Eskridge 98D Series Service Manual
Contents
1. M 13 PLUS 1 DISCS ITEM 12 DATE 10 05 94 www comoso com 2 O Do PRODUCT WARRANTY ESKRIDGE INC Eskridge warrants to its original purchaser Customer that new component parts Parts sold by Eskridge to the Customer will be free of defects in material and workmanship and will conform to standard specifications set forth in current Eskridge sales literature or to any custom specifications of the Customer acknowledged in writing by Eskridge SUBJECT TO THE FOLLOWING QUALIFICATIONS AND LIMITATIONS 1 Prior to placing warranted Parts in service the Customer shall provide proper storage such that foreign objects e g rain or debris cannot enter any Parts via entry ports which are normally closed during operation 2 If Parts requiring motorized power for operation are received from Eskridge without a motor documentation must be available indicating proper lubrication upon placement of the Parts in service 3 The Customer must notify Eskridge in writing of any claim for breach of this warranty promptly after discovery of a defect and in any event prior to the termination of the warranty period which shall commence when a unit is placed in service and shall expire upon the earlier of i the expiration of twelve 12 months from the date of Commencement of Service as defined in Paragraph 4 ii2. 2 Use only SAE grade 5 or better fasteners for mounting brake and motor 3 Allow at least one thread diameter of thread engagement when selecting fastener lengths Be sure fasteners will not bottom out when fully tightened 4 See torque chart below for torque values 5 Remove plastic protective plug from pressure port of brake and attach a hydraulic pressure line with a 7 16 20UNF 2A straight thread o ring fitting Use only mineral based hydraulic oil to test and operate the brake 6 Apply low pressure 20 30 PSI to brake release port Loosen hollow hex plug 10 opposite pressure port just enough to allow air to bleed from between piston o rings After air has been bled from brake remove pressure tighten plug TORQUE IN FT LBS THREAD SAE GRADE 5 SAE GRADE 8 SIZE DRY LUBED DRY LUBED 3 8 16 30 25 45 35 1 2 13 13 55 110 80 5 8 11 150 110 220 170 3 4 10 260 200 380 280 Disassembly DRemove 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 2 Place brake on stable work platform shaft down Support the brake so it won fall over 3 Remove the eight socket head capscrews 7 from mput end of brake The capscrews and cover 2 are under spring load The capscrews should be loosened gradually and uniformly 4 Remove cover This will expose the internal components of the brake The c
3. EXAMPLE PART NUMBER 98 D 9 C 4 0608 D 98D Series Brake Service amp Repair Manual d EFFECTIVE FOR S N 36992 UP DATE 09 13 94 UP SM98D gt 61599 WWW comoso com MODEL 98D SERVICE MANUAL This manual will assist in disassembly and assembly of major components for all Model 98D Brakes Item numbers indicated in parentheses throughout this manual refer to the Eskridge Model 98D exploded parts 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 98D series Eskridge 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 breadaway 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 failsafe brake should be used when the only requirement 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 1
4. 3 If parts are found to be operable you have two options a The Parts can be returned to you with a service charge for inspection cleaning and routine replacement of all rubber components and any other parts that show wear or b We can dispose of the Parts at the factory if you do not wish it to be returned NOTE Any order of Parts 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 Parts www comoso com OTHER ESKRIDGE PRODUCTS PLANETARY GEARBOXES MODEL TORQUE RATING MAX INTERMITTENT 20 28 SERIES 20 000 28 000 IN LBS 36 50 SERIES 36 000 50 000 IN LBS 60 SERIES 60 000 IN LBS 100 SERIES 100 000 IN LBS 130 SERIES 120 000 IN LBS 150 SERIES 150 000 IN LBS 225 SERIES 225 000 IN LBS 600 SERIES 600 000 IN LBS 1000 SERIES 1 000 000 IN LBS MULTIPLE DISC BRAKES OUTPUT TORQUE 90B SAEB TO 4 800 IN LBS 90BA SAEB ADJUSTABLE TORQUE TO 4 800 IN LBS 92B SAE B LOW PROFILE 93 FOR NICHOLS MOTORS TO 2 800 IN LBS TO 6 100 IN LBS 95C SAEC TO 12 000 IN LBS 95W WHEEL MOUNT TO 21 000 IN LBS 98D SAED TO 25 000 IN LBS PLANETARY AUGER DRIVES DIGGERS TO
5. 01 402 0030 O Ring Piston 1 01 402 0690 O Ring Piston 1 01 402 0700 O Ring Case Seal 1 01 405 0640 Shaft Seal 1 90 004 1391 Gasket SAE C 4bolt 1 98 004 1112 Gasket SAE D 4bolt 2 to have extra parts left over from the repair kits after you have complete the repair or maintenance Ifyou are not sure about what is required for your brake and its configu ration please contact Eskridge Inc sales or engineering department Repair kits listed below are for use with the model 98D multiple disc brake Master Rebuild Kit 98D 98 015 3001 01 100 0231 Bearing 1 98 016 1061 Seal Kit 98D 1 98 016 2001 Friction Disc Kit 98D 1 WWW comoso com 11 SSES FECTIV DAT STA RTING S ERIAL NO 9 13 94 36992 ITEM QTY PART NO DESCRIPTION 98 004 10 14 CASE 2 98 004 A COVER 3 98 004 1032 PISTON 4 068 004 1043 SH
6. 0 of the slip protection rating for the unit SPECIFICATIONS Maximum pressure 3 000 PSI Maximum operating temperature 170 F Maximum continuous pressure 3 000 PSI Volume of oil to release brake 50 cu in Maximum speed 3 900 RPM Approximate weight 59 lbs Shaft splines 30 involute flat root side fit per Breakaway torque may vary 10 from specified ANSI B92 1 1970 ratings Internal class 7 Use only mineral base hydraulic oil to release brake External class 5 gearbox A 98D brake hydraulic motor oe T y A 8 El H a gasket gasket o ring WWW comoso com WARNING While working on this equipment wear adequate protective clothing hearing eye and respiratory protection Use safe lifting procedures Installation NOTE Before beginning installation procedures visually inspect brake mounting flanges and shaft splines for damage during shipping 1 Position brake and motor for mounting and to orient the bleed and release ports as required Ifmounted with shaft horizontal 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 applying release pressure
7. AFT gt 5 98 004 1121 SPACER 6 01 100 0231 BEARING if 8 01 150 0030 SOC HD CAP SCR 1 2 13 X 1 25 CRE 8 1 01 160 0050 RETAINING RING 9 1 01 160 0060 RETAINING RING O 1 01 208 0020 HOLLOW HEX PLUG 77 16 20 x 01 261 0501 SPRING 2 01 288 0102 FRICTION DISC 3 01 288 0112 SEPARATOR PLATE 4 01 400 0210 BACKUP RING 3 01 400 0220 BACKUP RING 6 01 402 0030 O RING 7 01 402 0690 O RING 8 01 402 0700 O RING 9 1 01 405 0640 SEAL COVE ART NO GASKE ART NO SAE C 4 BOL1 98 004 107 SAE C 4 BOLT 90 004 1391 A SAE D 4 BOL1 98 004 102 SAE D 4 BOLT 98 004 1112 O RING ART NO SAE E 01 402 00 10 INPUT SPL ADAPTE ART NO 14T 12 24 SPLINE 98 005 1141 OPTIONAL KITS PART NO TEMS INCLUDED 14 15 16 17 18 19 90 004 1391 FRICTION DISC KIT 98 016 2001 12 11 PCS SEPARATOR PLATE KIT 98 0 16 202 ERR POS MASTER REBUILD KIT 98 0 15 300 6 SEAL amp FRICTION KITS NOTES 1 QUANTITY OF SPRINGS IS DETERMINED BY SPECIFIC BRA REQUIREMENTS 2 TOTAL QUANTITY OF SEPARATORS ITEM 13 AND SPACERS ITEM 5 MUST EQUAL 10 QUANTITY OF FRICTION DISCS ITE 2 EQUALS QUANTITY OF SEPARATOR PLATES IT 3 A FULL COMPLEMENT BRAKE INCLUDES 10 SEPARATOR PLATES ITEM 13 11 FRICTIO O SPACERS ITEM 5 AND 14 SPRINGS ITEM 11 M SERV X98DOA
8. RQUE RATING D36 MODELS 1600 2000 amp 2800 1 600 4 500 FI LBS 6 MODELS BA amp BC TWO SPEED 8 000 12 500 FI LBS 77 MODELS BA BC amp BD 6 000 12 500 FI LBS 78 MODELS 35 amp 48 TWO SPEED 9 000 12 500 FI LBS 4 MODELS 38 amp 51 TWO SPEED 12 ESRRIDGE 1900 Kansas City Road Olathe Kansas 66061 phone 913 782 1238 fax 913 782 4206 16 500 20 000 FT LBS Your nearest Eskridge Distributor is WEBSITE www eskridgeinc com E MAIL sales eskridgeinc com WWW comoso com
9. ase seal o ring 18 will be attached to the cover pilot Inspect the o ring and replace with a new one if worn or damaged 5 Note the color number and spacing of the springs 11 then remove them from piston 3 Inspect springs and replace with new ones if damaged broken or discolored from heat 6 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 7 Remove retaining ring 8 from the shaft 4 8 Using asoft faced hammer drive the shaft and piston down out of the case 9 Remove the case Note arrangement of friction discs 12 separator plates 13 and spacers 5 10 Remove friction discs separator plates and spacers 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 11 Friction discs should be replaced if less than 080 inch thick Separator plates should be replaced if less than 081 inch thick 12 Inspect brake shaft splines and bearing journals for abnormal wear or damage www comoso com 13 Remove o rings and back up rings 14 15 16 17 18 from piston Replace with new ones if worn or damaged 14 If damaged the oil seal 19 and bearing 6 can be removed and replaced Check for wear spots or nicks on the sealing lip of oil seal Rotate inner race of bearing r
10. defective materials or workmanship IN NO EVENT SHALL ESKRIDGE BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR NATURE WHICH DAMAGES ARE HEREBY EXPRESSLY DISCLAIMED 8 From time to time Eskridge may make changes in the component parts manufactured by it without incorporating such changes in the component parts previously shipped Such changes shall not constitute an admission by Eskridge of any defects or problems with previously manufactured component parts 9 All freight charges on Parts returned for warranty service are the responsibility of the Customer THE FOREGOING WARRANTY IS THE SOLE WARRANTY MADE BY ESKRIDGE WITH RESPECT TO ANY PARTS 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 PARTS FOR THE CUSTOMER S INTENDED USE APPLICATION OR PURPOSE AND THE PROPER METHOD OF INSTALLATION OR MOUNTING MUST BE DETERMINED BY THE CUSTOMER WARRANTY RETURN POLICY 1 All Parts shall be returned freight prepaid 2 Any Parts qualifying for warranty will be repaired with new Parts free of charge except for freight charges as provided above
11. otation should be smooth and without excess drag Remove retaining ring 9 before attempting bearing re moval 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 Place brake case 1 on a stable work platform bearing side down If the oil seal 19 and bearing 6 are not being replaced skip to step number 5 2 Install seal from inside case pressing until top of seal is flush with case Open side of seal should be toward inside of brake A seal installation tool is recommended 3 Press in bearing 6 from outside Press against the bearing outer race until the bearing is fully seated in the case A bearing installation tool is recommended 4 Install retaining ring 9 into the case 5 Support the case in sucha way that allows room for the shaft 4 to protrude out the bottom Two pairs of stacked 2 x 6 wood blocks work well 6 Push the shaft downward through oil seal and bearing until shaft shoulder is seated against bearing 7 Install retaining ring 8 on shaft 8 If the brake uses spacers 5 install them 9 Install separator plates 13 and friction discs 12 in exactly the same order as they were removed There should be a friction disc on the top and bottom of the stack Do not place a separator plate next to the piston Be careful not to contaminate the friction disc or separator plate surfaces with dir
12. st release pressure place the hollow hex ITEM 10 plug in one of the brake ports 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 at the output end The brake shaft should be able to turn at the advertised initial 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 were damaged during assembly www comoso com Repair Kits Model 98D NOTE Due to the many combinations of torques and release pressures available for the 98D it is impossible to detail each style and supply a repair kit for each individual model The information listed in this manual is represen tative of all 98D brakes The repair kits listed below will work with all combinations oftorque vs release pressure input mountings and friction plates It is entirely possible Friction Disc Kit 98D 98 016 2001 01 288 0102 Friction Disc Stator 11 Separator Plate Kit 98D 98 016 2021 01 288 0112 Separator Plate 10 Seal Kit 98D 98 016 1061 01 400 0210 Back up Ring Piston 1 01 400 0220 Back up Ring Piston 1 01 402 0010 O Ring Mtr C 1
13. t grease or fluid other than the brake was designed to use 10 If replacing piston o rings 16 amp 17 and piston back up rings 14 amp 15 be sure o rings are nearest each other with back up rings to the outside of the piston 3 Lightly lubricate piston bores and o rings Take care not to get lubricant onto friction pack 11 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 12 Place springs 11 into spring pockets in piston Arrange springs in a symmetrical pattern 13 For optional double bearing brakes install bearing into cover 2 14 Install case seal o ring 18 onto pilot of cover 15 Set cover on top of piston springs and input end of shaft 16 Apply anon hardening thread locking compound to each cover capscrew 7 and start each one into the case by hand Tighten cover capscrews 1 2 turn at a time in a crisscross 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 onto the case so the cover bolts can be installed more easily 17 The brake is now ready for minor 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 te
14. the completion of one thousand 1 000 hours of service of the Parts iii 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 Parts are installed or on which it is mounted or iv the installation or mounting of the Parts in or on an item of machinery or equipment other than the first such item in which the Parts are installed or on which the Parts are mounted 4 Parts shall be deemed to have been place in service the Commencement of Service at the time the machinery or equipment manufactured or assembled by the Customer and in which the Parts are installed or on which the Parts are mounted is delivered to the Customer s dealer or the original end user which ever receives such machinery or equipment first 5 This warranty shall not apply with respect to Parts which upon inspection by Eskridge show signs of disassembly rework modifications or improper installation mounting use or maintenance 6 Eskridge makes no warranty in respect to hydraulic motors mounted on any Parts Failure of any such motor will be referred to the motor manufacturer 7 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 Parts or any defective component thereof No cash payment or credit will be made for
Download Pdf Manuals
Related Search