Craftsman 921.166390 Air Compressor User Manual


 
Installation & Assembly
The air compressor shouid be turned off, unplugged from
the power source, the air bled from the tank and the unit
allowed time to cool before any maintenance is performed.
Personal injuries could occur from moving parts, electrical
sources, compressed air or hot surfaces. The quick
connect assembly must be attached before use. Failure
to assemble correctly could result in leaks and possible
injury. If unsure of assembly instructions or you experience
difficulty in the assembly please call our toll free number
for assistance.
Installing Wheels
The wheels and handle do not provide adeguate clearance,
stability or support for pulling the unit up and down stairs
or steps. The unit must be lifted or pushed up a ramp.
It may be necessary to brace or support one end of the
air compressor when attaching the wheels, because it will
have a tendency to tip.
Items Needed For Assembly
1gram or adjustable wrench for shoulder bolt
17mm er adiustable wrench for nylon lock nut
Install one shoulder bolt, washer, and one nut for each
wheel using bolt hales provided in the wheel bracket. The
shoulder bolt will install from the outside of the wheel
through the top hole in the wheel bracket. Tighten securely
with the washer and nut positioned on the inside of the wheel
bracket.
Assembly
1. Remove air compressor, manual, air filter assembly,
and accessories from packaging.
2. Remove the plastic plug from the compressor intake
port. (seediagrambelow)
3. Install the filter in the compressor intake port.
(see diagram below)
4. Remove the oil fill cap from the crankcase and fill until
the oil reaches the top of the red dot in the sight glass.
Oil capacity is 3 oz. (seebelow)Use SAE-30 non-detergent
(API CG/CD heavy duty motor oil). Under extreme cold
weather conditions use SAE-t 0 weight oil.
5. Replace the oil cap.
\ [
Estimated AssembtyTime: Approximately5 minutes
4
Getting Started-Location of the Air Compressor
The air compressor should always be located in a clean,
dry, and well ventilated environment. The unit should have
at minimum, 12 inches of space on each side.The air intake
filter should be free of any debris or obstructions. Check
the air filter on a daily basis to be sure it is clean and in
working order.
Grounding Instructions
This product must be grounded. In the event of an electrical
short circuit, grounding reduces the dsk of electric shock
by providing an escape route for the electric current.
This product is equipped with a cord having a grounding
wire with an appropriate grounding plug. (See the figure
below.) The piug must be plugged into an outlet that is
property installed and grounded in accordance with all
local codes and ordinances. Check with a qualified
electrician or service personnel ifthese instructions are
not completely understood or if in doubt as to whether the
toot is properly grounded.
.. r_.-_FS:> " Grounded
, I
. /// ]*_l-_._I ,f.Outlet
Grounding Pin c ...,
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Improper installation of the grounding plug wil! result in a
risk of electric shock. If repair or replacement of the cord
or plug is necessary, do not connect the grounding wire to
either fiat blade terminals. Check with a qualified electrician
or serviceman if the grounding instructions are not
completely understood, or if in doubt as to whether the
product is properly grounded Do not modify the plug
provided; if it will not fit the outlet, have the proper outlet
installed by a qualified electrician.
This product is for use on a circuit having a nominal rating
of 120 volts and is factory-equipped with a specific electric
cord and plug to permit connection to a proper electric
circuit. Make sure that the product is connected to an
outlet having the same configuration as the plug. No
adapter should be used with this product If the product
must be reconnected for use on a different type of electric
circuit, qualified service personnel should make the
reconnection.
Extension Cords
Use only s 3-wire extension cord that has a 3-blade
grounding plug, end a 3-slot receptacle that will accept
the plug on the product. Make sure your extension cord
is in good condition. When using an extension cord, be
sure to use one heavy enough to carry the current your
product will draw. Cords must not exceed 25 feet and
No. 12 AWG size must be used. An undersized cord will
cause a drop in line voltage resulting in toss of power and
overheating.
Break In Procedures
No break in procedure is required by the user. This
product is factory tested to ensure proper operation and
pedormance.