Craftsman 919.156830 User Manual
OWNERS
MANUAL
MODEL NO.
919.156730
919.156830
Listed
_ 721Y
Air
Compressor
IMPORTANT:
Read the Safety Guidelines
and All Instructions
Carefully Before Operating
CRAFTSMAN
PERMANENTLY LUBRICATED
AIR COMPRESSOR
Record in the spaces provided°
(1) The model number which can be
found on the label on the back of the
shroud°
(2) The code number which can be
found on the foil label on the back of
the air tank.
(3)The Manufacturers Number (ASME
Code Compressors only) is located
on the metal data plate which is
welded onto the back side of the air
tank, (This data plate is painted the
same color as the tank°)
ASSEMBLY
OPERATION
MAINTENANCE
REPAIR PARTS
Retain these numbers for future
reference.
Model No.....
Code Noo
S!-30-09-20 4/90
Mfg. No.
Sears, Roebuck and Co., Chicago, IL 60684 U.S.A.
TABLE OF CONTENTS
Page
WARRANTY ........................................................ 3
SAFETY GUIDEUNES ................................................ 3
WARNING CHART .............................................. 3
SPECIFICATION CHART ....................................... 5
GLOSSARY ...................................................... 5
GENERAL INFORMATION .................................................. 6
DESCRIPTION OF OPERATION ................................. 6
ASSEMBLY INSTRUCTIONS ............................................. 7
Tools Needed for Assembly ......................................... 7
Installing Wheels, Wheel Plates, Handle, Rubber foot strip ............ 7
Installing Shut-off Valve .................................................... 7
INSTALLATION AND BREAKqN PROCEDURES ................. 7
Location of Air Compressor .................................... 7
Lubrication and Oil .............................................. 7
Extension Cords ................................................. 7
Grounding Instructions ....................................... 8
Breakqn Procedures ............................................. 8
OPERATING PROCEDURES ................................. 8
MAINTENANCE ........................................................... 9
Air Fiiter ....................................................... 9
Check Valve - Inspection and Replacement ........................... 9
Safety Valve - Inspection ............................................. 9
Motor .................................................................. 9
STORAGE ............................................................. to
TROUBLESHOOTING GUIDE ....................................... lO
AIR COMPRESSOR DIAGRAM ................................... 12
Parts Ust ...................................................... 13
COMPRESSOR PUMP DIAGRAM ....................................... 14
Parts Ust ............................................................ 15
ACCESSORIES FOR USE WITH SEARS AIR COMPRESSORS 15
HOW TO ORDER REPAIR PARTS .................................. !6
FULL ONE YEAR WARRANTY
AIR COMPRESSORS
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 the date of purchase.
This warranty gives you specific legal rights and you may have other rights which vary from state
to state.
Sears, Roebuck and Co., Sears Tower, Dept. 698/731 CR-W, Chicago, IL 60684
SAFETY GUIDELINES
This manual contains information that is important for you to know and understand. This informa-
tion relates to protecting 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 these sections
URGENT SAFETY INFORMATION - A
HAZARD THAT WILL CAUSE SERIOUS
INJURY OR LOSS OF LIFE.
Information for preventing damage to
equipment.
WARNING
HAZARDS CAN OCCUR IF EQUIPMENT IS NOT USED PROPERLY.
PLEASE READ THE FOLLOWING CHART,
WHAT TO WHAT COULD HAPPEN HOW TO PREVENT IT
LOOK FOR
Hot Parts
Flammable
Vapors
The compressor head gets hot when the air Never touch the air compressor head during or
compressor is running. If you touch it, you may immediately after operation
be seriously burned.
Itis normal for the motor and pressure switch to
spark when operating tf the sparks come into
contact with vapors from gasoline, flammable
paints or solvents, they may ignite, causing a
fire or explosion..
IMPORTANT SAFETY INFORMATION - A
HAZARD THAT MIGHT CAUSE SERIOUS
INJURY OR LOSS OF LIFE.
NOTE
information that you should pay special atten-
tion to
Operate the compressor in well ventilated areas
that are free of gasoline, flammable paint or solvent
vapors
tf spraying a flammable material - provide ample
ventilation. Never spray in a closed area There
must be a flow of fresh air at all times
WHAT TO WHAT COULD HAPPEN HOW TO PREVENT IT
LOOK FOR
Air Tank Modifications to the air compressor can cause
the air tank to rupture or explode,
Changing the air tank will cause it to weaken Never drill into,weld, or in any way modify the air
The tank may rupture or explode tank
Compressed Air
Electricity
Compressed air can propel dust, dirt, or loose Never point any nozzle or sprayer toward a person
particles itcomes in contact with, or any part of the body
Too much air pressure applied to air tools or
accessories can cause damage or risk of
bursting
Your air compressor is powered by electricity_
Like any other electrically powered device, if itis
not used properly it may cause electrical shock
Do not adjust, remove or tamper with the safety
valve or pressure switch Ifsafety valve or pressure
switch replacement is necessary, a part with the
same rating must be used,
Never use a motor with ahigher horsepower rating
than the one supplied,
Never replace the air tankwith a different model or
a larger tank
Always wear safety goggles or glasses when using
the air compressor
Atways turn the air compressor off before attach-
ing or removing accessories
Check the manufacturer's maximum pressure rat-
ing for' air tools and accessories. An air regulator
must be added for use with those items having a
maximum pressure rating less than 125 PSIo
Always unplug the air compressor prior to mainte-
nance or repair:
Never' use the air compressor outdoors when it is
raining
Toxic Vapors
Unsuitable
Solvents
Atways plug the cord into an electrical outlet with
the specified Vottage and adequat e fuse
protection
It isnormal for compressed air tocontain toxic or Never directly inhale the compressed air produced
irritating vapors. Such vapors are harmful if by this unit,
inhaled.
Certain materials you are spraying (like paint,
weed killer, sand or insecticide) may be harmful
if you inhale them,
The solvents 1,1,1- Trichloroethane and Methy-
lene Chloride can chemically react with alumi-
num used in paint spray guns, paint pumps, etc,
and cause an explosion These solvents can
also react with galvanized components and
cause corrosion and weakening of parts,, This
does not affect your air compressor - but itmay
affect the equipment being used,
Read labels and safety data for all materials you
spray, Follow a!l safety precautions
Use a mask or respirator if there is a chance of
inhaling toxic sprayed materials, Masks and
respirators have timits and will only provide protec-
tion against some kinds and limited amounts of
toxic mateiaL Read mask and respirator instruc-
tions carefully Consult with a safety expert or
industrial hygienist if you are not sure about the use
of a certain mask or respirator:
Ifthe material you intendtospray contains the sol-
vents listed at left (read the label or data sheet), do
not use accessories that contain aluminum or gal-
vanized parts You must either change the material
you intend to spray, or use only stainless steel
spray equipment
SPECIFICATION CHART
Model No.
Horsepower
Displacement CFM
Bore
Stroke
Voltage-Single Phase
Minimum Branch Circuit Requirement
**Fuse Type
Air Tank Capacity
Approximate Cut-in Pressure
Approximate Cut-out Pressure
SCFM @ 40 psig
SCFM @ 90 psig
**These models have dual voltage motors, 120 and 240 volt They are WIRED FOR 120 VOLT but can be convereted to 24
volt operation, instructionsfor connecting the motor for operation at 240 volt can be found printed on the inside of the
motor cover or on the nameplate of the motor.
*A circuit breaker is preferred..Use only a fuse or circuit breaker that is the same rating as the branch circuit the air
compressor is operated on, If the air compressor is connected to a circuit protected by fuses, use dual element time
delay fuses (Buss Fusetron Type "T" only)_
919:156730 919.156830
3 3
11_8 11.8
2%" 23/8
1.35" 1..35"
120/240 120/240
"15 amps 15 *amps
"Fusetron .... Fusetron"
Type T*** Type T***
15 gaL 15 gaL A..SM.E.
80 80
I00 100
8.5 8,5
70 70
These air compressors can be operated on a 15 amp
circuit if:
1.Voltage supply to circuit is normal.
2. Circuit is not used to supply any other electrical
needs (lights, appliances, etc.)
3. Extension cords comply with specifications in
owners manual.
When converting this model to 240 volt operation, the
attached three-prong 240 volt plug must be replaced
with a three-prong 240 volt plug (purchase locally) or
order line cord Part No, SUDL-404-1.
GLOSSARY
CFM: Cubic feet per minute
SCFM: Standard cubic feet per minute; a unit of mea-
sure of air delivery
PSlG: Pounds per square inch gauge; a unit of measure
of pressure
ASME: American Society of Mechanical Engineers;
made, tested, inspected and registered to meet the stan-
dards of the ASME
U,L, LISTED: Samples of compressor outfits, taken
from production, were submitted to UL and found to
comply with their requirements for design and
performance
4. Circuit isequipped with 15amp circuit breaker or 15
amp Fusetron Type "T" time delay fuse.
If any ofthe above conditions cannot be met, or if opera-
tion of the compressor repeatedly causes interruptionof
the poweritmay be necessary to operate it from a 20 amp
circuit.. It is not necessary to change the cordset if this
change is required.
Cut-In Pressure: White the motor is off, air tank pres-
sure drops as you continue to use your accessory When
the tank pressure drops to a certain low level the motor
will re-start automatically The low pressure at which the
motor automatically re-starts is called "cut-in pressure"
Cut-Out Pressures: When you turn on your air com-
pressor and it begins to run, air pressure in the air tank
begins to build It builds to a certain high pressure before
the motor automatically shuts off - protecting your air
tank from pressure higher than its capacity The high
pressure at which the motor shuts off is called "cuFout
pressure",
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