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Gerber SABRE 408, Replacement Procedure

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Gerber SABRE 408 Replacement Procedure Download Page 7

 

Page 7 of 9

 

 

7 

Clean the two (17mm x 45mm) hex-head bolts with alcohol, install the flat washers and apply a dab 
of Loctite 242 to the threads. Insert the bolts/washers into each end of the lead screw. Tighten finger 
tight. Torque the front lead screw hex head bolt to 156 inch-lbs. using the 17mm socket. Then tighten 
the front lead screw clamping screws to 88 inch-lbs. of torque using a 5mm Allen wrench.  Loosen the 
rear clamping screws, torque the rear lead screw hex bolt to 156 inch-lbs. using the 17mm socket and 
retighten the rear lead screw clamping screws to 88 inch-lbs. of torque using a 17mm Allen wrench. 

              

 

 

8 

Tighten the attaching screws for the lead screw support block/bushing assembly to the tie beam to 88 
inch-lbs. of torque using a 5mm Allen wrench.  Make sure that the bushing is not contacting the lead 
screw. 

 

 

 

 

 
 
 

Summary of Contents for SABRE 408

Page 1: ...edium duty thread locking compound LocTite 242 or equivalent Isopropyl alcohol for clean up Referencing 0 0 position The encoder pulse must be set to its original position after a new lead screw is installed Before removing the old lead screw it is advised to use the pen tool to draw a line in the X direction on the table top You can then use this in setting the new lead screw s 0 position Note In...

Page 2: ... To Remove the front cover 1 Remove the T Vac T handles from the front of the router by pulling them off the valves 2 Support the front panel and remove the four screws 3mm attaching the T Vac panel to the end covers and the two screws 2 5mm attaching the T Vac panel to the leg covers ...

Page 3: ...lead screw from the router 1 Unbolt the two 6mm x 25mm cap screws that secure the front lead screw support block bushing assembly from the tie beam using a 5mm Allen wrench This will be transferred to the replacement lead screw during installation 2 Remove the three 4mm x 20mm screws and flat washers that attach the lead screw nut to the tie beam using a 3mm Allen wrench and manually move the beam...

Page 4: ...locks using a 5mm Allen wrench to free the lead screw 4 Unplug the front limit switch and free the wires from the tie wrap Remove the four 6mm x 45mm cap screws and flat washers from the front lead screw clamp using a 6mm Allen wrench and slide it off the lead screw with the limit switch attached 5 Carefully slide the lead screw nut bushing assembly out of the front of the table 6 Support lead scr...

Page 5: ...front of the lead screw Carefully slide the lead screw through the tie beam spindle and insert the rear of the lead screw into the rear clamp Using the beam as a carrier move the lead screw to the end of the table Support the front of the lead screw and move the beam forward past the center of the table Slide the front lead screw support block bushing assembly onto the lead screw Leave it loose un...

Page 6: ...nt bushing to the lead screw Hold the bracket bushing assembly 90 degrees rotated from the position it would normally be when attached to the beam The assembly should just slowly rotate back down to the bottom If it is too loose you can turn the adjusting screw on the bushing to slightly tighten it If it is too tight and won t rotate down you can turn the adjusting screw to slightly loosen it If t...

Page 7: ...ghten the front lead screw clamping screws to 88 inch lbs of torque using a 5mm Allen wrench Loosen the rear clamping screws torque the rear lead screw hex bolt to 156 inch lbs using the 17mm socket and retighten the rear lead screw clamping screws to 88 inch lbs of torque using a 17mm Allen wrench 8 Tighten the attaching screws for the lead screw support block bushing assembly to the tie beam to ...

Page 8: ...he router by popping them into place Verifying the encoder pulse position To verify the encoder pulse position 1 Plug in and turn on the router 2 Slew the beam to approximately 1 from the front of the table Slew the carriage to approximately 1 from the left side of the table 3 Push the A key on the keypad to orient the router 4 Once the Sabre has oriented without moving the beam place pen tool in ...

Page 9: ...he machine When under the table loosen the clamp screw 2 5mm on the motor pulley 6 Manually rotate the pulley belt so the beam moves the pen over the original registration mark Tighten the motor pulley clamp Do not align the slot in the motor pulley clamp with the slots in the motor pulley 7 Turn off the router and then perform Steps 2 6 until the Y orientation is correct You may have to do this s...

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