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Summary of Contents for DANA 53R-300
- Page 1 Allied Systems Form #80-790...
- Page 2 FOREWORD This manual has been prepared to provide the customer and the maintenance personnel with information and instructions on the maintenance and repair of the Spicer Off Highway Products. Extreme care has been exercised in the design and selection of materials and manufacturing of these units.
- Page 3 Table of Contents Forward and Caution Table of Contents Chapter 1 - Wheel Hub Hub Disassembly Hub Reassembly Hub Installation Bearing Preload Planetary Installation Chapter 2 - 13150 & 16150 Posi-Stop Brake Technical Description Brake – Exploded View Part Identification Brake –...
- Page 4 Chapter 4 - 24200 & 26200 (LCB) Liquid Cooled Brake Recommended Actuation and Cooling Fluids Brake Disassembly Brake Reassembly Hydraulic Pressure Test Chapter 5 - 25150 Posi-Stop Brake Disassembly and Reassembly Cleaning and Inspection Spring Compression Tool Drawing Piston Removal and Installation Tool Drawings Chapter 6 –...
- Page 5 CHAPTER 1 HUB DISASSEMBLY Remove drain/fill plug, drain fluid as required. Remove capscrews. Tighten pusher screws to separate flange from Insert hook or other secure lifting device into planet housing. flange. Carefully remove planet assembly. Remove 0-ring from planet.
- Page 6 Pull axle shaft out until sun gear extends past Remove sun gear. housing. Remove axle shaft. Remove lock plate bolts. Remove lock plate. Support wheel end with adjustable stand. Carefully slide internal gear out of hub as shown. Remove spindle nut.
- Page 7 Carefully insert hook into one of the internal gear Inspect the internal hub bearings. Replace as hub holes as shown. Insure hook is secure in required. See bearing heating and freezing hub. page for installation tips. Remove wheel assembly using hoist and lifting Install a secure lifting device on the wheel.
- Page 8 Remove hub seal and bearing. Inspect bearing Remove face seal from brake housing. cone and cup. Replace as required. Hub Reaasembly See sub-assembly section for plantary disassembly and reassembly. Clean, inspect and replace components as required. Lubricate hub bearing and cup. Install bearing.
- Page 9 Install hub seal using proper driver. Install face seal on installation tool. Position seal for installation. Lubricate seal and seal water before bore with denatured alcohol or soapy Carefully install install face seal. installation. DO NOT USE OIL!! NOTE! It will be necessary to release the brake apply springs before installing the wheel assembly or setting bearing preload.
- Page 10 Apply 1500 psi [103 bar] hydraulic pressure using equipment with the proper pressure rating Align brake plate teeth. for the task. Lubricate the seal faces with clean oil. Remove any dirt or contaminants from seal NOTE: Excessive amounts of oil may give the impression of a seal leak after unit is put into faces.
- Page 11 Work hub fully onto spindle and through brake plates. See arrow for reference. NOTE: Support hub with stand while installing Carefully work hub splines into brake plate teeth. internal gear hub. Install internal gear hub in wheel assembly. Lubricate internal hub bearing with oil and rotate several times.
- Page 12 Lubricate spindle threads with anti-seize. Apply anti-seize to the spindle nut contact face and install. Bearing Preload Note: It is imperative that the hubs be rotated during the bearing tightening and pre-loading process to insure the bearings are not damaged and accurate readings are obtained.
- Page 13 Rolling torque can be measured using a strap and scale as shown or by using a torque wrench and adapter bar which spans the diameter of the hub, attaching to the planetary bolt holes. Shock hub as described in preload procedure. Attach scale and measure rolling torque as Install lock plate and align holes as described.
- Page 14 Lubricate o-ring with grease, install in planet Slide assembly into differential splines. housing o-ring groove Install planetary assembly on sun gear. Do not Align scallops in planetary assembly and hub allow axle shaft to support weight of planetary as shown by arrows, mate the two assembly.
- Page 15 Install fill/drain plug. Tighten to 30-35 lbf/ft [41-47 Nm]...
- Page 64 Chapter 5 25150 Posi-Stop Brakes Disassembly and reassembly of the Series I I liquid cooled, spring applied hydraulic released brake assembly. Warning: Do not make any attempt any repairs he brake until this text is completely read, understood and all safety precautions complied to. 1.
- Page 65 11. Remove spindle nut and two (2) piece compression tool. 12. Remove piston pressure ring. See note in Fig. 13. Note: Inner and outer springs are matched and must remain together as a set. As each spring set is removed, wire the inner and outer springs together so they do not get mixed up with the other springs while cleaning and inspecting.
- Page 66 the tangs on the pressure ring are approximately 1/8” (.125 in)/[3mm] from being flush with the face of the brake housing. 23. Install first steel reaction plate in pressure ring. 24. Install first friction disc in pressure plate. 25. Install second reaction disc. 26.
- Page 67 Note: If brake bleeder screw is in brake housing, open brake bleeder screw to allow air to escape from behind piston during cover installation. 31. 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. (See torque chart) 32.
- Page 68 Cleaning and Inspection Cleaning Clean all parts thoroughly using solvent type cleaning fluid. Blow parts dry with compressed air to insure solvent residue and any foreign materials are removed. Inspection The importance of careful and thorough inspection of all parts cannot be overstressed.
- Page 71 Wheel Bearing Adjusting Procedure 1. Before wheel bearing adjustment is made it is imperative all tapered bearing cones and cups be pressed to fully seated position. Do not attempt to seat cups and cones by tightening spindle nut against internal gear hub as this is not an effective method of seating the components and damage may occur.
- Page 72 Note: Posi-Stop brake release pressure must be the pressure specified for the particular brake being used or inaccurate rolling torque readings can result. Adjustment Chart Brake Type Bearing Preload 30-80 lbf/ft [41-108 Nm] Over No Load LCB/Posi-Stop None - Drum 20-40 lbf/ft [27-54 Nm] Over No Load Dry Disc...
- Page 73 SPICER OFF-HIGHWAY PRODUCTS DIVISION No. 279 Mo – Yr 10/01 RECOMMENDED LUBRICANTS FOR SPICER DRIVE AXLES 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-1 or MIL-PRF2105E qualifications.
- Page 74 - Use only solvent and compressed air Tighten new bolts in a circular pattern to 2508-2712 Nm [1850-2000 LBF/FT]. NOTE: Threads must be clean and dry. DANA HOLDING CORPORATION, 139 E BROAD ST, STATESVILLE, NC 28677 Ph (704) 878-5850, Fax (704) 878-5633...
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