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4) Remove all pins from the Drive Link assembly. With the word 'TOP' facing up, Install the Drive Link assembly into the Frame 

assembly using the 1" Frame Pin. See figure 4. The bender is now assembled and ready for the die set to be installed. 

NOTE: A 19" extension handle is provided with the bender. Slide it into the ratchet lever and using the supplied 3/8" pull pin, 

secure in place. The combined handle will be approximately 36" long. This should allow the average user to bend 1 3/4" x .095" 

wall mild steel tubing using just one hand. If bending chromemoly, DOM or larger tubing and find you desire more leverage to 

reduce the bending effort required, simply obtain a length of 1" pipe (1.315" o.d.) and cut it to the desired length. You also need 

to drill a 7/16" hole near one end so the pull pin may be installed.

3) The two Drive Links are assembled next. Using the 

two 3/4" OD Drive Link Spacer Tubes, two 1/2" bolts, 

four 1/2" washers and two 1/2" nuts, assemble the 

two Drive Links as shown in figure 3. The word 'TOP' 

must be face up on both links. This is very important 

because the three 7/8" drive holes are offset to the 

right. Hand tighten only. Insert the two pins into their 

respective holes to help alignment. Lay the assembly 

on its side to further help alignment and wrench tighten 

securely.

- 2 -

Figure 3 - Drive Link assembly

1" Frame Pin

7/8" Drive Pin

1/2" Bolts & Washers

3/4" OD Drive Link Spacer Tubes

1/2" Nuts and Washers

Drive Link

Drive Link

Figure 4 - Completed bender without die set installed

Содержание 3

Страница 1: ...Model 3 Tube Bender Assembly Operating Instructions J D Squared Inc 2244 Eddie Williams Rd Johnson City TN 37601 423 979 0309 FAX 423 979 2426 http www jd2 com Copyright 2009 by J D Squared Inc...

Страница 2: ...lar on one of the two Spacer Tubes 1 OD tubes Do not tighten collar E Install the Upper Frame Link Ratchet assembly and 1 Spacer Tubes as shown above Hand tighten the bolts F Insert the 1 Frame Pin in...

Страница 3: ...ed simply obtain a length of 1 pipe 1 315 o d and cut it to the desired length You also need to drill a 7 16 hole near one end so the pull pin may be installed 3 The two Drive Links are assembled next...

Страница 4: ...m the bender s frame Notice that through the hydraulic swivel block is machined a 2 1 4 x 14 TPI thread and a slight shoulder The shoulder should face away from the drive links towards the rear of the...

Страница 5: ...ng Die This is the part that the tube or pipe actually bends around It has a circular groove machined around its circumference Please note that this groove is machined with a specially designed profil...

Страница 6: ...1 and 2 Line 1 runs from the center of the forming die s center hole to approximately the middle of the angled rear insert Line 2 runs from that point parallel to the tubing This illustrates the basi...

Страница 7: ...breath spoil break annihilate brutalize makeinoperable or otherwise extinguish its very existence just visit your local welding supply to get a new one Pointer Die Block Figure 12 Pointer installed o...

Страница 8: ...ie s pointer is at 0 degrees and then hand tighten the nut to secure it into position Now you re ready to bend Pull on the handle in a clockwise direction until the Ratchet Lever cannot rotate any fur...

Страница 9: ...r the tubing the greater the springback For in stance chromemoly tubing will springback roughly twice as far as the ex act same size and wall thickness of welded seam mild steel tubing By using a tem...

Страница 10: ...d tubing However for this application I think it s a waste of time Timeusuallycostmorethantubing so here s the fast way Take the total width of the rollbar 62 and add it to twice the height 40 which g...

Страница 11: ...e of bend indicators this is easily accomplished Once you know the correct over bend required you may want to record it for future reference BEND 2 Place the template above therollbartubewiththetempla...

Страница 12: ...UCTION BENDER USING THE TEMPLATE METHOD As I stated earlier this method can be used for production bending The idea of making the bends from the center out doesn t usually work well in production Most...

Страница 13: ...simply unbend it Obviously this only works for small amounts of overbend If the tubing is under bent it will be necessary to put it back into the bender D With the tube bent correctly to 90 degrees lo...

Страница 14: ...ght 13 1 2 for the right upright 74 1 2 of tubing needed It s usually a good idea to leave a couple of inches extra on the end Remember it s easier to remove tubing then to add it So let s add 2 to 74...

Страница 15: ...far side of the completed bend to the edge of the bending die See figure 28 This measurement should read 40 width of hoop 3 4 radius of tube not in bending die 1 8 springback allowance 39 1 8 Make th...

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