SERVICE MANUAL
Contents
1. ESKRIDGE S77 PLANETARY AUGER DRIVE SERVICE AND REPAIR MANUAL Example Part Number ENIES Motor Motor Part Model Shaft Supplier Number Options THIS SERVICE MANUAL IS EFFECTIVE FROM S N 38045 JAN 2002 TOTA CURRENT REG ese SMS77 BC_AB 77 SERVICE MANUAL SINGLE SPEED PLANETARY AUGER DRIVE This manual will assist in disassembly and assembly of major components for all Model S77 Planetary Auger Drives Item numbers indicated in parentheses throughout this manual refer to the Eskridge Model S77 exploded parts breakdown drawings Individual cus tomer specifications bail assembly output shaft hydraulic motor etc may vary from exploded drawing and standard part numbers shown if applicable refer to individual customer drawings for details LUBRICATION amp MAINTENANCE Change the oil after the first 50 hours of use and at 500 hour intervals thereafter Gear drives in auger drives require GL 5 grade EP 80 90 gear oil for lubrication The Itt l manufacturer recommends that the unit be partially disassembled to inspect gears splines and bearings at 1000 hour intervals The oil capacity of this unit is 6 5 pints Proper oil level will measure to middle of primary cluster gears when auger drive is in vertical position To check the oil in fully assembled units fill the gear drive with EP 80 90 gear oil until it runs out of the fill plug while the auger drive is leaning approximately 3 1 2 inches from2. 20 to the bearing carrier 2 to assure proper orientation of parts as they are reassembled 2 To drain oil position unit on its shaft and remove oil plug 41 located in the bearing carrier 1 To help ventilate oil while draining loosen or remove drain plug 41 in top case 1 Maximum drainage occurs when oil is warm NOTE Particular care should be taken when placing the unit in a position for servicing Unit should be blocked up so that weight of the unit is resting on the bearing carrier 2 This fixture must be secure so that the auger drive will not tip over during disassembly and assembly procedures 3 Remove the twelve hex head cap screws 29 and hex flange nuts 34 from bail assembly 20 Lift bail assembly from unit NOTE There are no bolts retaining the major components together proceed with caution when moving the unit 4 Remove the two capscrews 31 and lock washers 40 from hydraulic motor 50 Remove motor from unit Check o ring 43 for damage 5 Remove top case 1 input gear 14 and o ring 44 6 Lift the primary planet carrier assembly out of the unit includes Items 7 9 11 17 23 amp 33 7 If sun gear 12 has not been removed from auger drive do so now Sometimes the sun gear remains in the primary carrier 7 8 Remove secondary ring gear 4 and o ring 44 9 The output shaft 49 and secondary planet carrier assembly may now be removed as follows a The secon
3. hand until you are certain carrier spline has started cleanly and squarely onto shaft spline View down through top of secondary carrier assembly through counter bored holes in retainer plate 13 c Counter bored holes in retaining plate should be centered between planet gears and must line up with holes in the shaft Slowly press secondary carrier assembly down tightly against the output shaft 49 Install cap screws 15 and tighten to a torque of 120 ft lbs if dry 90 ft lbs if lubed Install a new o ring 44 on the bearing carrier 2 Referring to scribe marks for proper orientation install the secondary ring gear 4 by rotating until ring gear teeth line up with planet gears Check to be sure retaining ring 36 is installed on sun gear 12 Slide the sun gear into the secondary planet carrier Install the primary carrier 7 by rotating until spline lines up with sun gear It may be easier to install the sun gear 12 into the bottom of the primary carrier and then install primary carrier Timing Procedure There are timing marks on each of the three cluster gears 11 These marks should be aligned so that each points toward the center of the primary planet car rier See diagram below 10 11 12 13 14 15 16 While keeping the timing marks aligned slide the input gear 14 into the primary planet carrier Install a new o ring 44 in the secondary ring gear 1 Position the top case
4. vertical approximately 7 see the illustration to the right WARNING While working on this equipment use safe lifting procedures wear adequate clothing and wear hearing eye and respiratory protection CONTENTS Example Part Number BEPREREERENEIAEREREAREREREERRURRRTREERFERERERERBEEEREEREEERAREEEREEEERTFEHSSPERERFEEEEREHFERFEFFEREFERTERRETEFTSEREREEREFTERTETETTERFETE 1 Lubrication amp Maintenance isicviuicetiicecensuceadeirccnesvacseesicasva esa anasa a ri 2 Unit Disassembly Procedure ciscssnsciescaiesntenesciveasnetanciscecitesenenanaananwedi iussa snema nanii Munia aaa 3 Primary Planet Carrier Subassembly uuuussssssnnnnssnsnnnnnnnnnnunnnnnnnnnnnnnnnannnnnnnnnnnnnnsnnnnnnnnnnnnnnnnnnannnnennnnnnn sen 3 Secondary Planet Carrier Subassembly uuuusssunnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnn 4 Top Case Subassembly uncann ann sen aan a a a 4 Bearing Carrier Subassembly 0 00 00 000000000000 a han 5 Unit Reassembly Procedure zusaussnn nn 5 Exploded View Drawing u0 0 000000 000020000 a han 7 Eskridge Product Warranty 2 00000002 2 000 ir 8 Warranty Return Policy 0000 a aaa 8 Eskridge Product Line nissan deuylau vee walehseveninsnneierietssleisanbauadeiienvednstally 9 Unit Disassembly Procedure Refer to exploded view drawing on Page 7 1 Scribe a diagonal line across the outside of the auger drive from the bail assembly
5. 1 with the proper orientation to scribed line on outside of unit and hold in position with two of the bolts placed in holes 180 apart Twist the input gear 14 to allow the top case 1 to drop down into place Remove the two bolts used in Step 11 Install o ring 43 onto the hydraulic motor 50 Attach hydraulic motor 50 to mounting pad on top case 1 with two cap screws 31 and lock washers 40 Tighten to a torque of 150 ft lbs dry 110 ft lbs wet Line up scribe mark on bail assembly 20 with scribe mark on top case 1 and place bail over hydraulic motor 50 Install twelve cap screws 29 with hex flange nuts 34 and torque to 30 ft lbs Fill to proper level with EP 80 90 gear oil as specified on Page 2 THE AUGER DRIVE IS NOW READY TO USE Exploded View Drawing cage a jan 3 ESURIDEE MODELS S77BA S77BC amp S77BD SINGLE SPEED EFFECTIVE FROM SIN 31296 1 29 02 TO CURRENT ITEM QTY DESCRIPTION S77BA S77BC S77BD 1 1 TOP CASE 72 004 3154 72 004 3154 72 004 3154 2 1 BEARING CARRIER 72 004 1102 72 004 1102 72 004 1102 3 1 BRG CUP LOWER SHAFT CUP 01 103 0080 01 103 0080 01 103 0080 4 1 RING GEAR SEC 714 004 0042 71 004 0042 71 004 0042 5 1 RING GEAR PRI 714 004 0142 714 004 0142 71 004 0142 6 1 PLANET CARRIER SEC 714 004 2332 714 004 2332 71 004 2332 7 1 PLANET CARRIER PRI 714 004 0113
6. 160 0030 40 2 LOCKWASHER 5 8 01 16 0040 01 166 0040 01 166 0040 41 2 PIPE PLUG 1 2 NPT 01 207 0010 041 207 0010 01 207 0010 43 1 O RING 01 402 0010 014 402 0010 01 402 0010 44 2 O RING 01 402 0020 01 402 0020 01 402 0020 46 1 OILSEAL 01 405 0540 01 405 0540 01 405 0540 47 2 DOWELPIN 01 152 0070 01 152 0070 01 152 0070 OUTPUT SHAFT 2 1 2 HEX STEEL 71 004 4022 71 004 4022 _71 004 4022 1 OUTPUT SHAFT 2 5 8 HEX STEEL 714 004 4032 71 004 4032 71 04 4032 50 1 HYDRAULIC MOTOR 01 304 0590 01 304 0590 01 304 0590 SEAL KIT P N 76 016 2011 INCLUDES ITEMS 43 44 AND 46 MOTOR P N PER CUSTOMER SPEC XS77P BA DATE 11 17 05
7. 71 004 0433 71 004 0433 8 3 PLANET PIN SEC 71 004 0081 714 004 0081 71 004 0081 9 3 PLANET PIN PRI 71 004 0121 714 004 0121 71 004 0121 10 3 PLANET GEAR SEC 714 004 0092 71 004 0092 71 004 0092 11 3 CLUSTER GEAR PRI 714 004 0132 71 004 0412 72 004 0182 12 1 SUN GEAR SEC 714 004 0102 714 004 0102 71 004 0102 13 1 PLATE BRG RETAINER 71 004 2322 _ 71 004 2322 71 004 2322 14 1 INPUT GEAR 72 004 0132 72 004 0122 72 004 0082 15 3 SOCKET HD CAPSCREW 01 150 1480 014 150 1480 01 150 1480 17 6 WASHER PRI 71 004 0861 714 004 0861 71 004 0861 18 6 WASHER SEC 71 004 0871 71 004 0871 71 004 0871 BAIL ASSY STD 1 5 DIA BOSS 571 005 0932 71 005 0932 71 005 0932 1 BAIL ASSY BACKHOE 1 5DIABOSS S72 005 3482 S72 005 3482 S72 005 3482 21 1 BRGCONE UPPER SHAFT CONE 01 102 0100 01 102 0100 01 102 0100 23 6 BRG PRI PLANET 01 105 0010 01 105 0010 01 105 0010 24 3 BRG SEC PLANET 01 105 0020 01 105 0020 01 105 0020 25 1 BRG CONE LOWER SHAFT CONE 01 102 0090 01 102 0090 01 102 0090 29 12 HEX CAP SCREW 3 8 16 01 150 0020 01 150 0020 01 150 0020 30 1 BRG CUP UPPER SHAFT CUP 01 103 0090 01 103 0090 01 103 0090 31 2 HEX CAP SCREW 5 8 11 X 1 1 2 01 50 0110 014 150 0110 01 150 0110 32 8 SH C S 3 8 16 01 150 0520 014 150 0520 01 150 0520 33 6 ROLL PIN 3 16 01 153 0020 01 153 0020 01 153 0020 34 12 HEX FLANGE NUT 3 8 16 01 158 0360 01 158 0360 01 158 0360 36 1 RETAINING RING 01 160 0030 041 160 0030 01
8. dary planet carrier 6 spline is a press fit onto output shaft 49 spline Bearing carrier 2 should be set on plate or table with output shaft protruding downward through hole in table b Loosen but do not remove shaft retaining cap screws 15 NOTE Care should be taken not to damage output shaft or injure your feet when shaft falls out of case c Press output shaft out bottom of case by applying press load to top end of cap screws 15 Remove cap screws to allow shaft to pass through case 10 Lift the secondary planet assembly out of they unit includes Items 6 8 10 18 24 amp 33 Use a puller if needed The unit is now disassembled into subassemblies The area s requiring repair should be identified by thorough inspection of the parts after they have been cleaned and dried 11 10 Primary Planet Carrier Subassembly Items 7 9 11 17 23 amp 33 Rotate cluster gears 11 to check for abnormal noise or roughness in bearings 23 or planet pins 9 If further inspection or replacement is required proceed as follows Drive roll pins 33 completely into planet pins 9 Press or drive planet pins 9 out of carrier 7 Remove cluster gears 11 and washers 17 from the carrier 7 If the planet bearings 23 require replacement press them out of the cluster gears 11 and replace with new ones Check primary planet pins 9 for any abnormal wear especially ones where bearings nee
9. ded to be replaced If any abnormal wear is found replace planet shafts Remove the roll pins 33 from planet pins 9 With washers 17 on both sides of the cluster gear 11 and with bearings 23 installed slide gear into the carrier 7 Be sure the large gear side of cluster gear is toward the splined side of carrier Insert the planet pin 9 through the carrier washers and planet gear Planet pins 9 should be installed with chamfered end of 1 8 inch hole toward outside diameter of the carrier 7 This will aid in alignment of holes while inserting roll pins 33 Drive three roll pins 33 through the carrier holes and into the planet shafts to retain the parts Secondary Planet Carrier Subassembly Items 6 8 10 13 18 21 24 amp 33 Disassembly Rotate the secondary planet gear 10 to check for abnormal noise or roughness in planet bearings 24 or secondary planet shafts 8 If further inspection or replacement is required proceed as follows Drive roll pins 33 into secondary planet shafts 8 Press or drive secondary planet shafts out of secondary carrier 6 Slide secondary planet gears 10 along with planet washers 18 out of secondary carrier 6 Reassembly Place carrier 6 with hub down Place bearing retainer plate 13 in bottom of carrier Insert secondary planet gears 10 Turn carrier 6 over while using the plant gears 10 to hold retainer plate 13 in place Rem
10. ot damage roller cage by pulling on it 1 2 If outer bearing cone 25 needs to be replaced a puller may be used Remove shaft seal 46 for inspection or replacement Lubricate inner lip of new shaft seal 46 and slide the seal onto the shaft 49 until it fits snugly over shaft seal diameter with the open side toward the inside of the auger drive Inspect inner and outer bearing cups and bearing 3 30 amp 25 replace if necessary Reassembly NOTE Press bearing cone onto output shaft by pressing on inner race only DO NOT press on roller cage or it may damage bearing 1 If outer bearing cone 25 was removed for replacement press a new bearing cone large end down as shown onto the shaft until it seats against the shoulder Place the bearing carrier 2 output shaft side up opposite shown on the press table Apply a layer of lithium or general purpose bearing grease to surface of outer bearing cup 3 Insert the shaft 49 into the bearing carrier 2 bearing cone down and use a soft hammer to install the shaft seal 46 into the bearing carrier CAUTION Output shaft is not retained at this point Unit Reassembly Procedure Refer to exploded drawing on Page 7 Invert this assembly so it is standing on the shaft on the press table Install secondary carrier assembly 6 onto bearing carrier 2 as follows a Set carrier assembly down onto output shaft 49 spline b Rotate carrier by
11. ove one planet gear 10 and insert bearing 24 Install two washers 18 one on either side of the planet gear Place in carrier and install planet shaft 8 and roll pin 33 Repeat for two remaining gears NOTE Press bearing onto hub by pressing on inner race only DO NOT press on roller cage it may damage bearing 4 If tapered inner bearing cone 21 on secondary carrier 6 hub must be replaced it may be removed using a gear puller Then press a new bearing cone onto the hub making sure bearing shoulder is tight against the hub shoulder Top Case Subassembly Items 1 5 32 41 amp 47 Disassembly Inspect primary ring gear 5 for abnormal wear or damaged teeth If replacement is required remove eight socket head cap screws 32 from ring gear Primary ring 5 is doweled into top case 1 Use puller holes provided to thread two 3 8 16 bolts into ring gear 5 until part has completely separated from top case 1 Reassembly If installing a new primary ring gear 5 always install new dowel pins 47 into ring gear before reassembling top case 1 Use thread locking compound such as Loctite 242 in the 3 8 16 threaded holes of the top case 1 Install the 3 8 16 capscrews 32 and tighten to a torque of 30 ft lbs in a cross wise pattern Bearing Carrier Subassembly Items 2 3 25 30 34 41 46 amp 49 Disassembly NOTE If reusing old bearing cone do n
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