Speedaire Cast Iron Serie Manual De Instrucciones página 5

Speedaire Operating Instructions
Cast Iron Series
Installation (Continued)
Line Ground
L3 (for 3 phase wiring only)
L2
L1
Single Phase/
Three Phase
Motor
Wiring Diagram
Figure 3 - For Motor Frame Sizes R56HZ,
Y56Y or L143T. Refer to Motor Nameplate
side of the pump. The motor nameplate
will show wiring information for coun-
terclockwise rotation.
The proper direction is very important.
The direction of rotation of 3 phase
motors can be reversed by interchang-
ing any two motor-line leads. For single
phase motors, refer to the motor
nameplate
IMPORTANT: Check motor rotation
before operating the compressor.
Operation
All lubricated compressor pumps dis-
charge some condensed water and oil
with the compressed air. Install appro-
priate water/oil removal equipment
and controls as necessary for the
intended application.
Failure to install
appropriate
water/oil removal equipment may result
in damage to machinery or workpiece.
GUARDING
The belt guard provided
must be installed before
operating the unit.
All moving parts must be guarded. All
electrical covers must be installed
before turning on the power.
Circuit Breaker or
Fused Disconnect
L1
X2
Pressure Switch
Coil
Thermal
Units (3)
T1
Motor
Single Phase
Wiring Diagram
Figure 4 - For Motor Frame Sizes 184T, 215T, 254T or 284T. Refer to
Motor Nameplate
LUBRICATION
THIS UNIT CON-
TAINS NO OIL.
Before operating compressor, fill
crankcase with compressor oil accord-
ing to the oil capacity chart listed in
"Replacement Parts Manual."
Some residual oil may still be in the
pump leaving a thin coat on the sight
glass, however; there is not enough oil
to operate the unit. Add oil only
through the oil fill plug. Pouring oil
into any other orifice will cause oil to
leak and spray out during operation.
Fill to the center of the sight gauge
(see Figure 5). Synthetic oil has proven
to provide superior lubrication and is
Breather
Cap
Oil
Fill Plug
Sight Gauge
Oil Drain Plug
Figure 5 - Oil Fill Diagrams
5
Circuit Breaker or
Fused Disconnect
L2
Over
X2
Load
Pressure
Switch
T1
T2
Three Phase
Wiring Diagram
recommended for Speedaire air com-
pressors. Use 10W30 100% synthetic oil
such as Mobil 1 (Stock No. 4F743).
Single viscosity, ISO100 (SAE 30) non-
detergent compressor oil such as Mobil
Rarus ® (Stock No. 4ZF21), can also be
used. Both are available at your local
Grainger branch.
NOTE: Use of petroleum based auto-
motive engine oil will cause carbon
deposits to build up on the valves. This
will shorten the life expectancy and will
require more frequent service to the
valves. Do not use ATF hydraulic fluid,
two-cycle oil or any oil treatment prod-
uct. Do not use diester synthetic oil.
Breather
Cap
Oil Fill
Full
Sight
Gauge
Low
Full
Low
L1
L2
L3
Coil
E
N
Over
Thermal
Load
G
Units (3)
L
T2 T3
I
S
Motor
H
Oil
Fill Plug
Oil
Drain
Plug