Service Manual ASM 3.1 -F11 F11-5 through -250
Contents
1. 3mm Series Dia D mm F11 5 35 10 19 52 28 62 39 65 58 78 72 110 150 80 250 4 Using a bearing press push the shaft assembly out of the bearing housing on a suitable support The shaft assembly can also be removed by grasping the housing and carefully hitting the shaft against a wooden block as shown 5 Remove the retaining ring the back up washer and the shaft seal q 6 Do not disassemble the shaft assembly unless the bearings are worn or damaged If the bearings or the shaft have to be replaced remove the locknut and the tab washer and position the shaft assembly on a piece of pipe or other suitable support that fits snugly around the shaft and supports the ring gear The shaft can now be pressed out 7 To remove the cylinder barrel from the housing does not apply to Series F11 28 and 58 carefully hit the housing barrel assembly against a piece of wood as shown the barrel as well as the valve plate will be forced out Be careful to protect the barrel and valve plate from damage Series F11 28 and 58 cylinder barrel can be removed from the barrel post after removal of the leaf spring locating pin utilizing a screwdriver as shown the leaf spring and the hold down bearing ring Disassembly Series F11 250 Position the unit on a table provided with a hole for the shaft 3 Remove the four cap screws and the barrel or on a suitable fixture A housing2. Service Manual ASM 3 1 F 17 FT1 5 through 250 Catalog 9129 8205 02 Februari 2001 GB Safety Precautions Certain service procedures may require the vehicle machine to be disabled wheels raised off ground work function disconnected etc while performing them in order to prevent injury to technician and bystanders Use caution when dealing with hydraulic fluid under pressure Escaping hydraulic fluid under pressure can have sufficient force to penetrate your skin causing serious injury Table of Contents Specifications mnsssnsssssssssreererrrrrrnrrersersr rer errenneren 3 Designer SR Re 4 Operational CheCK sssossrrsrrrrrrrsrreereereerersrrnrnnrn nn an 5 Repa casare 5 Bs 1010 gt E E SE E 5 Shaft Seal Replacement 6 Disassembly F11 5 through F11 150 6 Disassembly F11 250 eeen 8 Reconditioning and Replacement of parts 9 Reassembly F11 5 through F11 150 10 Reassembly F11 250 ne 12 Needle Bearing installation cylinder barrel 13 Parts Identification osni tonsini 14 F11 5 through F11 150 smssmnssnsssrsrrssersnersnernnrnn 14 Pd al 27 00 eee E Ceres Pre REFERENT 15 Specifications Designation F11 5 F11 10 11 19 F11 28 11 39 F11 58 F11 78 11 110 F11 150 F11 250 Displacement cm rev Operating pressure Peak bar Max continuous bar 350 Operating speed rpm Max 12000 Max continuous 8500 M
3. Parker Hannifin AB VOAC Hydraulics Division SE 461 82 Trollhattan Sweden Tel 46 520 986 00 Fax 46 520 371 05 www parker com Catalog 9129 8205 02 Februari 2001 GB
4. 13 Item Title 710 Barrel Housing Assy 121 Valve Plate 131 Hex Socket Plug 132 Seal Washer 211 Bearing Housing 492 110 221 O Ring 222 O Ring 491 233 Shaft Seal 236 Back up Ring 237 Retaining Ring 311 Shaft 321 FlatKey 411 Cylinder Barrel 415 Needle bearing 431 Barrel Retaining Ring 436 Bearing Ring 438 Leaf Spring 439 Pivot Pin 440 Piston Assy 442 Piston Ring 451 Pin 221 452 Ring Gear 460 Taper Roller Bearing 464 Spacer Ring 470 Taper Roller Bearing 474 Lock Washer 475 Round Nut 486 Guide Spacer 488 Shim 222 491 Hex Socket Screw 131 132 211 233 236 237 14 Item Title 111 End Cap 131 Hex Socket Plug 132 Seal Washer 211 Bearing Housing 222 O Ring 223 O Ring 224 O Ring 233 Shaft Seal 236 Back up Ring 237 Retaining Ring 311 Shaft 321 FlatKey 411 Cylinder Barrel 413 Spring Pin 414 Retaining Ring 415 Needle Bearing 422 Spacer Sleeve 423 Barrel Spindle 424 Sliding Plate 425 Taper Roller Bearing 426 Spacer Washer 427 Retaining Ring 428 Hex Socket Screw 429 Cap Plug 433 Disc Spring 440 Piston Assy 442 Piston Ring 451 Pin 452 Ring Gear 461 Taper Roller Bearing Cone 462 Taper Roller Bearing Cup 464 Spacer Ring 470 Taper Roller Bearing 474 Lock Washer 475 Round Nut 481 Barrel Housing 311 488 Shim 491 Hex Socket Screw 493 Hex Socket Screw Please contact our sales representative
5. Scratches and wear marks on these parts always affect the performance of the unit they should be replaced if scratched or worn 1 Shaft seal and o rings should always be replaced 2 Replace spherical piston rings that are worn more than 50 of the spherical surface as shown A small retaining ring pliers will facilitate the removal When installing a new piston ring make sure the spherical surface coincides with the shape of the piston head Max 50 Never replace individual worn piston and ring assemblies Max 0 2 mm Production of the spherical piston ring is discontinued The old ring and piston has to be replaced by the laminated version 3 On series F11 5 through 150 the valve plate surface can be reconditioned by careful lapping Use Time Saver refer to page 5 Series F11 250 end cap port surface can be lapped but the bearing plate must be replaced if worn Note When lapping the valve plate up to 002 in can be removed If 002 in is not sufficient to obtain a flat surface free of scratches the part should be re placed 4 If the bearing cups are loose the shaft lock nut should be tightened Correct bearing pre load has been obtained when the spacer ring can be moved sideways without being loose Note for the bigger units quite a substantial force is required 5 Check that the shaft surface in contact with the shaft seal is in good condition if grooved corroded or otherwise dam
6. Remove the cylinder barrel off the pistons 1 Remove the cap over the barrel post locating 4 With a felt tipped pen mark the pistons and the screw by forcing a screwdriver through the top of the corresponding shaft sockets so that the pistons can cap and pulling it out Remove the locating screw be re installed in their original positions Hold the pistons as shown and lift them out 2 Insert tool P N 370 6250 without the sleeve and knock the barrel post out of the end cap Remove the three cap screws and the end cap Retain the split shim located between the barrel housing and the end cap Older version F 11 250 5 Using a bearing press push the shaft assembly out of the bearing housing while positioning the housing on a suitable support The shaft assembly can also be removed by grasping the housing and carefully hitting the shaft against a wooden block Reconditioning and Replacement of Parts After disassembly all parts should be thoroughly cleaned in a suitable solvent Caution Follow directions for use of solvent carefully Protect your hands and eyes from the solvent Solvent may also be inflammable If leakage of the F11 unit was too high the following parts are generally worn or damaged Series F11 5 through 150 Valve plate Cylinder barrel port surface facing valve plate Piston rings Series F11 250 Bearing plate End cap port surface facing bearing plate Piston rings
7. Some resistance should be felt when trying to turn the cylinder barrel by hand if no resistance is felt the retaining ring must be replaced Drain port Note Regarding installation of needle bearings in F11 110 and 150 cylinder barrels refer to page 16 4 Series F11 28 and 58 utilize a leaf spring for barrel hold down Install the cylinder barrel on the barrel post install the hold down ring and the leaf spring and secure the spring with the locating pin 5 Install the guide spacer with new o rings to the barrel housing make sure one of the cut outs is in the position shown and leave room for the split shim between the spacer and the housing Cut out ee 6 Install the split shim as illustrated Make sure the shim is properly located in the barrel housing recess Correct thickness of the shim should result in a gear backlash of 05 to 15 mm If any part of the rotating group has been replaced it might be necessary to change to a shim of different thickness backlash is checked according to paragraph 12 page 12 7 Two teeth on the cylinder barrel ae on the ring gear are marked to ensure that the pistons are in line with the cylinder bores Position the cylinder barrel so that the markings are visible in the spacer cut out as shown this assures correct timing of the shaft and the cylinder barrel 8 Locate the marked tooth of the shaft ring gear Note If the shaft assembly has been tak
8. located correctly in the barrel housing recess 7 Install the nut bearing of the tool on the spindle and by tightening on the nut pull the barrel post partly into the end cap Install the three cap screws and tighten according to specification page 3 Drift pin Sleeve 8 By further tightening on the nut pull the block post completely into the end cap do not overtighten 9 Remove the assembly tool Install the cap screw that secures the barrel post and torque it to 40 45 Nm back off 1 3 turn to obtain correct axial play Push the seal cap over the screw head 10 Check the backlash through the drain port correct backlash is 10 30 mm Needle Bearing Installation 1 Install the sleeve and a needle bearing on the drift pin F11 110 150 press the bearing to the bottom of the cylinder barrel dimension A 2 Remove the sleeve install the second needle bearing on the drift pin and press in place dimension B F11 250 Retaining Ring Series Dim A Dim B mm mm F11 110 56 0 4 5 F11 150 61 5 10 0 Refer to page 5 for information on recommended tools 1 Install a needle bearing on the drift pin there is no sleeve press in place so that it just touches the Note retaining ring When installing the needle bearings the marked end of the 2 The second needle bearing should be located cage should face the drift pin or sleeve against the one previously installed
9. aged the shaft should be replaced Reassembly Series F11 5 through 150 All parts should be thoroughly cleaned and lightly lubricated with hydraulic fluid Reassembly is carried out in reverse order of disassembly Caution Follow directions for use of hydraulic fluid care fully Protect your hands and eyes from fluid Fluid may also be flameable 1 Place the cylinder barrel housing in a vice as shown 2 Install the valve plate making sure it is seated properly in the housing when installed correctly the visible face of the valve plate should appear as shown The internal drain valve plate G is shown from the back side of the plate From the front when installed it looks the same as the M plate 10 The following valve plates are available designation appears on the nameplate Bi directional motor or pump operation L H rotation pump operation R H rotation pump operation L H rotation internal drain motor operation R H rotation internal drain motor operation Bi directional motor operation high pressure Bi directional motor operation low noise OIOTIrE H 3 The cylinder barrel retaining ring does not apply to Series F11 28 and 58 should be installed as illustrated below When installing the barrel in the housing the opening of the retaining ring should face the housing cut out as shown the barrel has to be pushed down to overcome the spring force of the retaining ring
10. en apart refer to Reassembly Series F11 250 for instructions 9 Position the shaft piston assembly over the housing barrel assembly as shown so that the timing marks of the ring gear and cylinder barrel are lined up Locate each piston into the corresponding previously marked cylinder bore 10 If the timing marks don t match as illustrated carefully pull the shaft assembly out of mesh with the ring gear and reposition correctly 11 Install the bearing housing with a new shaft seal on the shaft bearing assembly being careful not to cut or otherwise damage the seal Cross torque the cap screws according to specifications on page 3 11 12 Turn the shaft by hand to assure correct assembly A clicking noise generated when the shaft is rapidly turned back and forth reveals that there is backlash between the ring gear and the cylinder barrel A no noise condition indicates no backlash and a thicker shim has to be in stalled The correct backlash should be 05 to 15 mm Reassembly Series F11 250 1 If the shaft bearing assembly has been taken apart start the reassembly by installing the ring gear over the locating dowel pin Press the cone of the large roller bearing against the ring gear Install the large bearing cup the spacer ring note the position of the cut outs and the small bearing cup Press the small bearing cone onto the shaft but only so far that the spacer ring can still be moved sideways ea
11. g installation tool A special tool P N 370 6250 is required for the removal and re assembly of the F11 250 barrel post Barrel post installation tool The following lapping compound can be used for recondi tioning valve plates P N 546 390 2400 P N 546 390 3200 Time Saver 60 Time Saver 80 Shaft Seal Replacement Disassembly Series F11 5 through 150 Note The unit does not have to be taken apart Before taking the unit apart remove the shaft coupling if applicable and thoroughly clean the outside of the unit seal Remove the retaining ring and the back up washer units the ports with suitable plugs or covers designated F11C and F11D might not have a back up washer Without damaging the shaft punch through the 1 Remove the four metric cap screws By utilizing two casing of the seal with a screwdriver and remove the seal screwdrivers pull the housings apart as shown Retain Check the shaft sealing surface for corrosion and other the split shim located between the spacer ring and the damage barrel housing The tool shown in the figure can be used to facilitate the installation of the new seal Be careful not to cut the seal on the shaft key or spline The chamfer of the back up washer should face the seal when installed concerns N seal 2 Mark the pistons and the corresponding ball sockets with a felt tipped pen 3 Remove the pistons by pulling them out when in line ener with the shaft as shown
12. in continuous 200 Power output Max kW Continuous kW Flow litres min at 1000 rpm theoretical Torque Nm at 100 bar theoretical Screw Tightening Torque Tightening torque Series Nm See table F11 5 24 4 10 48 8 19 48 8 28 60 10 39 105 20 58 105 20 78 220435 110 220 35 150 220 35 250 See Fig 220 35 Nm 325 25 Nm F11 250 Gear Backlash F11 005 through F11 110 0 05 0 20 mm F11 150 through F11 250 0 10 0 30 mm Frame size mm F11 005 25 0 F11 010 31 3 F11 019 37 5 F11 028 42 0 F11 039 47 5 F11 058 55 0 F11 078 62 5 F11 110 65 6 a F11 150 75 0 R F11 250 75 0 Design Series F11 pumps motors consist of a rotating group contained in a split housing Spherical pistons 1 with laminated piston rings 2 operate at a 40 angle relative to the shaft 3 Series F11 5 through 78 employ five pistons series F11 110 and 150 seven and series F11 250 nine pistons As the shaft turns the pistons are driven in a reciprocating movement in the cylinder barrel 4 When the unit is used as a pump the oil passes from the inlet port to the cylinder barrel and is then forced to the outlet port through the pumping action of the pistons Series 5 through 150 A spring device a retaining ring a leaf spring or Belleville washers maintains the barrel against the valve plate i
13. sily 2 Install a new tab washer and tighten the lock nut gradually until the spacer ring between the bearing cups is held firmly but not tight you should be able to push the spacer sideways with your thumbs as shown Secure the nut with one of the tabs of the washer Note If the lock nut has been tightened too much as to allow the spacer to be moved sideways the bearings have to be removed from the shaft and the assembly procedure started over again 3 Install a new shaft seal and push the shaft assembly into the bearing housing Install the pistons in the ball sockets 4 If anew cylinder barrel is used install the groove pins that locate the bearing plate the internal retaining ring and the needle bearings refer to page 14 Install the barrel post bearing assembly in the cylinder barrel Locate each piston into the corresponding previously marked cylinder bore and position the cylinder barrel assembly on the ring gear as shown so that the timing marks are lined up 12 5 Install the barrel housing and check through the drain port that the timing is correct Cross torque the cap screws according to specifications page 3 6 Install new o rings on the end cap one o ring is located in the barrel post bore Screw tool P N 370 6250 without nut and bearing into the barrel post and install the end cap over the tool spindle against the block housing Install the split shim as shown making sure it is
14. tem 5 F11 5 through 150 or the end cap item 7 F11 250 A ring gear 6 on the shaft meshes with the corresponding teeth of the barrel 4 so that the cylinder barrel always rotates at the same speed as the shaft 3 The shaft is supported by two heavy duty tapered roller bearings 8 Series 250 Operational Check The general condition of the unit can be established by checking the drain flow Remove the drain line and keep the drain port above a suitable container Run the unit at normal speed and pressurize the system to 150 200 bar Measure the drain flow for one minute if it exceeds the maximum figures shown below the unit is worn or damaged internally and should be replaced or repaired Also check for leakage at the shaft seal and between the bearing and barrel housings Drain Flow Series Normal Max I m I m F11 5 0 2 1 0 F11 10 0 3 1 5 F11 19 0 4 2 0 F11 28 0 4 2 0 F11 39 0 5 2 5 F11 58 0 7 2 1 F11 78 1 0 3 0 F11 110 1 0 3 0 F11 150 1 2 3 0 F11 250 1 5 3 0 Repair Tools and Supplies Metric Allen keys retaining ring spanners and a torque wrench with suitable metric sockets are required for the disassembly and assembly of the F11 series plus common hand tools In addition the following tools are recommended for install ing cylinder barrel needle bearings P N 370 6526 370 6527 370 6528 F11 110 F11 150 F11 250 F11 110 150 only Ic Needle bearin
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