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Craftsman 921.166370 User Manual

Craftsman 921.166370
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Owner's Manual
lcRnFTSMnN°
AIR COt
4-gallon
1HP
AIR COMPRESSOR
Oil Lubricated
Model No. 921.166370
CAUTION:
Before using this product,
read this manual and follow
all its Safety Rules and
Operating Instructions.
o Safety instructions
Installation & Operation
Maintenance & Storage
° Troubleshooting Guide
Parts List
Espa_ol, p. 10
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
www.sears.com
3/2112005
Part No, E101375
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Craftsman 921.166370 Specifications

General IconGeneral
BrandCraftsman
Model921.166370
CategoryAir Compressor
LanguageEnglish

Summary

Safety Symbols

Important Safety Instructions and Guidelines

Risk of Moving Parts

Ensures guards are attached, power cord is free of moving parts, twisting/crimping.

Risk of Burns

Surfaces can cause burns; allow unit to cool before maintenance.

Risk of Falling

Operate on stable position; avoid elevated/tipped positions.

Risk from Flying Objects

Wear safety glasses; drain tank before maintenance; never point nozzle at people.

Risk of Breathing

Use in confined areas; keep children/pets away; does not provide breathable air.

Risk of Electrical Shock

Avoid rain/wet conditions; use authorized personnel for repairs; ensure proper grounding.

Risk of Explosion or Fire

Avoid combustible materials/vapors; locate away from spray area; avoid indoors.

Risk of Bursting

Drain tank daily; replace if leaking; do not modify settings.

Specifications

Glossary

Duty Cycle

Parts & Features

Regulator Gauge

Indicates outgoing air pressure to the tool, controlled by regulator.

Check Valve

Closes when pump is not operating to retain tank pressure.

Tank Pressure Gauge

Indicates the reserve air pressure in the tank.

Quick Connect

Offers a quick release feature for attaching and removing the air hose.

Tank Safety Valve

Allows excess tank pressure to escape when above maximum rated pressure.

Pressure Switch

Controls motor power and cut-in/cut-out pressure settings.

Pressure Relief Valve

Automatically releases compressed air when cut-out pressure is reached.

Regulator

Controls air pressure from the tank; adjust by turning knob.

Tank Drain Valve

Used to drain condensation from the air tank.

Air Intake Filter

Provides clean air to the pump; keep free of debris.

Oil Sight Gauge

Indicates the oil level in the crankcase.

Installation & Assembly

Getting Started - Location of the Air Compressor

Locate in clean, dry, ventilated area with 12 inches space; ensure filter intake is clear.

Grounding Instructions

Product must be grounded for shock risk reduction; use proper plug and outlet.

Extension Cords

Use 3-wire, grounding extension cords; ensure condition and gauge are adequate.

Break In Procedures

No break-in procedure required; product is factory tested for performance.

Operating Procedures

Daily Start-Up Procedures

Steps for safe and proper daily operation, including checks and connections.

Daily Shut-Down Procedures

Steps for safe shutdown, including draining the tank and unplugging.

Detaching unit from dolly

Removing the air compressor from the dolly

Steps to safely detach the compressor from its dolly.

Reattaching the air compressor to the dolly

Steps to safely secure the compressor onto its dolly.

Maintenance

Storage

Troubleshooting Guide

Parts List

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