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Operation - Hitachi EC 129 Safety And Instruction Manual

Hitachi air compressor instruction manual and safety instructions ec 129
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(2) Pull the compressor as shown, do not push the
unit. (Fig. 6)
Pull, ok
Do not use the handle (B) to lift and
carry unit.
Do not push unit by handle (B).
Only use handle (B) to pull unit.
NOTE: Use the handle (A) to lift or carry the unit.
(3) After transporting the compressor, unlock the
handle (B) and slowly lower it (B).
Pull the knob (A), and turn it ninety degrees to
unlock the handle (B).


1. Start up
(1) Open the drain cock located at the lower part of
the tank (Refer to Fig. 8).
(2) Insert the plug into the receptacle.
(3) Start the compressor by pulling the knob of the
pressure switch to "ON" (Refer to Fig. 1 and Fig.
(4) Close the drain cock.
Do not stop or start the compressor
by use of the plug. Always use "ON/
OFF" knob located on the pressure
The operation of the compressor is automatic and is
controlled by the pressure switch which stops it when
the pressure in the air-tank reaches the maximum
level and restart it when the air pressure drops during
use to the restart level.
The motor of the compressor is fitted with a thermal
protection with manual reset (push-button), which
stops the compressor when the temperature is too
high. Should this be tripped, the compressor will
restart only if reset is done.
2. Adjustment of working pressure
Unlock the knob of the pressure reducer pulling it up,
adjust the pressure to the required level by turning the
knob clockwise to increase and counterclockwise to
Fig. 6
Push, no
A pressure gauge (B) is provided to know when the
required pressure is reached, lock the knob by
pushing it down firmly (Refer to Fig. 7).
When adjusting the pressure, check and make sure
that a pressure gauge for the tank has the pressure
level that is higher than that of the pressure to be
It is also imperative that you make adjustment by
slowly starting up the pressure from the level that is
lower than the pressure to be adjusted.
Knob of the
pressure reducer Joint (air outlet)
Pressure gauge (B) indicates
the working pressure
3. Shutdown
(1) Push the knob of the pressure switch to "OFF"
(Refer to Fig. 1 and Fig. 2).
(2) Unplug the plug from power source.
(3) Open the drain cock located at the lower part of
the tank (Fig. 8).
4. About the thermal protector
The thermal protector operates to stop the motor
when a problem such as a motor overload, etc.,
occurs. If the motor should stop during operation,
proceed as follows.
(1) Push the pressure switch knob to the "OFF"
position and disconnect the plug from the
receptacle (Fig. 2).
— 12 —
Check the manufacturer's maximum
pressure rating for nailers, staplers
and accessories. Compressor outlet
pressure must be regulated so as to
never exceed the maximum pressure
rating of the nailers, staplers and
Pressure gauge (A)
indicates the pressure
in the air tank
Fig. 7
Drain cock
Fig. 8