Chelsea® Power Take-Off
Contents
1. 13 Lubricate a new ball bearing 73 and install it into the bearing cap 14 Use a soft mallet and a proper driver to do this 12 Install the spacer 2 Fig 12 Fig 13 s Figure 12 Figure 13 18 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 15 Position the bearing cap over the output shaft Support the shaft assembly in a press being careful not to damage it Using an appropriate driver press on the inner bearing race until 14 Secure the bearing with a new retaining ring 47 Fig 14 resistance is felt Fig 15 e 4 Figure 14 Figure 15 17 Lubricate a new bearing cap oil seal 22 Then using an 16 Secure the assembly with a new retaining ring 45 appropriate driver and a soft mallet or press install it into the Fig 16 bearing cap 14 Fig 17 Figure 16 Figure 17 19 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series XD Output Only 19 Lubricate a new needle bearing 75 and install it into the Chelsea P T O housing 1 Using a proper driver will help ensure that the bearing is seated properly Press on the flat side of the bearing The rounded side of the bearing should face away from the housing Fig 18 18A 18B amp 18C Figure 18B Figure 18C 20 Park2. 91 22 6513 7081 85 JP Japan Fujisawa Tel 81 0 4 6635 3050 KR South Korea Seoul Tel 82 2 559 0400 MY Malaysia Shah Alam Tel 60 3 7849 0800 2 New Zealand Mt Wellington Tel 64 9 574 1744 SG Singapore Tel 65 6887 6300 TH Thailand Bangkok Tel 662 717 8140 TW Taiwan New Taipei City Tel 886 2 2298 8987 South America AR Argentina Buenos Aires Tel 54 3327 44 4129 BR Brazil Cachoeirinha RS Tel 55 51 3470 9144 CL Chile Santiago Tel 56 2 623 1216 Pan Am Miami Tel 1 305 470 8800 Parker Hannifin Corporation Chelsea Products Division 8225 Hacks Cross Road Olive Branch Mississippi 38654 USA Tel 662 895 1011 Fax 662 895 1069 www parker com chelsea aE
3. Electrical Ground of Cab or Frame 379254 17 14 Gauge Wire w Fork Terminal Blue Wire Butt Connector Accepts 410 Screw 379306 Spade Terminal Red Wire Black Wire Indicator Light 378881 Switch 379005 24 Volt 379978 12 Volt 379502 Pressure Switch 379900 Fuse See Hose Chart Splice Connector i Page 29 379486 90 Fitting Positive Terminal of Ce mag in Transmission Ignition or Battery High Pressure Port MD Left or Right Side R Lubrication Option HD Left Side Only 278 Series 26 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual TROUBLESHOOTING 277 278 Series Pressure Port and Aperture Opening Identification 1 These drawings represent left and right views of the MD and HD pressure ports on the transmission MAIN PRESS PORT 438 20UNF 2A af 175 255 P S I BOTH SIDES MAIN PRESS PORT 458 2UUNF 2 LE I GB TEETH ALLISON PAD MAIN PRESS PORT 438 20UNF 2A 97 LEFT SIDE ONLY ALLISON PAD Hose Specifications by Transmission LOCATION 271 Series 278 Series L H Side Left Press Port 329130 5 329130 5 Side Right Press Port 329075 1 329075 1 Top Right Left Press Port 329075 2 329075 2X An HD with 2 P T O s requires a 379556 fitting and a 379703 swivel nut 90 degree elbow to a
4. Italy Corisico MI Tel 39 02 45 19 21 parker italy parker com KZ Kazakhstan Almaty Tel 7 7273 561 000 parker easteurope parker com NL The Netherlands Oldenzaal Tel 31 0 541 585 000 parker nl parker com NO Norway Asker Tel 47 66 75 34 00 parker norway parker com PL Poland Warsaw Tel 48 0 22 573 24 00 parker poland parker com PT Portugal Leca de Palmeira Tel 351 22 999 7360 parker portugal parker com RO Romania Bucharest Tel 40 21 252 1382 parker romania parker com RU Russia Moscow Tel 7 495 645 2156 parker russia parker com SE Sweden Spanga Tel 46 0 8 59 79 50 00 parker sweden parker com SK Slovakia Banska Bystrica Tel 421 484 162 252 parker slovakia parker com SL Slovenia Novo Mesto Tel 386 7 337 6650 parker sloveniaQparker com TR Turkey Istanbul Tel 90 216 4997081 parker turkey parker com UA Ukraine Kiev Tel 380 44 494 2731 parker ukraine parker com UK United Kingdom Warwick Tel 44 0 1926 317 878 parker uk parker com ZA South Africa Kempton Park Tel 27 0 11 961 0700 parker southafrica parker com North America CA Canada Milton Ontario Tel 1 905 693 3000 MX Mexico Toluca Tel 52 72 2275 4200 Asia Pacific AU Australia Castle Hill Tel 61 0 2 9634 7777 CN China Shanghai Tel 86 21 2899 5000 Hong Kong Tel 852 2428 8008 IN India Mumbai Tel
5. person working on or under a vehicle Never operate the controls of the power take off or other driven equipment from any position that could result in getting caught in the moving machinery A Warning Proper Matching of P T O A Power Take Off must be properly matched to the vehicle transmission and to the auxiliary equipment being powered An improperly matched Power Take Off could cause severe damage to the vehicle transmission the auxiliary driveshaft and or to the auxiliary equipment being powered Damaged components or equipment could malfunction causing serious personal injury to the vehicle operator or to others nearby To avoid personal injury and or equipment damage Service Manual 277 278 Series e Always refer to Chelsea catalogs literature and owners manuals and follow Chelsea recommendations when selecting installing repairing or operating a Power Take Off e Never attempt to use a power take off not specifically recommended by Chelsea for the vehicle transmission e Always match the Power Take Offs specified output capabilities to the requirements of the equipment to be powered Never use a Power Take Off whose range of speed could exceed the maximum safe speed of the equipment to be powered A Warning Cold Weather Operation of Power Shift P T O s During extreme cold weather operation 32 F 0 C and lower a disengaged Powershift Power Take Off can momentarily transmit high torque that wil
6. Valve amp Cap Assembly 2 1 or 329352 24X Valve amp Cap Assembly GAN 1 A 34 P 278 NA SG AD RT 1 B 28 P 119 IER TR SUN ___ 1 378811 UII earned E 1 378849 Relaining RINO E 1 E 379565 Capscrew 250 20 x 750 plar E REESE 4 F 329144X 1 or 329144 1X Valve Cap Cover 24V iai dria ved ka Cad Rid 1 G 28 P 193 cerns exec enn 1 H 379604 1 pili Ruua 1 or 379604 2 Hydraulic Valve 24V NEE 1 39 329442 12X Valve amp Cap Assembly 12V KV Pitch 1 or 329442 24X Valve amp Cap Assembly 24V KV Pitch Onhy 1 329463 12X Valve amp Cap Assembly 12V FJ Pitch On 1 or 329463 24X Valve amp Cap Assembly 24V FJ Pitch On 1 A 34 P 143 7 29 M H H 1 B 28 P 119 Ol Seal Mi Pressure MENT T 1 C 378811 CI E 1 D 378849 1 378447 6 Sockethead Capscrew 312 18 x 1 00 1 F 379995 Clamp KV Included RE RENE 1 or 380012 Clamp FJ used with 380011 Vahye nennen 1 3801
7. responsible for any damages resulting from any delay Regardless of the manner of shipment title to any products and risk of loss or damage shall pass to Buyer upon placement of the products with the shipment carrier at Seller s facility Unless otherwise stated Seller may exercise its judgment in choosing the carrier and means of delivery No deferment of shipment at Buyers request beyond the respective dates indicated will be made except on terms that will indemnify defend and hold Seller harmless against all loss and additional expense Buyer shall be responsible for any additional shipping charges incurred by Seller due to Buyer s acts or omissions 4 Warranty Parker Chelsea warrants that all products sold conform to the applicable Parker Chelsea standard specification for the lesser period of A 2 years 24 Months from Date of service or 2 1 2 years 30 Months from date of build as marked on the product name plate B Except 590 Series 1 year 12 Months from Date of service or 1200 hours of usage The prices charged for Seller s products are based upon the exclusive limited warranty stated above and uponthe following disclaimer DISCLAIM ER OF WARRANTY THIS WARRANTY COM PRISES THE SOLE AND ENTIRE WARRANTY PERTAIN ING TO PRODUCTS PROVIDED HEREUNDER SELLER DISCLAIMS ALL OTHER WARRANTIES EXPRESS AND IMPLIED INCLUDING DESIGN MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5 Claims Commencement of Actions Buyer shall promptly
8. 0972 75 Press it into the output gear 32 using a press and an appropriate driver Fig 3 4 Install the output gear 32 Fig 4 E 3 Figure 3 Figure 4 16 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 5 Install a thrust washer 27 Secure the assembly with a new retaining ring 46 Fig 5 amp 5A Figure 5 Figure 5A 6 Lubricate the metal clutch plates 36F Then starting with a friction disc which has teeth on the inner diameter alternately stack all the friction discs 36e and clutch plates which have teeth on the outer diameter on the shaft Fig 6 7 Install the two O Rings 36d on the shaft Fig 7 Figure 6 Figure 7 9 Lubricate a new block vee ring 36h and position it on the piston 36g The open face of the ring should face toward the 8 Install the return spring 36b Fig 8 clutch back up cylinder 36j Fig 9 Figure 8 Figure 9 17 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 11 Compress the piston and clutch assembly down past the 10 Install the piston 36j centering it over the spring Install the retaining ring groove Install a new retaining ring 36k back up cylinder 369 Fig 10 Fig 11 Figure 10 Figure 11
9. 2 Kgm Next sealing compounds It could affect the correct operation of the install the washer 8 and retaining ring 9 Fig 29 transmission Fig 30 Figure 29 Figure 30 23 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 32 Attach the valve assembly to the P T O housing Tighten the three capscrews 41 and torque them to 16 20 Lbs ft 22 27 N m or 2 2 2 8 Kgm Fig 31 amp 31A Figure 31 Figure 31A 33 While holding the input gear turn the output shaft If everything is assembled correctly the shaft will turn freely Next roll the gears They should roll freely No side to side wobble should occur if the unit is assembled correctly 34 There is no end play to check with this unit This Chelsea P T O Fig 32 is ready for action Fig 33 Figure 32 Figure 33 24 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 18 Use a soft mallet to install a new woodruff key 63 into the output shaft Fig 34 Figure 34 25 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual TROUBLESHOOTING 277 278 Series Powershift P T O s 277 278 Series Chelsea Powershift P T O s are different from shiftable gear units be
10. 24 14 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 25 Press the remaining needle bearing 75 from the housing 26 Inspect the housing 1 for deep grooves gouges and cracks Important this bearing will be damaged during removal Make sure sealing surfaces are smooth and that the slotted pin Replace it with a new one Fig 25 64 is in place Replace the housing if necessary Fig 26 Figure 25 Figure 26 27 Chelsea strongly recommends that you replace all used retaining rings O Rings seals bearings and gaskets with new ones during P T O service Also replace any worn or damaged components you found during disassembly Fig 27 28 Clean all reusable components Fig 28 Figure 27 Figure 28 15 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series Output Bearing and Clutch Pack 1 If the spacer and retaining ring 46 were removed from the 2 Lubricate the output shaft 36a Secure it in a vise making shaft earlier replace them with new ones now Fig 1 certain not to scratch it Install the clutch gear 36c Fig 2 Figure 2 New Style Shaft Does not Require Figure 1 3 Lubricate a new needle bearing part number 56
11. 24 Clamp FJ used with 2901223Vahye nennen nnns 1 G 379993 12 Hydraulic Valve 12V KV White 1 or 379993 24 Hydraulic Valve 24V KV Black CGonpnechor 1 380011 12 Hydraulic Valve 12V FJ White Side 1 or 380011 24 Hydraulic Valve 24V FJ Black Side 1 380123 12 Hydraulic Valve 12V FJ White Connector Top New Style 1 or 380123 24 Hydraulic Valve 24V FJ Black Connector Top New Style 1 13 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series Input Gear Sub Assembly 23 Push the idler shaft 6 from the housing It can only be removed from the direction shown here If it sticks support the P T O Then use a punch and soft mallet to gently tap the shaft from the housing Replace it if it is nicked or scratched Inspect the shaft O Ring for nicks or cuts replace if necessary 24 22 Next remove the NWD plug 59 Fig 22 Fig 23 Figure 22 Figure 23 24 Remove the input gear 4 and two spacers 10 Remove the two tapped bearing cones 74 from the gear Inspect gear races and teeth for cracks nicks heat signs or other damage Replace if necessary Fig 24 Figure
12. Must be Purchased Separately 2 Hoses to be Purchased Separately 3 379486 Elbow Will Not Install on the CX31 Left Hand Driver Side Oil Port Due to Transmission Interference On CX28 379486 Elbow will Fit on LHS Port 4 f 379486 is Listed as Transmission Fitting for Rear Location for CX31 Route Hose Along Right Hand passenger Side of Transmission and Under Transmission Output Yoke For the CX28 Route Hose Under the ECM 29 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual TORQUE CHART 277 278 Series LOCATION TORQUE ENGLISH TORQUE METRIC NWD Plug 120 156 In Lbs 14 18 N m Bearing Cap Closed Open 24 28 Lbs ft 33 39 N m RG 378447 6 Qty 4 16 20 Lbs ft 22 27 RC and 378446 4 Qty 6 8 12 Lbs ft 11 16 Num 378447 8 Qty 4 16 20 Lbs ft 22 27 N m Valve Cap Assembly 24 28 Lbs ft 33 39 N m Hydraulic Valve Clamp 96 120 In Lbs 11 13 Shaft Nut XV 378435 7 75 85 Lbs ft 102 115 N m 30 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA 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 Sell
13. SEMBLY 277 278 Series A Warning during service on a parts can unexpectantly fly up This could injure eyes or exposed skin To help prevent injury wear safety glasses and protective clothing while servicing any P T O Also use a shield when pressing bearings 1 Before disassembling any Chelsea P T O inspect it for clues to the failure Do this now so you don t lose valuable evidence during disassembly Check the case for wear or damage Gears should spin freely with no side to side movement The output shaft should turn with no radial movement As disassembly continues inspect all parts for clues to the cause of the failure Fig 1 Figure 1 Output Bearing and Clutch Pack 2 Remove the four bearing cap capscrews 43 Lift the bearing cap 14 gasket 19 and clutch assembly from the housing Fig 2 amp 2A Figure 2 Figure 2A 6 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 3 Place the assembly in a soft jawed vise Support the shaft above the bearing surface Fig 3 Figure 3 4 Use a screwdriver Fig 4 or a seal remover Fig 4A to pry the oil seal 22 from the bearing cap Important this seal will be damaged during removal Replace it with a new one Figure 4 Figure 4A 6 Support the assembly directly underneath the bearing cap 5 Remove the retaining ring 45 from the out
14. aerospace climate control electromechanical Chelsea Power Take Off filtration fluid amp gas handling 277 278 Series Service Manual hydraulics pneumatics process control sealing amp shielding Darker Chelsea ENGINEERING YOUR SUCCESS CHELSEA N WARNING FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH PERSONAL INJURY AND PROPERTY DAMAGE This document and other information from Parker Hannifin Corporation its subsidiaries and authorized distributors provide product and or system options for further investigation by users having technical expertise It is important that you analyze all aspects of your application and review the information concerning the product or system in the current product catalog Due to the variety of operating conditions and applications for these products or systems the user through its own analysis and testing is solely responsible for making the final selection of the products and systems and assuring that all performance safety and warning requirements of the application are met The products described herein including without limitation product features specifications designs availability and pricing are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice Offer of Sale The items described in this document are hereby offered for sale by Parker Hannifin Corpor
15. ary driveshaft whenever possible If an auxiliary driveshaft is used and remains exposed after installation it is the responsibility of the vehicle designer and installer to install a guard Service Manual 277 278 Series 2 A Warning Using Set Screws Auxiliary driveshafts may be installed with either recessed or protruding set screws If you choose a square head set screw you should be aware that it will protrude above the hub of the yoke and may be a point where clothes skin hair hands etc could be snagged A socket head screw which may not protrude above the hub of the yoke does not permit the same amount of torquing as does a square head set screw Also a square head set screw if used with a lock wire will prevent loosening of the screw caused by vibration Regardless of the choice made with respect to a set screw an exposed rotating auxiliary driveshaft must be guarded Important Safety Information and Owners Manual Chelsea Power Take Offs are packaged with safety information decals instructions and an owner s manual These items located in the envelope with the P T O mounting gaskets Also safety information and installation instructions are packaged with some individual parts and kits Be sure to read the owner s manual before installing or operating the P T O Always install the safety information decals according to the instructions provided Place the owners manual in the vehicle glove c
16. ation Chelsea Products Division Olive Branch MS 38654 USA Parker Worldwide Europe Middle East Africa AE United Arab Emirates Dubai Tel 971 4 8127100 parker meQparker com AT Austria Wiener Neustadt Tel 43 0 2622 23501 0 parker austria parker com AT Eastern Europe Wiener Neustadt Tel 43 0 2622 23501 900 parker easteurope parker com AZ Azerbaijan Baku Tel 994 50 22 33 458 parker azerbaijan parker com BE LU Belgium Nivelles Tel 32 0 67 280 900 parker belgium parker com BG Bulgaria Sofia Tel 359 2 980 1344 parker bulgaria parker com BY Belarus Minsk Tel 375 17 209 9399 parker belarus parker com CH Switzerland Etoy Tel 41 0 21 821 87 00 parker switzerland parker com CZ Czech Republic Klecany Tel 420 284 083 111 parker czechrepublic parker com DE Germany Kaarst Tel 49 0 2131 4016 0 parker germany parker com DK Denmark Ballerup Tel 45 43 56 04 00 parker denmark parker com ES Spain Madrid Tel 34 902 330 001 parker spain parker com FI Finland Vantaa Tel 358 0 20 753 2500 parker finland parker com FR France Contamine s Arve Tel 33 0 4 50 25 80 25 parker france parker com GR Greece Athens Tel 30 210 933 6450 parker greece parker com HU Hungary Budaoers Tel 36 23 885 470 parker hungary parker com LL EL tese IE Ireland Dublin Tel 353 0 1 466 6370 parker ireland parker com IT
17. ation its subsidiaries or its authorized distributors This offer and its acceptance are governed by the provisions stated in the Offer of Sale Copyright 2014 Parker Hannifin Corporation All Rights Reserved Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Chelsea The First Name In Reliability And Simplicity For reliable operation easy installation and quick serviceability the first name in Power Take Offs is Chelsea Just look at the benefits the Chelsea 277 278 Powershift P T O offers During installation a special supplied gasket eliminates the need to set backlash The internal lubrication of this unit reduces plumbing And the dependable weather tight electrical connections ensure greater unit reliability while reducing wiring time Servicing this unit is a snap too The slip fit idler shaft tapered bearing cones and clutch pack unit are all easily removed and installed Plus there is only one assembly arrangement to service Quick Easy Reliable When you need all three there is only one choice Chelsea The first name in Power Take Offs Table of Contents E Ec 1 2 Exploded View un MEINEM 3 Sub Assembly Shaft Brake scccciisccinisaciscatvscsndenancsieanesscyiuavasaynactbadeiaaatadiaraencaucaivssdsonsthadeisaunsdionatuadudatunessaauitadudsiunsdionadsrdsubinddsueabha
18. cause they are hydraulically controlled The hydraulics are taken from the automatic transmissions which use hydraulic flow and pressure and have external ports to supply hydraulic fluid to the Power Take Off For port locations on various transmission models see page 27 Hydraulic oil is controlled from the transmission ports to engage or disengage the Power Take Off and lubricate the idler shaft bearings The engagement disengagement of the P T O is actuated by an electrically controlled solenoid valve Hoses must be clear of obstructions and the engine must be at idle or below 1000 upon engagement When engaged the solenoid transfers automatic transmission fluid to the P T O which engages the P T O clutch pack making the output shaft turn This step is critical to P T O life A low pressure supply or excessive engine speed at engagement will cause the clutch discs of the clutch pack to slip and burn up Lubrication of the idler shaft is accomplished through an internal lube passage from the solenoid valve to the P T O idler shaft Shift Installation Kit 277 amp 278 Series without Electronic Overspeed Control SK 347 Rev E NOTE Pre 2005 Connect to J1 6 or Wire 106 2005 and Later Connect to 43 TCM or Wire 143 329024 12X 12V Installation Kit 379265 G t 329024 24X 24V Installation Kit bu KB oni os dee N 379504 Valve Connection K Red Wire Run Wires Through SEN Grommet in Firewall
19. d assuring that all performance endurance maintenance safety and warning requirements of the application are met The user must analyze all aspects of the application and follow applicable industry standards and Product information If Seller provides Product or system options the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the Products or systems 8 Loss to Buyer s Property Any designs tools patterns materials drawings confidential information or equipment furnished by Buyer or any other items which become Buyer s property will be considered obsolete and may be destroyed by Seller after two consecutive years have elapsed without Buyer ordering the items manufactured using such property Seller shall not be responsible for any loss or damage to such property while it is in Seller s possession or control 9 Special Tooling A tooling charge may be imposed for any special tooling including without limitation dies fixtures molds and patterns acquired to manufacture Products Such special tooling shall be and remain Sellers property notwithstanding payment of any charges by Buyer In no event will Buyer acquire any interest in apparatus belonging to Seller which is utilized in the manufacture of the Products even if such apparatus has been specially converted or adapted for such manufacture and notwithstanding any charges paid by Bu
20. damages awarded in an action brought against Buyer based on an allegation that a Product sold pursuant to this Agreementinfringes the Intellectual Property Rights of a third party Seller s obligation to defend and indemnify Buyer is contingent on Buyer notifying Seller within ten 10 days after Buyer becomes aware of such allegations of infringement and Seller having sole control over the defense of any allegations or actions including all negotiations for settlement or compromise If a Product is subject to a claim that it infringes the Intellectual Property Rights of a third party Seller may at its sole expense and option procure for Buyer the right to continue using the Product replace or modify the Product so as to make it noninfringing or offer to accept return of the Product and return the purchase price less a reasonable allowance for depreciation Notwithstanding the foregoing Seller shall have no liability for claims of infringement based on information provided by Buyer or directed to Products delivered hereunder for which the designs are specified in whole or part by Buyer or infringements resulting from the modification combination or use in a system of any Product sold hereunder The foregoing provisions of this Section shall constitute Seller s sole and exclusive liability and Buyer s sole and exclusive remedy for infringement of Intellectual Property Rights 19 Entire Agreement This agreement contains the entire agreement betwee
21. dulabuncdisnnesnaie 3 ee 4 o ee ee ee 5 Disassembly Output Bearing and Clutch Pack 6 10 Valve amp Cap ENEE 11 12 Lo NRI m TOT Em 13 Input Gear Sub Assembly IIT 14 15 Reassembly upu Bearna POK oaan E ___ ____ __ 16 19 EE 20 22 MT S 23 25 zio E 26 29 e Un pe 30 eE EE N ____ 31 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA NOTES IV Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US SAFETY INFORMATION These instructions are included for your safety Read them carefully until you understand them General Safety Information To prevent injury to yourself and or damage to the equipment Read carefully all owners manuals service manuals and or other instructions Always follow proper procedures and use proper tools and safety equipment Be sure to receive proper training Never work alone while under a vehicle or while repairing or maintaining equipment Always use proper components in applications for which they are approved Be sure to assemble components properly Never use worn out or damaged components Always block any raised or moving device that may injure a
22. eely on the shaft Fig 26 26 Place a new lubricated O Ring 24 on the idler shaft 6 Push it into the housing from the side opposite of the roll pin until it is NOTE Once the shaft is installed spin the gear to seat the just below the housing surface Use the special alignment tool tapered bearing cones There should be no side to side gear to make the job easier The shaft can only be installed from one movement H side to side movement exists re shim the gear direction because of the roll pin in the housing Fig 25 with the appropriate thickness of shims F Figure 25 Figure 26 22 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series Valve Assembly 28 If the valve assembly oil seal 3 was worn or damaged replace it now Lubricate a new seal Install it carefully with the proper driver Important avoid nicking the housing This could cause 29 Lubricate and attach the solenoid valve G to the cap Fig 28 leakage or other P T O damage Fig 27 Refer to page 13 for valve exploded view Figure 27 Figure 28 30 Next install the Clamp and Sockethead Capsrew E Secure 31 Place a new valve cap gasket 20 on the valve assembly the solenoid to the valve cap A with hex capscrews E Torque Make sure the holes are aligned Caution Do not use them to 48 72 Lbs in 5 4 8 1 N m or 55 8
23. engagement at too high an and clutch back up cylinder Fig 11 Fig 12 Figure 11 Figure 12 13 Remove the clutch gear 36c off the shaft Check it for wear or damage Replace if necessary The spacer and retaining ring 14 Remove the retaining ring 46 thrust washer 27 and output 46 can stay on the shaft if they aren t damaged gear 32 Inspect the washer for heat damage Replace if Fig 13 necessary Fig 14 Figure 13 Figure 14 9 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 15 Remove and Inspect Shaft 36a especially the bearing surfaces for nicks scratches or other damage The best way to discover these problems is to run your fingernail across the shaft surface If you feel a scratch replace the shaft Also make 16 Using an appropriate driver press the internal needle bearing sure the pressure port is clear Do this by blowing air through part 560972 from the output gear Press against the flat the hole Fig 15 surface of the bearing Fig 16 Figure 16 Figure 15 17 Inspect the output gear for cracks pitting missing teeth or other damage Replace if necessary Fig 17 Figure 17 10 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series Valve amp Cap A
24. er 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 and Conditions Seller s willingness to offer Products or accept an order for Products to or from Buyer is subject to these Terms and Conditions or any newer version of the terms and conditions found on line at www parker com saleterms Seller objects to any contrary or additional terms or conditions of Buyer s order or any other document issued by Buyer 2 Price Adjustments Payments Prices stated on Sellers quote or other documentation offered by Seller are valid for 30 days and do not include any sales use or other taxes unless specifically stated Unless otherwise specified by Seller all prices are F C A Seller s facility INCOTERMS 2010 Payment is subject to credit approval and is due 30 days from the date of invoice or such other term as required by Seller s Credit Department after which Buyer shall pay interest on any unpaid invoices at the rate of 1 5 per month or the maximum allowable rate under applicable law 3 Delivery Dates Title and Risk Shipment delivery dates are approximate and Seller shall not be
25. er Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 20 Place a new gasket 19 on the mating face Caution Do not use sealing compounds It could affect the correct 21 Secure the bearing cap with socket head capscrews 43 operation of the transmission Install the clutch pack bearing cap Tighten them and torque them to 16 20 Lbs ft assembly into the Chelsea P T O housing Fig 19 22 27 N m or 2 2 2 8 Fig 20 Figure 19 Figure 20 22 Install new lubricated bearing cones 74 into the input gear 4 The tapers should go toward the center of the gear 23 Next place tabbed washer 10 next to the tall side of the gear Fig 21 This washer shims the unit Fig 22 WI LI Figure 21 Figure 22 21 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual REASSEMBLY 277 278 Series 24 Place the thrust washer 26 on the ratio side of the gear Place the components into the housing Fig 23 25 Align the gear assembly with the idler shaft hole Fig 24 p Figure 23 Figure 24 27 Inspect O Ring on NWD plug 59 for cuts or nicks Lubricate O Ring on NWD plug and install the NWD plug 59 Torque it to 8 12 Lbs ft 11 16 N m or 1 1 1 7 The gears should turn fr
26. in HY25 6277 M1 US Service Manual TROUBLESHOOTING 277 278 Series Pressure Pon Locations amp Hose Chart SK 414 Rev B Left Side Port Rear Port Left Side Port Rear Port CX31 CX28 Filter Removed for Clarity Both High Pressure Connections are 4 O Ring Boss HOSE CHART Trans HighOl Trans TransPTO Location Pressure Valve Fiting Fitting ValveHoses re pp RR E een hees EST EN LD LHS Rear Attached 379486 379812 329075 5X pem ue 329075 2X 277 2738 Pas RHS Rer 379486 3290755 ____ 89 river LHS LHS 3291306X LL D vr LHS Rear Remote 379486 379812 329130 6 __ PasRHS s 3291306X CO ______ Pass RHS Rer Ill 3291306X us _ 27 Drier LHS ue en een Pas RHS Rer __ 379812 3290755 D wr iHS 3291303X 807 Drvr HS Rear 379486 379812 3290755 EE SS Pass RHS LHS L _ 3290752 jPas RHS Rer 379486 329075 5X LHS Left Side of Transmission 8 o clock position RHS Right Side of Transmission 1 o clock position NOTES 1 P T O Fitting 379486 and Transmission Fitting 379812 included with the P T O Unit If Using 379486 in Transmission it
27. inspect all Products upon delivery No claims for shortages will be allowed unless reported to the Seller within 10 days of delivery No other claims against Seller will be allowed unless asserted in writing within 20 days after delivery Buyer shall notify Seller of any alleged breach of warranty within 30 days after the date the defect is or should have been discovered by Buyer Any action based upon breach of this agreement or upon any other claim arising out of this sale other than an action by Seller for an amount due on any invoice must be commenced within 12 months from the date of the breach without regard to the date breach is discovered 6 LIMITATION OF LIABILITY UPON NOTIFICATION SELLERWILL AT ITS OPTION REPAIR OR REPLACE A DEFECTIVE PRODUCT OR REFUND THE PURCHASE PRICE IN NO EVENT SHALL SELLER BE LIABLETO BUYER FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR AS THE RESULT OF THE SALE DELIVERY NON DELIVERY SERVICING USE OR LOSS OF USE OF THE PRODUCTS OR ANY PART THEREOF OR FOR ANY CHARGES OR EXPENSES OF ANY NATURE INCURRED WITHOUT SELLER S WRITTEN CONSENT EVEN IF SELLER HAS BEEN NEGLIGENT WHETHER IN CONTRACT TORT OR OTHER LEGALTHEORY IN NO EVENT SHALL SELLER S LIABILITY UNDER ANY CLAIM MADE BY BUYER EXCEED THE PURCHASE PRICE OF THE PRODUCTS 7T User Responsibility The user through its own analysis and testing is solely responsible for making the final selection of the system and Product an
28. l cause unexpected output shaft rotation This is caused by the high viscosity of the transmission oil when it is extremely cold As slippage occurs between the power take off clutch plates the oil will rapidly heat up and the viscous drag will quickly decrease The Power Take Off output shaft rotation could cause unexpected movement of the driven equipment resulting in serious personal injury death or equipment damage To avoid personal injury or equipment damage e Driven equipment must have separate controls The driven equipment must be left in the disengaged position when not in operation Do not operate the driven equipment until the vehicle is allowed to warm up This symbol warns of possible personal injury 1 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US SAFETY INFORMATION A Warning Rotating Auxiliary Driveshafts Rotating auxiliary driveshafts are dangerous You can snag clothes skin hair hands etc This can cause serious injury or death e Do not go under the vehicle when the engine is running e Do not work on or near an exposed shaft when engine is running e Shut off engine before working on Power Take Off or driven equipment Exposed rotating driveshafts must be guarded A Warning Guarding Auxiliary Driveshafts We strongly recommend that a Power Take Off and a directly mounted pump be used to eliminate the auxili
29. llison 329352 18 Remove the three socket head capscrews 41 valve assembly and valve cap gasket 20 from the Chelsea Fig 18 amp 18A Figure 18 Figure 18A 19 See Page 16 Carefully remove the retaining ring D and washer C Visually inspect the oil seal B now If you see signs of wear or leakage remove the seal Important do not nick the seal bore This could result in leakage or further damage to the Fig 19 19A amp 19B fe k m j r fe Kb Wi A f E T CONSER A QNIN LX s JU Y e i d Figure 19 Figure 19A Figure 19B 11 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 20 Remove the solenoid valve socket capscrew E Use a screwdriver in the shaft seal opening to carefully pry the solenoid valve G loose from the housing Be careful not to damage the seal Fig 20 Figure 20 21 Remove the solenoid valve E from the cap Fig 21 Check the O Rings for damage Fig 21A If they are damaged replace the O Rings Figure 21 Figure 21A 12 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual VALVE amp CAP ASSEMBLY 277 278 Series Valve amp Cap Bill of Materials 329352 329442 amp 329463 C D Item Part Number Description Quantity 38 329352 12X
30. n the Buyer and Seller and constitutes the final complete and exclusive expression of the terms of sale All prior or contemporaneous written or oral agreements or negotiations with respect to the subject matter are herein merged 20 Compliance with Law U K Bribery Act and U S Foreign Corrupt Practices Act Buyer agrees to comply with all applicable laws and regulations including both those of the United Kingdom and the United States of America and of the country or countries of the Territory in which Buyer may operate including without limitation the U K Bribery Act the U S Foreign Corrupt Practices Act and the U S Anti Kickback Act the Anti Kickback Act and agrees to indemnify and hold harmless Seller from the consequences of any violation of such provisions by Buyer its employees or agents Buyer acknowledges that they are familiar with the provisions of the U K Bribery Act the FCPA and the Anti Kickback Act and certifies that Buyer will adhere to the requirements thereof In particular Buyer represents and agrees that Buyer shall not make any payment or give anything of value directly or indirectly to any governmental official any foreign political party or official thereof any candidate for foreign political office or any commercial entity or person for the purpose of influencing such person to purchase products or otherwise benefit the business of Seller 05 14 chelsea Parker Hannifin Corpor
31. ompartment A This symbol warns of possible personal injury Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual EXPLODED VIEW 277 278 Series Sub Assembly Clutch Pack Sub Assembly Shaft Brake 3 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual EXPLODED VIEW 277 278 Series 277 278 Powershift P T O These parts are referenced throughout the disassembly and reassembly instructions for your convenience Refer to Chelsea Parts List HY25 2277 M1 US for complete parts bills of material and current part numbers e WV Mi 3 278 Housing 4 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual TOOLS 277 278 Series Along with a suitable press you should have these tools when servicing the Chelsea 277 278 Series Power Take Off 3 8 socket wrench 3 16 socket wrench 1 4 Allen wrench Screwdriver 3 8 combination wrench Soft mallet Retaining ring pliers Oil seal puller Safety glasses Torque wrench Bearing Driver O Ring Sleeve Gear Alignment tool Oil Seal Driver Sockets 3 8 6 or 12 point 3 16 Allen 1 4 Allen 9 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISAS
32. put shaft Using an arbor press press the output shaft 36A through the Fig 5 bearing cap Fig 6 Figure 5 Figure 6 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 7 Remove the retaining ring 47 and bearing 73 from the Clutch Pack and Output Shaft bearing cap If the bearing sticks tap it with a soft mallet and Reference Page 6 a driver Fig 7 8 Remove the spacer 2 from the shaft Fig 8 Figure 7 Figure 8 9 Next compress the clutch assembly and remove the retaining 10 Slide the clutch back up cylinder 36j and piston 36g off the ring 36k Fig 9 Reference Sub Assembly Dwg Clutch Pack shaft Remove the O Ring 36h from the piston Inspect the page 6 piston for galling or scratches Fig 10 Figure 9 Figure 10 8 Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US Service Manual DISASSEMBLY 277 278 Series 12 Remove and inspect the clutch plates 36c and friction discs 361 If debris is present but the Chelsea gears aren t damaged it indicates possible transmission problems If the 11 Remove the return spring 36b Check it for cracks or breaks components are burnt the problem may be low lubricant levels Also remove the two shaft O Rings 36d that seal off the piston misapplication or
33. ritten notice of termination Seller may immediately terminate this agreement in writing if Buyer a commits a breach of any provision of this agreement b appointments a trustee receiver or custodian for all or any part of Buyer s property c files a petition for relief in bankruptcy on its own behalf or by a third party d makes an assignment for the benefit of creditors or e dissolves or liquidates all or a majority of its assets 17 Governing Law This agreement and the sale and delivery of all Products hereunder shall be deemedto havetaken 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 this agreement 18 Indemnity for Infringement of Intellectual Property Rights Seller shall have no liability forinfringementof any patents trademarks copyrights trade dress trade secrets or similar rights except as provided in this Section Seller will defend and indemnify Buyer against allegations of infringement of U S patents U S trademarks copyrights trade dress and trade secrets Intellectual Property Rights Seller will defend at its expense and will pay the cost of any settlement or
34. ttach 2 hoses to the single port on the left side 1 Lubrication Option R shifter Options G and H for 277 Series 2 Lubrication Option for 278 Series 27 Parker Hannifin Corporation Chelsea Products Division Chelsea Olive Branch MS 38654 USA Bulletin HY25 6277 M1 US TROUBLESHOOTING Service Manual 277 278 Series Shift Installation Kit 277 amp 278 Series Without Electronic Overspeed Control SK 411 Rev A 329443 12X For 12v Installation Kit 329443 24X For 24v Installation Kit 379265 Grommet Slice Grommet E Drill 1 Dia Hole In Firewall N Run Wires Through Grom met in Firewall N Ze N Insert in Hole in Firewall 3 9928 Red Wi Valve Connector and GE 379306 Wire Assembly WEE Spade Electrical Terminal Black Wire Ground of Cab Blue Wire 379003 24 Volt Indicator Je Light He 379502 Pressure Switch kd A oo SEH Torque Values must be 378881 9 between 120 144 Lbs 1 gt 379336 Bracket to 16 20 Lbs ft This Hose Purchased Separately 379900 Fuse Holder w 10 amp Fuse 379257 Splice Connector Positive Terminal of Ignition or Battery RR 379812 Straight Fitting Install in Transmission Hight Pressure Port 28 Parker Chee Parker Hannifin Corporation Chelsea Products Division Olive Branch MS 38654 USA Bullet
35. 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 Seller may change product features specifications designs and availability with notice to Buyer 13 Limitation on Assignment Buyer may not assign its rights or obligations under this agreement without the prior written consent of Seller 14 Force Majeure Seller does not assume the risk and shall not be liable for delay or failure to perform any of Seller s obligations by reason of circumstances beyond the reasonable control of Seller hereinafter Events of Force Majeure Events of Force Majeure shall include without limitation accidents strikes or labor disputes acts of any government or government agency acts of nature delays or failures in delivery from carriers or suppliers shortages of materials or any other cause beyond Seller s reasonable control 15 Waiver and Severability Failure to enforce any provision of this agreement will not waive that provision nor will any such failure prejudice Seller s right to enforce that provision in the future Invalidation of any provision of this agreement by legislation or other rule of law shall not invalidate any other provision herein The remaining provisions of this agreement will remain in full force and effect 16 Termination Seller may terminate this agreement for any reason and at any time by giving Buyer thirty 30 days w
36. yer Unless otherwise agreed Seller shall have the right to alter discard or otherwise dispose of any special tooling or other property in its sole discretion at any time 10 Buyer s Obligation Rights of Seller To secure payment of all sums due or otherwise Seller shall retain a security interest in the goods delivered and this agreement shall be deemed 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 its security interest 11 Improper use and Indemnity Buyer shall indemnify defend and hold Seller harmless from any claim liability damages lawsuits and costs including attorney fees whether for personal injury property damage patent trademark or copyright infringement or any other claim brought by or incurred by Buyer Buyer s employees or any other person arising out of a improper selection improper application or other misuse of Products purchased by Buyer from Seller b any act or omission negligent or otherwise of Buyer c Sellers use of patterns plans drawings or specifications furnished by Buyer to manufacture Product or d Buyer s failure to comply with these terms and conditions Seller shall not indemnify Buyer under any circumstance except as otherwise provided 12 Cancellations and Changes Orders shall not be subject to cancellation or change by Buyer for any reason except
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