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Champion HRA20-12 - User Manual

Champion HRA20-12
32 pages
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OPERATION/MAINTENANCE
MANUAL & PARTS LIST
TWO STAGE/FOUR CYLINDER R70A
AIR COMPRESSOR & UNITS
WARNING
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 MODEL HRA25-12 UNIT
Form No. F3234 VER: 09 07/01/2009
C469-
A
(Ref. Drawing)
C324-
A
(
Ref. Drawin
g)

Table of Contents

Questions and Answers

  • C
    Christopher PopeAug 19, 2025
    How to troubleshoot a Champion HRA20-12 motor that will not start?
    • C
      Chelsea TorresAug 19, 2025
      If the Champion Air Compressor motor won't start, check the following: * Ensure all fuses and switches are operational and inspect for loose or faulty wiring. * Check the overload relay in the starter and reset it. * Reset the starter. If it trips repeatedly, have an electrician inspect the electrical system. * Repair or replace the pressure switch, remembering to relieve tank pressure first. * Use a voltmeter to check for low voltage, ensuring it corresponds to the unit's specifications.
  • K
    Kathryn GonzalesAug 21, 2025
    Why does the starter trip repeatedly on my Champion Air Compressor?
    • A
      asmithAug 21, 2025
      If the Champion Air Compressor starter trips repeatedly, consider these potential causes: 1. The pressure switch might be improperly adjusted. Adjust or replace it, remembering to relieve tank pressure first. 2. A faulty check valve could be the issue. Clean or replace it after relieving tank pressure. 3. The fuses or magnetic starter heaters might be incorrectly sized. Ensure they are properly rated. 4. Low voltage can cause this issue. Check with a voltmeter to ensure the voltage matches the unit's specifications. 5. The motor itself may be defective and require replacement.
  • A
    Amy TateAug 23, 2025
    Why is my Champion Air Compressor running hot?
    • M
      Michael LoganAug 25, 2025
      If your Champion Air Compressor runs hot, check the following: * Ensure the flywheel rotation is correct (counter-clockwise when viewed from the drive side). * The compressor valves may be defective; install a new valve plate assembly. * The air filter may be dirty; clean or replace it. * The cylinder fins or intercooler may be dirty; clean them.
  • S
    Suzanne JacksonAug 26, 2025
    What causes excessive oil consumption in a Champion HRA20-12 Air Compressor?
    • C
      Carolyn BrownAug 26, 2025
      If your Champion Air Compressor is consuming excessive oil, consider the following: * A dirty air filter: Clean or replace it. * Incorrect oil viscosity: Refill with oil of the proper viscosity. * Oil leaks: Tighten bolts and replace gaskets. * Worn piston rings: Replace the rings. * Scored cylinder: Replace the cylinder.
  • R
    Richard AndersonAug 28, 2025
    Why does tank pressure build up slowly in my Champion HRA20-12?
    • G
      gilesmeganAug 28, 2025
      If the tank pressure builds up slowly in your Champion Air Compressor, try these solutions: * Tighten any loose fittings to address potential air leaks. * Clean or replace the air filter if it's dirty. * Install a new valve plate assembly if the compressor valves are defective.
  • W
    wrightleeAug 30, 2025
    What to do if the discharge pressure relief valve pops off while my Champion HRA20-12 Air Compressor is running?
    • C
      christopherballAug 30, 2025
      If the Champion Air Compressor's discharge pressure relief valve pops off while the compressor is running, the issue might be: * An incorrect pressure switch setting: Adjust it to the correct setting. * A defective ASME relief valve: Replace the valve, remembering to relieve tank pressure first.
  • K
    katherine92Sep 1, 2025
    What to do if my Champion Air Compressor will not unload?
    • C
      Christina RogersSep 1, 2025
      If the Champion Air Compressor will not unload (for units with head unloaders), check the following: * The pilot valve setting may be incorrect: Adjust it to the correct setting. * The pilot valve may be defective: Replace the pilot valve. * There may be a lack of air to the pilot valve: Open the needle valve to the pilot valve.
  • S
    stantonrobertSep 4, 2025
    What causes excessive belt wear on a Champion HRA20-12?
    • J
      Jessica BrownSep 4, 2025
      If the Champion Air Compressor experiences excessive belt wear, consider the following: * The pulley might be out of alignment: Realign the motor pulley. * The belts might be too tight or too loose: Adjust the belt tension.
  • S
    Susan GutierrezSep 6, 2025
    What to do if my Champion HRA20-12 Air Compressor system does not alternate?
    • J
      Jeffrey ShepherdSep 6, 2025
      If the Champion Air Compressor system does not alternate (duplex units only), check these items: * Reset the starter. If it trips repeatedly, have an electrician inspect the electrical system. * Check and tighten all wiring connections in the alternator if they are loose. * Replace the alternator if it is defective. * Replace the motor if it is defective.
  • A
    Angela WilkinsonSep 8, 2025
    Why does the tank pressure build up so quickly in my Champion HRA20-12 Air Compressor?
    • A
      amy30Sep 8, 2025
      If the Champion Air Compressor's tank pressure builds up quickly, the cause might be excessive water in the tank. Drain the tank.

Champion HRA20-12 Specifications

General IconGeneral
BrandChampion
ModelHRA20-12
CategoryAir Compressor
LanguageEnglish

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