Gast 0740 Series Oilless Vacuum Pumps and Comressors - Manual (Page 2)

Motor Control
It is your responsibility to contact a qualified
electrician to assure that the electrical installation is ade-
quate and in conformance with all national and local codes
and ordinances.
Determine the correct overload setting required to protect
the motor (see motor starter manufacturer’s recommenda-
tions). Select fuses, motor protective switches or thermal
protective switches to provide protection. Fuses act as
short circuit protection for the motor, not as protection
against overload. Incoming line fuses help to withstand
the motor’s starting current. Motor starters with thermal
magnetic overload or circuit
breakers protect motor from overload or reduced
voltage conditions.
The wiring diagram supplied with the product provides
required electrical information. Check that power source is
correct to properly operate the dual-voltage motors.
Correct installation is your responsibility. Make sure you
have the proper installation conditions and that installa-
tion clearances do not block air flow. Proper guards
should be installed to prevent contact with moveable
parts of this pump. Do Not lift the unit by the fan shroud.
Blocking air flow over the product in any way can cause
the product to overheat.
Mounting
This product can be installed in any orientation.
Mounting the product to a stable, rigid operating surface
and using shock mounts will reduce noise and vibration.
INSTALLATION
Accessories
The product’s internal intake and exhaust filters will pro-
vide adequate filtration in most applications. Check filters
periodically and replace when necessary. All units should
have an intake and exhaust filter to prevent contaminants
from entering the pump or the pneumatic system. Please
consult your Gast Distributor/Representative for additional
filter recommendations.
Plumbing
Remove plugs from the IN and OUT ports. Connect with
pipe and fittings that are the same size or larger than the
product’s threaded ports.
Install relief valves and gauges at inlet or outlet, or both, to
monitor performance. Check valves may be required to
prevent back streaming through the pump.
WARNING
DANGER
Your safety and the safety of others
is extremely important.
We have provided many important safety messages
in this manual and on your product. Always read
and obey all safety messages.
This is the safety alert symbol. This symbol
alerts you to hazards that can kill or hurt you and
others. The safety alert symbol and the words
“DANGER” and “WARNING” will precede all safety
messages. These words mean:
You will be killed or seriously injured if you don’t
follow instructions.
You can be killed or seriously injured if you don’t
follow instructions.
All safety messages will identify the hazard, tell you
how to reduce the chance of injury, and tell you
what can happen if the safety instructions are not
followed.
2
Model with a power supply cord:
This product must be grounded. For either 120-volt or
220/240-volt circuits connect power supply cord ground-
ing plug to a matching grounded outlet. Do not use an
adapter. (See DIAGRAM A)
In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an escape
wire for the electric current. This product may be
equipped with a power supply cord having a grounding
wire with an appropriate grounding plug.
The plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local codes
and ordinances.
Electrical Connection