Model 250 Planetary Geardrive Service & Repair Manual
Contents
1. PLUG COVER 01 208 0030 01 208 0030 01 208 0030 01 208 0030 01 208 0030 01 208 0030 SHAFT SEAL 01 405 0500 01 405 0500 01 405 0500 01 405 0500 01 405 0500 01 405 0500 35 36 1 PLUG 1 4 NPT 01 207 0020 01 207 0020 01 207 0020 01 207 0020 01 207 0020 01 207 0020 GREASE FITTING OPTIONAL SHOWN 01 215 0040 01 215 0040 01 215 0040 01 215 0040 01 215 0040 01 215 0040 p FOR 13T 8 16 INPUT SPLINE USE P N 01 112 0030 THRUST WASHER USE ONLY WITH D COVER QUANTITY OF SHIMS DETERMINED BY BEARING PRELOAD E C N 1803 OPTIONS SEAL KIT P N 25 016 2021 X250KD2 AC DATE 4 24 00 INCLUDES 1 EA OF ITEMS 35 AND A QTY 3 OF ITEM 15 PRODUCT WARRANTY ESKRIDGE INC Eskridge warrants to its original purchaser Customer that new component parts Parts sold by Eskridge to the Customer will be free of defects in material and workmanship and will conform to standard specifications set forth in current Eskridge sales literature or to any custom specifications of the Customer acknowledged in writing by Eskridge SUBJECT TO THE FOLLOWING QUALIFICATIONS AND LIMITATIONS 1 Prior to placing warranted Parts in service the Customer shall provide proper storage such that foreign objects e g rain or debris cannot enter any Parts via entry ports which are normally closed during operation 2 If Parts requiring motorized power for operation are received from Eskridge with2. 3 Remove planet gears 10 and planet washers 16 from the carrier 5 4 If the planet bearings 25 require replacement slide them out of the planet gears 10 and replace with new ones 5 Check primary planet shafts 13 for any abnormal wear especially ones where bearings needed to be re placed If any abnormal wear is found replace planet shafts 6 Use 3 16 inch pin punch to remove roll pins 30 from planet shafts 13 RE ASSEMBLY 1 With planet washers 16 on both sides of the planet gear 10 and with bearings 25 installed slide gear into the carrier 5 Insert the planet shaft 13 through the carrier washers and planet gear 2 Planet shafts 13 should be installed with chamfered end of 3 16 inch hole toward outside diameter ofthe carrier 5 This will aid in alignment of holes while inserting roll pins 30 3 Drive a roll pin 30 through the carrier hole and into the planet shaft to retain the parts Repeat for other planet gears SECONDARY PLANET CARRIER SUBASSEMBLY ITEMS 6 8 12 17 23 24 amp 31 DISASSEMBLY AND REPAIR Si 2 Follow the same procedure as that for the primary plan etary assembly Substitute items as indicated planet gears 8 planet bearings 23 amp 24 planet shafts 12 roll pins 31 carrier 6 and washers 17 S C cC M A BASE SUBASSEMBLY ITEMS 1 7 18 19 20 21 22 26 27 33 35 amp 36 DISASSEMBLY AND
3. 004 1232 25 004 1232 25 004 1232 5 7 CARRIER PRIMARY 25 004 1052 25 004 1052 25 004 1042 25 004 1042 25 004 1032 25 004 1032 ein CARRIER SECONDARY 25 004 1072 25 004 1062 25 004 1072 25 004 1062 25 004 1072 25 004 1062 D1 OUTPUT SHAFT 20T 6 12 SPLINE 25 004 4032 25 004 4032 25 004 4032 25 004 4032 25 004 4032 25 004 4032 D2 OUTPUT SHAFT 3 75 DIA KEYED 25 004 4042 25 004 4042 25 004 4042 25 004 4042 25 004 4042 25 004 4042 C1 OUTPUT SHAFT CUSTOM PLANET GEAR SECONDARY 25 004 1092 25 004 1082 25 004 1092 25 004 1082 25 004 1092 25 004 1082 SUN GEAR SECONDARY 25 004 1152 25 004 1142 25 004 1152 25 004 1142 25 004 1152 25 004 1142 PLANET GEAR PRIMARY 25 004 1122 25 004 1122 25 004 1112 25 004 1112 25 004 1102 25 004 1102 INPUT GEAR INPUT 14T SPL 25 004 1202 25 004 1202 25 004 1172 25 004 1172 25 004 1162 25 004 1162 p lees pores emen ream roc o PLANET SHAFT SECONDARY 25 004 1021 25 004 1021 25 004 1021 25 004 1021 25 004 1021 25 004 1021 Nini IM PLANET SHAFT PRIMARY 25 004 1031 25 004 1031 25 004 1031 25 004 1031 25 004 1031 25 004 1031 oS e 27 THRUST WASHER CARRIER 25 004 1132 25 004 1132 25 004 1132 25 004 1132 25 004 1132 25 004 1132 SEAL O RING 01 402 0020 01 402 0020 01 402 0020 01 402 0020 01 402 0020 01 402 0020 THRUST WASHER PRI PLANET 81
4. BASE ASSEMBLY 1 Clean all foreign material from magnetic oil plug 33 located on side of base 1 Add a small amount of pipe thread compound to pipe plug before installing back into base 2 Place the base 1 output side up opposite shown on the press table 3 Apply a layer of lithium or general purpose bearing grease to surface of outer bearing cup 20 Insert the shaft into the base bearing cone down and use a soft hammer to install the shaft seal 35 into the mounting base CAUTION Output shaft is not retained at this point 4 Invertthis assembly so itis standing on the shaft on the press table NOTE Press bearing cone onto output shaft by pressing on inner race only DO NOT press on roller cage or it may damage bearing 5 Apply a layer of lithium or general purpose bearing grease to surface of inner bearing cup 22 Press the inner bearing cone 21 large end up as shown onto the shaft 7 until it is just seated against inner bearing cup 22 A slight preload of less than 100 in lbs rolling torque should be obtained 6 Relieve the press and slide the shim s 26 and the spacer 27 onto the shaft 7 Install the retaining ring 18 into the shaft groove It is important that the retaining ring is completely seated in the groove If the retaining ring cannot be installed into the groove one shim must be removed and the procedure must be repeated Once the retaining ring is installed check for proper
5. REPAIR 3 C 1 Remove the shaft retaining ring 18 Remove the spacer 27 and shim s 26 CAUTION Output shaft is no longer retained Care should be taken notto injure feet because output shaft can fall out Care should also be taken not to damage output shaft when shaft is pressed through base 2 Output shaft removal Base 1 should be set pinion side down as shown on a plate or table with output shaft 7 protruding through a hole in table Press output shaft out bottom of base by applying a load to top end internal end of shaft until it passes through inner shaft bearing cone 21 3 If outer bearing cone 19 on the shaft needs to be removed a gear puller may be used otherwise skip to step number 6 If reusing old bearing cone do not pull on or damage roller cage Remove the shaft seal 35 for inspection or replacement 4 Lubricate inner lip of new shaft seal 35 and slide the seal onto the shaft 7 until it fits snugly over shaft seal diameter with the open side toward the inside of the gearbox NOTE Press bearing cone onto output shaft by pressing on inner race only DO NOT press on roller cage or it may damage bearing 4 5 Press outer bearing cone 19 large end down as shown onto the shaft until it seats against the shoulder Bearing cone 19 may be reused if it was removed only to replace the seal 35 6 Inspect inner and outer bearing cups 20 amp 22 and replace if necessary
6. shaft bearing preload by pressing down on the end of the shaft and rotating the mounting base There should be from 50 to 100 in lbs of rolling resistance in the bearings If the retaining ring is not tight against the spacer remove the spacer and add one shim and repeat the procedure until the preload is acceptable All subassembly service or repairs should be complete at this time Continue on through UNIT ASSEMBLY to complete unit buildup UNIT ASSEMBLY Refer to exploded drawing on page 7 1 When all subassemblies are complete unit is ready to be assembled 2 Lubricate o ring 15 and install on the O D pilot of the secondary ring gear 3 Referring to scribe marks for proper orientation install the secondary ring gear 3 onto the base 1 3 Install the secondary planet carrier 6 assemble by rotating it until planet gears line up with ring gear teeth and shaft spline Press until fully seated on shaft 7 4 Lubricate o ring 15 and install on the O D pilot of the primary ring gear 2 and install the primary ring gear 2 Refer to scribe marks for proper orientation 5 Slide the sun gear 9 into the secondary planet carrier 6 6 Install carrier thrust washer 14 7 Install primary planet carrier 5 assemble by rotating it until planet gears line up with ring gear teeth and sun gear spline Assembly should drop into place 8 Slide the input gear 11 into the primary planetary carrier
7. 04 1561 81 004 1561 81 004 1561 81 004 1561 81 004 1561 81 004 1561 THRUST WASHER SEC PLANET 25 004 1041 25 004 1041 25 004 1041 25 004 1041 25 004 1041 25 004 1041 RETAINING RING 01 160 0600 01 160 0600 01 160 0600 01 160 0600 01 160 0600 01 160 0600 BEARING CONE OUTER 01 102 0120 01 102 0120 01 102 0120 01 102 0120 01 102 0120 01 102 0120 BEARING CUP OUTER 01 103 0110 01 103 0110 01 103 0110 01 103 0110 01 103 0110 01 103 0110 BEARING CONE INNER 01 102 0250 01 102 0250 01 102 0250 01 102 0250 01 102 0250 01 102 0250 BEARING CUP INNER 01 103 0250 01 103 0250 01 103 0250 01 103 0250 01 103 0250 01 103 0250 BEARING SEC PLANET GEAR 01 105 0550 01 105 0550 01 105 0550 01 105 0550 01 105 0550 01 105 0550 BEARING SEC PLANET GEAR 01 105 0560 01 105 0560 01 105 0560 01 105 0560 01 105 0560 01 105 0560 BEARING PRI PLANET GEAR 01 105 0570 01 105 0570 01 105 0570 01 105 0570 01 105 0570 01 105 0570 SHIM SHAFT ADJUSTMENT 25 004 1051 25 004 1051 25 004 1051 25 004 1051 25 004 1051 25 004 1051 1 SPACER 25 004 1061 25 004 1061 25 004 1061 25 004 1061 25 004 1061 25 004 1061 THRUST WASHER W 13T INPUT 01 112 0030 01 112 0030 01 112 0030 01 112 0030 01 112 0030 01 112 0030 20 HH C S 5 8 11 X 7 GR 8 ROLL PIN 3 16 X 1 ROLL PIN 3 16 X 1 1 4 o olo 2 2 25 2 2 ojlo o wm o o
8. 9 Install carrier thrust washer 14 and input gear thrust washer 28 10 Lubricate o ring 15 and install on the O D pilot of the cover 4 Position the cover 4 with the proper orienta tion Install the twenty 5 8 11 capscrews 29 with lockwashers 32 and torque to 220 ft lbs dry 170 ft Ibs lubed 11 Fill to proper level as specified on page 2 with EP 80 90 gear oil after unit is sealed with a brake and or motor THE GEARDRIVE IS NOW READY TO USE DGE MODEL 250 RATIO 25 88 1 EFFECTIVE 4 3125 1 KEN i 8 5714 1 8 5714 1 FROM S N 28500 01 01 97 Sao 4 8957 1 6 00 1 TO CURRENT Mi 250A BASE ROUND 25 004 3042 25 004 3042 25 004 3042 25 004 3042 25 004 3042 25 004 3042 111 250F BASE FLANGELESS 25 004 3052 25 004 3052 25 004 3052 25 004 3052 25 004 3052 25 004 3052 CUSTOM BASE 2 1 RING GEAR PRIMARY 25 004 1012 25 004 1012 25 004 1012 25 004 1012 25 004 1012 25 004 1012 3 1 RING GEAR SECONDARY 25 004 1022 25 004 1022 25 004 1022 25 004 1022 25 004 1022 25 004 1022 A SAE A COVER 25 005 2061 25 005 2061 25 005 2061 25 005 2061 25 005 2061 25 005 2061 4 1 B SAE B COVER 25 005 2051 25 005 2051 25 005 2051 25 005 2051 25 005 2051 25 005 2051 C SAE C 2 AND 4 BOLT 25 004 1222 25 004 1222 25 004 1222 25 004 1222 25 004 1222 25 004 1222 D SAE D COVER 25 004 1232 25 004 1232 25 004 1232 25
9. FOR ANY PARTICULAR PURPOSE REGARDLESS OF ANY KNOWLEDGE ESKRIDGE MAY HAVE OF ANY PARTICULAR USE OR APPLICATION INTENDED BY THE PURCHASER THE SUITABILITY OR FITNESS OF THE PARTS FOR THE CUSTOMER S INTENDED USE APPLICATION OR PURPOSE AND THE PROPER METHOD OF INSTALLATION OR MOUNTING MUST BE DETERMINED BY THE CUSTOMER WARRANTY RETURN POLICY 1 All Parts shall be returned freight prepaid 2 Any Parts qualifying for warranty will be repaired with new Parts free of charge except for freight charges as provided above 3 If parts are found to be operable you have two options a The Parts can be returned to you with a service charge for inspection cleaning and routine replacement of all rubber components and any other parts that show wear or b We can dispose of the Parts at the factory if you do not wish it to be returned NOTE Any order of Parts by customer shall only be accepted by Eskridge subject to the terms stated herein Any purchase order forms used by Customer to accept this offer to sell which contain terms contrary to different from or in addition to the terms herein shall be without effect and such terms shall constitute material alteration of the offer contained herein under K S A 84 2 207 2 b and shall not become part of the contract regarding the sale of the Parts OTHER ESKRIDGE PRODUCTS PLANETARY GEARDRIVES SERIES TORQUE RATING MAX INTERMITTENT 20 28 SERIES 20 000 28 000 IN LBS DU SERIES 50 000 IN LBS 60 SE
10. RIES 60 000 IN LBS 100 SERIES 100 000 IN LBS 130 SERIES 130 000 IN LBS 150 SERIES 150 000 IN LBS 250 SERIES 250 000 IN LBS 600 SERIES 600 000 IN LBS 1000 SERIES 1 000 000 IN LBS MULTIPLE DISC BRAKES SERIES TORQUE RATING 90B SAEB TO4 800 IN LBS 90BA SAEB ADJUSTABLE TORQUE TO4 800 IN LBS 92B SAE BLOW PROFILE TO2 800 IN LBS 93 FOR NICHOLS MOTORS TO6 100 IN LBS 95C SAEC TO 12 000 IN LBS 95W WHEEL MOUNT TO 21 000 IN LBS 98D SAED TO 25 000 IN LBS PLANETARY AUGER DRIVES DIGGERS SERIES TORQUE RATING D50 MODELS 1500 2500 amp 5000 1 500 5 000 FT LBS 76 MODELS BA amp BC TWO SPEED 8 000 12 500 FT LBS 77 MODELS BA BC amp BD 6 000 12 500 FT LBS 78 MODELS 35 8 48 TWO SPEED 9 000 12 500 FT LBS 75 MODELS 38 amp 51 TWO SPEED 16 500 20 000 FT LBS ix ESKRIDGE Your nearest Eskridge Distributor is 1900 Kansas City Road Olathe Kansas 66061 phone 913 782 1238 fax 913 782 4206 WEBSITE www eskridgeinc com E MAIL sales eskridgeinc com
11. Ze ESKRIDGE EXAMPLE PART NUMBER 250 A D1 C 4 51 Z MOUNTING OUTPUT INPUT INPUT SERIES FLANGE SHAFT MOUNTING SPLINE OPTIONS Model 250 Planetary Geardrive Service amp Repair Manual EFFECTIVE FOR FROM S N 28500 TO CURRENT g250 a Rev A MODEL 250 SERVICE MANUAL DOUBLE PLANETARY GEARDRIVE This manual will assist in disassembly and assembly of the above model planetary geardrives Item numbers indicated in parentheses throughout this manual refer to the exploded parts breakdown drawing Individual customer specifica tions mounting case output shaft brake assembly etc may vary from exploded drawing and standard part numbers shown If applicable refer to individual customer drawing for details For any spare or replacement parts contact your distributor or equipment manufacturer Always try to have available the geardrive unit part number serial number and date code on the serial tag This information may be necessary for verification of any component part numbers Component part numbers and or manufacturing lot numbers may be stamped on individual parts This information may also be helpful in identifying replacement components LUBRICATION amp MAINTENANCE Change the oil after the first 50 hours of operation Oil should be changed at 500 hour intervals thereafter Us
12. e a GL 5 grade EP 80 90 gear oil EP Extreme Pressure The geardrive should be partially disassembled to inspect gears and bearings at 1000 hour intervals If your unit was specified shaft up or with a Z option a grease zerk was provided in the base housing For shaft up operation the output bearing will not run in oil and must be grease lubricated Use a lithium base or general purpose bearing grease sparingly every 50 operating hours or at regular maintenance intervals Over greasing the output bearing tends to fill the housing with grease and thicken the oil OPERATING POSITION Horizontal shaft Vertical shaft OIL CAPACITY 6 00 pints 2 8 liters 10 0 pints 4 7 liters OIL LEVEL To horizontal centerline of geardrive To midway on upper primary gearset WARNING While working on this equip ment wear adequate protective clothing 6 If sun gear 9 has not been removed from geardrive do so now Sometimes the sun gear remains in the primary carrier 5 hearing eye and respiratory protection Use safe lifting procedures 7 Remove primary ring gear 2 Inspect second o ring 15 as before discard if damaged UNIT DISASSEMBLY PROCEDURE Refer to exploded view drawing on page 7 8 Remove carrier thrust washer 14 Lift the secondary planetary assembly out of the unit includes items 6 8 12 17 23 24 amp 31 Use a puller if necessary 1 Scribe a diagonal line across the outside ofthe unit
13. from the cover 4 to the base 1 before disassembly to assure proper positioning of pieces during reassembly 2 Remove magnetic drain plug 33 and drain oil from unit Maximum drainage occurs when oil is warm 9 Remove secondary ring gear 3 Inspect third o ring 15 as before discard if damaged 10 The unitis now disassembled into groups of parts The area s requiring repair should be identified by thorough inspection of the parts after they have been cleaned and 3 Remove the twenty hex head capscrews 29 and lockwashers 32 4 Remove the cover 4 thrust washer 28 input gear 11 and carrier thrust washer 14 Inspect o ring 15 discard if damaged or if it has taken a set 5 Lift the primary planet carrier assembly out of the unit includes items 5 10 13 16 25 amp 30 dried Then refer to the appropriate group repair section below 1 Primary Planet Carrier subassembly 2 Secondary Planet Carrier subassembly 3 Base subassembly PRIMARY PLANET CARRIER SUBASSEMBLY ITEMS 5 10 13 16 25 amp 30 DISASSEMBLY AND REPAIR b Rotate planet gears 10 to check for abnormal noise or roughness in bearings 25 or planet shafts 13 If further inspection or replacement is required proceed as follows NOTE Support carrier 5 only while pressing out planet shafts 1 Drive roll pins 30 completely into the planet shafts 13 2 Press or drive planet shafts 13 out of carrier 5
14. improper installation mounting use or maintenance 6 Eskridge makes no warranty in respect to hydraulic motors mounted on any Parts Failure of any such motor will be referred to the motor manufacturer 7 Claims under this warranty will be satisfied only by repair of any defect s or if repair is determined by Eskridge in its sole absolute and uncontrolled discretion to be impossible or impractical by replacement of the Parts or any defective component thereof No cash payment or credit will be made for defective materials or workmanship IN NO EVENT SHALL ESKRIDGE BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR NATURE WHICH DAMAGES ARE HEREBY EXPRESSLY DISCLAIMED 8 From time to time Eskridge may make changes in the component parts manufactured by it without incorporating such changes in the component parts previously shipped Such changes shall not constitute an admission by Eskridge of any defects or problems with previously manufactured component parts 9 All freight charges on Parts returned for warranty service are the responsibility of the Customer THE FOREGOING WARRANTY IS THE SOLE WARRANTY MADE BY ESKRIDGE WITH RESPECT TO ANY PARTS AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF WITHOUT LIMITING THE GENERALITY OF THE FOREGOING ESKRIDGE EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANT ABILITY OR FITNESS
15. out a motor documentation must be available indicating proper lubrication upon placement of the Parts in service 3 The Customer must notify Eskridge in writing of any claim for breach of this warranty promptly after discovery of a defect and in any event prior to the termination of the warranty period which shall commence when a unit is placed in service and shall expire upon the earlier of i the expiration of twelve 12 months from the date of Commencement of Service as defined in Paragraph 4 ii the completion of one thousand 1 000 hours of service of the Parts iii the expiration of six 6 months after the expiration of any express warranty relating to the first item of machinery or equipment in which the Parts are installed or on which it is mounted or iv the installation or mounting of the Parts in or on an item of machinery or equipment other than the first such item in which the Parts are installed or on which the Parts are mounted 4 Parts shall be deemed to have been place in service the Commencement of Service at the time the machinery or equipment manufactured or assembled by the Customer and in which the Parts are installed or on which the Parts are mounted is delivered to the Customer s dealer or the original end user which ever receives such machinery or equipment first 5 This warranty shall not apply with respect to Parts which upon inspection by Eskridge show signs of disassembly rework modifications or
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