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Transport; Operation - Hitachi EC 2510 E Instruction Manual And Safety Instructions

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the minimum notch on the oil sight glass. If the oil level is
low, replenish oil through the filling hole so that the amount
of oil will come to a point between the maximum notch and
the minimum notch of the oil sight glass according to the
OIL TYPE CHART on page 7.
CAUTION: Overfilling with oil will cause premature
compressor failure. Do not overfill.
B) Remove any moisture in this compressor air tank. Gradually
open the drain cock and discharge the drain. Close tightly
when drained.
C) Make sure the engine switch is in the "OFF" position.
D) Make sure the safety relief valve is working correctly (Refer
to fig.1). The safety relief valve is designed to prevent
system failures by relieving pressure from the system when
this compressed air reaches a predetermined level. The
safety relief valve is preset by the manufacturer and must
not be modified in any way. To verify the safety relief valve
is working properly, pull on the ring. Air pressure should
escape. When the ring is released, it will reset.
E) Make sure all guards and covers are in place and securely


Turn off the engine switch before move the compressor. Transport
the compressor in the correct manner.
WARNING: Unit weighs more than 140 lbs(63.5kg). Do
not move or lift without assistance.
WARNING: Ensure proper footing and use caution when
rolling compressor so that unit does not tip
or cause loss of balance.
NOTE: Use the handle to lift or carry the unit.


A) Read safety warnings before performing operation.
B) When the toggle is in the upright position, all air from this
compressor is vented through the discharge muffler (fig.4).
This gives an easy start feature. For normal operation, the
toggle is in the 90° position.
C) Start engine (Refer to the Engine Manual accompanying
this unit).
D) When the engine has run for 1-2 minutes, flip toggle back
to the original position.
The operation of this compressor is automatic and is
controlled by the pilot valve which idles it when the pressure
in the air-tank reaches the maximum level and restarts it
when the air pressure drops during use to the restart level.
The pilot valve is preset by the manufacturer and must not
be modified in any way.
WARNING: If you notice any unusual noise or vibration,
CAUTION: Wear appropriate personal hearing
Adjustment of working pressure
The air pressure coming from the air tank is controlled by the
regulator knob (fig.5). Turn the pressure regulation knob
clockwise to increase discharge pressure, and
counterclockwise to decrease discharge pressure.
knob of
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 air tank
pressure. The air tank pressure gauge indicates the reserve
air pressure in the air tank(s). 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
adjusted. 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.
WARNING: Check the manufacturer's maximum pressure
A) To stop this compressor, move the engine switch to the
B) Gradually open the drain cock, take out the drainage and
WARNING: Risk of bursting. When the tank gets corroded,
C) Allow the compressor to cool down.
D) Wipe this compressor clean and store in a safe, nonfreezing
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stop this compressor.
protection during use. Under some
conditions and duration of use, noise from
this product may contribute to hearing loss.
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
"Off" position (Refer to the Engine Manual accompanying
this unit).
all the compressed air inside the tank to prevent any
internal corrosion of the tank (fig.6).
there is a risk of breakdown. Water will
condense in the air tank. If not drained, water
will corrode and weaken the air tank causing
a risk of air tank rupture. Drain tank daily or
after 4 hours of use. The drain contains
moisture in the air, abrasion particles, rust,
etc. To drain tank open valve slowly and tilt
compressor to empty accumulated water.
Keep face and eyes away from drain cock.

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