U.S. General 91824 Operator's Manual

30 gallon 12.75 hp kohler gas engine air compressor

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Warranty Statement

Harbor Freight Tools Co. makes every effort to assure that its products meet high
quality and durability standards, and warrants to the original purchaser that this
product is free from defects in materials and workmanship for a period of two years
from date of purchase.
(90 days if used by a professional contractor or if used as rental equipment).
This warranty does not apply to damage due directly or indirectly to misuse, abuse,
negligence or accidents; repairs or alterations outside our facilities; or lack of
maintenance. We shall in no event be liable for death, injuries to persons or
property, or for incidental, contingent, special or consequential damages arising
from the use of our product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation of exclusion may not apply to you. To take
advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the
complaint must accompany the merchandise. If our inspection verifies the defect,
we will either repair or replace the product at our election or we may elect to refund
the purchase price if we cannot readily and quickly provide you with a replacement.
We will return the repaired products at our expense, but if we determine there is no
defect, or that the defect resulted from causes not within the scope of our warranty,
then you must bear the cost of returning the product. This warranty gives you
specific legal rights and you may also have other rights which vary from state to
state.
3491 Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 (800)444-3353
LIMITED
WARRANTY
30 GALLON
12.75 HP KOHLER
GAS ENGINE

AIR COMPRESSOR

STOCK# 91824
OPERATOR'S MANUAL
WARNING
!
To reduce the risk of injury, the user
must read and understand the
Operator's Manual before using this
product.
MODEL: US1230G
REV0905

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Table of Contents
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Summary of Contents for U.S. General 91824

  • Page 1: Warranty Statement

    3491 Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 (800)444-3353 STOCK# 91824 OPERATOR’S MANUAL WARNING To reduce the risk of injury, the user...
  • Page 2: Safety Instructions

    Safety Instructions This manual contains information that is Warning indicates WARNING very important to know and understand. a potentially haz- This information is provided for SAFETY ardous situation which, if not avoided, and to PREVENT EQUIPMENT PROB- COULD result in death or serious injury. LEMS.
  • Page 3 Safety Instructions (continued) Crankcase 6061100 Cylinder 6030000 Head 6061401 10. Keep fingers away from a running Crankshaft 6061200 a flammable gas or vapor. Never compressor; fast moving and hot Crankcase Bottom 6061301 store flammable liquids or gases parts will cause injury and/or burns. Crankcase Bottom Gasket 6050101 in the vicinity of the compressor.
  • Page 4: Breathable Air Warning

    B6000 16. Fast moving air will stir up dust and repairing or inspecting, make certain all debris which may be harmful. moving parts have stopped. Disconnect Release air slowly when draining the spark plug wire and keep the wire moisture or depressurizing the com- away from the plug to prevent acciden- pressor system.
  • Page 5: Glossary Of Terms

    Glossary of Terms Troubleshooting ASME Safety Valve Regulator (Not Included) A safety valve that automatically releases A control that adjusts the line pressure to TROUBLE PROBABLE CAUSE REMEDY the air if the air receiver (tank) pressure the proper amount needed to operate exceeds the preset maximum.
  • Page 6: Getting To Know Your Air Compressor

    Troubleshooting Getting to Know Your Air Compressor Air Filter WARNING For your own safety do not try and run the air compressor while troubleshooting. Belt Guard TROUBLE PROBABLE CAUSE REMEDY Oil Sight Glass Low discharge pres- 1. Air leaks 1. Listen for escaping air. Pilot/Unloader Vave sure Ally soap solution to all...
  • Page 7: Start-Up

    Operating Your Compressor Operating Your Compressor (continued) 2. This compressor is equipped with an auto- CAUTION NOTICE matic start- relief valve. This valve allows Adjusting A Regulator Before starting the compressor, the unit to run (unloaded) for a few Do not attach air tools to open (Regulator must be purchased Separately) thoroughly read all component seconds before air pressure starts to build...
  • Page 8: Table Of Contents

    Table of Contents Notes Section Page Section Page Safety Instructions Maintenance Safety Signal Words Maintenance Schedule Before Using the Air Adjusting the Regulator Compressor Filter Removal, Inspection, and Spraying Precautions Replacement Breathable Air Warning Drive Belt Glossary of Terms Troubleshooting Unpacking and Checking Content Replacement Parts...
  • Page 9 B6000...
  • Page 10 B6000 Crankcase 6061100 Cylinder 6030000 Head 6061401 Crankshaft 6061200 Crankcase Bottom 6061301 Crankcase Bottom Gasket 6050101 Valve Plate 6040051 Conrod Bearing (2 per Rod) 9013014 Connecting Rod 6011101 Conrod Nut 9128234 HP Piston 6021100 LP Piston 6022100 HP Wrist Pin 6021200 LP Wrist Pin 6022200...
  • Page 11 WNER ANUAL CS S OMMAND ERIES 4-12 HP ORIZONTAL RANKSHAFT...
  • Page 12 Safety Precautions WARNING WARNING WARNING Explosive Fuel can cause fires and Rotating Parts can cause severe Hot Parts can cause severe burns. severe burns. injury. CAUTION California Proposition 65 Warning Electrical Shock can cause injury.
  • Page 13 Safety Precautions (Cont.) WARNING WARNING WARNING Explosive Gas can cause fires and Accidental Starts can cause severe Carbon Monoxide can cause severe acid burns. injury or death. severe nausea, fainting or death. Disabling engine. Accidental starting can cause severe injury or death.
  • Page 14 Oil Recommendations Oil Type...
  • Page 15 Fuel Recommendations Engine Identification Numbers General Recommendations Fuel Type...
  • Page 16: Operating Instructions

    Operating Instructions Starting Pre-Start Checklist Cold Weather Starting Hints...
  • Page 17 Stopping Disabling engine. Accidental starting can cause severe injury or death. Battery Operating...
  • Page 18: Maintenance Schedule

    Maintenance Instructions Disabling engine. Accidental starting can cause severe injury or death. Maintenance Schedule Check Oil Level...
  • Page 19 Change Oil Oil Sentry™...
  • Page 20 Reduction Systems Service Precleaner and Air Cleaner Element...
  • Page 21 Ignition System Clean Air Intake/Cooling Areas Standard Dual Air Cleaner System Heavy Duty Air Cleaner System...
  • Page 22 Check Spark Plug Battery Charging ® ® Fuel Valve...
  • Page 23 Muffler Screen and Spark Arrestor Fuel Tank Filter...
  • Page 24: Troubleshooting

    Carburetor Troubleshooting and Adjustments Troubleshooting...
  • Page 25 Adjust Carburetor Troubleshooting Possible Cause No Improper Dirt In Dirty Incorrect Engine Dirty Air Faulty Problem Fuel Fuel Fuel Line Grass Screen Oil Level Overloaded Cleaner Spark Plug Will Not Start Hard Starting Stops Suddenly Lacks Power Operates Erratically Knocks or Pings Skips or Misfires Backfires Overheats...
  • Page 26 Storage Parts Ordering Major Repair Model Designation...
  • Page 27 Specifications LIMITED 2 YEAR COMMAND ENGINE WARRANTY...
  • Page 28 KOHLER CO. FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS LIMITED WARRANTY SMALL OFF-ROAD ENGINES MANUFACTURER’S WARRANTY COVERAGE OWNER’S WARRANTY RESPONSIBILITIES COVERAGE • • • • • • • • • • • • •...
  • Page 29 LIMITATIONS MAINTENANCE AND REPAIR REQUIREMENTS warranty repairs must be performed by a Kohler authorized service center.

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