Parker 716 Series Service Manual Download

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Low Speed
High Torque
Hydraulic Motors
716 Series

Service Manual SM1532

Parker Motors

Effective:

January 1, 1996

Summary of Contents for 716 Series

Page 1: ...Low Speed High Torque Hydraulic Motors 716 Series Service Manual SM1532 Parker Motors Effective January 1 1996...

Page 2: ...ker Hannifin Corp 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...

Page 3: ......

Page 4: ...DG 6 96 7500 Parker Hannifin Corporation Hydraulic Pump Motor Division 2745 Snapps Ferry Road Greeneville TN 37745 USA Tel 423 639 8151 FAX 423 787 2418...

Page 5: ...Guide 3 Troubleshooting Check List 4 Tools and Material Required for Servicing Seal Kit Components 5 Service Parts List 6 Exploded Assembly View 7 9 Section 2 Repair Disassembly Inspection 10 15 Asse...

Page 6: ...or Column one explains the procedure in detail Column two illustrates this procedure with photographs Read all material carefully and pay special attention to the notes cautions and warnings The compo...

Page 7: ...umetric and torque efficiencies during their useful life the problem is usually elsewhere in the hydraulic system However there are hydraulic system problems which can drastically reduce the long life...

Page 8: ...VSHHG XQGHU ORDG UHSODFH DV UHTXLUHG E KHFN IRU DQG UHSDLU ZRUQ SXPS F KHFN IRU DQG XVH FRUUHFW RLO IRU WHPSHUDW XUH RI RSHUDWLRQ KHFN UHVHUYRLU IOXLG OHYHO LJK LQWHUQDO PRWRU OHDNDJH 5HSODFH ZRUQ 5 V...

Page 9: ...ws Air pressure source Screwdriver Tape Breaker bar or impact wrench Torque wrench 50 ft lbs Socket 1 2 inch 1 4 inch Allen wrench Adjustable crescent wrench or hose fitting wrenches Service Tools Mat...

Page 10: ...ng 11 1 1825 open center Valve 1 2792 closed center 12 2 75013 10 Plug Spool Port 13 1 1826 Spring 14 1 1156 Bearing 15 4 1320 Check Balls Solenoid Block 16 5 032841 O Rings Solenoid Block 17 1 See Be...

Page 11: ...lt Hex 10 Front Bearing Housing Flange 3 O Ring 17 IGRTM Set 6 Shaft 7 Commutator Plate 8 Check Ball 9 Center Block 12 Plug Spool Port 20 Seal Dust 21 Seal High Pressure 17 14 3 3 1 20 21 10 8 7 3 6 9...

Page 12: ...Div Greeneville TN 37745 USA 8 6 2 3 1 5 3 12 9 3 7 8 4 5 Item Description No 1 Bolt Hex 2 Cover 3 O Ring 4 IGRTM Set 5 Clip 6 Shaft 7 Commutator Plate 8 Check Ball 9 Center Block 12 Plug Spool Port 7...

Page 13: ...45 USA 9 Solenoid Block Bottom View Item Description No 12 Plug Spool Port 13 Spring Valve 11 Valve 15 Check Ball Solenoid Block 16 O Ring Solenoid 25 Solenoid Block 18 Solenoid 19 Hex Bolt 11 13 25 1...

Page 14: ...iately plug port holes and fluid lines Remove the motor from system drain it of fluid and take it to a clean work surface Clean and dry the motor before you start to disassemble the unit As you disass...

Page 15: ...nt bearing housing flange 10 by lightly tapping the flange up off the dowels with a soft hammer Do not remove the dowel pins SEE FIGURES D3 4 Remove the locating ring carefully to prevent rollers from...

Page 16: ...e D5 Figure D7 Figure D8 Figure D9 Figure D6 Disassembly and Inspection 5 Remove outer rolls inner and valve plate SEE FIGURES D5 D6 D7 6 Remove commutator plate assembly 7 and seal 3 SEE FIGURE D8 7...

Page 17: ...ollers will fall out so be ready to catch them to prevent damage and loss 9 Remove the outer rolls inner and valve plate SEE FIGURE D12 10 Lift shaft 6 up a short distance push the valve plate down an...

Page 18: ...tapping the cover with a soft nose hammer Caution If placed in a vise use minimal clamping force to prevent a permanent out of round condition SEAL REMOVAL 700 Series Flange shown for illustration pur...

Page 19: ...lel operation SEE FIGURE D18 B the double or wide land opposite the pilot port for normally series operation SEE FIGURE D19 4 The spring is always located on the side opposite the pilot port SEE FIGUR...

Page 20: ...TO COMPLY WITH OSHA OR OTHER MAXIMUM AIR PRESSURE REQUIREMENTS Motor Assembly PROCEDURE 1 Before assembling the flange seals and bearing visually inspect the flange bores for deep scratches raised ma...

Page 21: ...through the commutator plate and center block with the spline snap ring groove up SEE FIGURE A04 Then place the counterbored at the splines valve plate on the shaft with the 7 port windows sharp edge...

Page 22: ...check balls in place during assembly SEE FIGURE A08 11 Place the locating ring over the inner with the square ring groove up and the check ball counterbores over the check balls Align the 8 bolt hole...

Page 23: ...Increase torque diagonally 5 foot lbs on each bolt B Rotate the shaft by hand through several rotations C Repeat steps A B until torque is 30 foot lbs SEE FIGURE A12 16 Turn motor right side up in th...

Page 24: ...t rotate the locating ring or check balls will drop into bolt holes 20 Place the inner over the splines of the shaft Position the inner so the semi circular roll pockets are between the rotary valve p...

Page 25: ...align the 4 dowels with the short dowels inside the locating ring and to align the bolt holes with the holes in the locating ring bolt hole pattern will only match one way SEE FIGURE A19 24 Install th...

Page 26: ...1 2 Place 5 O rings 16 in the grooves on the solenoid block 17 SEE FIGURE A22 3 Place solenoid valve assembly on the center block insert bolts and torque to 15 ft lbs SEE FIGURE A23 The assembly of th...

Page 27: ...th viscosity no less than 50 SSU CAUTION Do not mix oil types Any mixture or a non approved oil could deteriorate the seals Maintain the proper fluid level in the reservoir When changing fluid complet...

Page 28: ...ng or replacing the filter CAUTION Do not strike or drop the motor on the shaft end This will cause internal damage CAUTION Do not weld braze solder or in any way alter any motor component CAUTION Max...