95C MULTIPLE DISC BRAKE SERVICE AND REPAIR
Contents
1. ESKRIDGE 95C MULTIPLE DISC BRAKE SERVICE AND REPAIR MANUAL Example Part Number ag GEE Output Output Pilot Spline Input Torgue eties Spline Code Input Pilot Options 95C SERVICE MANUAL SPRING APPLIED HYDRAULICALLY RELEASED MULTIPLE DISC BRAKE This manual will assist in disassembly and assembly of major components for all Model 95C Brakes Item numbers indicated in paren theses throughout this manual refer to the Eskridge model 95C exploded paris breakdown drawings 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 The Model 95C Series Eskridge brake is a spring applied hydraulically released multiple disc parking brake The 95C is designed for failsafe type operations Temperature wear and contamination of the friction surfaces will affect the performance of the brake and should be taken into consideration when specifying a required torgue rating Care should be taken to avoid damaging the splines or mounting surfaces during installation The model 95C is not intended for use in dynamic applications Please contact Eskridge Sales Dept about any flow through applications Brake operation should be tested during normal service operation Brake inspection and service should be part of the normal service and maintenance schedule of the equipment or vehicle in2. 2 QTY OF SPRINGS MUST BE 2 3 4 6 8 9 10 OR 12 AS PORT OFTON ONLY Gs DETERMINED BY SPECIFIC BRAKE REQUIREMENTS PLCS 3 COMPATIBLE WITH CHAR LYNN 4000 MOTOR REPLACES 95 004 1153 SHAFT 4 COMPATIBLE WITH CHAR LYNN 6000 MOTOR WITH SINGLE BEARING OPTION ONLY 19 5 STANDARD PISTON O RINGS FOR 3 000 PSI ARE BLACK NITRILE OPTION E EXTRA PRESSURE O RINGS FOR 5 000 PSI SYSTEM ECN2196 PRESSURE ARE LIGHT YELLOW OR CREAM COL A SRG COLORED URETHANE X95C AF DATE 04 19 04 Eskridge Product Warranty ESKRIDGE INC Eskridge warranis 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 Commence
3. defective component thereof No cash payment or credit will be made for defective materials workmanship labor or travel INNO 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 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 We can 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 o
4. which it is used Any loss of holdng torque requires the removal inspection and replacemnt of suspect components SPECIFICATIONS Maximum release pressure 3 000 PSI Maximum operating temperature 170 F Maximum continous pressure 3 000 PSI Volume of oil to release brake 5 Cu in Maximum speed at full release pressure 3 900 RPM Approximate weight 42 Ibs Shaft splines 30 involute flat root side fit per ANSI B92 1 internal class 7 external class 5 Breakaway torque may vary 10 from specified ratings Use only mineral base hydraulic oil to release brake 5 000 PSI with E Extra Pressure option Torque ratings are based on standard friction material in ATF F fluid media or dry bronze at 0 PSI back pressure Break away torque may vary 10 from specified ratings The W wet option applies to bronze friction discs only and is furnished with mineral base hy draulic oil Torque rating for wet bronze brakes will vary depending upon the type of oil used Use only mineral base hydraulic oil for release of brake For flow thru option F use only fluids that are compatible with internal seals Use of fluids other than specified above will alter torque values WARNING While working on this equipment use safe lifting procedures wear adequate clothing and wear hearing eye and respiratory protection TORQUE CODE AND OPTIONS 95C4A2B037 W Loptions F Flow thru Ports in housing B Bronze Friction Discs Dry Spring Co
5. G IN LB 90B SAE B TO 4 800 90BA SAE B ADJUSTABLE TORQUE TO 4 800 92B SAE B LOW PROFILE TO 2 800 93 FOR NICHOLS MOTORS TO 6 100 95C SAE C TO 12 000 95W SAE C WHEEL MOUNT TO 21 000 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 33 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 www Eskridgelnc com
6. emoved 3 and replaced Check for wear spots or nicks on the sealing lip of oil seal Rotate inner race of bearing rotation should be smooth and without excess drag Assembly NOTE Parts must be clean and dry before assembly Visually inspect components for damage and abnormal wear Do not use damaged or worn parts 1 10 11 12 13 14 15 16 Place brake case 1 on a stable work platform bearing side down lf the oil seal 18 and bearing 7 are not being re placed skip to step number 4 Install seal from either side of case pressing until top of seal is flush with case Open side of seal should be facing inside of brake A seal installation tool is recommended Press in bearing 7 from outside Press against the bearing outer race until the bearing is fully seated in the case A bear ing installation tool is recommended Support the case in such a way that allows room for the shaft 5 to protrude out the bottom Two pairs of stacked 2 x 6 wood blocks work well Push the shaft downward through oil seal and bearing until shaft shoulder is seated against bearing Install spacer 3 Install separator plates 12 and friction discs 11 in exactly the same order as they were removed There should be a separator on the top and bottom of the stack Do not place a friction disc next to the piston Be careful not to con taminate the friction disc or separator plate surfaces with dirt grease or flu
7. ete the repair or maintenance If you are not sure about what is required for your brake and its configuration please contact Eskridge sales or engineering department Friction Disc Kit 95 016 2491 01 288 0072 Friction Disc Bronze 8 Separator Plate Kit 95 016 2501 01 288 0082 Separator Plate 9 Seal Kit Standard 95 016 1181 01 400 0191 Back up Ring Piston 1 01 400 0201 Back up Ring Piston 1 01 402 0601 O Ring Piston 1 01 402 0611 O Ring Piston 1 01 402 0621 O Ring Case Seal 1 01 402 0010 O Ring Mtr C 1 01 402 0220 O Ring Mtr B 1 01 405 0561 Shaft Seal 1 90 004 1061 Gasket SAE A 1 90 004 1091 Gasket SAE B 2bolt 1 90 004 1391 Gasket SAE C 4bolt 1 Master Rebuild Kit Standard 95 015 3241 95 016 2491 Friction Disc Kit 95C 1 95 016 1181 Seal Kit 95C 1 01 100 0221 Bearing 1 95 004 1041 Thrust Washer 1 Master Rebuild Kit Double Bearing Option 95 015 3251 95 016 2491 Friction Disc Kit 95C 1 95 016 1181 Seal Kit 95C 1 01 100 0221 Bearing 1 01 100 0231 Bearing 1 Option E Extra Pressure Option 5 000 PSI Kits Seal Kit High Pressure 95 016 1211 Same as standard seal kit but substitute 01 402 0870 for 01 402 0601 01 402 0880 for 01 402 0611 Master Rebuild Kit High Pressure 95 015 3291 Same as standard master rebuild kit but substitute 95 016 1211 for 95 016 1181 Master Rebuild Kit Double Bearings High Pressure 95 015 3301 Same as standard master rebu
8. id other than the brake was designed to use If replacing piston o rings 15 amp 16 and piston back up rings 13 amp 14 be sure o rings are nearest each other with back up rings to the outside of the piston 6 Lightly lubricate pis ton bores and o rings Take care not to get lubricant onto friction pack Gently slide piston into case until larger o ring touches case Using a light to medium duty press push piston completely into bore This will squeeze the o rings and back up rings and set piston against friction pack Place springs 10 into spring pockets in piston springs in a symmetrical pattern Arrange Install thrustwasher 4 For optional double bearing brakes install bearing into cover 2 Install case seal o ring 17 onto pilot of cover Set cover on top of piston springs and input end of shaft Apply a non hardening thread locking compound to each cover cap screw 8 and start each one into the case by hand Tighten cover cap screws 1 2 turn at a time in a criss cross pattern until cover is tight against the case Tighten to the torque shown in the chart on page 3 A light to medium duty press can be used to push the cover down on to the case so the cover bolts can be installed more easily The brake is now ready for testing of fit function and release pressure Use only mineral based hydraulic oil to test and operate Eskridge multiple disc brakes Bleed brake before pressurizing To test release
9. ild kit double bearings but substitute 95 016 1211 for 95 016 1181 95C Brake Exploded View Drawing C OR Model 95C FROM SIN 33228 0707 99 TO 85377 MAY 2007 PART NO DESCRIPTION 95 004 1004 CASE STANDARD 95 004 1124 CASE FLOW THRU COOLING PORTS F OPTION 95 004 COVER 95 004 1032 SPACER 95 004 1041 THRUST WASHER 01 109 0231 BEARING DOUBLE BRG D OPTION 95 004 SHAFT 95 004 1092 PISTON 01 100 0221 BEARING 01 50 0030 SOC HD CAP SCR 1 2 13 X 1 25 GR8 01 208 0020 HOLLOW HEX PLUG 7 16 20 01 261 0501 SPRING 3 4 X 1 BLUE 01 288 0072 FRICTION DISC ROTOR 01 288 0082 SEPARATOR PLATE STATOR 01 400 0191 BACKUP RING 011 400 0204 BACKUP RING 01 402 0601 O RING BUNA N STANDARD 01 402 0870 O RING URETHANE E OPTION 01 402 0611 O RING BUNA N STANDARD 01 402 0880 O RING URETHANE E OPTION 01 402 0621 O RING 01 405 0561 SEAL 01 402 0010 O RING MOTOR GASKET OR O RING COVER CODE INPUT MOUNT MOTOR GASKET sees sae Peace sere PART NO gt OPTIONAL KITS ITEMS INCLUDED SEAL KIT 95 016 1181 95 016 1211 13 14 15 16 17 18 19 01 402 0220 90 004 1061 1091 AND 1391 IEEE ENE eN fn NOTES 1 TOTAL QTY OF FRICTION DISCS ITEM 11 AND SEPARATORS ITEM 12 MUST EQUAL 17 FULL COMPLEMENT BRAKE INCLUDES 8 FRICTION DISCS ITEM 11 AND 9 SEPARATORS ITEM 12 FLOW THRU
10. ll be attached to the cover pilot Inspect the o ring and replace with a new one if worn or damaged Remove thrust washer 4 Note the color number and spacing of the springs 10 then remove them from piston 6 Inspect springs and replace with new ones if damaged broken or discolored from heat Support the brake with shaft up in such a way that the piston can be pushed out the bottom Two pairs of stacked 2 x 6 wood blocks work well Using a soft faced hammer drive the shaft 5 and piston down out of the case Note arrangement of friction discs 11 separator plates 12 and spacer 3 Remove friction discs separator plates and spacer Friction discs should be replaced with new ones if oil soaked dry brakes only Any friction discs or separator plates that are damaged warped or excessively worn should be replaced with new ones Minimum usable stack height not including the spacer is 1 650 inches If the stack of friction discs and separator plates is less than this they should be replaced Inspect brake shaft splines and bearing journals for abnormal wear or damage Remove o rings 15 amp 16 and back up rings 13 amp 14 from piston Replace with new ones if worn or damaged NOTE Standard o rings for 3 000 PSI are black nitrile Option E Extra Pressure o rings for 5 000 PSI system presurre are light yellow or cream colored urethane 14 If damaged the oil seal 18 and bearing 7 can be r
11. lor Code BW Bronze Friction Discs Wet Hyd Oil G Green E Extra System Pressure Up to 5 000 PSI R Red Quantity of Separator Plates Y Gold Quantity of Springs Torque in Ft Lbs G Dri 95C Brak Hydrauli ear Drive oe es Thread SAE Grade 5 SAE Grade 8 Size HE 1 sien 36 1 Des a a o a Installation NOTE Before beginning installation procedures visually in spect brake mounting flanges and shaft splines for damage during shipping 1 11 12 13 Position brake and motor for mounting and to orient the bleed and release ports as required If mounted with shaft horizon tal the bleed port should be at top It might be necessary to release brake before it can be rotated to align mounting holes If so follow instructions in steps 5 and 6 prior to apply ing release pressure Use only SAE grade 5 or better fasteners for mounting brake and motor Disassembly Remove any plugs and fittings from the brake pressure and bleed ports Drain or blow out as much hydraulic oil as possible from the brake into a suitable container for proper disposal Place brake on stable work platform shaft down Support the brake so it won t fall over Remove the four socket head cap screws 8 from input end of brake The capscrews and cover 2 are under spring load The capscrews should be loosened gradually and uni formly Remove cover This will expose the internal components of the brake The case seal o ring 17 wi
12. ment 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 determined by Eskridge in its sole absolute and uncontrolled discretion to be impossible or impractical by replacement of the Units or any
13. pressure be sure one of the two hollow hex plugs 9 is installed Connect a hydraulic power source either a hand pump or port a power to the other brake port Bleed air from brake then pressurize the brake slowly to the advertised release pressure both initial and full As you pressurize the brake rotate the brake shaft The brake shaft should be able to turn at the advertised ini tial release pressure or 25 PSI There will be drag on the shaft Increase the pressure slowly until the shaft spins freely this is the full release pressure As you pressurize the brake look for signs of leaks which would indicate that the o rings or back up rings may have been damaged during as sembly NOTE Maximum operating pressure is 3 000 PSI with stan dard nitrile o rings on pistion and 5 000 PSI with E option ure thane o rings Operation above this pressure is detrimental to the life of the brake and could be dangerous THE BRAKE IS NOW READY FOR USE 95C Repair Kits Due to the many combinations of torques and release pressures available for the 95C it is impossible to detail each style and supply a repair kit for each individual model The information listed in this manual is representative of all 95C brakes The repair kits listed below will work with all combinations of torque vs release pressure input mountings and friction plates It is entirely possible to have extra parts left over from the repair kits after you have compl
14. rder 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 ESKRIDGE PRODUCTS Planetary Gear Drives TORQUE RATING IN LB SERIES MODELS MAX INTERMITTENT 20 20B 20P 20LB 20LP 20 000 28 28B 28P 28M 28LB 28LP 50 000 50 50K L 50LG 50N 50 000 65 60B 60E 60L 60 000 100 100E 100 000 105 105E 100 000 130 130 130 000 150 150 150 000 250 250K L 251K L 252K L 253K L 250 000 600 600K L 600 000 1000 100K L 1 000 000 Multiple Disc Brakes SERIES FEATURES TORQUE RATIN
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