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Summary of Contents for Enerpac GT Series
- Page 1 Instruction Sheet GT Series Hydraulic Tensioners L2714 Rev. D 10/19...
- Page 2 Weitere Sprachen finden Sie unter www.enerpac.com. Para otros idiomas visite www.enerpac.com. Muunkieliset versiot ovat osoitteessa www.enerpac.com. Pour toutes les autres langues, rendez-vous sur www.enerpac.com. Per altre lingue visitate il sito www.enerpac.com. Ga voor de overige talen naar www.enerpac.com. For alle andre språk henviser vi til www.enerpac.com.
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Page 3: Table Of Contents
9.0 STORAGE ............. 18 10.0 TECHNICAL DATA ........19 Warranty 1.0 INTRODUCTION • Enerpac guarantees the product only for the Overview purpose for which it is intended. The Enerpac GT Tensioner has been designed • Refer to the Enerpac Global Warranty... -
Page 4: Safety
These tools conform with the hazard seriousness. The Signal Words used requirements for CE. in this manual are WARNING, CAUTION, and NOTICE. Enerpac declares that this product has been Indicates hazardous tested and conforms to applicable standards DANGER situation that, if not avoided, will result and is compatible to all CE Requirements. - Page 5 It is your are designed to fit properly and to withstand window to see what is happening in the high loads. Non-Enerpac parts may break or system. cause the product to malfunction. • Never set a relief valve to a higher pressure •...
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Page 6: Specifications
4.0 FEATURES AND COMPONENTS oil penetrates the skin. Damage to tensioner components and joint may also occur if Refer to Figure 2 for a diagram of GT Series maximum stroke is exceeded. Tensioner major components. Key:... - Page 7 See Figure 4, View C. 3. Rotate the socket and repeat removal process for the other two retaining pins. FIGURE 4, INSTALL/ REMOVE CAPTIVATED 4. The socket can now be freely removed from SOCKET the bridge. © 2019 Enerpac, All Rights Reserved.
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Page 8: Setting Up
Enerpac HF oil ISO32. Table 1 - Tensioner Oil Volumes Enerpac HF oil is available at your local Enerpac Maximum Oil Volume at Distributor or Authorized Service Centre. Maximum Stroke... - Page 9 WARNING connection of hydraulic hoses. used, always pressurize the tensioner using ONLY the MALE tensioner coupler. To prevent possible high pressure oil leakage, NEVER use the female tensioner coupler to pressurize a single tensioner. © 2019 Enerpac, All Rights Reserved.
- Page 10 PRESSURE PRESSURE RELEASE RELEASE OPEN OPEN FIGURE 6, HYDRAULIC TENSIONER INSTALLATION © 2019 Enerpac, All Rights Reserved.
- Page 11 (50% coverage). If 12 tensioners are 100% and 50% tensioner coverage are shown available, then every third stud will contain a in Figure 7. Contact Enerpac for additional tensioner (33% coverage). information regarding tensioner arrangements of less than 50% coverage.
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Page 12: Tensioning And De-Tensioning
This value must be calculated by a qualified engineer with bolting experience. 4. Operate the pump and pressurize the tensioners up to approximately 1000 psi FIGURE 9, TURNING DOWN THE SOCKET [70 bar]. Check for oil leaks. AND NUT © 2019 Enerpac, All Rights Reserved. - Page 13 “1” and connect the hydraulic hoses. See Figure 13 for typical tensioner arrangement. Also refer to sections 6.1 and FIGURE 12, TURNING DOWN THE THREADED 6.2 for additional tensioner installation and PULLER (AS REQUIRED) hook-up instructions. © 2019 Enerpac, All Rights Reserved.
- Page 14 13. Repeat steps 5 through 11 a third time (to pressure “A”). FIGURE 14, TENSIONER ARRANGEMENT 14. Move the tensioners to the remaining 50% SECOND PASS - TYPICAL (50% TENSIONER of the bolts (i.e. all bolts numbered “2”). COVERAGE) See Figure 14. © 2019 Enerpac, All Rights Reserved.
- Page 15 Read precautions IMPORTANT: (0) psi/bar. See Figure 11. instructions at beginning of Section 7.0 before beginning the following steps. Also refer to safety information contained in Section 2.0. © 2019 Enerpac, All Rights Reserved.
- Page 16 B2= Break Loose Pressure (B1) 5 percent increments. However, NEVER raise hydraulic pressure above 21,750 psi [1500 bar]. FIGURE 18, TURNING UP THE NUT Ensure that the load applied does not exceed the tensile strength of the stud. © 2019 Enerpac, All Rights Reserved.
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Page 17: Maintenance
8.0 MAINTENANCE PRESSURE RELEASE It is recommended that repairs and servicing be carried out by Enerpac at intervals agreed OPEN by Enerpac and customer. All parts will be thoroughly inspected and replaced where necessary, certain components (e.g. seals) will be replaced automatically. Tensioners will be re-assembled, pressure tested and a test certificate issued. - Page 18 The ram should be reset and all parts should be Enerpac’s stringent requirements. Any parts cleaned down, and coated with WD40 or simi- failing in use that are found upon Enerpac’s lar. Alternatively rinse in light oil. inspection not to be Enerpac’s genuine spare...
- Page 19 Fit the AER’s to the seal, the tapered surface of the AER must face the taper of the seal as shown below. This applies to both outer and inner AER’s. © 2019 Enerpac, All Rights Reserved.
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Page 20: Storage
GT tensioner body. Remove and discard the bonded seal. Clean any dirt and debris from the tensioner body counterbore and the coupler spigot face. Insert a new bonded seal into the counterbore. © 2019 Enerpac, All Rights Reserved. -
Page 21: Technical Data
10.0 TECHNICAL DATA 10.1 GT Series Tensioner Specifications Nearest obstruction FIGURE 24A X = minimum socket rotation 60⁰ FIGURE 24B © 2019 Enerpac, All Rights Reserved. - Page 22 10.2 GT Series Tensioner Specifications Metric Table (see Fig 24 for locations of dimensions A, B, C, D, E, F, and N) © 2019 Enerpac, All Rights Reserved.
- Page 23 © 2019 Enerpac, All Rights Reserved.
- Page 24 © 2019 Enerpac, All Rights Reserved.
- Page 25 10.3 GT Series Tensioner Specifications Imperial Table (see Fig 24 for locations of dimensions A, B, C, D, E, F, and N) © 2019 Enerpac, All Rights Reserved.
- Page 26 © 2019 Enerpac, All Rights Reserved.
- Page 27 © 2019 Enerpac, All Rights Reserved.
- Page 28 NOTES _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ © 2019 Enerpac, All Rights Reserved.
- Page 29 NOTES _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ © 2019 Enerpac, All Rights Reserved.
- Page 30 http://www.enerpac.com...
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