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MAINTAINING THE TOOL
When working on air tools note the warnings in this manual and use extra care when
evaluating problem tools.
N66BC TOOL SPECIFICATIONS
All screws and nuts are metric.
TOOL
MODEL
ACTUATION
N66BC-1
Contact Trip
N66BC-2
Sequential Trip
FASTENER SPECIFICATIONS:
This tool will accept plastic and wire collated coil nails in lengths of 1-1/4" to 2-1/2" (32 - 63mm) with shank
diameters of .080" to .092" (2mm to 2.3mm).
TOOL AIR FITTING:
This tool uses a free-flow connector plug, 1/4" N.P.T. The minimum inside diameter should be .200" (5mm). The
fitting must be capable of discharging tool air pressure when disconnected from the air supply.
OPERATING PRESSURE:
70 to 120 p.s.i.g. (4.8 to 8.3 kg/cm
performance.
DO NOT EXCEED THE RECOMMENDED OPERATING PRESSURE.
AIR CONSUMPTION:
The N66BC requires 4.5 cubic feet per minute (.128 m
at 80 p.s.i. (5.62 kg/cm
instance, if your fastener usage averages 50 nails per minute, you need 50% of the tool's c.f.m. which is required to
operate the tool at 100 nails per minute.
OPERATION
BOSTITCH OFFERS TWO TYPES OF OPERATION FOR THIS SERIES TOOL.
CONTACT TRIP:
The common operating procedure on "Contact Trip" tools is for the operator to contact the work to actuate the
trip mechanism while keeping the trigger pulled, thus driving a fastener each time the work is contacted. This
will allow rapid fastener placement on many jobs, such as installing felt, housewrap, foam board insullation and
chicken wire mesh fencing. All pneumatic tools are subject to recoil when driving fasteners. The tool may
bounce, releasing the trip, and if unintentionally allowed to recontact the work surface with the trigger still
actuated (finger still holding trigger pulled) an unwanted second fastener will be driven.
SEQUENTIAL TRIP:
The Sequential Trip requires the operator to hold the tool against the work before pulling the trigger. This makes
accurate fastener placement easier, for instance on framing, toe nailing and crating applications.The Sequential
Trip allows exact fastener location without the possibility of driving a second fastener on recoil, as described
under "Contact Trip". The Sequential Trip Tool has a positive safety advantage because it will not accidentally
drive a fastener if the tool is contacted against the work – or anything else – while the operator is holding the
trigger pulled.
MODEL IDENTIFICATION:
Refer to Operation Instructions on page 9 before proceeding to use this tool.
CONTACT TRIP
Identified by:
BLACK TRIGGER
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LENGTH
10-3/8" (263.5mm)
10-3/8" (263.5mm)
). Select the operating pressure within this range for best f a s t e n e r
2
2
). Take the actual rate at which the tool will be run to determine the amount of air required. For
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HEIGHT
12-1/2" (317.5mm)
12-1/2" (317.5mm)
3
/min) of free air to operate at the rate of 100 nails per minute,
SEQUENTIAL TRIP
Identified by:
GRAY TRIGGER
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-4-
WIDTH
WEIGHT
7-1/2" (190.5mm)
5.8 lb (2.6 kg)
7-1/2" (190.5mm)
5.8 lb (2.6 kg)
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