Piping; Lubrication And Oil; Wiring _Nstructions; Wiring Diagram - Craftsman 919.175261 Owner's Manual

INSTALLATION AND BREAK-IN PROCEDURES {Cont.)
EXCESSIVE VIBRATION MAY WEAKEN THE
AIR TANK AND CAUSE AN EXPLOSION.
THE OUTFIT MUST BE MOUNTED AS DE-
SCRIBED AND ILLUSTF_TED BELOW.
I. The air compressor must be bolted to the floor.
Bolting holes are provided in the base feet.
2. Mount the air compressor on a solid level foun-
dation with no strain to the air tank feet° Solid
shims may be used if necessary.
Piping
Plastic or PVC pipe is not designed for use
with compressed air. Regardless of its indi-
cated pressure rating, plastic pipe can burst
from air pressure. Use only metal pips for air
distribution lines.
If a pipe line is necessary, use pipe that is the same
size as the air tank valve. Piping that is too small will
restrict the flow of air. if piping is over 100 feet tong,
use the next larger size. Bury underground lines
below the frost line and avoid pockets where conden-
sation can gather and freeze. Apply pressure before
underground lines are covered to make sure aU pipe
joints are free of leaks.
Lubrication and Oil
Compressors are shipped without oil Do not
attempt to operate this air compressor with-
out first adding oil to the crankcase.
Place unit on a level surface. Remove oil fin plug and
slowly add a special compressor oit such as Sears 9 o
18428 or SAE-20-20W SF motor oil until it is even
with the top of the oil fin hole. (It must not be allowed
to be lower than 3/8" - 6 threads down - from the
top.) When filling the crankcase, the oil flows very
slowly. If the oH is added too quickly, it will overflow
and appear to be full. (Crankcase oil capaciW is 16
fluid ounces.) Under winter-type conditions use SAE
10W oil IMulti-viscoeity oi! = 10W30 - will leave
carbon deposits on critical components reducing
performance and compressor life.) Replace oil fill
plug.
Wiring instructions
iMPROPER GROUNDING CAN RESULT iN
ELECTRICAL SHOCK. WIRING OF THE PRES-
SURE SWITCH, ELECTRIC MOTOR AND
MANUAL ONIOFF SWITCH SHOULD BE
DONE BY A LICENSED ELECTRICIAN IN
ACCORDANCE WiTH NATIONAL AND LO-
CAL CODES AND ORDINANCES.
To prevent added current draw and motor overheat-
ing we recommend the use of 12 gauge (AWG) wire,
not exceeding a 70 foot length. The wire must be
rated at a minimum temperature of 75 ° C.
When connecting wires, make sure that: (1) the
electrical box is large enough; (2) service is of
adequate amperage rating; (3} the supply line has the
same electrical characteristics (voltage, eycies and
phase} as the motor; {4) the line wire is the proper size
and (5) no other equipment is operated from the same
line. Various national and local codes and standards
have been set up covering electrica! apparatus and
wiring. These shoumd be consulted and observed. Our
recommended wire sizes may be smaller than the
minimum set up by local ordinances. If so, the larger
size wire shoutd be used to prevent excessive line
voltage drop. For wiring instructions, see the diagram
inside the pressure switch cover,
WALL MOUNTED
, /
JUNCTIONBOX
OP,DISCONNECT
.. _ CONDUIT E LEOW
E_ectricaJwiring m_st bs _ocsted away from
hot s_faces such as the compressor head,
compressor cylinder or compressor outlet
tube°