

The Husky 30-Gallon Portable Air Compressor C302H is a reliable and efficient air compressor designed for various industrial applications. With its robust construction and powerful performance, this model is ideal for both professional and DIY projects, ensuring optimal air pressure and durability.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Husky 30-Gallon Portable Air Compressor C302H
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Air Compressor Maintenance
WARNING: When servicing, use only identical Husky replacement parts. Use of any other parts may create a hazard or cause product damage.
WARNING: Always release all pressure, disconnect from the power supply, and allow the unit to cool to the touch before cleaning or making repairs on the air compressor.
WARNING: Do not at any time let brake fluids, gasoline, petroleum-based products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury.
Electric tools used on fiberglass material, wallboard, spackling compounds, or plaster are subject to accelerated wear and possible premature failure because the fiberglass chips and grindings are highly abrasive to bearings, brushes, commutators, etc. Consequently, we do not recommended using this tool for extended work on these types of materials. However, if you do work with any of these materials, it is extremely important to clean the tool using compressed air.
The safety valve automatically releases air when the receiver pressure exceeds the preset maximum.
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use.
Use clean cloths to remove dirt, dust, oil, grease, etc.
Care and Cleaning
Drain the air tank of moisture after operation.
Air Filter Cleaning
Turn the air compressor OFF ( O )
Unplug the air compressor
Unsnap the air filter cover to remove
Remove the air filter from the air filter housing
Blow compressed air through the air filter for 10-15 seconds
Sign off on the air filter cleaning
Belt Replacement
WARNING: Serious injury or damage may occur if parts of the body or loose items get caught in moving parts. Never operate the unit with the belt guard removed. The belt guard should be removed only when the air compressor power is disconnected.
Air compressor turned off and power supply locked out
All air pressure relieved from the air tank
Four screws from the belt guard removed
Front belt guard lifted up and away from the unit
Pump position marked on the saddle
Motor mounting screws loosened and motor slid toward the air compressor
Old belt removed and replaced with a new one
Belt tension adjusted before tightening the motor mounting screws
Safety Valve Check
DANGER: Do not tamper with the safety valve. Items loosened from this device could fly up and hit you. Failure to heed this warning could result in death or serious personal injury.
The safety valve automatically releases air when the receiver pressure exceeds the preset maximum. Check the valve before each day of use by pulling the ring by hand.
WARNING: If air leaks after releasing the safety valve ring or if the valve is stuck, do not use the air compressor until the safety valve has been replaced. Using the air compressor in this condition could result in serious personal injury.
Set the AUTO/OFF switch to the AUTO position, and wait for the tank to fill. The compressor automatically shuts off when the pressure reaches the preset maximum.
Set the AUTO/OFF switch (5) to the off position.
Pull the ring on the safety valve for 20 seconds to release the air.
Release the ring. Air stops escaping at about 20 psi. If air continues to escape after releasing the safety valve ring, discontinue use and seek service before using the air compressor again.
Sign off on the safety valve check
Belt Tension Adjustment
NOTE: Once the engine pulley has been moved from its factory set location, the groves of the flywheel and pulley must be aligned to within 1/16 in. (1.6mm) to prevent excessive belt wear.
Slide the motor into the original position, line the motor up with the mark made earlier on the saddle.
Tighten the two outside motor mounting screws enough to hold the motor in place for checking the pulley and flywheel alignment.
The belt should deflect 1/2 in. (12.7 mm) at midway between the pulley and the flywheel when a five-pound (2.26 kg.) weight is applied at the midway point.
When proper belt tension is achieved, tighten all four motor mounting screws.
Torque to 15-20 ft-lbs. (20-27Nm).
Sign off on the belt tension adjustment
Access the parts list for your equipment in MaintainX.
Assy Cord Power
E107331
Valve Safety
E106004
Switch Press
E108271
Brass Insert
E107339
Flywheel Lock Washer
E108151
Assy Cord Power
E107331
Valve Safety
E106004
Switch Press
E108271
Brass Insert
E107339
Flywheel Lock Washer
E108151
Assy Cord Power
E107331
Valve Safety
E106004
Switch Press
E108271
Brass Insert
E107339
Flywheel Lock Washer
E108151
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