Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 4)

General Information
Introduction .....................................................................1
Model Identification .........................................................2
Parts Identification ..........................................................2
Failure Analysis ...............................................................4
Prepare the Parts for Inspection ......................................5
Inspection ........................................................................6
Endplay Procedure ...........................................................7
Check Input Shaft Endplay (Forward Axle) .......................7
Check Output Shaft Endplay (Forward Axle) ....................7
Differential Carrier Assembly - Parts................................8
Remove Differential Carrier - (Forward and Rear) ............9
Install Differential Carrier (Forward and Rear) ................10
IAD Differential Lock Disassembly .................................11
Inter-Axle Lockout .........................................................11
Power Divider - Parts Exploded View .............................12
Power Divider Disassembly -
Forward Carrier Assembly ...................................13-14
Pump Disassembly ........................................................15
Lube Manifold Disassembly ...........................................16
Manifold Assembly ........................................................17
Pump Assembly .............................................................18
Power Divider Assembly .......................................... 19-22
Carrier Disassembly -
Forward Carrier Assembly .................................. 23-24
Pinion Removal ........................................................ 25-26
Forward Axle Pinion Assembly -
Parts Exploded View .................................................27
Rear Axle Pinion Assembly -
Parts Exploded View .................................................27
Drive Pinion Overhaul and Assembly -
Forward and Rear Carrier Assembly ...................28-34
Wheel Differential - Parts Exploded View ...................... 35
Wheel Differential Disassembly -
Before July 2013
Forward Carrier Assembly ..................................36-37
Wheel Differential Assembly -
Forward Carrier Assembly ..................................38-40
Install Wheel Differential Assembly -
Forward Carrier Assembly .................................. 41-45
Wheel Differential Disassembly -
After July 2013
Forward Carrier Assembly ..................................46-47
Wheel Differential Assembly -
Forward Carrier Assembly ..................................48-50
Install Wheel Differential Assembly -
Forward Carrier Assembly .................................. 51-53
Adjust Tooth Contact Position ..................................54-55
Wheel Differential Lock - Parts Exploded View.............. 56
Install and Adjust Wheel Differential Lock ......................57
Housing and Output Shaft Assembly -
Parts Exploded View ................................................ 58
Remove Output Shaft Assembly ...............................59-60
Overhaul and Assemble Output Shaft Assembly ....... 61-62
Measure ....................................................................... 63
Replace Seal ................................................................. 64
Guidelines for Reusing Yoke .......................................... 65
Service Kit .................................................................... 66
Housing Breather ...........................................................67
Wheel End Seal - Parts Exploded View ......................... 68
Remove and Overhaul Wheel End Seal .......................... 69
Adjust Wheel Bearing............................................... 70-71
Verify Wheel Endplay Procedure ....................................72
Readjust Wheel Endplay Procedure ................................72
Lubricate Wheel End -
Wheel Ends with an Oil Fill Hole ................................73
Wheel Ends Without Oil Fill Hole ...............................74
General Lubrication Information -
Approved Lubricants .................................................75
Recommendations for Viscosity/Ambient
Temperature .............................................................75
Lube Change Intervals ...................................................76
Change Lube
Drain ....................................................................... 77
Fill ........................................................................... 77
Standpipes .............................................................. 78-79
Proper Vehicle Towing ................................................... 80
Power Divider Operation
(Power Flow and Torque Distribution) ................. 81-82
Operate Wheel Differential Assembly ............................ 83
Control Systems for Differential Lock ............................ 83
Direct Driver - Controlled System.................................. 84
Wheel Differential Lock ............................................85-86
Power Divider - Parts Exploded View .............................87
Forward Axle Pinion Assembly -
Parts Exploded View ................................................ 88
Rear Axle Pinion Assembly -
Parts Exploded View ................................................ 89
Wheel Differential -
Parts Exploded View ................................................ 90
Wheel Differential Lock -
Parts Exploded View .................................................91
Housing and Output Shaft Assembly -
Parts Exploded View ................................................ 92
Fastener Torque Specifications ..................................... 93