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Table of Contents
Related Manuals for Helac L10-15
Summary of Contents for Helac L10-15
- Page 1 Helical Hydraulic Rotary Actuators L10 Series Service & Repair Manual...
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Page 2: Table Of Contents
Seal and Bearing Installation ........................... 16 Assembly ................................19 Post Assembly Grease Thrust Washers ............................23 Testing the Actuator ..............................24 Installation and Bleeding............................25 Troubleshooting Guide ............................28 Warranty Information ............................... 29 Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 3: Product Introduction
Catalog HY34-3000 Product Introduction L10 Series Service & Repair Manual Product Introduction For over 45 years, Helac Corporation has been equipment (joint movement) and jib cranes (boom recognized for innovation in design of hydraulic rotation), along with many other positioning, lifting rotary actuators and construction equipment and processing applications. -
Page 4: General Safety Guidelines
Product Identification Each Helac actuator is individually serial ID tag may be painted over by the OEM (Original numbered. The serial number is a five or six digit Equipment Manufacturer). -
Page 5: Theory Of Operation
The L10 Series rotary actuator is a simple mechanism The shaft is supported radially by the large upper that uses Helac's sliding spline technology to convert radial bearing and the lower radial bearing. Axially, the linear piston motion into powerful shaft rotation. Each... -
Page 6: Tools Required
Removal and installation of end cap. 13. PROTECTIVE SLEEVE (see details on page 10) Protects the internal gear teeth and threads during disassembly and assembly. (Provided with Helac seal kit for most models) Several basic tools are required for the disassembly and the assembly of the actuator. -
Page 7: Assembly Drawings
Helical, Hydraulic Rotary Actuators Catalog HY34-3000 Assembly Drawing L10 Series Service & Repair Manual Assembly Drawing Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 8: Exploded Views
Helical, Hydraulic Rotary Actuators Catalog HY34-3000 Exploded View L10 Series Service & Repair Manual Exploded View Typical L10 Series Actuator Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 9: Spare Parts
Sold as "kit" only http://www.helac.com/store/ Item Description Quantity 200..Crown Seal .............1 202..Crown Seal .............1 207..Cup Seal ............1 208..Cup Seal ............1 209..Cup Seal ............1 210..Cup Seal ............1 211 ..O-Ring ............1 212..Back-Up Ring ..........1 Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 10: Protective Sleeve
Protective Sleeve Cut 1 Cut 2 Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 11: Disassembly
Disassembly pins pry bar 1. Using a hex wrench, remove all port plugs. 2. Drain the actuator of all oil into a suitable container. Examine oil for signs of contamination. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... - Page 12 L10 - 9.5 (all models) gear teeth clockwise metal plate protective L10 - 15 (180°) 10 gear teeth clockwise sleeve L10 - 15 (360°) gear teeth clockwise L10 - 25 - (360°) gear teeth clockwise Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 13 (212) from the end cap (4). 16. Remove the exclusion seal (207). 211 212 17. Remove the wear guide (301) from 13. Remove the thrust washer (304) from the the shaft (2) end cap (4) Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 14 19. Remove the thrust washer (305). 22. Remove the piston sleeve (3) ID seal (202) using a small pick or seal tool. 20. Remove the exclusion seal (210), from the shaft (02). Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
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Page 15: Inspection
Carefully inspect all critical areas for any surface finish abnormalities: Seal grooves, bearing grooves, thrust surfaces, shaft surface, housing bore and gear teeth. Small or minor surface scratches can be carefully polished. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 16: Seal And Bearing Installation
Pre-Assembly All actuators are timed according to OEM specifications at Helac's production facility. The timing ensures that the actuator will stop at the required position at the end of the rotation in either direction. Wrong timing can cause the actuator to 1. - Page 17 7. Install the wear guide (300) onto the end cap (4). 5. Install the exclusion seal (207) onto the end 8. Lightly grease the thrust washer (304) with cap (4). Lithium grease and install onto the end cap (4). Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 18 (4). 10. Install the piston sleeve ID seal (202) into the piston (3) using a circular motion. 11. Install the piston sleeve OD seal (200) onto the piston sleeve (3). Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
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Page 19: Assembly
The seal inside the stop tube does not function as a seal, it's purpose is to keep the stop tube stationary on the shaft. 4. Place protective sleeve over the shaft (2). protective sleeve Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... - Page 20 8. Generously apply the appropriate grease to 15° the shaft thrust washer prior to inserting into housing. Be sure the end cap and shaft grease relief set screws (122) are removed prior to inserting into housing. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 21 (208) on the end cap into the housing until the shaft flange is almost contacts the housing (01). flush with the face of the housing. The timing marks D and E should line up. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 22 L10 - 5.5 .250 inch ( ") hole L10 - 9.5 .312 inch ( ") L10 - 15 .312 inch ( ") L10 - 25 .312 inch ( ") Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
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Page 23: Grease Thrust Washers
Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 24: Testing The Actuator
Replace the line and rotate the shaft to the end of rotation in the opposite direction. Repeat the test procedure outlined above for the other port. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA... -
Page 25: Installation And Bleeding
• dual bleed screw (photo, page 28) with no bleed screw. Bleed screw assemblies can be ordered as an Actuators positioned vertically, with only a single option. (Helac Part Number S52125) bleed screw installed: Actuators with only a single bleed screw or plug 1. Connect a "... - Page 26 The following steps are recommended when a minimum of two gallons hex wrench (8 liters) is purged. Repeat steps 1 through 4. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 27 4. Repeat steps 2 & 3. After the last gallon is purged, close both bleed screws before rotating away from the end position. Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
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Page 28: Troubleshooting Guide
Re-build the actuator. Use fluid that is compatible with 6. Swollen seals and composite bearings caused by incompatible hydraulic fluid seals and bearings. Contact Helac for more information 7. Air in actuator Purge air from actuator. See bleeding procedure starting on page 25. -
Page 29: Warranty Information
In no event shall Helac Corporation be liable for any incidental or consequential damages. Helac Corporation reserves the right to make changes in the design or construction of any of its products at any time without incurring any obligations to make changes or alterations to products previously sold. - Page 30 Helical, Hydraulic Rotary Actuators Catalog HY34-3000 Notes L10 Series Service & Repair Manual Notes Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 31 Helical, Hydraulic Rotary Actuators Catalog HY34-3000 Notes L10 Series Service & Repair Manual Notes Parker Hannifin Corporation Helac/Cylinder Division www.helac.com Enumclaw, Washington USA...
- Page 32 10/17 / Catalog HY34-3000 Parker Hannifin Corporation Helac/Cylinder Division 225 Battersby Avenue Enumclaw, WA 98022 USA phone (360) 825-1601 fax (360) 825-1603 www.helac.com...
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