Mountz NF Series Bedienungsanleitung
NF-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 2.3 (4/26/17)
for V3 Models Only
NF-Series Operation Instructions
Introduction
- Various models that range from 2.6-39 lbf.in
- High performance brushless motor design provides durability and reduces the standard maintenance costs for electric
screwdrivers.
- Designed for high production environments. Minimal heat build-up even when tool is operated continuously.
- Over Heat Protection (OHP) and Over Current Protection (OCP) protect driver from damage or malfunction. Features a LED
display that signals the tool status for the operator to view.
- Can be connected with the Scout Screw Counter.
- External torque adjustment scale.
- Requires transformer (power supply).
- All models are ESD designed and prevent the occurrence of electrostatic discharge, which improves production yields,
manufacturing costs, product quality, product reliability, reputation and profitability.
Four style of brushless screwdriver models:
-Standard models:Adjustable RPM setting on the tool. A selectable Soft Start mode from 0.2-0.6 seconds. (Lever Start &
Push-to-Start)
- Soft Stop models:Precision "Soft-Stop" clutch prevents shock to sensitive assemblies like disk drives, plastics, electronics, etc.
Adjustable RPM setting on the tool. A selectable Soft Start mode from 0.2-0.6 seconds. (Lever Start)
- Angle Control & Auto Reverse models:Set the start, stop and operating direction of the tool. Adjustable RPM setting on the \
tool.(Lever Start)
- Plus models: Features a selectable Double Hit Mode for soft joint applications and a selectable Soft Start mode (from 0.2-0.6
seconds). This option is available for Standard & Soft Stop screwdrivers (Lever Start & Push-to-Start)
Corporate Headquarters: 1080 North 11th Street, San Jose, CA 95112 Phone: (408) 292-2214 Fax: (408) 292-2733
www.mountztorque.com
Page 2
NF-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 3
Panel of each Model
Standard & Soft Stop models
(Speed Control & Soft Start) Plus models
(Soft Start & Double Hit) Angle Control & Auto
Reverse models
Alarm display by LED
General Operation for NF-Series models
1. Attach power tool cable to the NF-Series screwdriver and the transformer. Make sure notch at the
cable end aligns with the notch on the driver connector. Tighten knurled ground ring.
2. Plug in power cord to the back of the transformer and power outlet. Flip power switch to
“ON” position located on the back of transformer.
3. Select a bit. Slide the bit collar forward. Insert the bit and release the collar. To avoid damaging
fasteners, make sure the proper bit is suitable for the head of the fastener.
4. The torque limit is determined by the tension of the coil spring housed in the tool. The tighter the coil
spring is wound the higher the torque limit is raised. See Torque Charts on pages 14 & 15 to determine the
appropriate torque adjustment setting.
5. Rotate the torque adjustment nut to set the torque limit. Turn clockwise to increase torque and counter
clockwise to decrease torque. The scale adjacent to the Torque Adjustment Nut is a reference guide. The
torque output from the driver can change depending on various fastening factors like friction, type of
joint, and the type material being used like a washer. Verify torque setting with a torque testing system.
7. Turn driver on and check for proper rotation. FOR-clockwise, REV-counterclockwise.
8. To apply torque, squeeze the lever (Push-to-Start models - place light downward pressure on the nose
of the driver). The driver will automatically stop when the preset torque has been reached.
9. To remove the screw, turn the FOR/REV switch to REV position.
torque
adjustment nut
NF-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 4
NF-Series Standard Models & Soft Stop Models
These models feature an adjustable RPM setting on the tool. The
RPM settings can be adjusted to the preset increments as shown
label (see image on the right).
These models also feature a selectable Soft Start mode (from 0.2,
0.4 & 0.6 seconds).
How to Adjust Speed Setting
1. Press 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 decrease
(-) RPM setting of the tool Slide switch to "R" position to increase
speed. Slide switch to "F" to decrease speed. Then press the
Speed button until the target speed is selected. The two LEDs
will display colors that show the current speed selection (see
table below for reference) Note! The RPM settings can only be
adjusted to the preset increments as shown on the label
(see chart below).
4. By starting the screwdriver, the selected speed is saved
automatically.
Program Lock Key
The Program Lock Key protects from incidental or operator tampering of the
programmable settings on the side of select NF-Series models* (V3 models
only). To adjust the settings the Program Lock Key must be is plugged into
the STC40 Transformer.
Note! The program Key cannot be used with NF-Series Standard Plus
Models & Angle & Auto Reverse Models.
Speed Selection
To adjust the settings the Program Lock Key
must be is plugged into the STC40 Transformer.
NF-Series Plus Models
The Plus models feature a selectable Double Hit Mode for soft joint applications and a selectable Soft Start mode (from 0.2-0.6 sec-
onds).
The Plus model operate only at single speed, which is maximum speed range listed in the data sheet.
NF150 Plus Models: 1700 RPM
NF220 Plus Models: 1200 RPM
NF450 Plus Models: 600 RPM
Double Hit Mode
The Double Hit mode is for very soft joint applications. When an electric screwdriv-
er runs down a fastener and the tool clutches off once the preset torque is
achieved there can be some joint relaxation that can occur. The Double Hit mode
has the electric screwdriver perform a second hit to stabilize the torque for joint
relaxation.
Joint relaxation is caused by the surface of part(s) embedding or by "soft parts"
such as gaskets, plastics or spongy material, which collapses under the clamping
force created in a torque condition. For Hard Joint applications there is no need to
use the Double Hit mode.
The clutch of the electric driver works twice at the set torque under the "Double Hit" mode. The Double Hit will increase the
repeatability accuracy at the target torque by double checking.
Operating the Double Hit Feature with “Plus” models
1) Press the Double Hit button to select this mode. The LED (A) will display the color Orange.
2) When the motor runs, the LED (A) will display the color Green.
NF-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 5
NF-Series Standard Models & Soft Stop Models (continued)
How to Adjust Soft Start Setting
There are 3 different time settings for the Soft Start mode which are (0.2, 0.4 & 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. Press Soft Start button until the target time is selected.
4. By starting the screwdriver, the selected soft start setting is saved
automatically.
The Soft Start button is “wrap around” button meaning you can toggle through the settings continuously by pressing the button
(OFF - 0.2s-0.4s-0.6s).
NF-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 6
NF-Series Time Control & Auto Reverse models
Set the start, stop and operating direction of the tool.
Ideal for installation of helically wound inserts, light tapping or gauging applications.
Example 1
Start from selected rotation by the lever and
immediately change rotation to reverse at
the set torque or releasing the lever. Useful
for Tapping and Helical fastening.
Example 2
Start from Reverse rotation by the lever for
set time (A) and stop for a set time (B),
then auto run for Forward fastening by set
torque.
1. Start forward rotation.
2. Stop at the target torque or set time.
3. Auto reverse rotation and stop at
releasing the lever or set time.
1. Start from reverse rotation.
2. Stop at the set time and wait for set
time.
3. Auto forward rotation and stop at
the target torque.
Example 3
Fasten or unfasten the set turns
by timer.
NF-Series Plus Models (continued)
Soft Start Mode
There are 3 different time settings for the Soft Start mode which are (0.2, 0.4 & 0.6
seconds). The default setting is OFF.
1. Press the Soft Start button for 2 seconds to turn on Soft Start.
- Soft Start is ON and set for 0.2s (LED - Green)
- Soft Start is ON and set for 0.4s (LED - Red)
- Soft Start is ON and set for 0.6s (LED - Orange)
The Soft Start button is “wrap around” button meaning you can toggle through the set-
tings continuously by pressing the button
(OFF - 0.2s-0.4s-0.6s).
NF-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
NF-Series Time Control & Auto Reverse models (Continued)
Start, Stop and Direction.
There are three sequences for this process: Start, Stop and Direction. With one pull of the lever on the electric screwdriver all 3
sequences occur within programmed cycle.
Step 1 2 3
Sequence First Run Stop & Hold Reverse Run
Rotating Clockwise or Reverse
Direction Counterclockclockwise
by F/R Switch
Activating Screwdriver runs to the set Stop and hold for set time Rotate reverse until
time (angle) & stops. It always releasing the lever or stop
stops at set torque, even it doesn't at the preset torque
reach set time (angle)
Time (Angle) Setting 0-5 sec / 30 steps 0-5 sec / 12 steps None
Screwdriver stops immediately when the lever is released during any part of the
sequence.
Sliding F/R switch works for:
Operating (Work) mode
1) Rotating direction (FOR-REV)
Program modes
1) First run angle (Increase / Decrease) with "First Run (Speed)" button
2) Time (Increase / Decrease) with "Stop (Reverse)" button
3) Rotation speed (Increase / Decrease) with "Speed (First Run)" button
4) Reverse run angle (Increase / Decrease) with "Reverse (Stop)" button
NF-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
NF-Series Time Control & Auto Reverse models (Continued)
Angle Setting for the first RUN
1. Keep the first Run button pressed for over 2 sec. for angle setting. Then press first Run button one by one for the desired rotating
angle.
2. Select the R position of F/R switch for increasing set angle or F position or decreasing set angle.
3. Keep the first Run button pressed over 2 sec. for locking the tool into this setting.
NF-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 9
Time Setting for STOP & HOLD
1. Keep the stop time button pressed over 2 sec. Then click the stop time button one by one for desired stop holding time.
2. Select the R position of F/R switch for increasing set time or F position for decreasing set time.
3. Keep the stop time button pressed over 2 sec. for locking the tool into this setting.
Rotating speed setting
1. Keep the both first Run & stop time buttons pressed over 2 sec. for unlock. Then click one by one for the desired rotating speed.
2. Select the R position of F/R switch for increasing speed or F position for decreasing speed.
3. Keep the first Run button pressed over 2 sec. for locking the tool into this setting.
NF-Series Operation Instructions
NF-Series Time Control & Auto Reverse models (Continued)
Angle Setting for the reverse RUN
1. Keep the both first Run & stop time buttons pressed over 2 sec. for unlock. Then click stop time button one by one for the desired
angle
2. Select the R position of F/R switch for increasing set angle or F position for decreasing set angle
3. Keep the stop time button pressed over 2 sec. for locking the tool into this setting..
Corporate Headquarters: 1080 North 11th Street, San Jose, CA 95112 Phone: (408) 292-2214 Fax: (408) 292-2733
www.mountztorque.com
Page 10
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