Sears 311 User Manual

SEARS

OWNERS

MANUAL

CRAFTSMAN

MODEL NO.

919.176210
919,176311

919.176320

919.176330

IMPORTANT

Read the Safety Guidelines
and All Instructions

Carefully Before Operating

AIR COMPRESSOR

ASSEMBLY ----
OPERATION

MAINTENANCE
REPAIR PARTS

Record In the spaces provided.

(1) The model number which can be

found on the label on the front Of the

air tank saddle.

(2) The code number which can be

found on the ,'oil label on the aide of

the air tank.

(3) The Manufacturers Number (ASME

Code Compressors only) Is located
on the metal data plate which is

welded onto the side of the air tank,
(This data plate is painted the same

color as the tank.)

(4) The Motor Manufacturers name

which is located on the motor iabet.

(5) The Motor Mfg. number - also

!ocawd on the motor label.
Retain these numbers for future

reference.

Model No ..............

Code NO, =

MfO. No.

BI-30-og.1-D 5/85

Motor Mfg. Name ,

Motor Mfg. No,

Seers, Roebuck and Co., Chicago, IL 60684 U.S.A.

TABLE OF CONTENTS

Page

WARRANTY ......................................................... 3

SAFETY GUIDELINES ................................................ 3

SPECIFICATION CHART .............................................. 5

GENERAL INFORMATION ............................................. 6

GENERAL DESCRIPTION OF OPERATION .............................. 6

ASSEMBLY INSTRUCTIONS ........................................... 6

Tools Needed for Assembly ......................................... 6

Attaching Wheels, Handle, Etc....................................... 6

Grounding Instructions .............................................

Start-Up Procedures ............................................... 7

OPERATION ......................................................... 7

Control Console ................................................... 7

Pressure Switch................................................... 8

Safety Valve...................................................... 8

Motor ............................................. : .............. 8

Pressure Release Valve ............................................ 8

MAINTENANCE ...................................................... 8

Replacing Air Intake Filter .......................................... 8

Checking Safety Valve ............................................. 8

Checking and Changing Oil......................................... 9

Location of Air Compressor ......................................... 9

Draining Water From Air Tank ....................................... 9

Replacing Belt .................................................... 9

Storage .......................................................... 9

AIR COMPRESSOR DIAGRAM ......................................... 10

PARTS LIST, ......................................................... 11

ACCESSORIES ...................................................... 13

TROUBLESHOOTING GUIDE .......................................... 13

HOW TO ORDER REPAIR PARTS ...................................... 16

FULL ONE YEAR WARRANTY

AIR COMPRESSOR

If this air compressor fails due to a defect in material or workmanship within one year from the date
of purchase, return it to the nearest Sears Service Center/Department throughout the United States

and Sears will repair it, free of charge.

If this air compressor is used for commercial or rental purposes, the warranty will apply for ninety
days from date of purchase,

This warranty gives you specific legal rights and you may also have other rights which vary from
state to state.

Sears, ROebuck and Co,, Sears Tower, Dept. 698/731A, Chicago, IL 60684

SAFETY GUIDELINES

This manual contains information that is important for you to know and understand.

This information relates to YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS.

To help you recognize this information, we use the following symbols. Please read the manual and

pay attention to those s_ctions.

IMPORTANT INFORMATION FOR PREVENTING INJURY OR LO$._ O.= LIT--.

_ __ ........ _ -

AREA

Indicates where a hazard
can oCCur.

_ m, • ,=

Moving Pa_s

Information for preventing damage to equipment

Note

Information that you should pay special attention to.

WARNING

rl I '1III

PLEASE READ THE FOLLOWING CHART.

_-- .... • ,, _........ _ ..............

HAZARD

Indicates what can happen if pre-
cautions are not observed.

,, _ ,............ __ .......

Loose items, or parts of the bOdy
may get caught and cause sad-

SAFEGUARDS

Indicates how to avoid the hazard and what
special protective clothing, equipment, and

precautions will be used.

Never operate the compressor with the con-
sole removed.

DUe injury or damage,

Keep small children, your hands, and all
items away from the flywheel and belt.

Unit cycles automatically when
power is ON. During service or
repair activities, this automatic
cycling may cause a hazard.

_ _ ,, ,

Always unplug the unit before attempting re-
pairor maintenance ofthecompressor. Also,

make sure the pressure is released from the
compressor and air tank.

, ,,, ,, ,,,,,,,,,,

AREA

Hot Parts

HAZARD

i ii

Air compressors get hOt when
running. Serious burns may re-

sult if touched.

SAFEGUARDS

,,,i ..................... ii ,i

Never touch the compressor, tubing, or
motor during or immediately after operation

ofthe compressor.

Air Tank

Electrical ,Shock

Air pressure or mechanical loads

that are higher than design loads

may cause the tank to rupture.

Changes to the air tank structure
will cause the tank to weaken

Tank rupture or explosion may

occur.

iiiii IHIIII I

This unit is powered by 120 or
240 volts.

DO not adjust, remove, or defeat the safety
valve. Check the valve from time to time by

pulling the ring on the valve. If the valve is
stuck or does not operate smoothly, it must

be replaced.

Do not adjust, remove, or defeat the pres-
sure switch.

Never use a motor with higher horsepower
rating than the one supplied.

The compressor was not designed to De
powered bya gasoline engine. Do not substi-
tute a gas engine.

Never drill into, weld, or change the tank in
any way.

,,,,,,,,,,,,,,i

Always unplug unit prior to doing any main-

tenance or repair.

Use of unsuitable solvents

Flammable vapors

The solvents 1,1,1-Tdchloroeth-
ane and Methylene Chlo_de can
chemically react with aluminum

used in paint spray guns, paint
pumps, etc. and cause an explo-

sion. These solvents can also
react with galvanized compo-

nents and cause corrosion and
weakening of parts.

iiiiiiiiiiiiiiii iiii

A spark from the motor or pres-

sure switch electrical contacts
can ignite flammable vapors

from gasoline or sOlvents, and
cause an explosion or fire.

Never use the unit outdoors when it is rain-

ing.

Always plug the cord into an electrical outlet

with the specified voltage and adequate fuse
protection.

This hazard does not affect your compres-
sor outfit - but it may affect the equipment

used wilh the outfit. Read the label or data
sheet for the material you intend to spray.

Equipment containing aluminum or gal-
vanized parts that will come in contact with

these solvents, and that can contain pres-

sure, must not be used with these solvents.
You must either change the material, or use

only stainless steel spray equipment.

ii III

The compressor and any other electrical

tool must only be used in well ventilated

areas, free of gasoline or solvent vapors.

AREA

Toxic Vapors

HAZARD

i i • , ......

Compressed air from this unit
may cenlain poisonous carbon

monoxide.

SAFEGUARDS

illl,

Never directly inhale the compressed air
produced by this unit.

Certain sprayed materials Such

as paints, weed killer, sand, in-

secticides, etc., may be harmful if
used in a closed area or ifinhaled.

Be certain to read labels when spraying
paints or poisons.

Use a mask or respirator whenever there is a

chance that you might inhale anything that
you are spraying. Read all instructions so

that you know that your mask will protect you

from what you are spraying.

Compressed Air

J_JUULII II I,II,,, IIIIII . • ..........................................

Model No. 919.176210 919,176311

HP

Displacement CFM

Bore

Stroke
Voltage-Single Phase

Branch Circuit Min, Requirements

"Fuse Type "Fusetron" Type T "Fusetron" Type T

Amperage at Max Pressure 19.5 15.5

Air Tank Capacity 12 gel 12 gal ASME

Approximam Cut-in Pressure -'80" psig B0 psig

Approximate Cut-out Pressure 100 psig 100 psig
SCFM at 125 psig _ -

100 psig f 5.6 5.6

90 psig 6.0 6.0

II,ILUU_ ............ i I II IIIIIIIII ii

"Models 919.176210 &919.176311, 1 HP motor is dual voltage, 110-!20 and 220-240 volt, Itis wired for 110-120 voltbut can be converted to

220.240 volt operation. Instructions for connecting the motor for operation at 220-240 volt can be found printed on the inside of the
motor cover or on the nameplate of motor.

"A c/muir breaker is also acceptable.

40 psig 7.3 73

Compressed air may propel dirt,
metal shavings, etc. and result in

possible injury.

iiiiii Jlll,lllllll

SPEC RCATIO.C, RT

1 1

9.2 9.2

2_/=" 2_/,,,

2" 2"

"110-220 "110-220

20 amp 15 amp

Never point any nozzle or sprayer toward a
person or any part of the body.

Always wear safety goggles or glasses when

spraying.

IIIII _ iiiii

................ i,ii1,1iii

919.176320 " 919,176330

2 3

11.7 14.0

23/,=- 27/e-

2" 2"

220-24.0 220-240

15 amp 15 amp

"Fusetron" Type T "Fusetron" Type T

12.4 14.4

20 gel ASME 30 gal ASME

100 psig 100 psig
125 psig 125 psig

6,4 75

m

7.5 8.5

9.0 10.3

Jill lUll

MODEL #919.178311 (1 HP) air compressor can be oper-

ated on a 15amp circuit provided the following conditions
exist:

t) Voltage supply to circuit Is normal,

2) Circuit Is not used to supply any Other electrical needs
(appliances, lights, etc,)

3) Extension cords comply with specifications in manual.

4) Circuit Is equipped with 15 amp circuit breaker or 15

amp "'Fusetron" Type T time delay fuse.

If any of the above conditions cannot be met or If the

operation of the compressor repeatedly cause interrup-
tion of the power J!may be necessary to operate It from a
20 amp circuit.

When converting 1 HP models to 220-240 volt operation,
the attached three-prong 110-120 volt plug must be

replaced with a three-prong 220-240 volt plug (purchase
loCally) or order line ©ord Part No. SUDL-404-1.

SCFM (Standard Cubic Feet per Minute):

Unit of measure of air delivery

PSIG (Pounds per Square inch Gauge):

Unit of measure of pressure