250L PLANETARY GEAR DRIVE SERVICE AND REPAIR
Contents
1. U u u 7 Other Eskridge Products KANINA rn 8 Planetary Gear Drives ann Eee 8 Multiple Disc Brake iiiaae ae 8 Planetary Auger Drives Anchor Drives amp Diggers 8 Unit Disassembly Procedure Refer to exploded view drawing Scribe a diagonal line across the outside of the unit 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 3 Remove the twenty hex head capscrews 29 and lockwash ers 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 in cludes Items 5 10 13 16 25 amp 30 6 If sun gear 9 has not been removed from gearbox do so now Sometimes the sun gear remains in the primary carrier 5 7 Remove primary ring gear 2 Inspect second o ring 15 as before discard if damaged 8 Remove carrier thrust washer 14 Lift the secondary plan etary assembly out of the unit includes Items 6 8 12 17 23 24 4 31 Use a puller if necessary 9 Remove secondary ring gear 3 Inspect third o ring 15 as before discard if damaged 10 The unit is now disassembled into groups of parts The a2. ESKRIDGE 250L PLANETARY GEAR DRIVE SERVICE AND REPAIR MANUAL Example Part Number eee Gear Drive Output Input Input j Mogel Mounting Shaft Mounting Spline Ratio Options THIS SERVICE MANUAL IS EFFECTIVE FROM SIN 28500 JAN 1997 CURRENT REF SM250LD2 AB 250L MODEL SERVICE MANUAL DOUBLE STAGE PLANETARY GEAR DRIVE 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 specifications 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 8 MAINTENANCE Change the oil after the first 50 hours of operation Oil should be changed at 500 hour intervals thereafter Use a GL 5 grade EP 80 90 gear oil EP Extreme Pressure The geardrive should be partially disassembled to i
3. 0500 01 405 0500 01 405 0500 01 405 0500 36 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 011 215 0040 01 215 0040 01 215 0040 01 215 0040 01 215 0040 01 215 0040 gt 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 OPTIONS SEAL KIT P N 25 016 2021 E C N 1803 INCLUDES 1 EA OF ITEMS 35 X250LD2 AB DATE 4 24 00 AND A QTY 3 OF ITEM 15 Eskridge Product Warranty ESKRIDGE INC Eskridge warrants to its original purchaser Customer that new component parts units Units sold by Eskridge will be free of defects in material and workmanship and will conform to standard specifications set forth in Eskridge sales literature current at the time of sale or to any custom specifications acknowledged by written Customer approval of drawings SUBJECT TO THE FOLLOW ING QUALIFICATIONS AND LIMITATIONS 1 Prior to placing Units in service the Customer shall provide proper storage such that foreign objects e g rain or debris cannot enter any Units via entry ports which are normally closed during operation 2 The Customer must notify Eskridge in writing of any claim for breach of this warranty promptly after discovery of a defect The war ranty period shall commence w
4. for proper orientation 1N Slide the sun gear 9 into the secondary planet carrier 6 Install carrier thrust washer 14 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 Slide the input gear 11 into the primary planetary carrier Install carrier thrust washer 14 and input gear thrust washer 28 Lubricate o ring 15 and install on the O D pilot of the cover 4 Position the cover 4 with the proper orientation Install the twenty 5 8 11 capscrews 29 with lockwashers 32 and torque to 220 ft lbs dry 170 ft lbs lubed 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 gearbox is now ready to use 250L Double Stage Exploded View Drawing ogs MODEL 250L Ba E RATIO EFFECTIVE 4 3125 1 4 3125 1 6 30 1 30 8 5714 1 8 5714 1 FROM S N 28500 01 01 97 4 6957 1 6 00 1 4 6957 1 00 4 6957 1 6 00 1 TO CURRENT 25 004 3042 25 004 3042 25 004 3042 25 004 3042 25 004 3042 25 004 3042 25 004 3052 25 004 3052 25 004 3052 25 004 3052 25 004 3052 25 004 3052 25 005 2061 25 005 2061 25 005 2061 25 005 2061 25 005 2061 25 005 2061 25 005 2051 25 005 2051 25 005 2051 25 005 2051 25 005 2051 25 005 2051 25 004 1222 25 004 1222 25 004 1222 25 004 1222 25 004 1222 25
5. 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 dam age bearing 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 Reassembly 1 Clean all foreign material from magnetic oil plug 33 located on side of base 1 Add a small amount of pipe thread com pound 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 Invert this assembly so it is 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 dam age 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
6. with chamfered end of 3 16 inch hole toward outside diameter of the carrier 6 This will aid in alignment of holes while inserting roll pins 31 Drive a roll pin 31 through the carrier hole and into the plan et shaft to retain the parts Repeat for other planet gears Base Subassembly Items 1 7 18 19 20 21 22 26 27 33 35 8 36 MATCHING 48 HALVES 1 Remove the lock ring 27 using a heel bar or puller If using a heel bar do not pry against the cage of the inner output shaft bearing 21 Remove the split ring segments 18 and shims 26 CAUTION Output shaft is no longer retained Care should be taken not to 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 pro truding 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 Ifouter 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 replace ment 4 Lubricate inner lip of new shaft seal 35 and slide the seal onto the shaft 7 until it fits snugly over shaft
7. 004 1222 25 004 1232 25 004 1232 25 004 1232 25 004 1232 25 004 1232 25 004 1232 D2 OUTPUT SHAFT 3 75 DIA KEYED 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 mp INPUT GEAR INPUT 14T SPL 25 004 1202 25 004 1202 004 1172 25 004 1172 25 004 1162 25 004 1162 INPUT GEAR INPUT 13T SPL 25 004 1292 25 004 1292 25 004 1282 25 004 1282 25 004 1272 25 004 1272 PLANET SHAFT SECONDARY 25 004 1021 25 004 1021 25 004 1021 25 004 1021 25 004 1021 25 004 1021 PLANET SHAFT PRIMARY 25 004 1031 25 004 1031 25 004 1031 25 004 1031 25 004 1031 25 004 1031 THRUST WASHER CARRIER 25 004 1132 25 004 1132 25 004 1132 25 004 1132 25 004 1132 25 004 1132 01 402 0020 01 402 0020 01 402 0020 01 402 0020 01 402 0020 01 402 0020 MATCHING 81 004 1561 81 004 1561 81 004 1561 81 004 1561 81 004 1561 81 004 1561 HALVES 18 25 004 1041 25 004 1041 25 004 1041 25 004 1041 25 004 1041 25 004 1041 25 004 1182 25 004 1182 25 004 1182 25 004 1182 25 004 1182 25 004 1182 BEARING CONE OUTER 01 102 0120 01 102 0120 01 102 0120 01 102 0120 01 102 0120 01 102 0120 BEARING CUP OU
8. 100E 105E 130 150 250K L 251K L 252K L 253K L 600K L 100K L Multiple Disc Brakes FEATURES SAE B SAE B ADJUSTABLE TORQUE SAE B LOW PROFILE FOR NICHOLS MOTORS SAE C SAE C WHEEL MOUNT SAE D MODELS 1500 2500 amp 5000 BA amp BC 2 SPEED BA BC amp BD 35 amp 48 2 SPEED 38 4 51 2 SPEED D600 D1000 X34 ESKRIDGE P O Box 875 m 1900 Kansas City Road s Olathe KS 66051 TORQUE RATING IN LB MAX INTERMITTENT 20 000 50 000 50 000 60 000 100 000 100 000 130 000 150 000 250 000 600 000 1 000 000 TORQUE RATING IN LB TO 4 800 TO 4 800 TO 2 800 TO 6 100 TO 12 000 TO 21 000 TO 25 000 lanetary Auger Drives Anchor Drives amp Diggers TORQUE RATING FT LB 1 500 5 000 8 000 12 500 6 000 12 500 9 000 12 500 16 500 20 000 50 000 83 000 Phone 913 782 1238 m Fax 913 782 4206 m Sales Eskridgelnc com m www Eskridgelnc com
9. TER 01 103 0110 041 103 0110 01 103 0110 014 103 0110 041 103 0110 041 103 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 071 103 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 THRUST WASHER INPUT GEAR 81 004 2883 81 004 2883 004 2883 81 004 2883 81 004 2883 81 004 2883 01 150 1630 01 150 1630 01 150 1630 01 150 1630 01 150 1630 01 150 1630 ROLL PIN 3 16 X 1 01 153 0020 01 153 0020 01 153 0020 01 153 0020 01 153 0020 01 153 0020 ROLL PIN 3 16 X 1 1 4 01 153 0190 01 153 0190 01 153 0190 01 153 0190 01 153 0190 01 153 0190 20 LOCKWASHER 5 8 01 166 0040 01 166 0040 01 166 0040 01 166 0040 01 166 0040 01 166 0040 PIPE PLUG 1 2 NPT MAGNETIC BASE 01 207 0041 01 207 0041 041 207 0041 01 207 0041 01 207 0041 001 207 0041 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
10. arrier hole and into the plan et shaft to retain the parts Repeat for other planet gears Secondary Planet Carrier Subassembly Items 6 8 12 17 23 24 amp 31 Follow the same procedure as that for the primary planetary as sembly Substitute Items as indicated planet gears 8 planet bearings 23 amp 24 planet shafts 12 roll pins 31 carrier 6 and washers 17 Rotate planet gears 8 to check for abnormal noise or roughness in bearings 23 8 24 or planet shafts 12 If further inspection or replacement is required proceed as follows NOTE Support carrier 6 only while pressing out planet shafts Drive roll pins 31 completely into the planet shafts 12 Press or drive planet shafts 12 out of carrier 6 Remove planet gears 8 and planet washers 17 from the carrier 6 If the planet bearings 23 amp 24 require replacement press them out of the planet gears 8 and replace with new ones Check primary planet shafts 12 for any abnormal wear es pecially ones where bearings needed to be replaced If any abnormal wear is found replace planet shafts Use 3 16 inch pin punch to remove roll pins 31 from planet shafts 12 Reassembly With planet washers 17 on both sides of the planet gear 8 and with bearings 23 8 24 installed slide gear into the carrier 6 Insert the planet shaft 12 through the carrier washers and planet gear Planet shafts 12 should be installed
11. cup 22 A slight preload of less than 100 in Ibs rolling torque should be obtained 6 Relieve the press and slide the shim s 26 onto the shaft Coat the split ring 18 with anti seize compound and begin installing ring in groove of shaft Tap the segments into the groove of the shaft until you can drive the lock ring 27 over the segments Be sure the lock ring 27 clicks over the detent which helps keep the LOAD n LOCK in place Mea sure the rolling torque of the output shaft torque is the prod uct of the force Ibs times the distance from the center line of the gearbox in The rolling torque should be 50 to 100 Ibs If the rolling torque is too high remove the load and lock and remove a shim and install LOAD n LOCK and measure again If torque is too low add a shim and measure again Unit Reassembly Refer to exploded drawing 1 When all subassemblies are complete unit is ready to be as sembled 2 Lubricate o ring 15 and install on the O D pilot of the sec ondary 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 pri mary ring gear 2 and install the primary ring gear 2 Refer to scribe marks
12. hen a unit is placed in service and shall expire upon the earlier of a the expiration of twelve 12 months from the date of Commencement of Service as defined in Paragraph 4 b the completion of one thousand 1000 hours of service of the Units c 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 Units are installed or on which it is mounted or d the installation or mounting of the Units in or on an item of machinery or equipment other than the first such item in which the Units are installed or on which the Units are mounted 3 Units shall be deemed to have been placed in service the Commencement of Service at the time the machinery or equipment manufactured or assembled by the Customer and in which the Units are installed or on which the Units are mounted is delivered to the Customer s dealer or the original end user which ever receives such machinery or equipment first 4 This warranty shall not apply with respect to Units which upon inspection by Eskridge show signs of disassembly rework modifica tions lack of lubrication or improper installation mounting use or maintenance 5 Eskridge makes no warranty in respect to hydraulic motors mounted on any Units Failure of any such motor will be referred to the motor manufacturer 6 Claims under this warranty will be satisfied only by repair of any defect s or if repair is determi
13. ned by Eskridge in its sole absolute and uncontrolled discretion to be impossible or impractical by replacement of the Units or any defective component thereof No cash payment or credit will be made for defective materials workmanship labor or travel IN NO EVENT SHALL ESKRIDGE BE LI ABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR NATURE FOR WHICH DAMAGES ARE HEREBY EXPRESSLY DISCLAIMED 7 From time to time Eskridge may make design changes in the component Units manufactured by it without incorporating such changes in the component Units previously shipped Such design changes shall not constitute an admission by Eskridge of any defects or problems in the design of previously manufactured component Units 8 All freight charges on Units returned for warranty service are the responsibility of the Customer Warranty Return Policy 1 Any part Unit s retumed to Eskridge must be authorized by Eskridge with an assigned return CSR number 2 All Units shall be returned freight prepaid 3 Any Units qualifying for warranty will be repaired with new parts free of charge except for freight charges to Eskridge as provided above 4 If Units are found to be operable you have two options a The Units can be returned to you with a service charge for inspection cleaning and routine replacement of all rubber components and any other Units that show wear b We can dispose of the Unit s at the factory if you do not wish it to be
14. nspect 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 Oil Capacity Oil Level Horizontal Shaft 6 0 pints 2 8 liters To horizontal centerline of gear drive Vertical Shaft 10 0 pints 4 7 liters To midway on upper primary gear set WARNING While working on this equipment use safe lifting procedures wear adequate clothing and wear hearing eye and respiratory protection CONTENTS Example Part Number rn Ehen 1 Lubrication amp Maintenance uuu u 2 Unit Disassembly Procedure ni a nie 3 Primary Planet Carrier Subassembly 3 Secondary Planet Carrier Subassembly 3 Base Subassembly u near u 4 Unit Reassembly u u ae eu 4 250L Double Stage Exploded View Drawing 6 Eskridge Product Warranty ana 7 Warranty Return Policy
15. rea s requiring repair should be identified by thorough inspection of the parts after they have been cleaned and dried Primary Planet Carrier Subassembly Items 5 10 13 16 25 8 30 Rotate planet gears 10 to check for abnormal noise or rough ness 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 Drive roll pins 30 completely into the planet shafts 13 2 Press or drive planet shafts 13 out of carrier 5 3 Remove planet gears 10 and planet washers 16 from the carrier 5 4 Ifthe planet bearings 25 require replacement press them out of the planet gears 10 and replace with new ones 5 Check primary planet shafts 13 for any abnormal wear es pecially ones where bearings needed to be replaced If any abnormal wear is found replace planet shafts 6 Use 3 16 inch pin punch to remove roll pins 30 from planet 3 shafts 13 Reassembly 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 of the carrier 5 This will aid in alignment of holes while inserting roll pins 30 3 Drive a roll pin 30 through the c
16. returned NOTE Any order of Units 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 Units The foregoing warranty is the sole warranty made by Eskridge with respect to any Units 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 merchantability or fitness 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 Units for the customer s intended use application or purpose and the proper method of installation or mounting must be determined by the customer SERIES 20 28 50 65 100 105 130 150 250 600 1000 SERIES 90B 90BA 92B 93 95C 95W 98D P SERIES D50 76 77 78 75 D600 D1000 OTHER ESKRIDGE PRODUCTS Planetary Gear Drives MODELS 20B 20P 20LB 20LP 28B 28P 28M 28LB 28LP 50K L 50LG 50N 60B 60E 60L
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