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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Loading the Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Unloading Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 MCN150, MCN250 & MCN250S is designed for use with BOSTITCH 35° metal connector 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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