Puritan Bennett Companion 492a & 590 Oxygen Concentrator Service Manual PDF DOWNLOAD

Description

Service and maintain Puritan-Bennett Companion 492a and Companion 590 Oxygen Concentrators with this technician-focused Service Manual (Part Number 492779). It includes setup/inspection steps, routine maintenance schedules, detailed theory of operation, performance verification tests, troubleshooting tables, and step-by-step repair procedures for major components.

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✅ Models Covered

• Companion 492a Oxygen Concentrator

• Companion 590 Oxygen Concentrator

🗂️ Table of Contents

Section 1 — Introduction & General Information

• General product description

• Optional accessories and literature

• Performance specifications

• Unpacking and receiving inspection

• Operating procedures

  • Operational check

  • Operating instructions

• Routine maintenance

• Recommended tools and test equipment

Section 2 — Theory of Operation

• Overview of concentrator operation

• Pneumatic system components

• Electrical system components

• Concentrator system operation

Section 3 — Performance Verification

• Performance verification tests

  • Oxygen concentration

  • Pneumatic

  • Electrical

  • Ventilation system

  • Flow

  • Sound

• Operational checklist

  • Low concentration

  • Concentrator won’t run

  • Improper operation

• Troubleshooting guide

• Balancing orifices

Section 4 — Service and Repair

Includes step-by-step service procedures for:

• Cabinet

• Circuit breaker

• Hour meter

• Audio alarm

• Flowmeter flow control valve

• Flowmeter

• Power switch

• Control printed circuit board

• Compressor platform assembly

• Compressor (492a)

• Compressor (590)

• Capacitor

• Cooling fan

• Pressure switch

• Pressure regulator

• Solenoid valve

• Pressure relief

• Sieve canister

• Pilot valve

• Restrictor tube assemblies

• Outlet gas filter

• Shock mount

• Compressor cup seals (590)

Section 5 — Technical Bulletins

• Technical bulletins section for updates and service notes

Section 6 — Oxygen Concentration Indicator (OCI)

• General product description

• Theory of operation

• Performance verification

• Troubleshooting and repair

📌 File Details

Fix it the right way—this manual gives you the exact tests, troubleshooting steps, and repair procedures for Companion 492a/590 units. Download instantly and start diagnosing and servicing with confidence today.