Table of Contents
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THIS MANUAL CONTAINS IMPORTANT SAFETY INFORMATION AND SHOULD ALWAYS BE
AVAILABLE TO THOSE PERSONNEL OPERATING THIS UNIT.
READ, UNDERSTAND AND RETAIN ALL INSTRUCTIONS BEFORE OPERATING THIS
EQUIPMENT TO PREVENT INJURY OR EQUIPMENT DAMAGE.
MODEL R70A COMPRESSOR
Form No. F3234
VER: 09 07/01/2009
TWO STAGE/FOUR CYLINDER R70A
AIR COMPRESSOR & UNITS
WARNING
C324-A
(Ref. Drawing)
OPERATION/MAINTENANCE
MANUAL & PARTS LIST
MODEL HRA25-12 UNIT
C469-A
(Ref. Drawing)
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Table of Contents
Related Manuals for Champion HRA20D-25
Summarization of Contents
Genuine Champion Parts and Support Services
Ordering Repair Parts
Instructions for specifying and ordering replacement parts for Champion compressors.
Safety Symbols and Decals Explained
Safety and Operation Precautions Overview
Summary of essential safety information and precautions for operating the unit.
Warranty Information
Express Limited Warranty
Details the limited warranty coverage for Champion air compressor units.
Compressor Dimensions and Specifications
Model Specifications
Technical specifications including bore, stroke, cylinders, oil capacity, weight, and pressure.
Performance Data
Details on output, pressure, motor HP, pump RPM, airflow, and heat rejection.
Installation Guide
Electrical Power Supply
Guidelines for selecting and wiring the correct electrical power supply for the compressor unit.
Grounding and Air Line Piping
Instructions for proper grounding and recommended air line piping sizes.
Compressor Operation
Initial Start Up Procedures
Step-by-step guide for the initial startup and testing of the compressor unit.
Maintenance Schedule
Daily Maintenance Tasks
Routine checks and tasks to be performed daily for compressor upkeep.
Weekly Maintenance Tasks
Regular cleaning and checks to be performed weekly.
90-Day/500-Hour Maintenance
General Maintenance Notes
Important considerations for pressure relief valves, pressure switches, and belts.
Compressor & Motor Lubrication
Pilot Valve Function
Explanation of the pilot valve's role in head unloader operation.
Pilot Valve Pressure Adjustments
Differential Pressure Adjustment
Procedure for setting the differential pressure for the pilot valve system.
Compressor Oil Specifications
Changing to Synthetic Lubricant
Steps for transitioning from standard lubricant to synthetic lubricant.
Unit Repair Parts Illustration
Repair Parts List (HRA Models)
Illustrated list of repair parts for HRA series compressor models.
Repair Parts List (BRA Models)
Illustrated list of repair parts for BRA series compressor models.
Repair Parts List (HRA D Models)
Illustrated list of repair parts for HRA D series compressor models.
Compressor Repair Parts Illustration (R70A)
R70A Compressor Parts List
Detailed list of parts for the R70A compressor model.
Compressor Tube Assemblies (R70A)
R70A Tube Assemblies Parts List
List of parts for the R70A compressor's tube and fitting assemblies.
Constant Speed Head Unloader
Unloader Repair Parts List
List of specific parts for the constant speed head unloader accessory.
Hazard Decal Listings
Unit Hazard Decals
Catalog of decals providing hazard warnings for the compressor unit.
Pump Hazard Decals
Catalog of decals providing hazard warnings specific to the compressor pump.
Hazard Decal Details
Dual Control Instructions
Instructions for operating the dual control valve for different modes.
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