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BFA-Series & NFA-Series Operation Instructions

Corporate Headquarters: 

1080 North 11th Street, San Jose, CA 95112    Phone: (408) 292-2214   Fax: (408) 292-2733

www.mountztorque.com

Testing Power Tools: 

1.  Application Method: Use a torque analyzer in “Peak Mode” with a rotary transducer between the power tool and the actual 

application. This is the best way to test since you are using the actual joint as the test station. You will see the actual 

torque applied to the fastener.  

Caution:

Variances in tool performance may occur do to the addition of the rotary transducer.

2. Simulated Method: Always use a quality joint rate simulator (run down adapter) with a torque analyzer when testing power    

tools in a simulated application. Use Joint rate and Breakaway methods to obtain most accurate torque readings in a 
simulated rundown. 

Care

1. The BFA-Series and NFA-Series screwdrivers are a precision torque control instrument and should be handled with care at all 

times.

2. Only use the transformers listed in the Mountz catalog or website for appropriate BFA-Series and NFA-Series driver model (If you 

have any questions regarding the appropriate transformer set-up, contact Mountz Customer Service Department).

3. Operate under safe conditions.  Do not place in operation where such objects as hair, strings, clothing, etc. can become 

tangled in the rotating bit.  

4. Keep away from moisture. Never use in high humid, moist or damp environment.

Service

Mountz Inc. features an experienced calibration and repair staff. Our trained technicians can calibrate and repair most any tool.
Mountz provides rapid service with quality that you can trust as we offer three state-of-the-art calibration lab and repair facilities that
can calibrate up to 20,000 lbf.ft. 

Since 1965, Mountz’s in-depth knowledge of torque is reflected in our
tool’s craftsmanship and our ability to provide solutions to both common
and uncommon torque applications. We perform calibrations in accor-
dance with ANSI/NCSL-Z540. Mountz is dedicated solely to the manu-
facturing, marketing and servicing of high quality torque tools.

Tool Service & Repair Capability

Torque Wrenches: Click, Dial, Beam, Cam-Over & Break-Over

Torque Screwdrivers: Dial, Micrometer, Preset & Adjustable

Torque Analyzers/Sensors: All brands

Electric Screwdrivers: All brands

Air Tools: All brands

Impact Wrenches, Drills, Pulse Tools, Grinders, Percussive Tools, 

Air Screwdrivers, Nutrunners, DC Controlled Nutrunners

Torque Multipliers: All brands

Page 15

Mountz Service Locations

Eastern Service Center

19051 Underwood Rd.

Foley, AL 36535

Phone: (251) 943-4125

Fax: (251) 943-4979

Western Service Center

1080 N.11th Street

San Jose, CA 95112

Phone: (408) 292-2214

Fax: (408) 292-2733

www.mountztorque.com

[email protected]

Twitter: @mountztorque 

Download a “Service Form” and include a copy

when you send the tools in to be serviced. 

Looking for fasteners?

www.mrmetric.com

Summary of Contents for BFA Series

Page 1: ...BFA Series NFA Series Operation Instructions Corporate Headquarters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 1 Rev 2 2 4 13 17...

Page 2: ...CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 2 General Operation for BFA Series and NFA Series models 1 Attach power tool cable to the BFA or NFA screwdriver and the transfo...

Page 3: ...30VAC Selected 110VAC Selected Connecting Electric Screwdriver Before connecting the electric screwdriver make sure the little switch in the lower bottom right of the STC40 FA is positioned in the pro...

Page 4: ...ss and hold the Speed button for 2 seconds 2 Two LEDs will display colors that show the current speed selection of the brushless screwdriver 3 Position the F R slide switch in R or F to increase or de...

Page 5: ...0 6 seconds The default setting is OFF 1 Press and hold the Soft Start button for 2 seconds 2 Two LEDs will display colors that show the current soft start selection of the brushless screwdriver 3 Pr...

Page 6: ...dquarters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 6 Connections Standard 6P Cable Item 14 PELZ932A STC 40 FA BFA or NFA Series RJ 45 Modu...

Page 7: ...Series NFA Series Operation Instructions Corporate Headquarters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 7 I O Details Positive Common Wir...

Page 8: ...Series NFA Series Operation Instructions Corporate Headquarters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 8 I O Details Negative Common Wir...

Page 9: ...ters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 9 Timing Chart Torque up and Motor Run output signals are effective with Forward fastening r...

Page 10: ...o the charts to determine the reference number setting for your torque requirement How to Read the Torque Charts Torque ranges lbf in approximate tightening torque operated with no load at maximum spe...

Page 11: ...ermine the approximate torque setting Refer to the charts to determine the reference number setting for your torque requirement How to Read the Torque Charts Torque ranges lbf in approximate tightenin...

Page 12: ...rters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 12 Dimensions for BFA 060 BFA 080 and BFA 120 models Vacuum Adapter Accessory sold separate...

Page 13: ...rters 1080 North 11th Street San Jose CA 95112 Phone 408 292 2214 Fax 408 292 2733 www mountztorque com Page 13 Dimensions for NFA 120 NFA 220 and NFA 450 models Vacuum Adapter Accessory sold separate...

Page 14: ...t right on the assembly area The scout is designed to detect cross threading omissions unfinished rundowns and cycle complete The screw counter takes the control of the assembly process out of the ope...

Page 15: ...ating bit 4 Keep away from moisture Never use in high humid moist or damp environment Service Mountz Inc features an experienced calibration and repair staff Our trained technicians can calibrate and...

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