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PowerTilt Tilting Coupler

PowerTilt Series Service & Repair Manual

HY34-1410 

56

Parker Hannifin Corporation

Helac/Cylinder Division

Enumclaw, Washington USA

www.parker.com/helac

Offer of Sale

The items described in this document and other documents and descriptions provided by Parker Hannifin Corporation, its subsidiaries and its authorized distributors (“Seller”) are hereby offered for sale at prices to be 

established by Seller. This offer and its acceptance by any customer (“Buyer”) shall be governed by all of the following Terms and Conditions. Buyer’s order for any item described in its document, when communicated to 

Seller verbally, or in writing, shall constitute acceptance of this offer. All goods, services or work described will be referred to as “Products”.

1. Terms. All sales of Products by Seller are expressly conditioned upon, and will be governed by the acceptance 

of, these Terms. These Terms are incorporated into any Quote provided by Seller to Buyer.  Buyer’s order for any 

Products whether communicated to Seller verbally, in writing, by electronic data interface or other electronic 

commerce, shall constitute acceptance of these Terms.  Seller objects to any contrary or additional terms or 

conditions of Buyer.  Reference in Seller’s order acknowledgement to Buyer’s purchase order or purchase 

order number shall in no way constitute an acceptance of any of Buyer’s terms or conditions of purchase.  No 

modification to these Terms will be binding on Seller unless agreed to in writing and signed by an authorized 

representative of Seller.
2. Price; Payment. The Products set forth in the Quote are offered for sale at the prices indicated in the Quote. 

Unless otherwise specifically stated in the Quote, prices are valid for thirty (30) days and do not include any 

sales, use, or other taxes or duties. Seller reserves the right to modify prices at any time to adjust for any 

raw material price fluctuations.  Unless otherwise specified by Seller, all prices are F.C.A. Seller’s facility 

(INCOTERMS 2020).  All sales are contingent upon credit approval and full payment for all purchases is due 

thirty (30) days from the date of invoice (or such date as may be specified in the Quote).  Unpaid invoices beyond 

the specified payment date incur interest at the rate of 1.5% per month or the maximum allowable rate under 

applicable law.
3. Shipment; Delivery; Title and Risk of Loss. All delivery dates are approximate, and Seller is not responsible 

for damages resulting from any delay.  Regardless of the manner of shipment, delivery occurs and title and risk 

of loss or damage pass to Buyer, upon placement of the Products with the carrier at Seller’s facility. Unless 

otherwise agreed prior to shipment and for domestic delivery locations only, Seller will select and arrange, 

at Buyer’s sole expense, the carrier and means of delivery. When Seller selects and arranges the carrier and 

means of delivery, freight and insurance costs for shipment to the designated delivery location will be prepaid 

by Seller and added as a separate line item to the invoice.  Buyer shall be responsible for any additional shipping 

charges incurred by Seller due to Buyer’s acts or omissions.  Buyer shall not return or repackage any Products 

without the prior written authorization from Seller, and any return shall be at the sole cost and expense of Buyer.
4. Warranty. The warranty for the Products is as follows: (i) Goods are warranted against defects in material or 

workmanship for a period of eighteen (18) months from the date of delivery or 2,000 hours of use, whichever 

occurs first; (ii) Services shall be performed in accordance with generally accepted practices and using the 

degree of care and skill that is ordinarily exercised and customary in the field to which the Services pertain and 

are warranted for a period of six (6) months from the date of completion of the Services; and (iii) Software is only 

warranted to perform in accordance with applicable specifications provided by Seller to Buyer for ninety (90) 

days from the date of delivery or, when downloaded by a Buyer or end-user, from the date of the initial down-

load.  All prices are based upon the exclusive limited warranty stated above, and upon the following disclaimer: 

EXEMPTION CLAUSE; DISCLAIMER OF WARRANTY, CONDITIONS, REPRESENTATIONS:  THIS WARRANTY 

IS THE SOLE AND ENTIRE WARRANTY, CONDITION, AND REPRESENTATION, PERTAINING TO PRODUCTS. 

SELLER DISCLAIMS ALL OTHER WARRANTIES, CONDITIONS, AND REPRESENTATIONS, WHETHER 

STATUTORY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THOSE RELATING TO DESIGN, 

NONINFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. SELLER DOES NOT 

WARRANT THAT THE SOFTWARE IS ERROR-FREE OR FAULT-TOLERANT, OR THAT BUYER’S USE THEREOF 

WILL BE SECURE OR UNINTERRUPTED.  UNLESS OTHERWISE AUTHORIZED IN WRITING BY SELLER, 

THE SOFTWARE SHALL NOT BE USED IN CONNECTION WITH HAZARDOUS OR HIGH RISK ACTIVITIES OR 

ENVIRONMENTS.  EXCEPT AS EXPRESSLY STATED HEREIN, ALL PRODUCTS ARE PROVIDED “AS IS”.
5. Claims; Commencement of Actions. Buyer shall promptly inspect all Products upon receipt.  No claims for 

shortages will be allowed unless reported to Seller within ten (10) days of delivery. Buyer shall notify Seller of 

any alleged breach of warranty within thirty (30) days after the date the non-conformance is or should have been 

discovered by Buyer.  Any claim or action against Seller based upon breach of contract or any other theory, 

including tort, negligence, or otherwise must be commenced within twelve (12) months from the date of the 

alleged breach or other alleged event, without regard to the date of discovery.
6. LIMITATION OF LIABILITY. IN THE EVENT OF A BREACH OF WARRANTY, SELLER WILL, AT ITS OPTION, 

REPAIR OR REPLACE THE NON-CONFORMING PRODUCT, RE-PERFORM THE SERVICES, OR REFUND THE 

PURCHASE PRICE PAID WITHIN A REASONABLE PERIOD OF TIME. IN NO EVENT IS SELLER LIABLE FOR ANY 

SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING ANY LOSS OF REVENUE OR 

PROFITS, WHETHER BASED IN CONTRACT, TORT OR OTHER LEGAL THEORY.  IN NO EVENT SHALL SELLER’S 

LIABILITY UNDER ANY CLAIM MADE BY BUYER EXCEED THE PURCHASE PRICE PAID FOR THE PRODUCTS.
7. Confidential Information. Buyer acknowledges and agrees that any technical, commercial, or other con-

fidential information of Seller, including, without limitation, pricing, technical drawings or prints and/or part 

lists, which has been or will be disclosed, delivered or made available, whether directly or indirectly, to Buyer 

(“Confidential Information”), has been and will be received in confidence and will remain the property of Seller. 

Buyer further agrees that it will not use Seller’s Confidential Information for any purpose other than for the 

benefit of Seller. 
8. Loss to Buyer’s Property. Any tools, patterns, materials, equipment or information furnished by Buyer or 

which are or become Buyer’s property (“Buyer’s Property”), will be considered obsolete and may be destroyed 

by Seller after two (2) consecutive years have elapsed without Buyer ordering the Products manufactured using 

Buyer’s Property. Furthermore, Seller shall not be responsible for any loss or damage to Buyer’s Property while 

it is in Seller’s possession or control.
9. Special Tooling. “Special Tooling” includes but is not limited to tools, jigs, fixtures and associated manu-

facturing equipment acquired or necessary to manufacture Goods. Seller may impose a tooling charge for any 

Special Tooling. Such Special Tooling shall be and remain Seller’s property notwithstanding payment of any 

charges by Buyer. In no event will Buyer acquire any interest in the Special Tooling, even if such Special Tooling 

has been specially converted or adapted for manufacture of Goods for Buyer and notwithstanding any charges 

paid by Buyer. Unless otherwise agreed, Seller has the right to alter, discard or otherwise dispose of any Special 

Tooling or other property owned by Seller in its sole discretion at any time.
10. Security Interest. To secure payment of all sums due from Buyer, Seller retains a security interest in all 

Products delivered to Buyer and, Buyer’s acceptance of these Terms is deemed to be a Security Agreement 

under the Uniform Commercial Code. Buyer authorizes Seller as its attorney to execute and file on Buyer’s 

behalf all documents Seller deems necessary to perfect Seller’s security interest. 
11. User Responsibility. Buyer, through its own analysis and testing, is solely responsible for making the final 

selection of the Products and assuring that all performance, endurance, maintenance, safety and warning 

requirements of the application of the Products are met.  Buyer must analyze all aspects of the application and 

follow applicable industry standards, specifications, and any technical information provided with the Quote 

or the Products, such as Seller’s instructions, guides and specifications.  If Seller provides options of or for 

Products based upon data or specifications provided by Buyer, Buyer is responsible for determining that such 

data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the 

Products.  In the event Buyer is not the end-user of the Products, Buyer 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 the Products. Unauthorized Uses. If Buyer uses or resells the Products in 

any way prohibited by Seller’s instructions, guides or specifications, or Buyer otherwise fails to comply with 

Seller’s instructions, guides and specifications, Buyer acknowledges that any such use, resale, or non-compli-

ance is at Buyer’s sole risk.  Further, Buyer shall indemnify, defend, and hold Seller harmless from any losses, 

claims, liabilities, damages, lawsuits, judgments and costs (including attorney fees and defense costs), whether 

for personal injury, property damage, intellectual property infringement or any other claim, arising out of or in 

connection with: (a) improper selection, design, specification, application, or any misuse of Products; (b) any 

act or omission, negligent or otherwise, of Buyer; (c) Seller’s use of patterns, tools, equipment, plans, drawings, 

designs, specifications or other information or things furnished by Buyer; (d) damage to the Products from an 

external cause, repair or attempted repair by anyone other than Seller, failure to follow instructions, guides and 

specifications provided by Seller, use with goods not provided by Seller, or opening, modifying, deconstructing, 

tampering with or repackaging the Products; or (e) Buyer’s failure to comply with these Terms.  Seller shall not 

indemnify Buyer under any circumstance except as otherwise provided in these Terms.
13. Cancellations and Changes. Buyer may not cancel or modify, including but not limited to movement of 

delivery dates for the Products, any order for any reason except with Seller’s written consent and upon terms 

that will indemnify, defend and hold Seller harmless against all direct, incidental and consequential loss or 

damage and any additional expense. Seller, at any time, may change features, specifications, designs and 

availability of Products.
14. Limitation on Assignment. Buyer may not assign its rights or obligations without the prior written consent 

of Seller.
15. Force Majeure. Seller is not liable for delay or failure to perform any of its obligations by reason of events or 

circumstances beyond its reasonable control.  Such circumstances include without limitation: accidents, labor 

disputes or stoppages, government acts or orders, acts of nature, pandemics, epidemics, other  widespread 

illness, or public health emergency, delays or failures in delivery from carriers or suppliers, shortages of mate-

rials, war (whether declared or not) or the serious threat of same, riots, rebellions, acts of terrorism, fire or any 

reason whether similar to the foregoing or otherwise.  Seller will resume performance as soon as practicable 

after the event of force majeure has been removed. All delivery dates affected by force majeure shall be tolled 

for the duration of such force majeure and rescheduled for mutually agreed dates as soon as practicable after 

the force majeure condition ceases to exist. Force majeure shall not include financial distress, insolvency, bank-

ruptcy, or other similar conditions affecting one of the parties, affiliates and/or sub-contractors.
16. Waiver and Severability. Failure to enforce any provision of these Terms will not invalidate that provision; 

nor will any such failure prejudice either party’s right to enforce that provision in the future.  Invalidation of any 

provision of these Terms shall not invalidate any other provision herein and, the remaining provisions will remain 

in full force and effect.
17. Termination. Seller may terminate any agreement governed by or arising from these Terms for any reason and 

at any time by giving Buyer thirty (30) days prior written notice.  Seller may immediately terminate, in writing, 

if Buyer: (a) breaches any provision of these Terms, (b) becomes or is deemed insolvent, (c) appoints or has 

appointed a trustee, receiver or custodian for all or any part of Buyer’s property, (d) files a petition for relief 

in bankruptcy on its own behalf, or one is filed against Buyer by a third party, (e) makes an assignment for the 

benefit of creditors; or (f) dissolves its business or liquidates all or a majority of its assets.
18. Ownership of Software. Seller retains ownership of all Software supplied to Buyer hereunder. In no event 

shall Buyer obtain any greater right in and to the Software than a right in the nature of a license limited to the use 

thereof and subject to compliance with any other terms provided with the Software.
19. Indemnity for Infringement of Intellectual Property Rights. Seller is not liable for infringement of any patents, 

trademarks, copyrights, trade dress, trade secrets or similar rights (“Intellectual Property Rights”) except as 

provided in this Section. Seller will defend at its expense and will pay the cost of any settlement or damages 

awarded in an action brought against Buyer based on a third party claim that one or more of the Products sold 

hereunder infringes the Intellectual Property Rights of a third party in the country of delivery of the Products by 

Seller to Buyer. Seller’s obligation to defend and indemnify Buyer is contingent on Buyer notifying Seller within 

ten (10) days after Buyer becomes aware of any such claim, and Seller having sole control over the defense of 

the claim including all negotiations for settlement or compromise. If one or more Products sold hereunder is 

subject to such a claim, Seller may, at its sole expense and option, procure for Buyer the right to continue using 

the Products, replace or modify the Products so as to render them non-infringing, or offer to accept return of the 

Products and refund the purchase price less a reasonable allowance for depreciation. Seller has no obligation 

or liability for any claim of infringement: (i) arising from information provided by Buyer; or (ii) directed to any 

Products provided hereunder for which the designs are specified in whole or part by Buyer; or (iii) resulting from 

the modification, combination or use in a system of any Products provided hereunder. The foregoing provisions 

of this Section constitute Seller’s sole and exclusive liability and Buyer’s sole and exclusive remedy for claims 

of infringement of Intellectual Property Rights.
20. Governing Law. These Terms and the sale and delivery of all Products are deemed to have taken place in, and 

shall be governed and construed in accordance with, the laws of the State of Ohio, as applicable to contracts 

executed and wholly performed therein and without regard to conflicts of laws principles. Buyer irrevocably 

agrees and consents to the exclusive jurisdiction and venue of the courts of Cuyahoga County, Ohio with respect 

to any dispute, controversy or claim arising out of or relating to the sale and delivery of the Products. 
21. Entire Agreement. These Terms, along with the terms set forth in the main body of any Quote, forms the 

entire agreement between the Buyer and Seller and constitutes the final, complete and exclusive expression of 

the terms of sale and purchase.  In the event of a conflict between any term set forth in the main body of a Quote 

and these Terms, the terms set forth in the main body of the Quote shall prevail.  All prior or contemporaneous 

written or oral agreements or negotiations with respect to the subject matter shall have no effect.  These Terms 

may not be modified unless in writing and signed by an authorized representative of Seller.
22. Compliance with Laws. Buyer agrees to comply with all applicable laws, regulations, and industry and pro-

fessional standards, including  those of the United States of America, and the country or countries in which 

Buyer may operate, including without limitation the U.S. Foreign Corrupt Practices Act (“FCPA”), the U.S. Anti-

Kickback Act (“Anti-Kickback Act”), U.S. and E.U. export control and sanctions laws (“Export Laws”), the U.S. 

Food Drug and Cosmetic Act (“FDCA”), and the rules and regulations promulgated by the U.S. Food and Drug 

Administration (“FDA”), each as currently amended.  Buyer agrees to indemnify, defend, and hold harmless 

Seller from the consequences of any violation of such laws, regulations and standards by Buyer, its employees 

or agents.  Buyer acknowledges that it is familiar with all applicable provisions of the FCPA, the Anti-Kickback 

Act, Export Laws, the FDCA and the FDA and certifies that Buyer will adhere to the requirements thereof and 

not take any action that would make Seller violate such requirements.  Buyer represents and agrees that Buyer 

will not make any payment or give anything of value, directly or indirectly, to any governmental official, foreign 

political party or official thereof, candidate for foreign political office, or commercial entity or person, for any 

improper purpose, including the purpose of influencing such person to purchase Products or otherwise benefit 

the business of Seller.  Buyer further represents and agrees that it will not receive, use, service, transfer or ship 

any Products from Seller in a manner or for a purpose that violates Export Laws or would cause Seller to be in 

violation of Export Laws.  Buyer agrees to promptly and reliably provide Seller all requested information or doc-

uments, including end-user statements and other written assurances, concerning Buyer’s ongoing compliance 

with Export Laws.  8/20

Summary of Contents for Helac PowerTilt Series

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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