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Hitachi NR90GC Manual

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12
2 If nails are driven too deep, move the push lever
to forward (See Fig. 16).
If nails are driven too shallow, move the push lever
to backward (See Fig. 17).
3 Stop moving the push lever when a suitable
position is reached for a nailing test.
4 Connect the fuel cell and the battery to the tool.
ALWAYS WEAR EYE PROTECTOR.
Perform a nailing test.
5 Remove the fuel cell and the battery from the tool.
6 Choose a suitable position for the push lever.
3. Clearing a jam
If nails are jammed in firing head, remove it, and adjust
the nailing in the following order.
1 Remove the fuel cell and the battery from the
Nailer. (See Fig.15)
2 Lock follower back in magazine and remove
fasteners.
3 Remove the bolts with wrench. (See Fig.18)
4 Pull magazine away from the firing head, and clear
jam. (See Fig.19)
5 Connect the fuel cell and the battery to the Nailer.
ALWAYS WEAR SAFETY GLASSES.
INSPECTION AND MAINTENANCE
CAUTION
Be sure to remove the battery and fuel cell during
clearing jams, inspection, maintenance and cleaning.
1. Inspecting the magazine
1 DISCONNECT BATTERY and FUEL CELL.
2 Clean the magazine. Remove paper chips or wooden
chips which may have accumulated in the magazine.
Lubricate it with Hitachi gas strip nailer lubricant.
2. Check on mounting screws for each part
At regular intervals check every part for loose mounting
screws. Retighten any loose screws. Operating the
equipment with loose screws untightened will incur
a hazard.
3. Inspecting the push lever
Check if the push lever can slide smoothly.
Clean up the sliding area of the push lever and use the
provided oil for lubrication from time to time.
Lubrication enables smooth sliding and simultaneously
serves to prevent the formation of rust.
4. Storing (See page 8)
⅜ When not in use for an extended period, apply a thin
coat of the lubricant to the steel parts to avoid rust.
⅜ Do not store the Nailer in a cold weather environment.
Keep the tool in a warm area.
⅜ When not in use, the tool should be stored in a warm
and dry place.
Keep out of reach of children.
5. Service parts list
CAUTION
Repair, modification and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
This Parts List will be helpful if presented with the
tool to the Hitachi Authorized Service Center when
requesting repair or other maintenance.
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
MODIFICATIONS
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts (i.e. code numbers and/or
design) may be changed without prior notice.
APPLICABLE LUBRICANTS
Use HITACHI Gas Nailer lubricant.
Do not use detergent oil or additives.
These lubricants will harm the O-rings and other rubber
parts. This will cause the tool malfunction.
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 = 108 dB
The typical A-weighted single-event emission sound
pressure level at work station
L
pA
,1s,d = 99 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,
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: 3.5 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.
… 13 …


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