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Central Pneumatic 94734 User Manual

Central Pneumatic 94734
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3 HP TWIN TANK AIR
COMPRESSOR
Model
94734
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright
©
2006 by Harbor Freight Tools
®
. All rights reserved. No portion of this manual or any artwork con-
tained herein may be reproduced in any shape or form without the express written consent of Harbor Freight
Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual
product may differ slightly from the product described herein. Tools required for assembly and service may not
be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Revised Manual 10d
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Central Pneumatic 94734 Specifications

General IconGeneral
Horsepower2 HP
Tank Size8 Gallons
Maximum Pressure125 PSI
Voltage120V
TypePortable
SCFM at 90 PSI3.0 SCFM
Amperage15 Amps
Air Delivery @ 40 PSI4.0 CFM
Air Delivery @ 90 PSI3.0 CFM

Summary

Cover and Initial Warnings

Important Safety Information

Read this material before using the product to prevent serious injury. Save this manual.

Product Specifications

General Safety Rules

Work Area Safety

Keep work area clean, well-lit, and free from explosive atmospheres. Keep bystanders away.

Electrical Safety

Electrical Safety Precautions

Ensure proper grounding, avoid wet conditions, protect power cord, and do not use extension cords.

Personal Safety

Personal Safety Precautions

Stay alert, dress properly, avoid accidental starting, maintain balance, and use safety equipment.

Tool Use and Care

Tool Use Guidelines

Use the correct compressor for the application. Do not force pressure. Ensure proper operation.

Service and Maintenance

Qualified Service Personnel

Service or maintenance must be performed only by qualified repair personnel using identical parts.

Specific Safety Rules

Initial Oil Filling and Cap

Fill with 30-weight non-detergent oil to the correct level and unscrew the oil fill cap.

Operational Safety Guidelines

Use eye/ear protection, ensure tool compatibility, disconnect for service, avoid direct air jets.

Safety Valve and Pressure Management

Inspect safety valve daily, do not alter it, do not readjust pressure switch, drain tank daily.

Tank Integrity and Moving Parts

Prevent tank explosion by avoiding modifications. Keep hands away from moving parts.

Hose and Electrical Safety

Use approved air hoses and never plug into an electrical outlet while on a wet surface.

Unpacking and Preparation

Check Parts and Oil Plug

Check all parts upon unpacking. The oil fill plug is removed as a reminder to add oil.

Setup Procedures

Oil Reservoir Filling

Fill the compressor with 7.8 ounces of 30-weight non-detergent oil, checking level with the dipstick.

Air Intake Filter and Hose Installation

Install air filter assembly if used. Connect air hose to compressor output using quick couplers.

Operation Guide

Turning Compressor On

Verify settings, plug in, turn power switch ON, allow pressure to build to 80 PSI before use.

Pressure Gauge and Adjustment

Automatic pressure switch controls operation. Avoid adjusting pressure levels to prevent motor stress.

Adjusting Air Output

Open the Air Flow Valve to the middle position for desired air output pressure.

Maintenance Procedures

Regular Checks and Cleaning

Check oil level before each use, clean air filter every 50 hours, drain tanks after each use.

Parts List A

Assembly Drawing A

Parts List B

Assembly Drawing B

Troubleshooting Guide

Unit Will Not Operate

Check pressure switch, circuit breaker, power, voltage, or pressure settings to resolve issues.

Motor Hums, But Does Not Run

Check for extension cord use, defective motor capacitor, or defective motor.

Circuit Breaker Tripping

Avoid extension cords, check fuse size, ensure dedicated circuit, and verify voltage.

Rattle Noise or Excessive Vibration

Check for loose bolts, ensure unit is level, or address motor seizure due to low oil.

Low Air Discharge Pressure

Reduce air usage, check for tank leakage, or replace broken valves.

Excessive Moisture at Air Outlet

Drain water from the tank to resolve excessive moisture at the air outlet.

Limited Warranty

Warranty Coverage and Limitations

One year for tank, 90 days for other parts. Excludes misuse, abuse, accidents, and lack of maintenance.

Warranty Claim Procedure

Return product with proof of purchase and complaint explanation for repair, replacement, or refund.

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