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How to Replace Pusher and Pusher Spring

With use, the pusher and pusher spring will be worn and 

need to be replaced.  Call Rowley Co. to order the parts.  

1.  Undo the screw (

Fig. 8

) and remove the L bracket 

holding the magazine cover.

2.  Press the magazine latch (

Fig. 9

) to slide the 

magazine cover off the stapler.

  Look closely inside the magazine cover slot, at the 

nose end, there is a tension roller for the pusher 

spring to go around. In the bottom of the magazine 

cover slot there is a hook for hooking one end of the 

pusher spring. Spring goes around the tension roller 

and the 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 clip or a T-pin to pull the 

other end of spring out of the magazine cover slot, 

while firmly holding the pusher (

Fig. 13

).

Connect to 

Pusher Hook

Repair and Maintenance Instructions:

Thread spring 

around the 

tension roller

 

Fig. 8

This end will be 

connected to the 

pusher in Step 4.

 

Fig. 9

Fig. 10

Fig. 11

Fig. 12

Fig. 13

This end will be 

connected to 

magazine cover slot 

hook in Step 6.

 

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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