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High Capacity Ratchet Knockout Drivers

Greenlee Textron / Subsidiary of Textron Inc.

6

4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815/397-7070

Draw Stud Threads

Punch

7.

Thread the punch onto the stud so that the cutting
surfaces of the punch are toward the material.
Note: This end of the stud and the punch have right-
hand threads.

Note: Do not unthread the stud.

Input Hub

Ratchet Lever

8.

Push the ratchet direction lever to the left.

10. Remove the driver assembly from the punched hole.

Line up using

crosshairs on die

Punch

Direction

9.

Turn the ratcheting handle counterclockwise.
Continue to ratchet until the punch is completely
through the material.

Do not drive the ratchet after spindle motion stops.
Driving the ratchet after the spindle motion stops can
damage the punch driver. If the spindle is at the end
of its stroke and the punch is not completely through,
unthread the punch and check the setup. The
spindle must be in the starting position and the stud
must be threaded completely into the spindle.

11. For rapid return, hold the assembly as shown.

Rotate the handle as shown until the spindle is fully
extended.

12. Remove the punch, die, and draw stud.

Summary of Contents for 1904

Page 1: ...001 Greenlee Textron IM 1037 REV 6 9 01 Read and understand all of the instructions and safety information in this manual before operating or servicing this tool 1904 1904Pg 1904PgSB and 1906SB High Capacity Ratchet Knockout Drivers ...

Page 2: ...onal ratchet drivers These ratchet drivers can be used with Greenlee standard or Slug Buster punches and dies to punch round holes from 1 2 actual size 12 7 mm through 3 conduit size 89 8 mm in plastic fiberglass aluminum and mild steel Greenlee Slug Splitter punches and dies available from 0 598 actual size 15 2 mm though 2 conduit size 61 5 mm are capable of punching through all of these materia...

Page 3: ...ath A component failure could throw broken parts Do not allow anyone to stand in front of the punch unit Close access doors or covers on any equipment that is in line with the punch unit Failure to observe this warning can result in severe injury or death This symbol is used to call your attention to hazards or unsafe practices which could result in an injury or property damage The signal word def...

Page 4: ...nsions cheaters to the handles When punching at maximum capacity this tool requires approximately 80 pounds of handle force Using excessive force can damage the punch driver Do not drive the ratchet after spindle motion stops Driving the ratchet after the spindle motion stops can damage the punch driver IMPORTANT SAFETY INFORMATION Set up the tool properly An improper setup could cause a component...

Page 5: ... extended the view hole will be completely filled with the yellow band 3 Select the appropriate punch and die Use the Draw Stud Selection Table to determine the corresponding draw stud Install the draw stud as shown Note All draw studs for the 1904 have left hand threads Ratchet Lever Spindle will be close to end 4 Snug up the draw stud with a wrench 6 Insert the draw stud through the pilot hole 5...

Page 6: ... hole Line up using crosshairs on die Punch Direction 9 Turn the ratcheting handle counterclockwise Continue to ratchet until the punch is completely through the material Do not drive the ratchet after spindle motion stops Driving the ratchet after the spindle motion stops can damage the punch driver If the spindle is at the end of its stroke and the punch is not completely through unthread the pu...

Page 7: ...uit 28 3 mm Slug Buster 1 503 6282 8 1 7 32 30 5 mm standard 1 503 6284 4 1 7 32 30 5 mm Slug Buster 1 503 1758 0 1 conduit Slug Buster 1 501 8331 1 Pg 29 37 0 mm standard 1 503 1975 2 Pg 29 37 0 mm Slug Buster 1 503 1759 8 1 1 4 conduit 43 2 mm Slug Buster 1 501 7687 0 Pg 36 47 0 mm standard 1 503 1976 0 Pg 36 47 0 mm Slug Buster 1 503 1760 1 1 1 2 conduit 49 6 mm Slug Buster 1 501 7690 0 Pg 48 6...

Page 8: ... Spindle Hub Unit photos 4 10 7 To complete disassembly remove above unit from vise and regrip on flats of spindle 13 Use soft jaws to prevent damage from hard vise jaws Loosen flat head screw 8 with Allen wrench and remove top washer 9 3 After retaining ring is removed lift spindle hub unit 5 out of sleeve casting 20 1 Mount unit to be repaired in sturdy vise as shown Remove ratchet wrench 1 from...

Page 9: ...te torque capacity 17 Replace three set screws 6 and torque to 70 ft lb to 80 ft lb Use Allen socket and torque wrench of appropriate capacity Note All tightening torques must be met to ensure satisfactory operation Assembly of Ball Nut Unit into Sleeve photos 18 19 18 19 Refer to these photos and reassemble in the reverse order Inspect and re install thrust bearings Install spindle hub unit wave ...

Page 10: ... screw so that the balls are fed along the thread and through the nut until the ball circuit is completely full 5 Remove dowel or rod being careful to not rotate the nut The balls must not be in the return tube holes balls must only be in the mesh between the ball nut and screw 6 On both ends of the return tube place a small amount of light grease GREASE 7 Load this half tube half full of balls 8 ...

Page 11: ...pounds Apply a drop of Loctite removable thread locker 242 Lubricate the I D of this sleeve with a light coat of Molycote G 21 20 17 16 15 14 13 10 SPINDLE HUB UNIT may be repaired only at authorized service centers 11 NOTE If any balls are in need of replacement a complete set should be ordered to ensure proper consistency of size 8 9 7 6 2 12 5 4 3 Lubricate with light machine oil Locking detent...

Page 12: ...0 3 Ball 156 diameter 84 4 13 503 3547 2 Spindle 970 x 4 60 1 14 503 0249 3 Washer thrust 1 12 x 2 09 x 250 stepped 1 15 905 3251 1 Bearing thrust 1 50 x 2 17 x 078 1 16 905 3250 3 Washer thrust 1 508 x 2 16 x 125 1 17 905 3600 2 Screw set 1 4 20 x 437 flat point socket 1 18 503 0225 6 Handle unit 1 19 502 3258 4 Grip 1 20 503 3553 7 Sleeve ratchet driver 1 21 503 3549 9 Insert alignment 1 22 905 ...

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