Spicer Drive Axles Service Manual Single Axles 2-Speed &a Manual de usuario Pagina 1

Service Manual2-SpeedDouble ReductionAXSM0040July 1995Spicer® Drive Axles

CleaningProper cleaning requires completedisassembly.The differential carrier assembly may besteam cleaned only while mounted inhousing provided all

Differential Carrier Assembly Removal(Follow procedure in numerical sequence.)5. 2-Speed Axle Only - Disconnect shiftunit air lines or electrical wire

Disassemble Differential Carrier (cont'd)2. Remove shift fork seal and spring.Remove expansion plugs, then working atthe lower (or small) plug h

Disassemble Differential Carrier (cont'd)5. Remove bearing cups. Using a chainhoist lift ring gear and differential assemblyout of carrier.CAUTIO

Disassemble Drive Pinion (cont'd)2. Support cage and press pinion out ofbearing cage.IOUTERBEARINGPress„IICUPREMOVALIllÍ4. On Early Axle Series 2

Disassemble Wheel Differential1. Remove nuts and bolts fastening ringgear and support cases.2. Remove small support case and thrustwasher.3. Remove ri

Disassemble Wheel Differential (cont'd)5. Remove thrust washer from largesupport case.LIdlerIDLER PIN7. Punch mark differential cases for correct

Disassemble Wheel Differential (CO~tJ~)10. First, try to lift off high-speed clutchplate by hand. If it cannot be removedeasily, press off plate as fo

Assemble Wheel DifferentialNOTE: Lubricate internal parts with gearlube during reassembly.1. Press bearing cones on support cases(see illustration).CA

Assemble Wheel Differential (contJd)3. Place thrust washer and side gear indifferential case (with pins).4. Assemble side pinions and thrustwashers on

The description, testing procedures, andspecifications contained in this servicepublication were current at the time of printing.Dana reserves the rig

Assemble Wheel Differential (cent'd)9. During installation of ring gear,temporarily use two bolts in mountingholes to assure bolt hole alignment

Assemble Drive PinionNOTE: Lubricate parts with gear lubeduring reassembly. When installing bearingcones and pilot bearing, use properly-sizedsleeves

Pinion Bearing Preload Adjustment(Trial Build-Up Test).The pinion bearing spacer thickness controlsbearing preload. The spacer size forcorrect preload

Tria/ Buiki-Up Test (cont'd)CAUTION: Use the correctly sizedspacer. Do not use shim stock or grindspacers. These practices can lead to loss ofbea

Final Pinion Bearing Preload Test(cont'd)2. Measure Pinion Bearing Preload - Use aspring scale to test the assembly rollingtorque. To use the spr

Install Drive Pinion1. Place shim pack on carrier.NOTE: If gear is to be reused, install samequantity and size of shims removed duringdisassembly. Whe

Adjust Differential Bearing PreloadCorrect differential bearing preload insuresproper location of these bearings underload and helps position the ring

Adjust Ring Gear BacklashIMPORTANT: Check backlash asbelow and adjust if necessary.described1. Measure backlash with a dial indicator.The indicator sh

Adjust Ring Gear Tooth ContactAfter differential bearing preload and gearbacklash adjustment is complete, checkgear tooth contact pattern and adjust i

Adjust Ring Gear Tooth Contact (cont)d)Adjust Pinion PositionIf the contact pattern shows incorrect tooth depth contact, change drive pinion position

Section 1: General InformationAxle Identification Axle Specification Number Parts Nomenclature Ring Gear and Pinion Identification Section 2: Periodic

Adjust Ring Gear Tooth Contact (cont'd)When preload, backlash, and tooth contactbearing cap screws to correctare correct, align diffe

Install Differential Carrier AssemblyNOTE: Before installing carrier assembly,inspect and thoroughly clean interior ofaxle housing.NOTE: Use silicone

Fastener Torque SpecificationsEarlyLateThreadFastenerAxle SeriesAxle ModelsSizeGradeIbs.-ft.N.mDifferential Case15-1615040T/P-19050T/P7/16-14860-708

All applications must be approved by the Application Engineering Department. Specifications and/or design are subject to change without notice or obli

PARTS IDENTIFICATION/NOMENCLATUREThe service procedures and specifications in this publication cover the Spicer Axleslisted in the charts below.For Sp

PARTS lDENTIFICATION/NOMENCLATURERing Gear and Pinion IdentificationRing Gear and Drive Pinion are matchedparts and must be replaced in sets.Check

LubricationThe ability of a drive axle to deliverquiet, trouble-free operation over amost satisfactory results can beperiod of years is largely depend

Lube Change IntervalsLubrication Change Internals -General: The initial lubricantchange is one of the mostimportant factors in axle com-ponent li

Wheel End LubricationIMPORTANT: In cases where wheelequipment is being installed, either new orafter maintenance activity, the lube cavitiesare empty.

Wheel Bearing AdjustmentWheel bearings should be adjusted atregular intervals using the followingprocedure:PREPARATION: Provide means to capturelubric