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PowerTilt Tilting Coupler

PowerTilt Series Service & Repair Manual

HY34-1410  

5

Parker Hannifin Corporation

Helac/Cylinder Division

Enumclaw, Washington USA

www.parker.com/helac

PowerTilt uses Helac innovative, sliding-spline 

operating technology to convert linear piston 

motion into powerful shaft rotation.  Each 

actuator is composed of a housing and two 

moving parts — the central shaft and piston.  

Helical spline teeth on the shaft engage matching 

teeth on the piston’s inside diameter. A second 

set of splines on the piston’s outside diameter 

mesh with the gear in the housing. 

Starting position

The piston is completely bottomed out. 

Bars indicate starting positions of piston 

and shaft. Arrows indicate directions they 

will rotate. The housing with integral ring 

gear remains stationary.

Ending position

When hydraulic pressure is applied to the 

piston, it moves axially, while the helical 

gearing causes the piston and shaft to 

rotate simultaneously. Applying pressure to 

the opposite port will return the piston and 

shaft to their original starting positions.

Introduction

Operation Technology

Содержание Helac PowerTilt PT Series

Страница 1: ...PowerTilt Series Service and Repair Manual...

Страница 2: ...Drawings Assembly Drawings 19 Piston Drawings 23 Exploded View 24 Parts List 25 Disassembly Component Identification 34 Product Inspection 35 Standard Pin on Coupler Removal 35 End Cap Lock Ring and...

Страница 3: ...ker com Helac PowerTilt a construction equipment attachment from Helac Corporation can increase the productivity profitability and versatility of backhoes or excavators by simply tilting the attachmen...

Страница 4: ...om engineered configurations can be provided PTA PTB Series The housing and shaft are designed for customization Ideal for integrating quick couplers at both the top and bottom PTA Series housing is d...

Страница 5: ...teeth on the piston s inside diameter A second set of splines on the piston s outside diameter mesh with the gear in the housing Starting position The piston is completely bottomed out Bars indicate...

Страница 6: ...s risk and may void the Helac Corporation Attachments Division warranty 3 PowerTilt is designed for a maximum bucket width as noted below Applying the full force of the excavator or backhoe to the co...

Страница 7: ...ring of mating structures fasteners and other associated components related to the installation of the product and its ultimate application 6 PowerTilt should be used in conjunction with attachments t...

Страница 8: ...ontact the respective coupler manufacturer for instructions and maintenance PT Series Installing the PowerTilt onto the Carrier All PowerTilt models should be mounted to the carrier according to the i...

Страница 9: ...he bucket for the first time the jacking bolt s on the back side of the hook require adjustment Loosen the jam nut and thread the bolt until it touches the pin then tighten the jam nut to lock the bol...

Страница 10: ...the Suggested Hose Routings Diagram on Page 12 for the recommended routings NOTICE The majority of PowerTilts delivered to customers in North America incorporate SAE type ports Customers outside of N...

Страница 11: ...ing on the geometry of the installation it may be advisable to cover the hoses with protective sheathing Connect hydraulic hoses to the appropriate ports using fittings as shown on Pages 16 through 20...

Страница 12: ...ilt Series Service Repair Manual HY34 1410 12 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Suggested Hose Routings Installation and Maintenance Hydr...

Страница 13: ...s 2 Make sure the grease reliefs are functioning properly Open or replace non functioning grease reliefs immediately NOTICE Never replace the grease relief valves with grease fittings or plugs NOTICE...

Страница 14: ...ith a dial indicator Rotate the PowerTilt all the way one direction and zero out the dial indicator while the PowerTilt is still pressurized Rotate the PowerTilt all the way the other direction Take t...

Страница 15: ...a measurement between the marks on the housing This method is not exact but can be useful to help determine where movement is coming from Air in the system or shaft endplay see next section can contr...

Страница 16: ...backlash that includes actual clearance between the internal splines seal movement and a small amount of oil compression If more backlash is noted on a new PowerTilt the cause is most likely air in t...

Страница 17: ...Refer to page 16 for proper port connection location PowerTilt has spongy feel side to side Air in PowerTilt or hydraulic circuit Diameter of tubing hoses larger or longer than recommended Bleed air...

Страница 18: ...er 7 Hex wrenches 8 Large socket wrench 9 Plastic or rubber mallet 10 Plastic mandrel 11 Pry bar 12 Safety glasses 13 Threaded bolts 14 Torque wrench NOTICE All fasteners are metric 1 2 3 5 6 7 8 14 1...

Страница 19: ...ing Coupler PowerTilt Series Service Repair Manual HY34 1410 19 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac SEE PAGE 20 SEE PAGE 20 Drawings PT Ass...

Страница 20: ...rTilt Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 20 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac 120 Drawings PT Assembly Draw...

Страница 21: ...Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 21 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac SEE PAGE 20 120 Drawings PTA Assemb...

Страница 22: ...Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 22 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac SEE PAGE 20 120 Drawings PTB Assemb...

Страница 23: ...g Coupler PowerTilt Series Service Repair Manual HY34 1410 23 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Service normally not required Drawings PT...

Страница 24: ...1410 24 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Housing with integral ring gear Piston sleeve assembly Shaft End cap Lock ring Standard pin on...

Страница 25: ...hardened 1 6364 1 106 Torque Foot Washer 1 74897 107 Grease Relief Valve Cover 2 9551021 120 Lock Ring Screw SHCS M12 1 75 045 Grade 12 9 6 936002 122 Grease Fitting Balcrank 5000 Lincoln 1 8 27 NPT...

Страница 26: ...Valve Cover 2 9551021 120 Lock ring Screw SHCS M12 1 75 045 Grade 12 9 8 965006 H 121 Cross Pin 6 mm x 8 mm harden 2 936002 122 Grease Fitting Balcrank 5000 Lincoln 1 8 27 NPT 2 938001 123 Grease Rel...

Страница 27: ...Year Made End Year Made Comment S67520 T73414 T79223 2005 2012 First number after T designates model size TC76017 TC76764 2009 2010 First number after TC designates model size 552242 955672 2012 2017...

Страница 28: ...22 106 Torque Foot Washer 1 74897 107 Grease Relief Valve Cover 2 9541022 120 Lock Ring Hex Screw HHCS M16 2 0 070 Grade 10 9 6 964011 121 Cross Pin 375 x 1 00 hardened 2 936002 122 Grease Fitting Bal...

Страница 29: ...ning Year Made End Year Made Comment S66935 T81946 T88791 2004 2012 First number after T designates model size 552277 900802 2012 2018 S N has no relation to model size Need to know model size A11098...

Страница 30: ...lemite 400 650 PSI 2 977015 124 Port Plug BSPP G1 4 hollow hex 2 9601007 125 Jacking Screw socket head set screw M24 3 00 070 Grade 10 9 1 9511001 126 Jam Nut M24 3 00 thin Grade 10 9 1 9601009 129 Lo...

Страница 31: ...964012 121 Cross Pin 375 x 1 25 hardened 2 936002 122 Grease Fitting Balcrank 5000 Lincoln 1 8 27 NPT 2 938001 123 Grease Relief Valve 50500 1 8 27 NPT Alemite 400 650 PSI 2 977015 124 Port Plug BSPP...

Страница 32: ...6 2 0 090 Grade 10 9 8 964015 121 Cross Pin 437 x 1 50 hardened 2 936002 122 Grease Fitting Balcrank 5000 Lincoln 1 8 27 NPT 2 938001 123 Grease Relief Valve 50500 1 8 27 NPT Alemite 400 650 PSI 2 977...

Страница 33: ...02 122 Grease Fitting Balcrank 5000 Lincoln 1 8 27 NPT 2 938001 123 Grease Relief Valve 50500 1 8 27 NPT Alemite 400 650 PSI 2 977023 124 Port Plug BSPP G1 4 hollow hex 4 9601007 125 Jacking Screw soc...

Страница 34: ...llowing sections are referring to items on Page 25 The PowerTilt is comprised of the following components 1 Housing with integral ring gear 2 Shaft 3 Piston sleeve assembly 4 End cap 5 Lock ring 6 Sta...

Страница 35: ...ews 104 4 Unthread and remove the lock ring screws 120 3 Secure the coupler using a hoist or similar device Make sure the PowerTilt is thoroughly cleaned prior to disassembly Continue to clean all mac...

Страница 36: ...off the standard pin on coupler 06 or feet 6 1 6 2 NOTICE There is an alignment dowel pin 105 between the shaft and the torque foot 6 1 to prevent sliding 5 Tighten the two lock ring set screws 129 i...

Страница 37: ...om helac 1 Unthread the port plug 101 on the end of the shaft to remove the cross port relief valve 413 3 Unthread the end cap 04 from the shaft 02 using two bolts and a pry bar 2 Remove the lock ring...

Страница 38: ...f the helical gearing Piston sleeve timing marks are best seen when the splined end of the piston sleeve is flush with the ring gear inside the housing 3 Remove the shaft 02 by rotating and sliding th...

Страница 39: ...check the timing marks of the housing ring gear 1 4 in relation to the piston sleeve assembly 2 Using a rubber or plastic hammer and mandrel gently tap the piston sleeve assembly 03 to disengage the...

Страница 40: ...all seals wear guides and thrust washers 344 from the piston sleeve assembly 03 end cap 04 and shaft 02 Note that several product models may not have wear guides on the I D and or O D of the piston s...

Страница 41: ...wash tank and dry with compressed air 2 Carefully inspect all critical areas Seal grooves wear guide grooves thrust surfaces shaft surfaces housing bore and gear teeth for any wear corrosion and any...

Страница 42: ...and machined surfaces with a high quality hydraulic oil NOTICE Replace all seals bearings and thrust washers 344 as required NOTICE The exact location and number of seals or bearings used varies by p...

Страница 43: ...of the thrust washer 344 with lithium grease and install on the thrust face of the end cap 04 3 Next install the O D pressure seal 238 with the lip facing inboard toward the hydraulic pressure 4 Then...

Страница 44: ...with cup seals 3 When used install the wear guide s on the O D and or I D 342 343 Piston Seal and Bearing Installation 1 Before installing the cup seals on some PowerTilt models remove the energizer...

Страница 45: ...elac 4 Now install the wear guides 340 341 2 Lightly coat both sides of the thrust washer 344 with Lithium grease and install onto the shaft 02 3 Then install the pressure seal 238 with the lip facing...

Страница 46: ...drel engage the piston sleeve 03 into the housing ring gear 1 4 Continue tapping until the piston sleeve bottoms out against the housing ring gear 1 Before installing the piston sleeve assembly 03 coa...

Страница 47: ...ith tape to prevent seal damage Remove the tape after the shaft has been installed 2 Insert the shaft 02 into the piston sleeve assembly 03 carefully aligning the timing marks on the shaft with the pi...

Страница 48: ...ment between the lock ring splines and the end cap 04 holes If the holes do not align thread the end cap by no more than one spline tooth to align the holes 4 Remove the two screws and tighten the end...

Страница 49: ...ifications 1 Reinstall the cross port relief valve 413 with new O rings and back up rings and torque to 60 Nm 2 Coat the shaft port plug 101 threads with Loctite 242 and install into the end of the sh...

Страница 50: ...Washington USA www parker com helac 1 Reinstall the lock ring 05 aligning the timing marks Then install and tighten two screws into the lock ring 05 to lock the end cap 04 and shaft 02 together 2 The...

Страница 51: ...the two screws and lock ring 05 4 Install the alignment dowel pin 105 into the torque foot 6 1 if it is not already in place 5 Then install the coupler 06 onto the shaft 02 Align the dowel pin 105 on...

Страница 52: ...9 Coat the lock ring screw 120 threads with Loctite 242 install and torque per the Fastener Torque Chart on Page 42 10 Coat the lock ring set screws 129 with Loctite 545 thread until tight and torque...

Страница 53: ...Values for Port Plugs Torque Values for Metric Fasteners Plug Size Torque Value Hollow Hex Head Plugs Nm Torque Value Hex Head Port Plugs Nm BSPP G1 8 14 1 14 1 BSPP G1 4 31 1 31 1 BSPP G3 8 65 4 65 4...

Страница 54: ...as necessary During testing it is recommended the PowerTilt be cycled 20 to 30 times to check for leaks and the proper degrees of rotation Testing the Carrier s Hydraulic System If symptoms of poor p...

Страница 55: ...d end cap seals as in Step 2 above Testing the Cross Port Relief Valve The integral cross port relief valve vents hydraulic oil around the internal piston assembly of the PowerTilt at approximately 21...

Страница 56: ...yer will ensure such end user complies with this paragraph 12 Use of Products Indemnity by Buyer Buyer shall comply with all instructions guides and specifications provided by Seller with the Quote or...

Страница 57: ...PowerTilt Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 57 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Notes...

Страница 58: ...PowerTilt Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 58 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Notes...

Страница 59: ...PowerTilt Tilting Coupler PowerTilt Series Service Repair Manual HY34 1410 59 Parker Hannifin Corporation Helac Cylinder Division Enumclaw Washington USA www parker com helac Notes...

Страница 60: ...Parker Hannifin Corporation Helac Cylinder Division 225 Battersby Avenue Enumclaw WA 98022 USA phone 360 825 1601 fax 360 825 1603 www parker com helac 3 22 HY34 1410...

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