Parker 3Z Series Service Procedure Download Page 22

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HY13-1597-01/US

3Z Motor Service Procedure

3ZG Series

Parker Hannifin Corporation

Hydraulic Pump & Motor Division

Greeneville, TN 37745 US

Notes

Summary of Contents for 3Z Series

Page 1: ...which are known to the State of California to cause cancer and birth defects or other reproductive harm For more information go to www p65warnings ca gov HY13 1597 01 US 3Z Motor Series Service Proce...

Page 2: ...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...

Page 3: ...However despite the care and effort taken in preparing this general Service Manual Parker makes no warranties that a the Service Manual or any explanations illustrations information techniques or too...

Page 4: ...ection and Assembly sections will make it easier for you to conduct major work on the 3Z motor Column 1 gives a brief key for each procedure Col umn 2 explains in detail the procedure you should follo...

Page 5: ...or slipping belts Troubleshooting Guide Hydraulic Components If you think the problem is caused by a hydraulic component start by checking the easy to reach items Check all hoses and lines for cracks...

Page 6: ...fficient oil supply a Check for faulty relief valve and adjust or replace as required b Check for and repair worn pump c Check for and use correct oil for temperature of operation 2 Excessive heat Loc...

Page 7: ...0 26 92 021 53 1 295 32 89 029 74 1 297 32 94 030 76 1 396 35 46 111 2 81 1 398 35 51 119 3 02 1 500 38 10 152 3 86 1 620 41 15 160 4 06 1 622 41 20 296 7 52 1 983 50 37 304 7 72 1 985 50 42 460 11 68...

Page 8: ...eeneville TN 37745 US 8 Technical Information 3ZG Exploded View Service Bulletin 5 1 O RING 90 x 2 13 1 CONICAL SEAL RING 15 1 O RING 12 x 2 18 3 O RING 96 x 3 27 1 O RING 62 x 2 29 1 O RING 40 x 2 5...

Page 9: ...orrosion from coupling shaft Remove coupling shaft connections and hose fittings and immediately plug port holes and fluid lines Remove the 3Z from system drain it of fluid and take it to a clean work...

Page 10: ...place an alignment mark down and across the motor components from end cover to housing to facilitate reassembly orientation where required If the motor is not firmly held in the vise it could be disl...

Page 11: ...c hammer on the rear end cover Set aside fallen parts in order as shown above Figure 7 Using a small screw driver remove the O ring from the endcover Figure 8 Remove disc valve and inspect for any spl...

Page 12: ...ure 15 Using a grease pen or etching ink add a mark to the stator for reference on reassembly Figure 11 Remove the stator from the motor and set aside Rotor and roller vanes will remain loose on the m...

Page 13: ...Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Remove the rotor from the drive link Figure 16 Using a grease pen add alignment mark from the drive link to the housing Figure 17 Remove the drive li...

Page 14: ...the O ring from the output shaft cover This will be the larger O ring Figure 22 Remove the shaft seal from the output shaft cover with an arbor press If you do not have an arbor press you can use a fl...

Page 15: ...ou reassemble the 3Z unit Lubricate all seals and seal rings with SAE 10W40 oil or clean grease before assembly NOTE Individual seals and seal rings as well as a complete seal kit are available The pa...

Page 16: ...paint chips are removed Figure 26 If the motor is not firmly held stable or in the vise it could tip over during the service procedures causing injury Place the dust seal onto the output shaft endcov...

Page 17: ...31 Figure 32 Grease all six bolts of the output shaft endcover with Loctite prior to wrenching torqueing them down Figure 31 Insert bolts into output shaft endcover and torque down to 222 266 lb in Fi...

Page 18: ...ignment marks on the housing face and the drive link are aligned Figure 36 Reinstall the rotor onto the drive link Make sure the alignment mark on the rotor are aligned with the alignment mark on the...

Page 19: ...smaller drive link into the rotor set Figure 42 Make sure to line up the guide pins with the pin holes in the motor body Reinstall the balance plate onto the motor Figure 43 Make sure to line up the...

Page 20: ...alignment mark on the drive link with any one of the holes on the disc valve and set the disc valve down onto the drive link Rotate the drive link 15 degrees clockwise to achieve reverse rotation Fig...

Page 21: ...Hydraulic Pump Motor Division Greeneville TN 37745 US 21 Assembly Install Bolts End of Assembly Install the four 4 motor bolts Do not grease these bolts before reinstalling Hand tighten first in an X...

Page 22: ...HY13 1597 01 US 3Z Motor Service Procedure 3ZG Series Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville TN 37745 US 22 Notes...

Page 23: ...documents Seller deems necessary to perfect its security interest 11 Improper use and Indemnity Buyer shall indemnify defend and hold Seller harm less from any claim liability damages lawsuits and co...

Page 24: ...Parker Hannifin Corporation Pump Motor Division 2745 Snapps Ferry Road Greeneville TN 37745 USA phone 423 639 8151 fax 423 787 2418 www parker com pumpmotor...