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Instruction Manual IM‐186

CUSTOMER'S INFORMATION BOX

CONTENTS ARE INDEPENDENT OF RIVERHAWK DOCUMENT CONTROL

215 Clinton Road

New Hartford, NY 13413

Tel: +1 315 768 4855

Fax: +1 315 768 4941

Email: [email protected]

REV

373A4016

GE DRAWING NUMBER

Revision E

Page 21 of 23

Содержание IM-186

Страница 1: ...NDEPENDENT OF RIVERHAWK DOCUMENT CONTROL ISSUED THIS DOCUMENT SHALL BE REVISED IN ITS ENTIRETY ALL SHEETS OF THIS DOCUMENT ARE THE SAME REVISION LEVEL AS INDICATED IN THIS VENDOR SUPPLIED DRAWING APPL...

Страница 2: ...Safety Warnings 3 2 0 Scope 4 3 0 Quick Check List 4 4 0 General Preparations 7 5 0 Preparation of Hardware 8 6 0 Nut and Stud Assembly 10 7 0 Assembly of Hydraulic Tensioner Equipment 10 8 0 Assembl...

Страница 3: ...o using this equipment CAUTION Personal injury and equipment damage can occur if the puller screw is not securely engaged with the tapered thread of the stud Proper engagement is achieved when the pul...

Страница 4: ...puller screw Do not use Never Seize on the conical threads This procedure will ease assembly and assure positive mating of the threads before tightening 2 0 Scope This document describes the procedur...

Страница 5: ...Install studs and nuts off center into the flange Set stick out dimension on the coupling side of the flange Hand tighten all studs Verify stick out measurement VERY IMPORTANT Tensioning Bolt install...

Страница 6: ...nner ring to tighten nut Release pressure move to next stud in pattern Repeat above steps at final pressure Measure final stud length and record on stretch datasheets Calculate stretch Torque nuts set...

Страница 7: ...be fully closed prior to positioning of studs in the flanges Turning the shafts of the turbine and the generator are not required but may be useful Also it will be advantageous to remove as many obst...

Страница 8: ...cial Tools Hydraulic Tensioner Kit HT 2981 Hydraulic Tensioner reference GE 359B2589 Hydraulic Pump Kit AP 0532 Air operated Hydraulic Pump recommended reference GE 359B2502 5 0 Preparation of Hardwar...

Страница 9: ...cal threads Do not apply a solvent or other cleaning solution to the threads as this may chemically attack the stud 2 Use Stud Cleaning Kit GT 4253 or a similar 1 diameter Brass power brush Picture of...

Страница 10: ...un 6 0 Stud and Nut Assembly Refer to Hardware Assembly Drawing HF 1554 listed in Sect 2 0 of this manual 1 Assemble cylindrical nut to the tapered thread end Pull End of the stud 2 Slide the assembly...

Страница 11: ...n 8 0 TO AVOID FAILURE ENSURE SAFETY AND PROPER OPERATION THE TENSIONER ASSEMBLY MUST BE MOUNTED ON THE STUD BEFORE BLEEDING THE SYSTEM AND TENSIONING BEGINS The tensioner has four ports see Fig 3 one...

Страница 12: ...ld make stud tensioning safe and easy The safety cage is integral bolted to the puller tool The hydraulic piston is spring loaded to retract Assembly sequence is as follows 1 Place the spanner ring ov...

Страница 13: ...the stud Proper engagement is achieved when the puller screw is tight in the stud and the Tensioner Assembly is free to rotate 9 0 Stud Pulling and Tensioning The studs will be tensioned in two steps...

Страница 14: ...Measures the length of the studs after all have been tensioned The final pressure and required stretch values are listed in the following table Flange Position Stud Size Final Pressure Final Stretch...

Страница 15: ...ue 2 1 4 58 mm 1 4 28 UN 80 in lbs 90 in lbs 9 0 N m 10 1 N m 11 0 Stud Nut Removal Sections 10 1 describes the procedures to be followed in removing nuts that have been installed with the mechanical...

Страница 16: ...r should also be returned to Riverhawk for inspection and repair Q The hydraulic tensioner has been taken up to its final pressure The final stretch length is short of the final stretch target What is...

Страница 17: ...und brass brush in a drill as described in section 5 2 1 Q During the initial steps of removing a tensioned stud the stick out length is found to be wrong A Do not proceed Contact Riverhawk for assist...

Страница 18: ...G NUMBER Revision E Page 18 of 23 13 0 Revision History Revision Letter Effective Date Description E May 13 2022 Updated EC Declaration of Conformity Added UKCA Declaration of Conformity D Jan 15 2015...

Страница 19: ...and applying tension to large bolts that are specifically designed by Riverhawk Company to be tensioned hydraulically All applicable sections of European Directive 2006 42 EC for machinery have been a...

Страница 20: ...alling and applying tension to large bolts that are specifically designed by Riverhawk Company to be tensioned hydraulically All applicable sections of Supply of Machinery Safety 2008 have been applie...

Страница 21: ...R S INFORMATION BOX CONTENTS ARE INDEPENDENT OF RIVERHAWK DOCUMENT CONTROL 215 Clinton Road New Hartford NY 13413 Tel 1 315 768 4855 Fax 1 315 768 4941 Email info riverhawk com REV 373A4016 GE DRAWING...

Страница 22: ...CONTROL 215 Clinton Road New Hartford NY 13413 Tel 1 315 768 4855 Fax 1 315 768 4941 Email info riverhawk com REV 373A4016 GE DRAWING NUMBER Revision E Page 22 of 23 CYLINDRICAL NUT CYLINDRICAL NUT S...

Страница 23: ...R S INFORMATION BOX CONTENTS ARE INDEPENDENT OF RIVERHAWK DOCUMENT CONTROL 215 Clinton Road New Hartford NY 13413 Tel 1 315 768 4855 Fax 1 315 768 4941 Email info riverhawk com REV 373A4016 GE DRAWING...

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