Connecting Air Supply; Cold Weather Operation - Bosch FNS138-23 Operating/Safety Instructions Manual

General pneumatic tool
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BM 2610021333 01-13_BM 2610021333 01-13.qxp 1/11/13 8:59 AM Page 8

Connecting Air Supply

Never use oxygen or other bottled gases
WARNING
as a power source. Explosion may occur.
Combustible gases and other bottled gases are dangerous
and may cause the tool to explode.
Never connect the tool to an air source
WARNING
that is capable of producing air pressure
exceeding 200 PSI. Excessive pressure can cause
abnormal operation or cause the tool to burst, resulting in
personal injury.
Use only clean, dry, regulated compressed air within the
pressure range as marked on the tool. The correct pressure
is the lowest pressure that will do the job.
Before connecting the tool to the air supply, check the air
compressor regulator gauge to be sure it is functioning
properly, and that the air pressure is within the operational
range of the tool, 60-100 psi.
Do not exceed maximum recommended
WARNING
air pressure marked on the tool. Verify
prior to using the tool that the air source has been adjusted
within the rated air-pressure range. Be sure the air pressure
gauge is operating properly and check it at least twice a day.
Tools operated in excess of their maximum pressure rating
may operate abnormally or burst resulting in personal injury
To connect the tool to the compressor only use pneumatic air
hoses that meet the following criteria:
• Minimum hose pressure rating, 200 psi
• Minimum hose inner diameter, 1/4 in.
• Maximum hose length, 100 ft.
To connect the air supply:
1. Snap the air hose onto the quick connector, see figure 5.
2. Check for air leakage. If leakage is noted, cease using the
tool immediately and contact your BOSCH service center.
3. Be sure the air pressure gauge is operating properly and
check it at least twice a day.

Cold Weather Operation

When using the tool in cold conditions the tool will cycle
slower than usual while driving the first nails. The cycle rate
will increase as the tool warms up. Keep tool warm to avoid
reduced cycle rate.
Do not use a frozen tool. Allow tool to thaw
WARNING
before using. Moisture frozen in the tool may
impede internal components resulting in the risk of injury
and/or tool damage.
Operation
FIG. 5
8

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