20b/20p planetary gear drive service & repair manual
Contents
1. 01 105 0010 3 19 BEARING SEC PLANET 50 004 1091 1 21 THRUST WASHER INPUT 01 150 1400 6 22 HEX CAPSCREW 5 16 18 X 1 5 GR8 01 153 0210 3 23 ROLLPIN SECONDARY 3 16 X 7 8 01 160 0250 1 25 RETAINING RING _ 01 166 0110 6 26 LOCKWASHER 5 16 MED 01 207 0070 2 27 PIPE PLUG MAG 3 8 NPT SOC HD A TE A 01 215 0050 1 28 GREASE FITTING OPTIONAL 01 402 0560 1 29 O RING 167 MM X 3 MM 01 405 0610 1 30 SEAL SHAFT 01 216 0070 1 35 AIR VENT 3 8NPT OPTIONAL NOTE BEARING PRELOAD DETERMINES QUANTITY OF SHIMS SEAL KIT P N 20 016 0511 INCLUDES ITEMS 29 AND 30 ECN 1083 X20PD1 BD DATE 05 08 00 20B Double Stage Exploded View Drawing s ESREIDEE MODEL B20 DOUBLE PLANETARY RATIO S 16 65 1 20 62 1 EFFECTIVE FROM S N 16401 07 01 93 TO CURRENT INVERTED C O DESCRIPTION ITEM QTY PART NUMBER PART NUMBER PART NUMBER PART NUMBER E B20 CASE SQUARE DOUBLE PLT NO ZERK 20 004 3014 gt B20 CASE SQUARE DOUBLE PLT W ZERK 20 004 3014Z C20 CASE CUSTOM PER CUSTOMER SPECS E COVER SAE A 85 004 1513 COVER SAE B 2 BOLT 85 004 1503 COVER SAE C 4 BOLT 28 004 1013 2 DIA SHAFT 3 8 KEYWAY 20 004 4022 SHAFT 23T 12 24 D P SPLINE 20 004 4032 2 DIA SHAFT 1 2 KEYWAY 20 004 4042 2 25 D SHAFT 1 2 KEYWAY 28 004 42022. 754 ESKRIDGE EXAMPLE PART NUMBER 20 B D1C 3 20 Z GEARDRIVE SERIES MOUNTING OUTPUT SHAFT INPUT MOUNTING INPUT SPLINE OPTIONS 20B 20P PLANETARY GEAR DRIVE SERVICE amp REPAIR MANUAL THIS SERVICE MANUAL IS EFFECTIVE FROM S N 16401 JULY 1993 TOP CURRENT RECI SM20B20PD2 AC 20B 20P SERVICE MANUAL SINGLE AND DOUBLE STAGE PLANETARY GEAR DRIVE This manual will assist in disassembly and assembly of the above series 20 planetary gear drives 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 gear drive 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 O
3. SHAFT CUSTOM PER CUSTOMER SPECS CARRIER SECONDARY 4 1 200041282 20 0041282 _ 20 004 1292 20 004 1292 PLANET GEAR SEC 3 20 004 1041 20 004 1041 _ 20 004 1051 20 004 1051 PLANET GEAR PRI 3 _ 85 004 1031 85 004 1021 _ 85 004 1031 85 004 1021 SUPPORT WASHER 1 _ 20 004 1031 SHIM 9 20 004 1091 INPUT GEAR 21T 20 40 D P SPLINE 85 004 1402 85 004 1402 N A INPUT GEAR 13T 16 32 D P SPLINE 85 004 1102 _ 85 004 1062 85 004 1062 INPUT GEAR SAE 1 6B SPLINE 85 004 1122 85 004 1112 85 004 1112 INPUT GEAR 14T 12 24 D P SPLINE 85 004 1533 85 004 1533 N A INPUT GEAR 15T 16 32 D P SPLINE 85 004 1542 85 004 1422 85 004 1422 INPUT GEAR 1 DIA X 25 KEY 85 004 1582 85 004 1582 N A PLANET SHAFT SECONDARY 20 004 1081 PLANET SHAFT PRIMARY 81 004 0071 Till MM THRUST WASHER SEC CUP 50 004 1011 7 II a THRUST WASHER SEC PLANET GEAR 85 04 1181 AU THRUST WASHER PRI PLANET GEAR 81 004 1561 x gt BEARING CONE 014 102 0160 S BEARING CUP 01 103 0160 BEARING SEC PLANET 01 105 0010 BEARING PRI PLANET 01 105 0410 THRUST WASHER INPUT 50 004 1091 HEX CAPSCREW 5 16 18 X 1 5 GR8 01 150 1400 ROLLPIN SECONDARY 3 16 X 7 8 01 153 0210 ROLLPIN PRIMARY 118 X 1 01 153 0080 RETAINING R
4. Sec ondary sun gear 10 is splined to primary carrier 5 and may come out when removing planetary assembly If not remove sun gear The secondary planetary assembly includes items 4 6 12 14 15 19 amp 23 is splined to the output shaft 3 It may now be lifted by hand from output shaft spline Place unit on a press table with the output shaft 3 protruding downward through a hole in the table Unit should be supported only by mounting case 1 The only thing retaining output shaft 3 is the retaining ring Remove retaining ring 25 from output shaft followed by support washer 8 and bearing shims 9 CAUTION Retaining ring is no longer retaining output shaft Take precautions if moving unit Shaft may fall out 7 With output shaft down through centerhole in press table and unit supported by case press shaft out by applying press load to top end of shaft internal end until it passes through inner bearing cone 17 Outer bearing cone 17 will come out of unit attached to shaft CAUTION Care should be taken not to injure feet or damage output shaft during this procedure Once shaft has been pressed through inner shaft bearing it will drop from unit The unit is now disassembled into groups of parts and or subassemblies The area requiring repair or service should be identified by thorough inspection of the parts after they have been washed in solvent If repair is nec essary refer to the individual r
5. 20 004 1041 20 004 1051 3 6 PLANET GEAR SEC T 20 004 1031 1 8 SUPPORT WASHER 20 004 1091 9 SHIM 20 004 1302 N A 1 NPUT GEAR 21T 20 40 D P SPLINE 20 004 1122 20 004 1132 2 NPUT GEAR 13T 16 32 D P SPLINE 20 004 1102 200041112 3 NPUT GEAR SAE 1 6B SPLINE 20 004 1192 N A 4 NPUT GEAR 14T 12 24 D P SPLINE 20 004 1322 20 004 1312 5 NPUT GEAR 157 16 32 D P SPLINE 20 004 1142 N A 6 NPUT GEAR 1 DIA X 25 KEY 20 004 1081 3 12 PLANET SHAFT SECONDARY 50 004 1011 1 14 THRUST WASHER SEC CUP 85 004 1181 6 15 THRUST WASHER SEC PLANET GEAR 01 102 0160 2 17 BEARING CONE 01 103 0160 2 18 BEARING CUP 01 105 0010 3 19 BEARING SEC PLANET 7 50 004 1091 1 21 THRUST WASHER INPUT 01 150 1400 6 22 HEX CAPSCREW 5 16 18 X 1 5 GR8 01 53 0210 3 23 ROLLPIN SECONDARY 3 16 X 7 8 01 160 0250 1 25 RETAINING RING NO N5100 206 LL 01 166 0110 6 26 LOCKWASHER 5 16 MED 01 207 0070 2 27 PIPE PLUG MAG 3 8 NPT SOC HD 01 215 0050 1 28 GREASE FITTING OPTIONAL 01 402 0560 1 29 O RING 167 MM X 3 MM T 01 405 0550 1 30 SEAL SHAFT e 01 216 0070 1 35 AIR VENT 3 8 NPT OPTIONAL NOTE BEARING PRELOAD DETERMINES QUANTITY OF SHIMS SEAL KIT P N 20 016 0501 INCLUDES ITEMS 29 AND 30 ECN X20BD1 BD 1803 DATE 04 04 02 20P Single Stage Exploded
6. IN LB Multiple Disc Brakes SERIES TORQUE RATING 90B SAEB TO 4 800 IN LB 90BA SAE B ADJUSTABLE TORQUE TO 4 800 IN LB 92B SAE B LOW PROFILE TO 2 800 IN LB 93 FOR NICHOLS MOTORS TO6 100 IN LB 95C SAEC TO 12 000 IN LB 95W SAE C WHEEL MOUNT TO 21 000 IN LB 98D SAE D TO 25 000 IN LB Diggers Planetary Auger Drives SERIES TORQUE RATING D50 MODELS 1500 2500 amp 5000 1 500 5 000 _ FT LB 76 MODELS BA amp BC TWO SPEED 8 000 12 500 FT LB TT MODELS BA BC amp BD 6 000 12 500 FT LB 78 MODELS 35 amp 48 TWO SPEED 9 000 12 500 FT LB 75 MODELS 38 amp 51 TWO SPEED 16 500 20 000 FT LB 354 ESRRIDGE P O Box 875 1900 Kansas City Road Olathe KS 66051 Phone 913 782 1238 Fax 913 782 4206 Sales Eskridgelnc com www Eskridgelnc com
7. 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 10 OTHER ESKRIDGE PRODUCTS Planetary Gear Drives SERIES TORQUE RATING MAX INTERMITTENT 20 28 SERIES 20 000 28 000 IN LB 50 SERIES 50 000 IN LB 65 SERIES 60 000 IN LB 100 SERIES 100 000 IN LB 130 SERIES 130 000 IN LB 150 SERIES 150 000 IN LB 250 SERIES 250 000 IN LB 600 SERIES 600 000 IN LB 1000 SERIES 1 000 000
8. 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 INNO EVENT SHALL ESKRIDGE BE LIABLE 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 returned 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 returned NOTE Any order of
9. 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 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 modifications 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 determined by Eskridge in its sole
10. case until it is flush with bottom of pilot diameter Use a press fixture if pos sible to eliminate distorting seal If press fixture is not available a hammer and flat ended drift may be used by tapping outer edge of seal lightly and alternating sides 4 Stand unit assembly upright on output shaft 3 CAUTION The only thing retaining output shaft and case together at this point is the tightness in fit of the shaft seal Securely and cautiously turn unit upright not allowing case and shaft to separate 5 While holding output shaft 3 with one hand rotate case 1 to be certain it turns freely and smoothly The slight resistance felt if any is due to shaft seal load drag on output shaft Apply a layer of lithium grease to inner bearing cup 18 and surface Install inner bearing cone 17 Small end down over internal end of output shaft Press bearing down slowly until it is just seated against inner bearing cup 18 With a slight press load still applied rotate case 1 by hand to ensure that the roller bearings are rotating evenly and smoothly Slide bearing shims 9 over output shaft and down onto inner bearing cone 17 The same number quantity of shims which were removed from unit during Disassembly Proce dure should be returned Install support washer 8 over shims and a new retaining ring 25 above support washer into groove provided in output shaft Inner bearing cone 17 may require additional pre
11. to carrier and to prevent striking planet gear teeth 9 Repeat the same process for remaining gears Secondary Planetary Subassembly Items 4 6 12 14 15 19 amp 23 Follow same procedures as that for the Primary Planetary Subassembly only substitute item numbers as indicated Secondary carrier 4 secondary planet gear 6 secondary planet shaft 12 carrier thrust washer 14 secondary planet washer 15 secondary planet bearing 19 secondary roll pin 23 Case Subassembly Items 1 18 27 amp 28 1 Inspect inner and outer bearing cups 18 If cups are damaged the cups and case 1 may need replace ment Contact Eskridge inc if you have questions 2 Clean all foreign material from magnetic oil plug 27 located inside of mounting case 1 Add a small amount of pipe thread compound to pipe plug before installing back into case Unit Assembly Refer to exploded view drawings on pages 6 9 Start with case assembly 1 Turn case upside down and position it so that the side with the threaded holes is resting on the press table Case pilot diameter should be pointed upward with outer bearing cup 18 exposed Apply a layer of lithium bearing grease to outer bearing cup surface Invert the output shaft assembly 3 retaining ring groove down and carefully lower into the case 1 until the shaft s outer bearing cone 17 is seated against the outer bearing cup 18 Press shaft seal 30 into
12. 92 CARRIER PRIMARY 5 1 50 004 1082 50 004 1072 50 004 1082 50 004 1072 PLANET GEAR SEC 6 3 20 004 1041 20 004 1041 20 004 1051 20 004 1051 PLANET GEAR PRI 7 3 85 004 1031 85 004 1021 85 004 1031 85 004 1021 SUPPORT WASHER 8 1 20 004 1031 i SHIM 9 20 004 1091 SUN GEAR SECONDARY 10 1 20 004 1332 20 004 1062 20 004 1072 20 004 1072 1 INPUT GEAR 21T 20 40 D P SPLINE 85 004 1402 85 004 1402 N A 2 INPUT GEAR 13T 16 32 D P SPLINE 85 004 1102 85 004 1062 85 004 1062 3 INPUT GEAR SAE 1 6B SPLINE 85 004 1122 85 004 1112 85 004 1112 4 INPUT GEAR 14T 12 24 D P SPLINE 85 004 1533 85 004 1533 N A 5 INPUT GEAR 15T 16 32 D P SPLINE gt 85 004 1542 85 004 1422 85 004 1422 6 INPUT GEAR 1 DIA X 25 KEY 85 004 1582 85 004 1582 N A PLANET SHAFT SECONDARY 12 3 20 004 1081 li li in PLANET SHAFT PRIMARY 13 3 81 004 0071 i THRUST WASHER SEC CUP 14 1 50 004 1011 ali THRUST WASHER SEC PLANET GEAR 15 6 85 004 1181 _ THRUST WASHER PRI PLANET GEAR 16 6 81 004 1561 BEARING CONE 17 2 01 102 0160 li li BEARING CUP 18 2 01 103 0160 Sk BEARING SEC PLANET 19 3 01 105 0010 _ BEARING PRI PLANET 20 3 01 105 0410 THRUST WASHER INPUT 21 1 50 004 1091 _ i HEX CAPSCREW 5 16 18 X 1 5 GR8 22 6 01 150 1400 ROLLPIN SECONDARY 3 16 X 7 8 23 3 01 153 0210 ROLLPIN PRIMARY 1 8 X 1 24 3 01 153 0080 _ _ _ o v RETAINING RING 25 1 01 160 0250 LOCKWASHER 5 16 MED 26 6 01 166 0110 PIPE PLUG MAG 3 8 N
13. ING NO N5100 206 01 160 0250 LOCKWASHER 5 16 MED 01 66 0110 PIPE PLUG MAG 3 8 NPT SOC HD 01 207 0070 GREASE FITTING OPTIONAL 01 25 0050 ln TE O RING 167 MM X 3 MM 01 402 0560 li SEAL SHAFT 01 405 0550 ESE g S a E AIR VENT 3 8 NPT OPTIONAL 01 216 0070 NOTE BEARING PRELOAD DETERMINES QUANTITY OF SHIMS SEAL KIT P N 20 016 0501 INCLUDES ITEMS 29 AND 30 gt FOR 20 1 RATIO INPUT CODES 1 4 AND 6 REQUIRE INVERTED RATIO CARRIER ASSEMBLIES ECN 1803 X20BD2 BE DATE 04 04 02 20P Double Stage Exploded View Drawing MODEL P20 DOUBLE PLANETARY 2 ESERIDOS EFFECTIVE FROM S N 16401 TO CURRENT 07 01 93 RATIO S 20 62 1 INVERTED DESCRIPTION P20 CASE SQUARE DOUBLE PLT NO ZERK P20 CASE SQUARE DOUBLE PLT WZERK CP20 CASE CUST MTG PER CUSTOMER SPECS COVER SAE A COVER SAE B 2 BOLT COVER SAE C 4 BOLT SHAFT 1 5 KEYED SHAFT 2 KEYED SHAFT CUSTOM PER CUSTOMER SPECS ITEM QTY PART NUMBER 20 004 3064 PART NUMBER PART NUMBER PART NUMBER y Wy 20 004 3064Z 85 004 1513 85 004 1503 28 004 1013 20 004 4122 20 004 4112 CARRIER SECONDARY 4 1 20 004 1282 20 004 1282 20 004 1292 20 004 12
14. PT SOC HD 27 2 01 207 0070 _ __ A _ o s s GREASE FITTING OPTIONAL 28 1 01 215 0050 4 A Enea A E O RING 167 MM X 3 MM 29 1 01 402 0560 Shis aai SEAL SHAFT 30 1 01 405 0610 S _ _ gt AIR VENT 3 8 NPT OPTIONAL 35 1 01 216 0070 4 A o A q NOTE BEARING PRELOAD DETERMINES QUANTITY OF SHIMS SEAL KIT P N 20 016 0511 INCLUDES ITEMS 29 AND 30 gt FOR 20 1 RATIO INPUT CODES 1 4 AND 6 REQUIRE INVERTED RAT O CARRIER ASSEMBLIES I gt ECN 1803 x20PD2 BE DATE 05 8 00 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 FOLLOWING 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 warranty period shall commence when a unit is placed in service
15. View Drawing MODEL P20 RATIO S SINGLE PLANETARY ul IESURIDGE EFFECTIVE FROM S N 16401 07 01 93 TO CURRENT G PARTNUMBER PARTNUMBER _ QTY ITEM x DESCRIPTION E 20 004 3074 P20 CASE SQUARE SINGLE PLT NO ZERK 20 004 3074Z 1 1 P20 CASE SQUARE SINGLE PLT WZERK CP20 CASE CUST MTG PER CUSTOMER SPECS 85 004 1513 A COVER SAE A 85 004 1503 1 2 B COVER SAE B 2 BOLT 28 004 1013 C COVER SAE C 4 BOLT 20 004 4122 F1 SHAFT 1 5 KEYED 20 004 4112 1 3 F2 SHAFT 2 KEYED C1 SHAFT CUSTOM PER CUSTOMER SPECS 20 004 1282 20 004 1292 1 4 CARRIER SECONDARY 20 004 1041 20 004 1051 3 6 PLANET GEAR SEC 20 004 1031 1 8 SUPPORT WASHER 20 004 1091 9 SHIM 20 004 1302 N A 1 INPUT GEAR 21T 20 40 D P SPLINE 20 004 1122 20 004 1132 2 INPUT GEAR 13T 16 32 D P SPLINE 20 004 1102 20 004 1112 3 INPUT GEAR SAE 1 6B SPLINE 20 004 1192 N A Di 4 INPUT GEAR 14T 12 24 D P SPLINE 20 004 1322 20 004 1312 5 INPUT GEAR 15T 16 32 D P SPLINE 20 004 1142 N A 6 INPUT GEAR 1 DIA X 25 KEY n 920 004 1081 3 12 PLANET SHAFT SECONDARY 50 004 1011 1 14 THRUST WASHER SEC CUP 85 004 1181 6 15 THRUST WASHER SEC PLANET GEAR 01 102 0160 2 17 BEARING CONE 01 103 0160 2 18 BEARING CUP
16. epair section to follow Output Shaft Subassembly Items 3 17 30 1 _ If outer bearing cone 17 needs replacing it will need to be pressed off of output shaft 3 Also inspect inner bearing cone 17 Shaft was pressed through inner bearing cone during shaft removal procedure so find bearing in mounting case seated inside the inner bearing cup 18 In some instances outer bearing cone 17 may need to be removed if shaft seal 30 is to be replaced If outside diameter of output shaft external end opposite bearing is smaller than in side diameter of seal then shaft seal may be replaced without removing bearing cone 2 Lubricate inner lip of new shaft seal 30 and turn so that open side of seal is up Slide seal onto output shaft until it fits snug over shaft seal diameter 3 With small end of outer bearing cone 17 pointed upward place it onto the internal end of the output shaft 3 Press until bearing is seated tightly against shoulder If the original bearing was removed only to replace shaft seal it may be reused NOTE Press only on inner race of bearing cone DO NOT press on outer roller cage of bearing or it will damage bearing Primary Planetary Subassembly Items 5 7 13 16 20 amp 24 g SG 16 eo Rotate primary planet gears 7 to check for any abnormal noises or roughness in the primary planet bearings 20 At the same time inspect planet gears for any damage or worn teeth If
17. il should be changed at 500 hour intervals thereafter Use a GL 5 grade EP 80 90 gear oil EP Extreme Pressure The gear drive 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 STAGE OIL CAPACITY OIL LEVEL Horizontal Shaft SINGLE 0 75 pints 0 35 liters To horizontal centerline of gear drive Vertical Shaft SINGLE 1 pints 0 47 liters To midway on upper primary gearset Horizontal Shaft DOUBLE 1 pints 0 47 liters To horizontal centerline of gear drive Vertical Shaft DOUBLE 1 25 pints 0 59 liters To midway on upper primary gearset WARNING While working on this equipment wear adequate protective clothing hearing eye and respiratory protection Use safe lifting procedures CONTENTS Before Disassembly ocio anti eine piacciano 3 Unit Disassenbl ce liana 3 Output Shaft SubassemblY c0 0GGGai ects seeccteecceccseosuucectescnsucedetecceasuseetedsessssuceedesassecereiis 3 Primary Planetary Subassembly GG 3 Seconda
18. replacement or further inspection is required proceed as follows 1 Drive the spring pins or roll pins 24 completely into the planet shafts 13 using a pin punch Press planet shafts out of carrier 5 NOTE Only support primary carrier 5 while pressing planet shafts out 2 Remove planet gears 7 and primary planet washers 16 from carrier 5 Applies only to the double planetary model 3 If any of the primary planet bearings 20 need replac ing press them out of planet gears 4 Check primary planet shafts 13 for any abnormal wear especially ones in which bearings needed to be replaced If any abnormal wear is found replace planet shaft 5 Using a punch drive roll pins out of planet shafts 6 If required press new primary planet bearings 20 into planet gears 7 With a primary planet washer 16 on both sides of planet gear with bearing installed slide gear into carrier 5 Insert primary planet shaft 13 through the carrier planet gear and washers During planet shaft installation align roll pin hole in planet shaft to the roll pin hole in outside diameter of carrier NOTE Inserting a 1 8 diameter punch in the roll pin hole of planet shaft will help in the alignment of holes between planet shaft and carrier during step 7 8 Once holes are properly aligned drive a roll pin 24 through primary carrier and into planet shaft to retain parts Use a drift to drive roll pin flush
19. ry Planetary Subassembly ri 4 Case Subassembly aio 4 A aaa 4 20B Single Stage Exploded View Drawing ii 6 20P Single Stage Exploded View Drawing 7 20B Double Stage Exploded View Drawing aaaaaaaaanannnu nannununnnnunnnnnnnna 8 20P Double Stage Exploded View Drawing iii 9 Eskridge Product Warrant 10 Warranty Return Policy 0 Ga 10 Other Eskridge Products cnica cria taci n 11 Before Disassembly In the 20B 20P series there are two types of units single planetaries without a primary carrier and double planetaries which have a primary planet carrier Steps with an asterisk apply only to the double planetary model Unit Disassembly Refer to exploded view drawings on pages 6 9 All parts should be carefully inspected as they are re moved from unit Scribe across mounting case 1 and cover 2 joint on outside of gearbox to assure proper orientation of oil fill and drain plugs motor mounting etc as unit is reassembled 1 Remove hydraulic motor and Eskridge Brake from gearbox Drain oil 2 Remove the six 5 16 x 1 1 2 hex cap screws 22 and 5 16 lockwashers 26 which retain cover 2 to mounting case 1 3 Lift cover 2 off of unit and remove input gear 11 and input thrust washer 21 4 Primary planetary assembly is now ready for re moval includes items 5 7 13 16 20 amp 24
20. se a new o ring 29 and install into bottom of cover 2 Refer back to scribe marks made across external joint prior to Disassembly Procedure Line up scribe marks between cover and case 1 so that orientation of motor mount holes and oil plugs are back to their original positions NOTE Be certain o ring 29 stays seated in cover during step 12 14 Install all six of the 5 16 lockwashers 26 and the 5 16 hex capscrews 22 and torque them to 20 ft lbs THE GEAR DRIVE IS NOW READY FOR USE Applies only to the double planetary model 5 20B Single Stage Exploded View Drawing n MODEL B20 SINGLE PLANETARY j it ESTEROS EFFECTIVE L FROM S N 16401 07 01 93 TO CURRENT C PARTNUMBER PARTNUMBER QTY ITEM K DESCRIPTION E 20 004 3024 B20 CASE SQUARE NO ZERK 20 004 3024Z 1 1 B20 CASE SQUARE W ZERK g CB20 CASE CUSTOM PER CUSTOMER SPECS 85 004 1513 A COVER SAE A 85 004 1503 1 2 B COVER SAE B 2 BOLT 28 004 1013 C COVER SAE C 4 BOLT 20 004 4022 D1 2 DIA SHAFT 3 8 KEYWAY 20 004 4032 D2 SHAFT23T 12 24 D P SPLINE 20 004 4042 1 3 D3 2 DIASHAFT 1 2 KEYWAY 28 004 4202 D4 2 25 D SHAFT 1 2 KEYWAY C1 SHAFT CUSTOM PER CUSTOMER SPECS 20 004 1282 20 004 1292 1 4 CARRIER SECONDARY
21. ss load to expose retaining ring groove Apply only enough press load to allow retain ing ring to engage into groove NOTE Quantity of shims 9 may vary from unit to unit Always use the same quantity of shims when reassem bling 9 Install secondary carrier 4 assembly into unit Car rier assembly should be installed with hub side down 24 tooth spline Rotate carrier assembly back and Applies only to the double planetary model 4 forth to mesh secondary planet gear teeth 6 with case 1 teeth Once teeth mesh let secondary carrier slide down until it makes contact with the output shaft spline The carrier splined hub 4 should spline onto output shaft 3 Carrier hub will rest on top of retaining ring 25 when splines are fully engaged Install carrier thrust washer 14 10 Turn primary carrier assembly upside down so that splined end of carrier 5 is up Insert splined end of secondary sun gear 10 into carrier spline until fully engaged Install carrier assembly into unit sun gear down Sun gear teeth will mesh with the secondary planet gears and the primary planet gear teeth 7 will mesh with the mounting case 1 11 Put input thrust washer 21 over step of input gear 11 Insert input gear into unit so that teeth mesh with planet gears 12 Fill unit with proper level see page 2 of a GL 5 grade EP 80 90 gear oil Proper oil level will measure to middle of primary planet gears 7 13 Grea
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