INTRODUCTION
BOSTITCH tools are precision-built tools, designed for precise, high volume nailing. These tools will deliver efficient,
dependable service when used correctly and with care. As with any fine power tool, for best performance the
manufacturer’s instructions must be followed. Please study this manual before operating the tool and understand the
safety warnings and cautions. The instructions on installation, operation and maintenance should be read carefully,
and the manual kept for reference. NOTE: Additional safety measures may be required because of your particular
application of the tool. Contact your BOSTITCH representative or distributor with any questions concerning the tool
and its use. BOSTITCH, East Greenwich, Rhode Island 02818.
INDEX
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Tool Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Air Supply: Fittings, Hoses, Filters, Air Consumption, Regulators,
Operating Pressure, Setting Correct Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 5
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Loading the Tool, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Fastener Depth Control Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Removing Nails, Directional Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Tool Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8, 9
Maintaining the Pneumatic Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
NOTE:
BOSTITCH tools have been engineered to provide excellent customer satisfaction and are designed to achieve
maximum performance when used with precision BOSTITCH fasteners engineered to the same exacting
standards.
The N400S, with the standard framing contact arm is designed for use with 28° wire collated
stick nails. BOSTITCH cannot assume responsibility for product performance if our tools are used with
fasteners or accessories not meeting the specific requirements established for genuine BOSTITCH
nails, staples and accessories.
LIMITED WARRANTY — U.S. and Canada Only
Effective December 1, 2005 Bostitch, L.P. warrants to the original retail purchaser that the product purchased is free
from defects in material and workmanship, and agrees to repair or replace, at Bostitch’s option, any defective Bostitch
branded pneumatic stapler or nailer for a period of seven (7) years from date of purchase (one (1) year from the date
of purchase for compressors and tools used in production applications).Warranty is not transferable. Proof of purchase
date required. This warranty covers only damage resulting from defects in material or workmanship; it does not cover
conditions or malfunctions resulting from normal wear, neglect, abuse, accident or repairs attempted or made by other
than our national repair center or authorized warranty service centers. Driver blades, bumpers, o-rings, pistons and
piston rings are considered normally wearing parts. For optimal performance of your Bostitch tool always use genuine
Bostitch fasteners and replacement parts.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. BOSTITCH SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states and countries do not allow limitations on how long an implied warranty lasts, or the exclusion or
limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state
and country to country.
To obtain warranty service in the U.S. return the product, together with proof of purchase, to the U.S.
Bostitch National or Regional Independent Authorized Warranty Service Center. In the U.S. you may call
us at 1-800-556-6696 or visit www.BOSTITCH.com for the location most convenient for you. In Canada
please call us at 1-800-567-7705 or visit www.BOSTITCH.com.
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