92B SERIES BRAKE SERVICE AND REPAIR MANUAL Example
Contents
1. 4 1 2 13x1 12 point capscrews 8 Alternately unscrew capscrews 1 2 turn at a time until all internal spring force is relieved Remove cover 2 CAUTION Do not clamp or otherwise retain cover 2 while removing cover bolts 8 since the brake is under high compressive spring load Apply low pressure 20 30 PSI to brake release port while holding one hand on top of piston 3 and springs 10 The air will force piston out of case Remove shaft 4 Friction discs 11 separator plates 12 and spacers 5 may now be removed from case 1 Assembly Assembly should be in reverse order of disassembly incorporating these additional instructions 1 Install shaft 4 by pushing shaft downward through bearing 7 and seal 18 until bearing shoulder on shaft is seated against bearing 2 Friction pack spacer 5 friction disc 11 and separator plate 12 must be installed in exactly the same order as it was removed There must always be a friction disc 11 on top and bottom ends of stack plates If a separator plate 12 is placed next to the piston 3 or spacer 5 the unit will overheat and sieze Be careful not to contaminate the friction surfaces with dirt grease or fluid media other than what was specified for your particular brake NOTE If installing new friction discs 11 soak all discs in specified fluid media for approximately 10 minutes before installation 3 Pour fluid medium over the friction plates2. 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 Allfreight 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 Wecan dispose of the Unit s at the factory if you do not wish it to be 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
3. 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 determined 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 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
4. or until the fluid level is even with top friction disc 11 4 If replacing piston o rings be sure o rings 15 amp 16 are near est each other with back up rings 13 amp 14 to the outside after installing onto piston 3 If back up rings have concave face that face must be towards o ring Gently slide piston 3 into case 1 until large o ring 16 touches case Press down firmly on piston using heel of both hands this will squeeze o rings into case and set piston 3 against friction plates 5 Insert springs 10 into piston 3 6 Install cover o ring 17 around lip on case 1 7 Install thrust washer 7 onto shaft 4 8 Set cover 2 on top of springs and over input end of shaft 4 Start four cover bolts 8 through cover and into case with your fingers Alternately tighten cover bolts 1 2 turn at a time until cover is tight against sace Torque bolts to 80 ft lbs Repair Kits Due to the many combinations of torque and release pressures available for the Series 92B Brake it is impossible to detail each style and supply a repair kit for each model The information listed in this manual is representative of all Series 92B brakes The repair kits listed below will work with all combinations of torque and release pressures input mountings and friction plates It is entirely possible to have extra parts left over from the repair kits after maintenance is complete If you are not sure about what is required f
5. R 12 x 01 288 0020 SEPARATOR PLATE 13 1 01 402 0640 O RING 14 1 01 402 0630 O RING 15 1 01 402 0650 O RING 16 1 01 405 0570 SEAL 17 z k 18 19 1 01 402 0220 O RING OUTPUT PILOT 20 1 90 004 E GASKET MOTOR NOT SHOWN 21 1 01 402 F O RING MOTOR NOT SHOWN tem Qty Part No Description COVER PART NO iwour PART NO A SAE N 2 MOD 4 BOLI 92 004 1103 B 51 137 92 004 1053 SAE B 2 BOLT 92 004 1113 6B 13T 92 04 1063 68 68 92 004 1073 SPRING COLOR PART NO c RED 01 261 0310 GOLD 01 261 0300 GREEN 01 261 0290 MOTOR GASKET PART NO MOTOR O RING PART NO E She A 2 MOD 4 BOLT 90 004 1061 F sAE A NOT REQUIRED SAE B 2 BOLT 90 004 1091 SAE B 01 402 0220 CD OPTIONAL KITS PART NO ITEMS INCLUDED SEAL KIT 92 016 201 EER EE OM FRICTION DISC KIT PAPER 92 016 1981 11 FRICTION DISC KIT BRONZE 92 016 2021 11 ES SEPARATOR PLATE KIT 92 016 1991 12 gt MASTER REBULD KIT PAPER 92 015 2051 6 7 SEAL amp FRICTION KITS MASTER REBUILD KIT BRONZE 92 015 2061 6 7 SEAL amp FRICTION KITS Oa TOTAL QTY OF SEPARATORS ITEM 12 AND SPACERS ITEM 5 MUST EQUAL 3 1 QTY OF FRICTION DISCS ITEM 11 QTY OF SEPARATORS ITEM 12 PLUS 1 ED FULL COMPLEMENT BRAKE INCLUDES 4 FRICTION DISCS I
6. ROFILE TO 2 800 93 931 OR 932 FOR NICHOLS MOTORS TO 6 100 95C SAE C TO 12 000 98D SAE D TO 25 000 PLANETARY AUGER DRIVES ANCHOR DRIVES amp DIGGERS SERIES MODELS TORQUE RATING FT LB D50 1500 2500 amp 5000 1 500 5 000 76 BA amp BC 2 SPEED 8 000 12 500 77 BA BC amp BD 6 000 12 500 78 35 amp 48 2 SPEED 9 000 12 500 75 38 amp 51 2 SPEED 16 500 20 000 D600 D600 50 000 D1000 D1000 83 000 1 ESKRIDGE P O Box 875 m 1900 Kansas City Road m Olathe KS 66051 Phone 913 782 1238 m Fax 913 782 4206 m Sales QEskridgelnc com m www Eskridgelnc com
7. SPECIFICATIONS Maximum Pressure 4 000 PSI Maximum Continuous Pressure 4 000 PSI Maximum Speed 3 900 RPM Shaft Splines 30 involute flat roof side Breakaway torque may vary 10 from specified ratings fit per ANSI B92 1 1970 Use of fluids other than ATF F must be compatible with inter internal class 7 external nal seals Wet brake torque based on ATF F fluid friction plate class 5 cavity Use only mineral based hydraulic oil to release brake Maximum Operating Temperature 170 F Volume of Oil to Release Brake 0 3 cu in Approximate Weight 20 Ibs CONTENTS Example Part Number il Giga oi CO nada unuia ia ee etica daia ip Doug ioanad iii ek de otil EEN EER Ek 1 Specifications iai ca a sevice pna ae EE EE aia p ER a 2 Installation ss cana it aa o it i ala ata i dili SR lada o a ln e alai ai aia 3 BEE de AE EE RE Daia aaa aa ni alia bb OE aaa ap ra aaa EE N EE N 3 EE ii AR EA i iona a N N EE EE N ER i ii N DA 4 Repair Kit EE EE EE EE EE EE ER ini banii stins sui 4 Series 92B Brake Exploded View Drawing ssccccsssssseseeeeeeeeeeeeeesccneeeeeeeeenssneccneeeeeessaseeeeneneesesesseseeneeees 5 Eskridge Product Warranty susse si ss sin seks es ek we ee Re Le Ge KW Ke n bk ek Ee DE AN Re EN GE KA EE EA KAN Reede dk ea aid banii 6 Warranty Return Policy sesse es Vee ad siren inna ee ek ae il ee na ia dada bna ek de ee 6 The Eskridge Product Line issie ee se N Ve Rd ek RE aaa ai aia RR aaa aaa bee ees een dekke ke a
8. TEM 11 3 SEPARATORS ITEM 12 AND O SPACERS ITEM 5 gt QTY OF SPRINGS 2 3 4 5 6 8 OR 10 IS DETERMINED BY SPECIFIC BRAKE REQUIREMENTS ECN 1803 X92B AB DATE 06 26 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 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 when 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
9. dok ESKRIDGE 92B SERIES BRAKE SERVICE AND REPAIR MANUAL Example Part Number nininini ona A Input Pilot MODEL 92B SERVICE MANUAL MULTI DISC BRAKE This manual will assist in disassembling and assembling major components of all Model 92B Brakes Item numbers indicated in parentheses throughout this manual refer to the Eskridge Model 92B exploded parts breakdown drawings Individual customer specifica tions mounting cases output shafts brake assemblies etc may vary from the exploded drawing and standard part numbers shown If applicable refer to individual customer drawing for details The Eskridge Model 92B series brake is manufactured for two specific types of holding torque requirements the standard fail safe requirement and the slip protection requirement Both types are spring loaded normally applied with a hydraulic pressure required for release All brakes are individually tested at the factory for function leaks and static breakaway torque Fail safe type brakes are tested to be assured they are in excess of 110 of the fail safe torque rating for the unit A fail safe brake should be used when the only requir ment is a minimum static holding torque A slip protection brake should be used where an accurate specified torque is required such as a side load protection on a crane or overload protection in a drivetrain These brakes are tested to be within 10 of the slip protection rating for the unit
10. na i ee dauna dau e 7 Planetary Gear Drives iss Res ee lil lan Ke ee eo aa 5 N eN lin ede se aul ta ni 7 Multiple Disc oi OE ii ena dani de ai ai EE OE EE 7 Planetary Auger Drives Anchor Drives 8 Diggers nana 7 Note Gearbox a n Installation Before beginning installation procedures visually inspect brake mounting flanges and shaft splines for damage due to poor handling during shipping If damage is excessive do not use brake 1 Mount 92B brakes with 2 1 2 13x1 capscrews through brake mounting flange Torque bolts to 75 ft lbs On horizontal shaft mounting one o ring port should be oriented as close to the top as practical bleeder port Some installations may require that the brake be released so it can be rotated to align bolt holes See Step 4 below Attach motor to input end of brake with appropriate sized bolts through motor flange and gasket to give approximately 1 2 thread engagement Torque 1 2 bolts to 75 ft lbs or 3 8 bolts to 32 ft lbs Remove plastic protective plug from brake pressure port and attach a pressure line with 7 16 20 UNF 2B straight thread o ring fitting Apply low pressure 20 30 psi to brake release port Loosen hollow hex plug opposite of pressure port just enough to allow hydraulic fluid to bleed from cavity After air has been bled from brake tighten plug Gasket or O Ring Disassembly Remove motor from brake Loosen
11. or your brake and its configuration please contact Eskridge s salesdepartment Friction Disc Kit 92B 92 016 1981 Friction Plates 4 01 228 0010 Separator Plate Kit 92B 92 016 1991 Separator Plates 3 01 228 0020 Seal Kit 92B 92 016 2011 O Ring Piston 1 01 402 0630 O Ring Piston 1 01 402 0640 O Ring Case Seal 1 01 402 0650 Shaft Seal 1 01 405 0570 O Ring Mtr SAE B 1 01 402 0220 Gasket Mtr SAE A 4 Bolt 1 90 004 1061 Gasket Mtr SAE A 4 Bolt 1 90 004 1081 Gasket Mtr SAE B 2 Bolt 1 90 004 1091 Master Rebuild Kit 92 92 015 2051 Non Bronze Friction Disc Kit Non Bronze 1 92 016 1981 Seal Kit 92B 1 92 016 2011 Bearing Output 1 01 100 0240 Bearing Input 1 011 112 0310 Unless otherwise specified Eskridge Series 92B Brakes use automatic transmission fluid ATF Type F as a fluid medium ATF Dexron will give somewhat different torque characteristics Some brakes are specifically designed to use hydraulic oil gear lube or other fluid media Series 92B Brake Exploded View Drawing Model 92B 92 004 1004 CASE 92 004 N COVER 92 004 1042 PISTON 92 004 B SHAFT 90 004 1031 SPACER 01 100 0240 BEARING 01 112 0310 THRUST RACE 01 150 1040 12 POINT CAP SCR 1 2 13 X 1 01 208 0020 HOL HEX PLUG gt 10 x 01 261 C SPRING 11 x 90 004 1742 FRICTION DISC BRONZE 11 01 288 0010 FRICTION DISC PAPER GINA Ay win x
12. 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 THE ESKRIDGE PRODUCT LINE PLANETARY GEAR DRIVES TORQUE RATING IN LB SERIES MAX INTERMITTENT 20 SHAFT OUTPUT 20 000 28 SHAFT OUTPUT 50 000 50 SHAFT OUTPUT OR SPINDLE OUTPUT 50 000 65 SHAFT OUTPUT 65 000 105 SHAFT OUTPUT 105 000 130 133 SHAFT OUTPUT OR SPINDLE OUTPUT 130 000 150 SHAFT OUTPUT 150 000 250 252 SHAFT OUTPUT OR SPINDLE OUTPUT 250 000 440 SHAFT OUTPUT SPINDLE OUTPUT OR WHEEL DRIVE 440 000 600 SHAFT OUTPUT SPINDLE OUTPUT OR WHEEL DRIVE 600 000 1000 SHAFT OUTPUT SPINDLE OUTPUT OR WHEEL DRIVE 1 000 000 MULTIPLE DISC BRAKES SERIES FEATURES TORQUE RATING IN LB 10 INTEGRAL BRAKE SAE B TO 4 800 90B SAE B TO 4 800 90BA SAE B ADJUSTABLE TORQUE TO 4 800 92B SAE B LOW P
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