Makita MAC2200 Troubleshooting Guide download pdf (Page 6)

DESCRIPTION

OPERATION

(cont’d)

Pressure Release Valve:

The pressure release valve located

on the side of the pressure switch, is designed to automatically

release compressed air from the compressor head and the

outlet tube when the air compressor reaches “cut-out” pres-

sure or is shut

off.

If the air is not released, the motor will try

to start, but will be unable to. The pressure release valve allows

the motor to restart freely. When the motor stops running, air

will be heard escaping from this valve for a few seconds. No

air should be heard leaking when the motor is running, or

continuous leaking after unit reaches cut-out pressure.

Outlet Pressure Gauge:

The outlet pressure gauge indicates

the air pressure available at the outlet side of the regulator.

This pressure is controlled by the regulator and is always less

or equal to the tank pressure. See “Operating Procedures”.

Tank Pressure Gauge:

The tank pressure gauge indicates

the reserve air pressure in the tank.

Regulator:

The air pressure coming from the air tank is

controlled by the regulator knob. Turn the knob clockwise to

increase pressure and counterclockwise to decrease pres-

sure. To avoid minor readjustment after making a change in

pressure

Switch:

The

Pressure

switch

starts

the

motor

when

the

air

tank

Pressure drops

the

factory

set

pressure setting, always approach the desired pressure from

lower

pressure. When reducing from a higher

a lower

“cut-in” pressure.

pressure reaches the factory set “cut-out” pressure.

stops

the

motor

when

the

air

tank

setting, first reduce to some pressure less than that desired,

then brincr up to the desired pressure. Depending on the air

Safety Valve:

If the pressure switch does not shut off the air

compressor at its cut-out pressure setting, the safety valve will

protect against high pressure by “popping out” at its factory

set pressure (slightly higher than the pressure switch cut-out

setting).

requirements of each particu‘lar accessory, the outlet regu-

lated air pressure may have to be adjusted while you are

operating the accessory.

INSTALLATION

AND

BREAK-IN

Location

the Air Compressor

Piping (cont’d)

Locate the air compressor in a clean, dry and well ventilated

area. The air filter must be kept clear of obstructions which

could reduce air delivery of the air compressor. The air

compressor should be located at least 12” away from the wall

or other obstructions that will interfere with the flow of air. The

air compressor head and shroud are designed to allow for

proper cooling. If humidity is high, an air filter can be installed

on the air outlet adapter to remove excessive moisture.

the instructions packaged with the air filter for proper installa-

tion.

Lubrication and

Oil

This unit needs no lubrication or oiling.

Extension

Cords

PROCEDURES

a pipe line is necessary, use pipe that is the same size as the

air tank outlet. Piping that is too small will restrict the flow of

air. If piping is over

100

feet long, use the next larger size. Bury

underground lines below the frost line and avoid pockets

where condensation can gather and freeze. Apply pressure

before underground lines are covered to make sure all pipe

joints are free of leaks.

GROUNDING INSTRUCTION

RISK

ELECTRICAL SHOCK! In the event of

a short circuit, grounding reduces the risk of

shock by providing an escape wire for the

electric current. This air compressor must be

properly grounded.

To avoid voltage drop, power

loss,

and overheating of the

motor, use extra air hose instead of an extension cord.

Low voltage can cause damage to the motor.

If an extension cord

must

be used:

use only a 3-wire extension cord that has a 3-blade ground-

ing plug and a 3-slot receptacle that will accept the plug on

the air compressor.

make sure the extension cord is in good condition.

the extension cord should be no longer than

feet.

the minimum wire size is 12 gauge (AWG). (Wire size

increases as gauge number decreases. 10 AWG and

AWG

may also be used.

NOT

USE

14 AWG or

AWG.)

The air compressor is equipped with a cord having a grounding

wire with an appropriate grounding plug. The plug must be

used with an outlet that has been installed and grounded in

accordance with all local codes and ordinances. The outlet

must have the same configuration as the plug. See illustration.

NOT USE AN ADAPTER.

Inspect the plug and cord before each use.

not use

there are signs

damage.

Piping

IMPROPER GROUNDING CAN RESULT IN

ELECTRICAL SHOCK.

Plastic or

PVC

pipe

not designed for use with

compressed air. Regardless

its

indicated

pressure rating, plastic pipe can burst from air

pressure. Use only metal pipe for air distribu-

not modify the plug that has been provided. If it does

not

fit

the available outlet, the correct outlet should be

installed by a qualified electrician.

tion lines.

continued

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Makita MAC2200 Troubleshooting Guide Page 6

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