Spicer Convertible Tandem Axles - Manual (Page 5)

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Table of Contents
Table of Contents
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General Information
Important Notice . . . . . . . . . . . . . . . . . . . . . i
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Introduction
Model Listing . . . . . . . . . . . . . . . . . . . . . . . . 1
Model Information . . . . . . . . . . . . . . . . . . . . 1
Model Identification . . . . . . . . . . . . . . . . . . . 2
Parts Identification . . . . . . . . . . . . . . . . . . . . 2
Axle Housing . . . . . . . . . . . . . . . . . . . . . . . . 2
Axle Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ring Gear and Pinion . . . . . . . . . . . . . . . . . 3
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Inspection
Failure Analysis . . . . . . . . . . . . . . . . . . . . . . 5
How to Diagnose a Failure . . . . . . . . . . . . . 5
Document the Problem . . . . . . . . . . . . . . . . 5
Make a Preliminary Investigation. . . . . . . . . 6
Prepare the Parts for Inspection . . . . . . . . . 6
Find the Cause of the Failure . . . . . . . . . . . 6
Correct the Cause of the Problem . . . . . . . . 6
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Inspect Axle Housing . . . . . . . . . . . . . . . . . . 6
Inspect Components . . . . . . . . . . . . . . . . . . 7
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Differential Carrier Assembly
Exploded Parts View . . . . . . . . . . . . . . . . . . 9
Remove Differential Carrier . . . . . . . . . . . . .10
Standard Differentials . . . . . . . . . . . . . . . . .10
Install Differential Carrier . . . . . . . . . . . . . .10
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Drive Pinion Assembly
Parts Exploded View . . . . . . . . . . . . . . . . . .11
Pinion Removal . . . . . . . . . . . . . . . . . . . . . .12
Drive Pinion Overhaul and Assembly . . . . .14
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Wheel Differential Assembly
Exploded Parts View . . . . . . . . . . . . . . . . . .19
Remove Wheel Differential Carrier
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Disassembly (All Standard Models) . . . . . .20
Forward Carrier Disassembly . . . . . . . . . . .22
Forward Carrier Assembly . . . . . . . . . . . . .23
Set Backlash and Bearing Preload . . . . . . .25
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Adjust Tooth Contact Position
Adjust Ring and Pinion Tooth Contact
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Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
New Gearing - Correct Pattern . . . . . . . . . 31
Used Gearing - Correct Pattern . . . . . . . . . 31
Adjust Contact Pattern . . . . . . . . . . . . . . . 31
Adjust Ring Gear Position (Backlash) . . . . 32
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Wheel Differential Lock
Parts Exploded View . . . . . . . . . . . . . . . . . 33
Install and Adjust Wheel Differential Lock . 34
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Housing Assembly Forward
Parts Exploded View . . . . . . . . . . . . . . . . . 35
Bowl Tag Housing Assembly . . . . . . . . . . . 36
Parts Exploded View . . . . . . . . . . . . . . . . . 36
Install Bowl Tag Housing Cover . . . . . . . . 37
Axle Assembly Procedure . . . . . . . . . . . . . 37
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Bowl Tag Axle Conversion Process
Axle Disassembly Procedure . . . . . . . . . . 39
Axle Assembly Procedure . . . . . . . . . . . . . 39
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Housing Breather . . . . . . . . . . . . . . . . . . . . 41
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Wheel End Seal
Parts Exploded View . . . . . . . . . . . . . . . . . 43
Remove and Overhaul Wheel End Seal . . 44
Install Wheel End Seal . . . . . . . . . . . . . . . . 44
Adjust Wheel Bearing . . . . . . . . . . . . . . . . 44
Three-piece Dowel-type Lock
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Washer System . . . . . . . . . . . . . . . . . . . . . 45
Three-piece Tang-type Lock
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Washer System . . . . . . . . . . . . . . . . . . . . . 45
Four-piece Tang/Dowel-type
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Lock Washer System . . . . . . . . . . . . . . . . 46
Replace Seal . . . . . . . . . . . . . . . . . . . . . . . 46
Guidelines for Reusing Yoke . . . . . . . . . . . 47
Verify Wheel Endplay Procedure . . . . . . . . 48
Readjust Wheel Endplay Procedure . . . . . 48
Lubricate Wheel End . . . . . . . . . . . . . . . . . 49
Wheel Ends with an Oil Fill Hole . . . . . . . . 49
Wheel Ends Without Oil Fill Hole . . . . . . . . 50
Service Kit . . . . . . . . . . . . . . . . . . . . . . . . . 51
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