25150 Posi-Stop Service Manual (final)
Contents
1. SPICER Off Highway Products service Manual 25150 Posi Stop Brake ASM 0083 March 2006 25150 Posi Stop LCB Liquid Cooled Brake Service Manual NOTES 25150 Posi Stop LCB Liquid Cooled Brake Service Manual FOREWORD This manual has been prepared to provide the customer and maintenance personnel with information and instructions on the maintenance and repair of Dana Products Extreme care has been exercised in the design and selection of materials and manufacturing of these units The slight outlay in personal attention and cost required to provide regular and proper lubrication inspection at stated intervals and such adjustments as may be indicated will be reimbursed many times in low cost operation and trouble free service In order to become familiar with the various parts of the product it s principle of operation troubleshooting and adjustments it is urged that mechanics study the instructions in this manual carefully and use it as a reference when performing maintenance and repair operations Whenever repair or replacement of component parts is required only Dana approved parts as listed in the applicable parts manual should be used Use of will fit or non approved parts may endanger proper operation and performance of the equipment Dana does not warrant repair replacement parts or failures resulting from the use of parts which are not supplied or approved by Dana Important Always2. 35 38 5 0 01 834431 ONY HONANO 1 381 72 88 2298 H0298 JMVW S31ON V V NOI LOSS 2974 090 0007210 x 00086 0067212 138 000 81 Y F oe 006 00076 0067 UCAN NMOHS SV 532714 fF 19 31 29 2 X Nid 0065760 25 553 0 JOVAYNS 67 07 01 834431 ONY HONSNO 1 381 1 3 72 2288 2298 80298 3 IVIYJLYN 71 5310 V V NOIL93S SJIV 1d NYHL dVl OHL 2 1 06271 BRAKE SPRING COMPRESSION TOOL BOLT PLATE Axle Model 21D x i 5 9 O 5 5 2 O e O Q ya v 9 LO LO N 6 5 S gt 8 20 25150 Posi Stop LCB Liquid Cooled Brake Service Manual SSAINGYVH JOVAYNS 67 07 Ol 8348431 1 381 1 3 72 Hee88 2298 0298 71 SILON V V NOI 153S Axle Models 53R amp 48T S35V1d F NYHL 2 1 06271 BRAKE SPRING COMPRESSION TOOL BOLT PLATE 27 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE SPRING COMPRESSION TOOL INSTALLATION Tt Wh E a Aa LI i Spindia Nut
3. 1 8 27 1 4 18 3 8 18 1 2 14 3 4 14 1 11 1 2 11 4 11 1 2 Size ELASTIC STOP NUTS LBF FT Nm 12 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 1 Remove 4 warning sticker cover screws Figure 2 Remove 2 warning sticker covers Note Warning Figure 3 Note warning cast into brake cover Posi Stop LCB Disassembly Figure 4 Remove 2 pressure port plugs Brake Cover Removal Figure 5 This disassembly procedure is tedious and time consuming Due to the potential for injury and damage any shortcuts should be avoided A Spring compression tool drawing and instructions are included on page 23 It is recommended the compression tool be used to disassemble and reassemble the brake IMPORTANT If the brake spring compression tool is not going to be used the following procedure must be followed to avoid personal injury and component damage The brake cover is under 72 000 psi pounds square inch of pressure created by the brake apply springs It is recommended that the capscrew heads be numbered to assist in following the loosening tightening sequence Refer to figure 48 Ina crossing or star pattern loosen the 24 brake cover capscrews turning no more than one quarter 1 4 turn at a time in sequence Continue this process until all pressure on the cover ha
4. alignment of reaction disc teeth and teeth in the brake housing IMPORTANT This is a critical step If the teeth are not properly aligned they will not enter the brake housing without damage as the springs are compressed 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 50 Tighten the 24 brake outlet cover screws in a criss crossing pattern by turning each screw NO MORE THAN 1 4 TURN As springs are compressed check alignment of reaction disc teeth as they enter the brake housing When cover contacts brake housing the screws should be tightened to 175 190 LBF FT 240 260 Nm Figure 51 Install 2 pressure port plugs Tighten to 84 120 LBF IN 10 14 Nm Figure 52 Air pressure test Refer to pressure test instructions on page 10 Figure 53 Hydraulic pressure test brake Refer to pressure test instructions on page 10 Figure 54 One at a time remove the 24 brake cover screws Apply Loctite 262 or equivalent to the threads reinstall and tighten to 175 190 LBF FT 240 260 Nm IMPORTANT Do not remove more than one screw at a time Figure 55 Install 2 warning sticker covers with 4 screws and tighten to 215 240 LBF IN 24 27 Nm 22 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE SPRING COMPRESSION TOOL INSTRUCTIONS WARNING DO NOT ATTEMPT TO MAKE ANY REPAIRS ON THE B
5. furnish serial and model numbers when ordering parts SAFETY PRECAUTIONS To reduce the chance of personal injury and or property damaged the following instructions must be carefully observed Proper service and repair are important to the safety of the service technician and the Safe reliable operation of the machine If replacement parts are required the part must be replaced with a Dana specified replacement part Do not use a replacement part of lesser quality The service procedures recommended in this manual are effective methods of performing service and repair Some of these procedures require the use of purpose designed tools Accordingly anyone who intends to use a replacement part service procedure or tool which is not recommended must first determine that neither his safety or the safe operation of the machine will be jeopardized by the replacement part service procedure or tool selected It is important to note that this manual contains various Cautions and Notices that must be carefully observed in order to reduce the risk of personal injury during service or repair Improper service or repair may damage the unit or render it unsafe It is important to understand that these Cautions and Notices are not exhaustive It is impossible to warn of all possible hazardous consequences that may result from following or failing to follow these instructions 25150 Posi Stop LCB Liquid Cooled Brake Service Manual TAB
6. 1250 7 UNC x 500 HEX HEAD CAP SCREW 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE ASSEMBLY LIFTING TOOL N3QHVH 91 1831138 553415 0 938 ININOM 321A30 9N11311 NOI Ld YSIG 2 00 01 X 00 2 X SL N n a 8970 29 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE PISTON LIFTING TOOL 30
7. ENDED LUBRICANTS Recommendations Extreme pressure gear lubricant is recommended for use in all drive steer and rigid drive axles except where explicitly stated differently by Spicer Off Highway Products Engineering Mineral Based Acceptable lubricants must meet API GL 5 MT or MIL PRF2105E qualifications The highest viscosity grade must be used given the prevailing ambient temperatures from the chart below Synthetics Synthetic lubricants are recommended providing they meet API GL 5 MT 1 qualifications The highest viscosity grade must be used given the prevailing ambient temperatures from the chart below In general synthetic oils have a lower pressure viscosity response than mineral oil lubricants as the contact pressure between the gears increases This produces a thickening of the mineral oil at the contact point This increase in viscosity helps to maintain lubricant film thickness reducing the possibility of surface and spalling fatigue Synthetic lubricants do not thicken as much under pressure unless specifically formulated to do so Before using a synthetic lubricant in heavy applications the customer must check with the lubricant supplier on the issue of high pressure lubricant applications Normal Oil Change Intervals Oil change intervals for mineral based lubricants in normal environmental and duty cycle conditions is 1000 hours in all off highway applications and 10 000 miles in on highway applications Severe or sustained high oper
8. INSPECTION The importance of careful and thorough inspection of all parts cannot be overstressed Replacement of all parts showing indication of wear or stress will eliminate costly and avoidable failures at a later date BEARINGS Carefully inspect all rollers cages and cups for wear chipping or nicks to determine fitness of bearings for further use Do not replace a bearing without replacing the mating cup or cone at the same time After inspection dip bearings in clean light oil and wrap in clean lint free cloth or paper to protect them until installed OIL SEALS GASKETS AND RETAINING RINGS Replacement of spring loaded oil seals gaskets and snap rings is more economical when unit is disassembled than to risk premature overhaul to replace these parts at a future time Loss of lubricant through a worn seal may result in failure of other more expensive parts of the assembly Sealing member should be handled carefully particularly when being installed Cutting scratching or curling under lip of seal seriously impairs its efficiency At reassembly lubricate lips of oil seals with Multipurpose Lithium grease Grade 2 25150 Posi Stop LCB Liquid Cooled Brake DANA Service Manual CLEANING AND INSPECTION CONT GEARS AND SHAFTS If Magna Flux or a dye penetrant process is available use process to check parts Examine teeth and the ground polished surfaces of all gears and shafts carefully for wear pitting chipping nicks
9. LE OF CONTENTS 2 Foreword And Safety Precautions 3 Table of Contents 4 Description 5 Posi Stop LCB Exploded View 6 Posi Stop LCB Parts Description 7 Recommended Lubricants 8 Cleaning and Inspection 10 Posi Stop LCB Pressure Test Instructions 11 Fastener Torque Chart 12 Plug and Elastic Stop Nut Torque Charts DISASSEMBLY SECTION 13 Posi Stop LCB Disassembly 13 Brake Cover Removal 14 Discs Pressure Ring amp Spring Removal 15 Wear Indicator Pin Removal 15 Brake Piston Removal REASSEMBLY SECTION 18 Posi Stop LCB Reassembly 18 Wear Indicator Pin Installation 18 Pressure Ring and Spring Installation 19 Brake Disc Installation 20 Brake Piston Installation 21 Brake Cover Installation SPECIAL TOOL SECTION 23 Brake Spring Compression Tool Inst 25 Brake Spring Compression Tool Drawing 28 Brake Spring Compression Tool Installation 29 Brake Assembly Lifting Tool 30 Brake Piston Lifting Tool 25150 Posi Stop LCB Liquid Cooled Brake Service Manual POSI STOP LCB LIQUID COOLED BRAKE The liquid cooled brake is ideal for use in contaminated or temperature sensitive environments and in machines where extra long maintenance intervals are required Braking action of the Posi Stop LCB is achieved through the application of the hydraulic piston and brake apply springs with the rotating friction surfaces which react with stationary stator plates The stator plates are retained by scalloped tangs at the outside dia
10. RAKE UNTIL THIS TEXT IS COMPLETELY READ AND UNDERSTOOD AND ALL SAFETY PRECAUTIONS COMPLIED TO 1 Disassemble wheel end from spindle up to and including the removal of the wheel hub from the brake discs NOTE If axle spindle or axle housing is to be replaced remove brake as an assembly by removing brake to spindle screws and washers Remove brake assembly from spindle It is imperative that a special disassembly and reassembly spring compression tool be fabricated before disassembling any part of this brake a drawing of the tool is included 2 Install spring compression tool main section over axle spindle through brake discs and against the piston pressure ring 3 Install the bolt plate and bolts over the spindle Back the bolts out far enough so they do not contact the cylinder face 4 Install spindle nut and tighten securely against compression tool 5 Tighten the four 4 compression tool bolts against compression tool cylinder This will hold the springs in position while removing the brake cover and brake discs WARNING OUTER BRAKE HOUSING COVER IS UNDER 72 000 LBS COMPRESSED SPRING PRESSURE AND EXTREME CAUTION MUST BE TAKEN IN REMOVING THIS COVER BRAKE COVER BOLTS MUST BE REMOVED CAUTIOUSLY AND EVENLY DO NOT REMOVE BRAKE COVER BOLTS ONE 1 AT A TIME 6 With the spring compression tool securely in place remove the brake cover bolts evenly Do not remove bolts one at a time Z Remove brake cover and piston from bra
11. and washers installed Figure 17 Using a pry bar evenly pry piston out of the brake cover until it is no longer in contact with the piston seals 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 18 Figure 21 Piston pulled out of seals Remove inner piston seal assembly Piston can be removed by hand at this point Figure 19 Figure 22 Remove brake piston Remove 2 pressure port sealing rings Figure 20 Figure 23 Remove outer piston seal assembly Remove pressure ring seal ring 16 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 24 Remove 2 brake wear indicator pin o rings Figure 25 Remove brake wear indicator pin retaining ring NOTE Not necessary to remove unless replacement is required Clean and inspect all components Repair or replace components as required 17 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Posi Stop LCB Reassembly Figure 26 Figure 29 Clean cured thread locking compound from holes Install 2 wear indicator pin o rings and lubricate with a 625 11 UNRC 2A tap Use compressed air to remove residue from holes Use appropriate eye protection when using compressed air Fre prey x T ku Figure 27 Figure 30 Position brake housing on blocks as shown to Install wear
12. ating temperature or very dusty atmospheric conditions will result in accelerated deterioration or contamination Judgment must be used to determine the required change intervals for extreme conditions Extended Oil Change Interval Extended oil service may result when using synthetic lubricants Appropriate change intervals must be determined for each application by measuring oxidation and wear metals over time to determine a baseline Wear metal analysis can provide useful information but an axle should not be removed from service based solely on this analysis Vehicles which are prone to high levels of ingested water in the axle or water as a result of condensation should not use extended drain intervals Friction Modifiers Friction modifiers may be used with the lubricant to reduce Posi Torg limited slip differential noise or liquid cooled brake noise If friction modifiers re used follow instructions on TSB 278E The use of aftermarket lubricant additives other than those specified is not recommended and may reduce the life of the axle and void the warranty Recommended Viscosity Grade Based on Prevailing Ambient Temperature 7 25150 Posi Stop LCB Liquid Cooled Brake Service Manual CLEANING AND INSPECTION CLEANING Clean all parts thoroughly using solvent type cleaning fluid It is recommended that parts be immersed in cleaning fluid and agitated slowly until parts are thoroughly cleaned of all old lubricants and
13. cracks or scoring If gear teeth are cracked or show spots where case hardening is worn through replace with new gear Small nicks may be removed with Suitable hone stone Inspect shafts to make certain they are not sprung bent or have twisted splines HOUSINGS COVERS AND CAPS Inspect housings and covers to be certain they are thoroughly cleaned and that mating surfaces bearing bores etc are free from nicks or burrs Check all parts carefully for evidence of cracks or conditions which can cause oil leaks or failures 25150 Posi Stop LCB Liquid Cooled Brake Service Manual POSI STOP LCB PRESSURE TEST INSTRUCTIONS 1 Pressure Decay Test and Criteria A After completing assembly and with bleeder plugged apply 12 PSI 83 kPa air pressure to the brake fluid actuation port Shut off air at inlet to hold pressure on brake Let pressure stabilize for 30 seconds This is to compensate for temperature change piston movement and seating of seal lips Re pressure to 12 PSI 83 kPa if required and hold for 15 seconds with no pressure drop Repeat re pressuring until 12 PSI 83 kPa holds for 15 seconds minimum but not over 3 repressurings If after 3 re pressurings brake will still not hold pressure tear down and determine cause of leak rebuild and retest 2 Air and Hydraulic Pressure Test A B After completing assembly with bleeder plugged apply 100 PSI 689 kPa air pressure to the brake fluid actuatio
14. e reaction disc teeth with the internal teeth in brake housing Figure 40 Install 2 alignment pins in brake housing 180 apart NOTE Alignment pins can be made by using bolts with heads cut off Brake Piston Installation Figure 41 Install outer piston seal assembly Figure 42 Install inner piston seal assembly NOTE Use caution not to over stretch the inner o ring and seal ring Figure 43 Lightly lubricate inner and outer piston seals and piston with grease install piston in brake cover 20 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 44 Evenly press piston into brake cover until it bottoms out C clamps can be used as shown to ease this process Brake Cover Installation Figure 45 Install 2 pressure port seal rings NOTE Use grease to retain seal rings in grooves during handling and assembly _ 2 Figure 46 Mark location of pressure ports on brake cover housing Align ports and install cover on alignment pins 21 Figure 47 Remove 2 alignment pins and install 24 brake cover screws and washers NOTE Run screws down only Finger Tight Tg ire a i w i a Figure 48 Mark screws with numbers from 1 24 in a criss crossing pattern Figure 49 Carefully recheck
15. foreign materials CAUTION Care should be exercised to avoid skin rashes fire hazards and inhalation of vapors when using solvent type cleaners BEARINGS Remove bearings from cleaning fluid and strike larger side of cone flat against a block of wood to dislodge solidified particles of lubricant Immerse again in cleaning fluid to flush out particles Repeat above operation until bearings are thoroughly clean Dry bearings using moisture free compressed air Be careful to direct air stream across bearings to avoid spinning Bearings may be rotated slowly by hand to facilitate the drying process HOUSINGS COVERS AND CAPS Clean interior and exterior of housings bearing caps etc thoroughly Cast parts may be cleaned in hot solution tanks with mild alkali solutions providing these parts do not have ground or polished surfaces Parts should remain in solution long enough to be thoroughly cleaned and heated This will aid the evaporation of the cleaning solution and rinse water Parts cleaned in solution tanks must be thoroughly rinsed with clean water to remove all traces of alkali Cast parts may also be cleaned with steam cleaner CAUTION Care should be exercised to avoid skin rashes and inhalation of vapors when using alkali cleaners Thoroughly dry all parts cleaned immediately by using moisture free compressed air or soft lintless absorbent wiping rags free of abrasive materials such as metal filings contaminated oil or lapping compound
16. indicator pin in housing allow clearance for the wear indicator pin Pin will protrude through bottom of housing Pressure Ring and Spring Installation Wear Indicator Pin Installation i Figure 31 Figure 28 Lubricate pressure ring o ring sealing surface with grease Install wear indicator pin retaining ring 18 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 32 Figure 35 Install brake spring sets Set pressure ring into position A lifting device similar to the one shown can ease installation Refer to tool drawing on page 30 Brake Disc Installation s W 1 Figure 33 Lubricate brake cover seal ring with grease and install Figure 36 Install reaction disc Figure 34 Figure 37 Lubricate seal ring with grease and install on pressure ring Identify the rounded edges on teeth of friction discs Rounded edges should be installed facing UP 19 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 38 Install friction disc Alternately install the remaining reaction and friction discs NOTE Align the friction disc oil grooves missing teeth with the previously installed friction disc Alignment of friction disc teeth at this time will ease spline engagement during hub installation Figure 39 Line up th
17. ke housing 8 Remove the friction and reaction discs 9 Cautiously evenly turn out thread at a time the compression tool bolts The compression springs will push the piston pressure ring out of the brake housing WARNING BEFORE REMOVING COMPRESSION TOOL FROM SPINDLE MAKE SURE ALL SPRING FORCE IS OFF OF PRESSURE RING AND RING MOVES FREELY IN BRAKE HOUSING 10 Remove spindle nut and remove two piece compression tool Refer to pages 15 amp 20 for detailed disassembly and reassembly instructions for servicing the internal components of the brake housing and cover 23 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE SPRING COMPRESSION TOOL INSTRUCTIONS CONT REASSEMBLY 1 Install brake housing on axle 2 Install all spring sets 3 Position piston pressure ring in brake housing 4 Install spring compression tool main section over axle spindle and centered in pressure ring 5 Install the bolt plate and bolts over the spindle Back the bolts out far enough so they do not contact the cylinder face 6 Install spindle nut and tighten securely against round compression tool 7 Turn the four 4 compression tool bolts in against compression tool cylinder 8 Cautiously and evenly in a criss crossing manner tighten compression tool bolts a thread or two at a time to compress spring sets and push pressure ring into brake housing Springs are compressed far enough when the tangs on the pressure
18. meter which in turn transfer the reaction torque to the rigid outside housing Hub splines are long enough to engage all friction discs before bearings or seals are set This provides ease of service reassembly Wheel bearings are serviced as in any normal bearing service procedure 25150 Posi Stop LCB Liquid Cooled Brake Service Manual POSI STOP LCB EXPLODED VIEW 25150 Posi Stop LCB Liquid Cooled Brake Service Manual POSI STOP LCB PARTS DESCRIPTION ITEM DESCRIPTION Wear Indicator Pin Snap Ring Wear Indicator Pin O Ring Wear Indicator Pin Actuating Port Plug Cooling Outlet Port Plug Cooling Outlet Port Plug O Ring Cooling Outlet Port Plug Cooling Outlet Port Plug O Ring Actuating Port Plug O Ring Bleeder Screw Brake Housing Brake Apply Outer Spring Brake Apply Inner Spring Pressure Ring Seal Ring Piston Pressure Ring QTY PF e e re re F F F ITEM DESCRIPTION 18 19 20 21 22 23 24 25 26 2 28 29 30 31 32 Reaction Disc Friction Disc Brake Cover Seal Piston Outer Seal Assembly Brake Piston Piston Inner Seal Assembly Brake Outer Cover Port Square Cut Seal Ring Warning Sticker Warning Sticker Cover Sticker Cover Screw Port Plug O Ring Port Plug Outer Cover Screw Washer Outer Cover Attaching Screw QTY N N BR NO PE KF F N N 25150 Posi Stop LCB Liquid Cooled Brake Service Manual RECOMM
19. n port Shut off air at inlet to hold pressure on brake Brake should maintain pressure for 30 seconds without drop Apply 1500 50 00 PSI 10342 344 000 kPa hydraulic pressure using mineral oil to brake actuation port shut off pressure at inlet to hold pressure on brake Inspect to insure that pressure plate has moved against housing stop and that friction discs are released and free Maintain pressure for 30 seconds minimum without drop Repeat twice If brake will not maintain pressure tear down and determine cause of leak rebuild and retest 10 25150 Posi Stop LCB Liquid Cooled Brake Service Manual FASTENER TORQUE CHART STANDARD FASTENERS Lubricated and Plated Bolts CapScrews and Studs Grade 5 Grade 8 3 Radial Dashes On Bolt Head 6 Radial Dashes On Bolt Head LBF FT Nm LBF FT Nm METRIC FASTENERS Lubricated and Plated Bolts CapScrews and Studs Class 8 8 Class 10 9 Class 12 9 8 8 on Bolt Head 10 9 on Bolt Head 12 9 on Bolt Head LBF FT Nm LBF FT Nm LBF FT Nm 11 25150 Posi Stop LCB Liquid Cooled Brake Service Manual PLUG AND ELASTIC STOP NUT TORQUE CHARTS 5 16 24 O RING PLUGS P N LBF FT 3 8 24 7 16 20 1 2 20 9 16 18 3 4 16 7 8 14 1 1 16 12 1 3 16 12 1 5 16 12 1 5 8 12 1 7 8 12 1 16 27 PIPE PLUGS Size NPTF LBF FT
20. ring are approximately 1 8 of an inch from being flush with face of brake housing 9 Install first steel reaction plate in pressure ring 10 Install first friction disc and lining assembly in pressure ring and against first steel plate 11 Install second steel reaction plate 12 Install second friction disc aligning the four 4 oil grooves the second disc with the oil grooves in the first friction disc 13 Alternate steel plates and friction discs until five 5 plates and five 5 discs are installed First plate installed is steel and last disc installed is friction NOTE Always align friction disc oil grooves and careful alignment of friction disc teeth at this time will facilitate wheel hub spline alignment in discs at wheel hub assembly in brake 14 Install new square cut sealing in groove in brake housing 15 Position brake cover on brake housing aligning fluid hole marks on cover with holes in housing Refer to Posi Stop brake reassembly on page 21 16 Install cover to housing bolts and washers If there is a slight gap between cover and housing carefully and evenly tighten bolts to specified torque 17 Carefully and evenly loosen bolts in compression tool When bolts are away from compression cylinder remove spindle nut Remove compression tool and cylinder from spindle and brake 24 25150 Posi Stop LCB Liquid Cooled Brake Service Manual BRAKE SPRING COMPRESSION TOOL WELDMENT 553 0
21. s been relieved 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 6 After all spring force has been relieved from cover remove the 24 cover screws and washers Figure 7 Install 2 eye bolts to assist in handling the brake cover in opposite warning plate holes Figure 8 Remove brake cover 14 Discs Pressure Ring and Spring Removal Figure 9 Remove brake friction and reaction discs NOTE If discs are to be reused they need to be reinstalled in the exact order and direction in which they were removed i x k Figure 10 Remove brake piston pressure ring Figure 11 Remove brake springs NOTE Inner and outer springs are matched sets and must remain together As each set is removed it is recommended that they be wired together to prevent mixing sets 25150 Posi Stop LCB Liquid Cooled Brake Service Manual Figure 12 Remove brake cover seal ring Wear Indicator Pin Removal Figure 13 Tap out brake wear indicator pin T Figure 14 Remove brake wear indicator pin Brake Piston Removal Figure 15 Place brake cover on flat surface face down Install 3 screws and flat washers in the brake piston puller holes Brake cover is heavy and can cause injury and damage h Figure 16 Piston with puller screws
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