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Hitachi NR90AA Manual

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9
COMPRESSOR
CAUTION:
When the maximum, operating pressure of the air
compressor exceeds 8.3 bar (120 psi.), be sure to
provide a reducing valve between the air compressor
and nailer. Then, adjust the air pressure within the
operating range of 4.9 – 8.3 bar (70 – 120 psi.). If the
air set is installed, lubrication is also possible, thus
providing additional convenience.
OILER-FILTER-REDUCING VALVE (Air Set)
So that the equipment can be operated under an optimum
condition to ensure extended service life, it is
recommended to use an oiler filter reducing valve. Please
limit the length of the hose between the unit and the air
set to within 10m when using. (See Fig. 8)
APPLICABLE LUBRICANTS
Noise Information
Noise characteristic values in accordance with EN 792-
13, JUNE, 2000:
The typical A-weighted single-event sound power level
L
WA,1s,d = 105 dB
The typical A-weighted single-event emission sound
pressure level at work station L
pA,1s,d = 95 dB.
These values are tool-related characteristic values and
do not represent the noise development at the point of
use. Noise development at the point of use will for
example depend on the working environment, the
workpiece, the workpiece support and the number of
driving operations, etc.
Depending on the conditions at the workplace and the
form of the workpiece, individual noise attenuation
measures may need to be carried out, such as placing
workpieces on sound-damping supports, preventing
workpiece vibration by means of clamping or covering,
adjusting to the minimum air pressure required for the
operation involved,etc.
In special cases it is necessary to wear hearing protection
equipment.
Vibration Information
The typical vibration characteristic value in accordance
with EN 792-13, JUNE, 2000 : 3.21 m/s
2
.
This values is a tool-related characteristic value and does
not represent the influence to the hand-arm-system
when using the tool. An influence to the hand-arm-system
when using the tool will for example depend on the
gripping force, the contact pressure force, the working
direction, the adjustment of energy supply, the
workpiece, the wrokpiece support.
Type of lubricant Name of lubricant
Recommended oil SHELL TONNA
Motor oil SAE10W, SAE20W
Turbine oil ISO VG32 – 68
(#90 – #180)
… 10 …


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