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Parker EXACTOL 400 Series Bulletin Download Page 12

Bulletin 4391-B400S

EXACTOL

®

 400 Series Tube Benders

10

Parker Hannifin Corporation

Tube Fittings Division

Columbus, OH

www.parker.com/tfd

Model 424 Parts Schematic

Model 424 Tube Bender/Maintenance and Parts List

Bender Maintenance

All parts should be kept clean and free from dirt and 
grit. Slide block and radius blocks should be handled 
carefully to avoid damaging the smooth grooved surfac-
es. Presence of nicks, burrs, pieces of dirt or chips may 
mar the surface of the tube and thereby weaken it.
All threaded parts should be cleaned and slightly 
greased occasionally to keep them in good working 
condition. This equipment will operate efficiently for a 
long period of time and will bend to exact tolerances  
repeatedly if these precautions are heeded.

Model 424 Parts List (Part # 621044)

Item  

#

Description 

Part  

No.

 No. 

Req’d

1

Body

621062

1

2

Dowel Pin, 5/8 x 1-1/2

13102

1

3

Worm

621067

1

4

Shaft

621068

1

5

Collar

621069

1

6

Snap Ring Truarc #5100-75

56 x 212

1

7

Key, 3/16 sq. x 1-5/8 long

13110

1

8

Pin, Driv-lok Type A 1/4 dia. x 1

13111

1

9

Subassembly Work & Shaft

621066

1

10 Bearing, #D2620

13113

1

11 Bearing, #3038DS

13114

1

12 Bearing, #607

13115

1

13 Pin, Driv-lok Type E 1/4 dia. x 1-1/4

13117

1

14 Nut, Drive

621071

1

15 Plug, Bearing Retainer

621072

1

16 Screw, Pilot Adjusting

621073

1

17 Bearing, Flange, #FF-1102-6 “Oilite”

13123

2

18 Nut, Vise Jaw

621074

1

19 Pin, Vise Jaw Nut

621075

1

20 Screw, Vise Jaw Adjusting

621076

1

21 Vise Jaw

621077

1

22 Pin, Vise Jaw Adjusting Screw

621078

1

23 Center Post Subassembly

621079

1

24 Bearing, #55507 N.D. Double Row 

Ball

13136

1

25 Gear, Worm

621080

1

26 Key, Worm Gear 1/4 sq. x 19/32 long 

22x20

13160

2

27 Nut, Worm Gear Retaining

621081

1

28 Bearing, #499604 N.D. Single Row 

Ball

13141

1

29 Lockwasher, #W-04

13142

1

30 Locknut, #N-04

13143

1

31 Guard, gear

621082

1

32 Screw, 1/4-28 x 5/8 long Round Hd. 

Mach. 4 x 126

13367

1

33 Pin, Drive

621083

2

34 Tie, Bar

621084

1

35 Adapter & Pin Subassembly, Slide 

Block

621085

1

36 Screw, 5/10-18 x 3/4 Soc. Hd. Cap

13152

1

37 Crank-handle Subassembly

621063

1

38 Nameplate

550609

1

39 Screw, #0 x1/8 Type “U” P.K.

13050

4

41 Center Post

13157

1

42 Drive Plate

13159

1

43 Key, 1/4 sq. x 19/32

13160

1

44 Washer

621070

1

45 Washer

621070

1

46 Dowel Pin 5/8

13163

1

47 Vise Jaw Adapter

13165

1

48 Dowel Pin 1/4

13166

1

67 Crank Handle

13168

1

68 Knob

13054

1

69 Screw

13055

1

Summary of Contents for EXACTOL 400 Series

Page 1: ...Parker 400 Series Tube Benders Bulletin 4391 B400S ...

Page 2: ...lely responsible for making the final selection of the products and systems and assuring that all performance safety and warning requirements of the application are met The products described herein including without limitation product features specifications designs availability and pricing are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice WARNIN...

Page 3: ... S C C SS C 38 S C SS Codes A Model 412 Tubing 6mm through 20mm C Model 424 Tubing 6mm through 38mm Specifications Description Model 412 Model 424 Min tube size 1 4 1 4 Max tube size 3 4 1 1 2 Max bend 180 180 Max radius 3 5 Gear ratio 60 1 60 1 Weight base unit 14 lbs 40 lbs Finish Natural Aluminum Natural Aluminum Notes 1 All benders are capable of bending 1 2 O D and under fully annealed steel ...

Page 4: ...s a ball type thrust bearing and is completely enclosed for safety and protection from external damage The main base of the benders has a square base for clamping in a vise or each bender can also be mounted in an adapter unit and fastened to a workbench Slide Block Inch Sizes Part 4 5 6 8 10 12 550585 14 16 18 20 621045 24 870150 Metric Sizes Part 6 8 10 12 14mm 820091 15 16 18 20mm 820092 22 25 ...

Page 5: ...e end of the tube Each radius die block has a graduated marking at inter vals of 15 to indicate the degree of bend Each radius die block also has an integral clamp arrangement for easy quick positive clamping of the tube except for the close bend radius blocks Radius bocks are marked with the tube size and radius for identification Radius Block Charts Size Tube O D Small Radius Block Large Radius ...

Page 6: ...1 4 through 3 4 are made to drive with two pins radius blocks 7 8 through 1 1 2 are made to drive with three pins After selecting the proper size radius block remove or add one drive pin in the drive plate to correspond with the radius block Mount the selected radius block on the center post and drive post Position the radius block so the 0 mark is toward the vise face and handle end of bender Rad...

Page 7: ...omplished with ease by means of the crank handle operating the mechanism through 60 1 ratio worm gear As the bend is being made the slide block travels with the tube and bears lightly against the radius block to form a true round die enclosing the tube providing a smooth full cross section bend The angle of the bend is indicated by the marks on the radius block At the completion of bend the desire...

Page 8: ...during bending Mandrel Graph Chart Mandrel Mandrel Rod Specifications Data Mandrel Rod Dia in Tube I D in Part No Mandrel Type 1 4 0 283 to 0 362 520506 solid 5 16 0 363 to 0 484 520507 solid 13 32 0 485 to 1 489 520508 solid To order mandrel rods specify mandrel rod size and mandrel type Mandrels Plug Type Size Tube O D in Part No Wall Thickness in 6 3 8 924417 0 035 0 042 8 1 2 924417 0 035 0 04...

Page 9: ...he bottom of the adapter slide Then place the bender in the mounting assembly with the axis of its drive handle shaft parallel with the T slot This places the handle end of the bender towards the opera tor with the adapter scale to the right The adapter slide and scale will be used later to align the bender with the mandrel Step 2 Install Mandrel Rod Stop Assembly Draw a centerline for the mandrel...

Page 10: ...against the radius block to form a true round die enclosing the tube pro viding a smooth full cross section bend Step 11 After Bending Tube At the completion of the bend remove the tie bar retract the slide block vise and unscrew the wing nut on the radius block clamp Then to remove the tube slide it out to the left back along the axis of the mandrel assemble Loosen the mandrel assembly if necessa...

Page 11: ... No Req d 1 Body 13001 1 2 Worm 550602 1 3 Shaft 550603 1 4 Collar 550604 1 5 Pin 3 16 x 3 4 Driv lok C 48 x 238 Drive Pin 1 6 Snap Ring Truarc 5100 75 56 x 207 Snap Ring 1 7 Key 1 8 sq x 1 long 13008 2 8 Bearing Nice 1207 22 550606 1 9 Bearing Nice 400 26 550608 1 10 Worm Gear and Drive Post Assembly 550587 1 11 Bearing N D 99504 550592 2 12 Center Post 13016 1 13 Bearing Stop 550615 2 14 Screw 1...

Page 12: ...621066 1 10 Bearing D2620 13113 1 11 Bearing 3038DS 13114 1 12 Bearing 607 13115 1 13 Pin Driv lok Type E 1 4 dia x 1 1 4 13117 1 14 Nut Drive 621071 1 15 Plug Bearing Retainer 621072 1 16 Screw Pilot Adjusting 621073 1 17 Bearing Flange FF 1102 6 Oilite 13123 2 18 Nut Vise Jaw 621074 1 19 Pin Vise Jaw Nut 621075 1 20 Screw Vise Jaw Adjusting 621076 1 21 Vise Jaw 621077 1 22 Pin Vise Jaw Adjusting...

Page 13: ...k 550583 Size 10 Radius Block 550584 Size 12 Radius Block Carrying case designed specifically for the 412 Kit Model 424 Bender Kit Part No Description 621044 424 Bender Body 550585 Slide Block for Sizes 4 6 8 10 12 621045 Slide Block for Sizes 14 16 18 20 870150 Slide Block for Size 24 550579 Size 4 Radius Block 550581 Size 6 Radius Block 550582 Size 8 Radius Block 550583 Size 10 Radius Block 5505...

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