Spicer Drive Axles Service Manual Wheel Reduction Drive Axles (EA-50) - Manual (Page 3)

Contents
Spicer Wheel Reduction Axle ServIce and Maintenance Instructions ....................................................... .... 2
Axle and Carrier Assembly Model Identification .............................................................................................. 2
Axle Specification Number .............................................................................................................................. 2
Spicer Wheel Reduction Drive Axles ............................................................................................................ .... 3
Description and Operation ............................................................................................................................... 3
Power Flow and Torque Distribution ................................................................................................................ 3
Wheel Reduction Hub Assembly ................................................................................................................... .... 4
Part Nomenclature ........................................................................................................................................... 4
Torque Specifications ...................................................................................................................................... 5
Lubrication ....................................................................................................................................................... .... 6
Approved Lubricants ........................................................................................................................................ 6
General ..................................................................................................................................................... 6
Synthetic Based ........................................................................................................................................ 6
Lube Sampling and Condition Monitoring ................................................................................................. 6
Make-upLube ............................................................................................................................................ 6
Viscosity/Ambient Temperature Recommendations .................................................................................. 6
Lube Change intervals - Axle Housing ............................................................................................................ 7
General ..................................................................................................................................................... 7
Drive Pinion ............................................................................................................................................... 7
Changing Difterential Lubrication .................................................................................................................... 8
Draining ..................................................................................................................................................... 8
Filling ......................................................................................................................................................... 8
Changing Wheel Hub Lubrication .................................................................................................................... 9
Draining ..................................................................................................................................................... 9
Filling ......................................................................................................................................................... 9
Cleaning, Inspection, Replacement ................................................................................................................. 10
Cleaning ........................................................................................................................................................ 10
Inspection ...................................................................................................................................................... 10
Repair and Replacement ............................................................................................................................... 11
Adjustments .................................................................................................................................................. .... 12
Wheel Bearing Adjustment ............................................................................................................................ 12
Wheel Differential Lock (Optional Equipment) ........................................................................................... .... 13
Removal ........................................................................................................................................................ 13
Air Pressure Engagement ....................................................................................................................... 13
Manual Engagement ............................................................................................................................... 13
Assembling .................................................................................................................................................... 14
Drive Pinion Oil Seal ...................................................................................................................................... 15
Removal .................................................................................................................................................. 15
Installation ............................................................................................................................................... 15
Wheel Hub ..................................................................................................................................................... .... 16
Removal ........................................................................................................................................................ 16
Wheel Hub Components Disassembly ....................................................................................................... .... 18
Sun Gear and Axle Shaft ............................................................................................................................... 18
Planetary Carrier ........................................................................................................................................... 18
Ring Gear and Mount .................................................................................................................................... 19
WheelHub ...................................................................................................................................................... 19
Wheel Hub Components Assembly ............................................................................................................ .... 20
Wheel Hub ..................................................................................................................................................... 20
Ring Gear and Mount .................................................................................................................................... 20
Planetary Carrier ........................................................................................................................................... 21
Sun Gear and Axle Shaft ............................................................................................................................... 22
Wheel Hub Installation................................................................................................................................... 22
Head/Model Cross Reference Chart ............................................................................................................. 24
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