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Series 1 Heavy Duty Hydrostatic Fixed
Displacement Motors

Parts and Service

Model 3331/3333

Model 3931/3933

Model 4631/4631

Model 5431/5433

Model 6431/6433

Summary of Contents for 1 Series

Page 1: ...Series 1 Heavy Duty Hydrostatic Fixed Displacement Motors Parts and Service Model 3331 3333 Model 3931 3933 Model 4631 4631 Model 5431 5433 Model 6431 6433...

Page 2: ...over 9 Valve Block 10 Valve Block Kits 11 Rotating Group 12 Motor Housing 13 Kits 14 Dis assembly Shaft Seal 15 Dis assembly Assembly Valve Block 16 Dis assembly End Cover 18 Dis assembly Rotating Gro...

Page 3: ...possible To ensure accuracy of repair and prevent part loss or damage certain components or subassemblies are disassembled inspected and reassembled when removed from the motor Note All requests or i...

Page 4: ...XXX 4 1 35 25 7 7 24 24 5 7 6 6 6 6 5 8 10 9 3 2 A B K K C F E C D B A 6 6 J G H I 2 24 5 5 31 End Cover with Integral Shuttle and Low Pressure Relief Valve or End Cover with Valve Block Motors with V...

Page 5: ...5 9 8 8775 021 1 Square Cut Seal Ring 9 8765 118 2 O ring 10 101129 000 2 Back up Ring 13 103224 000 1 End Cover Gasket model 33 39 46 13 103877 000 1 End Cover Gasket model 54 64 14 98202 000 3 Dowe...

Page 6: ...9 000 114288 000 103227 000 103222 188 21 Tooth 16 32 Pitch Spline M10 x 1 5 threaded hole MODELS 5433 6433 SHAFT BEARING RETAINING ASSEMBLY SHAFT CONE RING DESCRIPTION 112484 000 112483 000 103808 00...

Page 7: ...098 000 103227 000 103222 188 23 Tooth 16 32 Pitch Spline 3 8 24 UNF x 75 DP 111122 000 111121 000 103227 000 103222 188 19 Tooth 16 32 Pitch Spline Speed Sensor Model 4631 SHAFT BEARING RETAINING ASS...

Page 8: ...000 103808 000 103222 200 21 Tooth 16 32 Pitch Spline W 3 8 24 UNF x 75 DP 111602 000 111601 000 103808 000 103222 200 21 Tooth 16 32 Pitch Spline W M10 X 1 5 threaded hole MODEL 6431 SHAFT BEARING RE...

Page 9: ...igh Rate C 101727 000 2 Shuttle Valve D 102418 000 1 Shuttle Spool E 25090 008 1 Gauge Port Plug O ring F 25090 006 2 Gauge Port Plug O ring G 104634 000 1 Plunger H See table 3 3 1 Low Pressure Relie...

Page 10: ...ve Plug O ring J 102418 000 1 Shuttle Spool B C B D E D B C B A A A E J I H G I H G 3 C D F Table 4 1 Low Pressure Relief Valve Setting Designation PART NUMBER XXX bar lbf in2 XXXXX 016 11 160 XXXXX 0...

Page 11: ...01047 XXX 101048 022 101730 000 220 psi LPRV High Rate 102769 XXX 107131 000 101047 XXX 101047 XXX 101048 020 101730 000 200 psi LPRV High Rate 103062 XXX 107131 000 101047 XXX 101047 XXX 103355 016 1...

Page 12: ...l Kit includes items 1 through 5 1 103278 225 1 Retaining Ring 2 103815 000 1 Spacer Cyl Barrel Spring 3 103813 000 1 Cylinder Barrel Spring 4 103816 000 1 Spacer Shaft Spring 5 103854 000 1 Barrel an...

Page 13: ...ain Housing 112614 000 33 39 46 Main Housing 112615 000 33 39 46 Main Housing 112616 000 33 39 46 Main Housing 4998770 001 33 39 46 Main Housing 113336 000 54 64 Main Housing 113339 000 54 64 Main Hou...

Page 14: ...T NO DESCRIPTION 33 46 990092 001 Overhaul Gasket Kit 54 64 990094 001 Overhaul Gasket Kit Table 7 0 Service Kits Shaft Seal Kits 990709 000 Shaft Seal Kit Lip Design For Models 3333 3933 4633 5433 64...

Page 15: ...of seal There are two types of shaft seals Depending on the part number of your motor either type of seal may have been used A unit MUST be serviced with the same type of seal as was originally insta...

Page 16: ...e block continue with step 2 Motors with Valve Block Disassembly Seal all open ports Thoroughly clean exterior of motor before disassembly Cleanliness is extremely important when repairing a hydrostat...

Page 17: ...e springs and shuttle valve plugs Torque plugs to 68 lb ft 92Nm High Pressure Relief Valves 12 Install the two high pressure relief valves Torque to 25 lb ft 34 Nm 13 Install low pressure relief valve...

Page 18: ...bolts from end cover Caution Internal parts are spring loaded To avoid internal part damage remove six bolts leaving two bolts opposite each other tight Gradually and evenly remove the two remaining...

Page 19: ...g Puller refer to Special Tools Use extreme care when handling all close tolerance internal parts of motor Keep parts clean Low clearance bearing puller is recommended for removal of end cover bearing...

Page 20: ...e 32 If bearing cup needs replacing carefully remove the cup using a hammer and drift punch Units Having Face Seal xx31 xxx Part Number Configuration Units Having Lip Seal xx33 xxx Part Number Configu...

Page 21: ...ts i e piston shoe sub assemblies thrust plate retaining strap and or shoe retainer plate 1 Lubricate and install shoe retainer plate and piston shoes in cylinder barrel subassembly After installa tio...

Page 22: ...flat surface with piston shoes fac ing up Carefully install swash plate on cylinder barrel by slightly lifting the side without retain ing strap Slide swashplate over to engage installed retaining str...

Page 23: ...que to 63 lb ft 85 Nm Place and support motor assembly on end cover Gently tap output shaft inward with hammer Install magnetic base indicator on mounting flange with gauge on output shaft end Use pli...

Page 24: ...Then install stationary seal subassembly c Using a No 5 or No 7 retaining ring pliers install retaining ring beveled side of ring out For best sealing results clean the metal to metal seal surfaces Th...

Page 25: ...pump valve plate is identified by two metering slots and rotates clockwise The motor valve plate has four metering slots and is bi directional Pump and motor valve plates are not interchangeable Note...

Page 26: ...t should pilot on shaft diameter so bullet cannot shift side to side allowing step between bullet and shaft seal diameter 3 Press the new greased shaft seal over a shaft bullet Closed face of the shaf...

Page 27: ...ng O Ring 25 Install two outer gauge port plug assemblies Torque to 25 31 lb ft 18 23 Nm Install center gauge port plug assem bly Torque to 40 48 lb ft 30 35 Nm 26 Lubricate and install shuttle spool...

Page 28: ...ver end Rotating Seal Puller 12 X 45 degrees Knurl 2 00 from end Model Number s Stamp 06 R Max Break Corner Caption Dim C Dim B Dim A Dimensions MODEL A B C D 33 39 46 4 0 1 5 1 01 1 25 54 64 4 0 1 5...

Page 29: ...ID BULLET DRIVER 1 875 4994027 001 4994028 002 Measurements are expressed in standard mm Inch units using seal 108395 000 units using seal 110192 000 45 2 0 13 1 778 0 005 49 1 0 13 1 933 0 005 Bulle...

Page 30: ...s Code 18 13 per SAE J1165 The code allows a maximum of 2500 particles per milliliter greater than 5 m and a maximum of 80 particles per milliliter greater than 15 m When components with different cle...

Page 31: ...0 biodegradability Specific vegetable oil products may provide normal unit life when operating at pressure ratings higher than those indicated above RATING WITH BIODEGRADABLE OIL COMMENTS 80 of normal...

Page 32: ...ton 14615 Lone Oak Road Eden Prairie MN 55344 USA Telephone 952 937 9800 Fax 952 974 7722 www hydraulics eaton com Eaton 20 Rosamond Road Footscray Victoria 3011 Australia Tel 61 3 9319 8222 Fax 61 3...

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