Gast 3040 Series Lubricated Vacuum Pumps and Comressors User Manual download pdf (Page 2)

INSTALLATION

Disconnect electrical power at the circuit breaker

or fuse box before installing this product.

Install this product where it will not come into

contact with water or other liquids.

Install this product where it will be weather

protected.

Electrically ground this product.

Failure to follow these instructions can result in

death, fire or electrical shock.

WARNING

Electrical Shock Hazard

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.

Correct installation is your responsibility. Make sure you

have the proper installation conditions and that

installation 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. Unit is to be lifted by means of eyebolts.

Blocking air flow over the product in any way can cause

the product to overheat.

Mounting

Mounting the product to a stable, rigid operating surface

and using shock mounts will reduce noise and vibration.

Plumbing

To prevent air flow restriction, use pipe and fittings that are

the same size or larger than the threaded ports of the pump.

The ports are marked "IN" and "OUT". If the distance is

great, use lines with a larger diameter than the connections.

Give lines a uniform slope, place drain cock at low point,

and avoid extra elbows. For ease of servicing, use a union

or hose with clamps near the pump (a hose helps eliminate

noise and vibration). If a vacuum/pressure supply tank is

used, slope the line towards tank, provide a drain at the

bottom, and place a check valve between the tank and

pump so the pump will not run backwards when turned off.

Accessories

Intake and exhaust filters are external to the pump and will

provide adequate filtration for most applications. Check

filters periodically and replace when necessary. Consult a

Gast Representative for additional filter recommendations.

Install relief valves and gauges at the inlet or outlet, or both,

to monitor performance. Check valves may be required to

prevent backstreaming through the pump.

Motor Control

It is your responsibility to contact a qualified

electrician to assure that the electrical installation is

adequate 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

recommendations). 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.

Grounded Plug

Grounding Pin

Grounded Outlet

120-volt grounded connectors

shown. 220/240-volt grounded

connectors will differ in shape.

DIAGRAM A

Electrical Connection

1 2 3 4 5 6 7 8

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Gast 3040 Series Lubricated Vacuum Pumps and Comressors User Manual Page 2

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