Harbor Freight Tools 93874 INSPECTION, MAINTENANCE, and Cleaning, Do not use damaged equipment

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INSPECTION, MAINTENANCE, AND CLEANING

1. WARNING! Make sure the Power Switch of the Engine is in its “OFF” position. Release all air pressure from the system and disconnect all tools and equipment from the Air Compressor before performing any inspection, mainte- nance, or cleaning procedures.

2.Before each use, inspect the general condition of the Air Compressor. Check for loose screws, misalignment or binding of moving parts, cracked or broken parts, damaged electrical wiring, loose air fittings, and any other condition that may affect the safe operation of the Compressor. If abnormal noise or vibration occurs, have the problem corrected before further use.

Do not use damaged equipment.

3.Before each use, check the Engine oil level. If necessary, fill the crankcase of the Engine with the proper amount and type of engine oil. Refer to the Engine manufacturer’s manual for all inspection, maintenance, and cleaning in- structions.

4.Before each use, check the Air Compressor oil level. If necessary, fill with a premium quality, 30-weight, non-detergent, compressor oil. (See Figure B.)

5.Daily: Empty condensation from the Air Compressor’s Tanks (12). The Tanks should be emptied daily to release all trapped moisture that may cause Air Tank corrosion. Allow sufficient time for all of the condensation to escape from the Tanks. Then, firmly retighten the two Drain Plugs (25). (See Figure D.)

6.Every 500 hours or 12 months, replace the old compressor oil with new, pre- mium quality, 30-weight, non-detergent, compressor oil. To do so, remove the Screw (36A) located at the base of the Air Compressor. Drain the old oil into a proper container. Then, refill the Air Compressor with new oil. (See Figure B.)

7.To replace the V-Belt:Unscrew and remove the six Screws (21) that hold the front Belt Guard (13) section to the rear Belt Guard section. Then, remove the

BELT GUARD (13)

SCREW (21)

 

 

 

SCREW (21)

 

 

SCREW (21)

SCREW (21)

FIGURE G

SCREW (21)

SKU 93874

For technical questions, please call 1-800-444-3353.

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Contents AIR Compressor HP 8 Gallon Capacity Your Warranty Is Voided IfGeneral Safety Rules and Precautions Product SpecificationsSave this Manual Work AreaPersonal Safety Service Specific Safety Rules and PrecautionsSKU For technical questions, please call See Figure a Fire and Explosion PrecautionsChemical Precautions Mechanical PrecautionsNoise Precautions MISC. PrecautionsPRE-OPERATING Instructions UnpackingTo Add Engine Oil See Engine manufacturer’s manual for complete instructionsSee Figure B To Add Compressor OilSight Glass. See Figure B To Fill The Fuel TankOperating Instructions To Install a Quick CouplerSee Figure C To Start The CompressorSee Engine manufacturer’s manual See Figure ETo Stop The Compressor See Figures E and FDo not use damaged equipment INSPECTION, MAINTENANCE, and CleaningPlease Read the Following Carefully Figure G and Assy. DiagramTroubleshooting Compressor SKU For technical questions, please call 1-800-444-3353 e Parts ListAssembly Diagram 40A 38A 41A Limited 2 Year Warranty