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4.  Stapler has an air leak.

3.  Worn or cracked washer.

1.  Staples are loaded 

incorrectly.

2.  Stapler has an air leak.

-4-

Problem:

Possible Cause:

Corrective Action:

 

1)  Trigger can not be 

depressed.

Trigger safety is in the way.

2)  Stapler fires but does not 

shoot staples.

Listen carefully for any air leak from the stapler.  If air 

leak is detected from air inlet plug, unscrew the inlet 

plug, wrap a strip of Teflon® sealing tape around the 

threads, screw in the inlet plug.  If air leaks from other 

parts of the stapler, call Rowley Co. for further 

information.

Note:

  A burst of air follows each shooting cycle.  This 

is normal.

Open the stapler magazine cover, remove the staples 

and shoot the stapler several times while the magazine 

cover is open.  If the piston blade does not retract fully 

(totally disappears into the stapler body) at the end of 

the cycle, it is very likely that the washer is worn and 

need to be replaced.  See 

How to Replace Washer 

or 

call Rowley CO.

2.  Air pressure is too low.  

Adjust the regulator to increase output air pressure.  

The optimum air pressure range for each stapler may 

vary. It also depends on the type of wood one is 

stapling into.  

Warning: 

Do not exceed maximum operating pressure 

of 105 psi.

Note:

 Most air compressors have two gauges: one 

gauge displays the tank pressure and the other 

indicates the stepped down output air pressure. After 

turning on the air compressor, wait until the air 

compressor cuts off and the tank gauge stabilizes, then 

adjust the regulator.

Caution:

 

A faulty gauge or regulator may give incorrect 

pressure reading.  The only way to test this is to 

replace the gauge and/or the regulator.

5.  Damaged piston.

A damaged piston blade often damages the bumper.  

Replace both (See 

How to Replace Piston and 

Bumper

), or call Rowley CO.

5)  Stapler drives the staples 

too deep and/or damages 

the stapling surface or cuts 

fabric or make the fabric 

appear buckled.

1.  Operator presses the 

stapler too firmly against 

the stapling surface.

Unlike an electrical stapler, one does not need to and 

should not hold the stapler firmly against the stapling 

surface.  Rest the stapler nose lightly on the stapling 

surface, then press the trigger.  If the staples are still 

too deep, tilt the stapler slightly, so stapler nose is at 

an angle from the stapling surface

Caution:

 

Pressing hard on the stapler will not only 

damage the stapling surface but could also damage 

the stapler piston and shorten the stapler life.  

2.  Air pressure is too high.

Adjust regulator to reduce air pressure.  

4)  Piston blade appears stuck, 

or sticking out of the nose 

when not shooting, or 

stapler cycles sluggishly.

1.  Stapler does not have 

adequate lubrication.

Add 2 drops of pneumatic lubricating oil through the 

stapler air inlet, or install an in line lubricator and make 

sure the oil level in the lubricator is adequate.

Note:

  Add one to two drops of oil at the start of each 

work day.   

2.  Damaged piston.

See corrective action for problem (2).

Turn the trigger safety to the side.

Warning: 

Do not remove or tamper with the trigger 

safety.  It is there to prevent accidental firing.

3)  Stapler does not fully drive 

staples.

Make sure staples are loaded correctly in the stapler 

(

Fig. 7

).

1.  Air pressure is too low.  

See corrective action for problem (2).

See corrective action for problem (2).

Troubleshooting:

Summary of Contents for NS10 & NS11

Page 1: ...sed air only 2 Do not use gasoline or any other flammable liquid to clean the tool 3 Do not exceed the maximum operating air pressure of 105 psi 4 Always disconnect the tool from the air supply before loading staples clearing a jam or servicing 5 Always disconnect the tool from the air supply when not in operation Never leave tool unattended while connected to air supply 6 Do not carry tool by hos...

Page 2: ... tool A separate regulator is especially useful when there are several tools connected to the same air compressor or when the air hose spans a long distance Always install an air regulator as close to the tool as possible Operation Instructions 1 Set Up Compressed Air The following diagram shows a simple compressed air set up Connect a filter to air compressor through a straight air hose Connect t...

Page 3: ...t penetrate sufficiently especially when stapling into hardwood or if stapler misfires occasionally or the piston does not return to full up position at the end of cycle the air pressure may be too low Adjust regulator to increase air pressure gradually and try again Warning Do not exceed maximum operating pressure of 100 psi 6 After use always disconnect stapler from air supply and unload the sta...

Page 4: ...t pressure reading The only way to test this is to replace the gauge and or the regulator 5 Damaged piston A damaged piston blade often damages the bumper Replace both See How to Replace Piston and Bumper or call Rowley CO 5 Stapler drives the staples too deep and or damages the stapling surface or cuts fabric or make the fabric appear buckled 1 Operator presses the stapler too firmly against the ...

Page 5: ... jamming See corrective action for problem 6 3 Debris in magazine chamber 1 Incorrect staples 2 Defective staples See corrective action for problem 6 5 Worn pusher and or pusher spring See corrective action for problem 6 6 Staples jam in the nose tip The driver guide part 32 is bent or the latch spring part 39 is too loose Call Rowley Co See corrective action for problem 6 4 Shooting one staple on...

Page 6: ...e other end of the pusher spring connects to the hook on the pusher See Fig 10 Spring Go Around Tension Roller Connect one end of spring to the Magazine Cover Hook Magazine Cover Pusher Spring Pusher Pusher Hook 3 Thread the spring behind and around the tension roller into the magazine cover slot Fig 11 4 Connect one end of the spring to the hook on the pusher Fig 12 5 Use a straightened paper cli...

Page 7: ...w Fig 8 With use piston may break or bend Broken piston often damages the bumper Both need to be replaced See table below for the parts stock numbers for NS10 and NS11 Order Lubricant Syringe AS65 also AS65 will be used in the following steps 1 Unscrew the four bolts as shown in Fig 16 2 Remove the bolts 1 and exhaust cap 2 Carefully remove the entire cylinder cover assembly 3 so the parts do not ...

Page 8: ... Remove the damaged or old bumper from the bottom of the cylinder You may use a screw driver to push the bumper out Apply small mount of lubricant grease AS65 to the outer surface of a new bumper Place the new bumper into the bottom of the cylinder 6 Insert the cylinder into the stapler Push the cylinder down and make sure it is seated properly Fig 24 Look between cylinder wall and stapler body th...

Page 9: ...he O ring 9 Make sure the entire cylinder cover assembly is intact all the parts are on including compressed spring 3 rectangle washer 4 cylinder cover 5 O Rings 6 7 piston stop 8 and sealing gasket 16 Place the cylinder cover assembly on as shown Fig 28 10 Place the exhaust cap on as shown Fig 29 11 Insert the four bolts Tighten the bolts while pressing down the exhaust cap Connect the stapler to...

Page 10: ...grease AS65 around the outer edge of the new washer Fig 35 Place the new washer on the stapler and make sure the washer is properly inserted the slot in the washer is parallel to the slot in the stapler Fig 36 and the washer will not impinge on the free movement of the piston 4 Place the spacer and the magazine nose assembly onto the stapler as shown The two surfaces of NS10 spacer are different T...

Page 11: ...instructions Rowley Co is not liable for any personal injuries or material damages associated directly or indirectly with using this tool Limited Warranty Part Name 1 Bolt M5X50 2 Exhaust Cap 3 Compression Spring 4 RectangleWasher 5 Cylinder Cover 6 O Ring 11 7X2 1 7 O Ring 16 2X2 1 8 Piston Stop 9 Collar Part Name 10 O Ring 2 65X30 2 11 O Ring 2 65X18 12 Cylinder 13 O Ring 2 65X18 14 Piston 15 Bu...

Page 12: ...ng 1 7X2 22 TriggerValve Guide 23 O Ring 11 2X2 24 Trigger Safety 25 Compression Spring 26 Step Pin 27 Trigger Lever Part Name 29 C Clip 2 5 30 Bolts M5x20 31 SpringWasher 5 32 Driver Guide 33 Spacer 34 Fixed Magazine 35 L Bracket 36 Bolt M4X6 37 SpringWasher 4 Part Name 38 Support 39 Latch Spring 40 Latch 41 Step Pin 42 Pin M2X10 43 Bolt M4X12 44 Pin M2X8 45 Movable Magazine 46 Pusher Part Name 4...

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