GREENLINE 880 Operation, Service And Parts Instruction Manual

Hydraulic bender

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OPERATION, SERVICE AND PARTS

INSTRUCTION MANUAL

880

HYDRAULIC BENDER

Read and understand this material before

operating or servicing this tool. Failure

to understand how to safely operate this tool

could result in an accident causing serious

injury or death.

999 6196.2

IM 689 REV 8

7/97

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Summary of Contents for GREENLINE 880

Page 1 OPERATION, SERVICE AND PARTS INSTRUCTION MANUAL HYDRAULIC BENDER Read and understand this material before operating or servicing this tool. Failure to understand how to safely operate this tool could result in an accident causing serious injury or death. 999 6196.2 ©...
Page 2: Table Of Contents
880 Hydraulic Bender Table of Contents Safe Operating Practices .................. 2-3 Description and Purpose ..................3 Operating Instructions Setup ......................4 Bending Conduit ..................... 5 Bending Instructions Glossary of Bending Terms (with Illustrations) ..........6 Laying Out One-Shot 90˚ Bends ..............7 Laying Out an Offset Bend ................
Page 3: Description And Purpose
40 pipe when used with standard aluminum bending operation and maintenance procedures for the 880 shoes. The 880 bends up to 90˚ in one shot. Conduit Bender. • Standard aluminum shoes bend 1" - 2" GRC and schedule 40 pipe.
Page 4: Operating Instructions
880 Hydraulic Bender Operating Instructions Setup 1. Place the ram (A) between the two halves of the 6. Position the pipe support so that the side of the pipe frame unit (F). support facing the conduit corresponds to the size of conduit to be bent.
Page 5: Bending Conduit
7. Repeat steps 5 and 6 until the last bend is made. 8. Remove the conduit from the bend. RAM TRAVEL SCALE READ SCALE AT EDGE OF BLOCK Centerline Bending Radii for the 880 Bender Rigid Shoe Size 1-1/4 1-1/2...
Page 6: Bending Instructions Glossary Of Bending Terms With Illustrations
880 Hydraulic Bender Bending Instructions Glossary of Bending Terms with Illustrations 1. amount of offset — the distance 11. 90˚ bend — any bend that that the conduit or pipe must be changes the direction of the re-routed to avoid an obstruction;...
Page 7: Laying Out One-Shot 90˚ Bends
880 Hydraulic Bender Laying Out One-Shot 90˚ Bends 1. Measure the length of the required stub. See Figure 1. 2. Find the minimum stub length for that diameter of JUNCTION conduit on the Deduct and Minimum Stub Length Table. The stub you require must be equal to or longer than the minimum stub length.
Page 8: Laying Out An Offset Bend
880 Hydraulic Bender Laying Out Offset Bends Calculating the Center-to-Center Distance An offset bend is used to route the conduit around an To calculate the center-to-center distance of commonly obstruction. To make an offset, two bends are required. used offset bends, multiply the amount of offset by the...
Page 9: Calculating Shrink
880 Hydraulic Bender Layout For an Offset Bend (cont’d) Calculating “Shrink” To find the center-to-center distance and the amount of When making offsets, it is common practice to make the shrink per inch of depth for a particular offset, consult offset as close to the obstruction as possible.
Page 10: Laying Out A Segment Bend
880 Hydraulic Bender Laying Out a Segment Bend When a bend with a large radius is necessary, segment bending is required. Segment bending requires a series of small bends, or shots, spaced closely together. Use the formulas and tables that follow to mark the conduit.
Page 11 880 Hydraulic Bender Laying Out a Segment Bend (cont’d) Developed Length Formula for Any Bend developed length = 0.01744 x degree of bend x bending radius Developed Length Table RADIUS - Increments by Ones 1.57 3.14 4.71 6.28 7.85 9.42 10.99...
Page 12: Other Bending Information
880 Hydraulic Bender Laying Out a Segment Bend (cont’d) Suggested Number of Bends Table Suggested Number of Bends* Radius (minimum) (maximum) 4" - 10" 10" - 20" 20" - 30" 30" - 40" 40" - 50" 50" - 60" *The minimum and maximum number of bends are suggestions only.
Page 13 880 Hydraulic Bender Gain Factor Table ANGLE - Increments by Ones — 1˚ 2˚ 3˚ 4˚ 5˚ 6˚ 7˚ 8˚ 9˚ 0˚ .0000 .0000 .0000 .0000 .0000 .0000 .0001 .0001 .0003 .0003 10˚ .0005 .0006 .0008 .0010 .0013 .0015 .0018 .0022...
Page 14: Maintenance Exploded View And Parts List
880 Hydraulic Bender 880 Hydraulic Bender—Exploded View and Parts List Catalog No. Part No. Description 501 6249.7 15-Ton Ram with 4018GB female quick coupler (includes Keys C-E) ....... 1 1 1289 501 1289.9 3/8" x 6' High Pressure Hose with two 4033GB male quick couplers ....... 1 1 5289 501 5829.5...
Page 15: Frame Unit-Parts Lists
880 Hydraulic Bender 2345AA Frame Unit (500 3396.4)—Parts List Cat. No. Part No. Description 2326AA 500 3368.9 Aluminum Cross Plate ........... 2 2327AA 500 3369.7 Frame Support Pin ..........2 1312AV 500 2767.0 Washer, 3/8 x 13/16 x 1/16, flat ......4 1313AV 500 2768.9...
Page 16: Ram-Parts List
747-M4 Ram (501 6249.7)—Parts List 17.10 5.25 SERIAL NUMBER LOCATION 19 20 13 9, 9A 16 12 11, 11A 15 6.31 SECTION A - A Cat. No. Part No. Description 15829 501 5829.5 Pin unit, cylinder block (consists of parts 13, 19 & 20) ..2 2551AA 500 3477.4 Retainer, spring ..............