Gradall 534C-10 (9114-4437) Service Manual Manuel d'utilisateur

®534C-9534C-109114-4437July 2002534C-9 Starting S/N0444003 thru 0444189534C-10 Starting S/N0266107 thru 0266139®®SERVICE MANUALCORPORATE OFFICEJLG IND

Section 2Removal and Disassembly10Disassemble Pinion BearingCage1. If pinion bearing cage was not removed, holdyoke, flange or splined sleeve with app

Section 2Removal and Disassembly11CAUTIONDo not use pry bar to remove bearing cage fromcarrier. A pry bar can damage bearing cage,shims and main housi

12Section 2Removal and Disassembly10. If pinion bearings need to be replaced, removeinner bearing cone from drive pinion with pressor bearing puller.

13Section 3Prepare Parts for AssemblyClean Axle Assemblies• A complete axle assembly can be steam cleanedon the outside to remove dirt.• Before the ax

Section 3Prepare Parts for AssemblyInspect Tapered RollerBearingsInspect the cup, cone, rollers and cage of all taperedroller bearings in the assembly

Section 3Prepare Parts for Assembly• Damage on the cup and cone inner race surfacesthat touch the rollers.Figure 3.5.Inspect Hypoid Pinion and Ring G

Section 3Prepare Parts for Assembly16Inspect Main Housing• For fractures and burrs in machined areas.Inspect Yoke• For wear at seal journal area. Rep

17Section 3Prepare Parts for AssemblyLiquid AdhesiveMeritor uses the following liquid adhesives to retainthreaded fasteners:Product Type Color Cure Ti

18Section 3Prepare Parts for AssemblyApply Silicone Gasket Material Liquid gasket material used by Meritor:•Loctite FAG 3• Neutral Silicon, Dow Cornin

19Section 3Prepare Parts for AssemblyWARNINGTo avoid serious personal injury, trichloroethylenemust not come in contact with your skin. Do notsmoke an

20Section 3Prepare Parts for AssemblyNOTEDo not use any liquid that leaves a film of oil ordoes not evaporate quickly.3. Place installation tool (9)

10. Make sure both bores are correctly aligned andconcentric. Move slowly and carefully. Figure 3.19.CAUTIONDo not force rings abruptly against each

22Section 3Prepare Parts for Assembly•Warped ring can cause irregular pressure on ringsurface resulting in oscillating movements of oilseal.• Differen

Section 4Assembly and Installation23Assemble Differential CaseWARNINGTo prevent serious eye injury, always wear safeeye protection when you perform ve

Section 4Assembly and Installation24NOTEFor limited slip differential, go to step 12.7. Install spider cross, differential pinions andwashers on orig

d. Place disc pack stack in vise. Use micrometerto determine “D”, the height (thickness) oflimited slip disc stack (includes thrust washerand compres

26Section 4Assembly and Installationf. Place removed plain half side gear on top asshown in Figure 4.10. Use depth gauge todetermine “A”, distance fr

27Section 4Assembly and Installation2. Attach torque wrench to the tool nut and rotatedifferential gears. As differential rotates, readtorque value i

28Section 4Assembly and Installation9. Install outer bearing cone on pinion shaft againstspacer. Figure 4.16.NOTEDo not install pinion oil seal in be

2910. After getting specified preload, remove bearingcage from main housing and disassemble yoke orinput flange.CAUTIONMake sure oil seal lips are cl

30Section 4Assembly and Installation2. Record the pinion cone (PC) variation number onthe old drive pinion that is being replaced. If thePC variation

31Section 4Assembly and InstallationInstall Pinion Bearing CageAssembly on Main HousingNOTEUse minimum of three shims in pack. If pack ismade from dif

32Section 4Assembly and Installation5. If ring gear is mounted on opposite brake housingside, loosen two capscrews that fasten pinionbearing cage. Re

33Section 4Assembly and Installation7. Install differential case bearing adjusting nut onbrake housing. Figure 4.31.8. Install pinion bearing cage a

34Section 4Assembly and Installation9. Check backlash, differential preload and teethcontact. See Section 5, “Adjustments.”10. If all adjustments ar

35Section 4Assembly and Installation2. Install Duo-Cone oil seal into axle shaft and intoaxle shaft housing bore as specified on page 18.Figure 4.37.

36Section 4Assembly and Installation5. Install planetary spider and axle shaft bearingadjusting nut.6. Measure trumpet flange radius. With a springs

37Section 4Assembly and Installation8. Check trumpet assembly preload and subtractvalue obtained before tightening adjusting nut.Value must be 15-35

38Section 4Assembly and Installation6. Apply high torque liquid adhesive, Loctite 271 orThree Bond 1305, to capscrew threads. Installreturn springs a

39Section 4Assembly and Installation• If there are no leaks, proceed to Step 4.• If there are leaks, disassemble brake housingassembly, find and corre

40Section 4Assembly and Installation5. Install springs into bores in inner piston. Figure 4.55. For brake with 12 springs, jump onebore each three. F

41Section 4Assembly and InstallationWARNINGTo avoid serious personal injury, be careful whenusing Loctite. Follow the manufacturer’sinstructions for s

42Section 4Assembly and InstallationAssemble Ball and RampBrakes, Brake Discs, ReactionPlate and Pins 1. Install sun gear. Figure 4.63.NOTEAfter asse

43Section 4Assembly and Installation4. Install stationary disc lock pins.5. Install reaction plate with lubrication hole on downside of axle. 6. If

44Section 4Assembly and InstallationAssemble Ball and RampBrake Cylinder Assembly andInstall on Main Housing1. Apply liquid gasket material FAG-3 on

45Section 4Assembly and Installation2. While out of the axle, connect cylinder assemblyto hydraulic system. Apply 400 psi (27.6 bar)pressure to compr

46Section 4Assembly and Installation8. Install cover. Figure 4.75.9. The dimension “Y” must be equal with ± 0.02 inch(0.5 mm) on each side. If dimen

47Section 5AdjustmentsCheck Ring Gear RunoutSpecification: 0.008 inch(0.20 mm)WARNINGTo prevent serious eye injury, always wear safeeye protection whe

48Section 5Adjustments6. Loosen one bearing adjusting ring one notch,then tighten opposite ring the same amount tokeep differential roller bearing pre

49Section 5Adjustments3. Compare contact patterns on ring gear teeth togood contact patterns in Figure 5.7. If contactpatterns are not satisfactory, g

50Section 5AdjustmentsDeep Contact PatternA deep contact pattern indicates that the drive pinionwas installed too far in the carrier. Figure 5.11.• T

51Section 5AdjustmentsReplace Lubricant1. Install and tighten drain plug in central housing andbrake housing.2. Clean area around fill/level plug. Rem

52Section 6SpecificationsCAUTION• The operating temperature of the coolant mustnever reach or exceed 250°F (120°C). If theoperating temperature of the

53Ø 3.86 in.(Ø 98.0 mm)Ø 0.709 in.(Ø 18.0 mm)30°±10'0.079 in.(2.0 mm)Ø 0.547 in.(Ø 13.9 mm)13.8 15.55 in.(395.0 mm)THREAD: Ø 5/8" II UNC13.7

54Section 6Specifications42717181391268513191411151610PROA 352/382 (With Mechanical Drive Option)

55Section 6SpecificationsTorque Chart - PROA 352/382ITEM DESCRIPTION/THREAD TORQUE1 Pinion Nut - M24 x 1.5-6H 465-570 lb-ft (630-775 N•m)2 Nut (Stud

56Section 6Specifications5413613102812118792PRA 352 – Trumpet Variation No. 2

57Section 6SpecificationsTorque Chart - PRA 352ITEM DESCRIPTION/THREAD TORQUE1 Pinion Nut - M24 x 1.5-6H 465-570 lb-ft (630-775 N•m)2 Capscrew (Cente

58Section 6Specifications5201916211861151311104832171312141110972221714PROA 352 G2H, G2M

59Section 6SpecificationsTorque Chart - PROA 352, G2H, G2MITEM DESCRIPTION/THREAD TORQUE1 Pinion Nut - M24 x 1.5-6H 465.0-570 lb-ft (630-775 N•m)2 Ca

PowerWheel® Service ManualModel 8 Series BDouble ReductionWheel DrivesPHONE: (219) 925-3200 FAX: (219) 925-4725U.S.A.AUBURN, INDIANA 46706-3499

IDENTIFICATIONIMPORTANT: All Power Wheel units and kits are shipped with a name plate that includes the Auburn Gear part number and order code as show

ASSEMBLY OF POWER WHEELSTEP 1Press new bearing cups (7 & 10) in each side of the hub (9). It is recommended that bearingcups (7 & 10) and cone

STEP 18Assemble the thrust washer (22) with tangs engaged with cover (25). NOTE: A small amount ofgrease applied to the back side of thrust washer (22

ITEM DESCRIPTION * NO. USEDNO. IN ASS’Y.1 Coupling 12 Input Shaft 13 S

DonaldsonProper air cleaner servicing results in maximumengine protection against the ravages of dust.Proper servicing can also save time and moneyby

(1) Remove the old elementgently to prevent knockingdust off of it.2) Always cleanthe inside of thehousing carefully3) Always clean the gasketsealing

Open CenterHYDRAULICPOWER BRAKEVALVEMICO Incorporated1911 Lee Boulevard (Zip Code 56003-2507)P.O. Box 8118/North Mankato, MN U.S.A. 56002-8118Phone: (

TABLE OF CONTENTSSystem Schematic...

DESCRIPTION AND OPERATION OF THE MICO OPENCENTER HYDRAULIC POWER BRAKE VALVE The MICO Open Center BrakeValve will provide hydraulic powerbraking whe

is released. In drum brake systems,this low pressure aids in preventingair from entering the brakes whenthe vehicle is at rest. The residualvalve is

79.373.12536.321.4364.002.5232.001.2650.82.0719.05.7586.863.4243.431.7161.912.43136.125.35369.8714.5622.22.87538.101.50PRESSURE PORTFLOWTHRUPORTBRAKEP

THREE OPEN CENTER HYDRAULIC POWER BRAKE VALVE DESIGNSPRIMARY CUP DESIGN The Primary Cup Design uses aresidual valve. This valve will maintain apr

SPECIFICATIONS CHARTPartNumberBrakePortPressurePortFlow ThruPortReturnPortBrakeLine Pressure(with power)FlowCapacity* 06-460-5201/2-20 UNFSAE No. 10SA

OPEN CENTER HYDRAULIC BRAKE VALVEPRIMARY CUP DESIGN(Refer to Figure 10)Remove boot (item 1) andpressure regulating springassembly (item 2).CAUTION:Pre

ModelNumberRepairKit06-460-52006-460-52206-460-55006-460-56006-460-57006-460-58006-460-58806-460-61006-460-62006-460-65006-460-68006-460-68606-459-002

OPEN CENTER HYDRAULIC BRAKE VALVERING SEAL DESIGN(Refer to Figure 11)Remove boot (item 1) andpressure regulating springassembly (item 2).CAUTION: Pres

ModelNumberRepairKit06-460-65406-460-65606-460-65806-460-66006-460-66206-460-66406-460-66606-460-66806-460-67006-460-67206-460-67406-460-67606-460-678

OPEN CENTER HYDRAULIC BRAKE VALVESLIDING PISTON DESIGN(Refer to Figure 12)Remove boot (item 1) andpressure regulating springassembly (item 2).CAUTION:

ModelNumberRepairKit06-460-64206-460-68406-459-02006-459-020(13)FIGURE 12Items included in RepairKit 06-459-020

GENERAL SERVICE DIAGNOSISMake sure themachine is in a safeand controlled statebefore attemptingany servicingincluding bleedingthe brake system.With En

Refer to Figure 13. Install a smallBLEEDER BY-PASS LINE asshown. A 1/4” size line or hose issufficient.Start engine and allow enoughtime to pass for

MICO has made every attempt to present accurate information in catalogs, brochures andother printed material. MICO can accept no responsibility for e

®534C-9534C-109114-4468July 2002534C-9 Starting S/N0444003 thru 0444189534C-10 Starting S/N0266107 thru 0266139®®OWNER/OPERATOR MANUALCORPORATE OFFICE

These tests ensure that the Hydrostatic Material Drive System operates to the proper specifications. Alltests should be done in a safe, open area. App

This Manual provides important information for those responsible for understanding, troubleshooting, testing,repairing and/or performing maintenance o

expect from the other, and when to expect it.Be sure you understand all steps of the procedure before testing, adjusting or repairing any component or

Make sure that the machine is level before retracting all cylinders. Proper level is to full mark +/- 1/4 inch in thesight gauge located on the outsid

Reason for Hydraulic Filter Condition CheckDirty suction filters can restrict oil flow to the charge pump. This can lower control pressure which can a

Reason for Engine Speed CheckLow engine RPM can reduce control pressure. Control pressure determines machine speed. This condition can slowmachine spe

FIGURE 5BOTTOM OF FLOOR PLATE ASSEMBLY (CURRENT)III. Engine Speed (continued)Form No. 29633 3/974

FIGURE 6ACCELERATOR PEDAL ASSEMBLY (CURRENT)FIGURE 7ACCELERATOR PEDAL ASSEMBLY (CURRENT)(AUXILIARY VIEW)III. Engine Speed (continued)Form No. 29633 3/

Reason for Park Brake CheckPark brake wear can cause park brake failure and reduce braking effectiveness on a slope.With the park brake engaged, start

IV. Park Brake (continued)Form No. 29633 3/97 534C-9 & 534C-10 HYDROSTATIC DRIVE PERFORMANCE CHECKS MANUAL7FIGURE 8AFRONT AXLE A

IV. Park Brake (continued)Form No. 29633 3/978FIGURE 8CBOTTOM OF FLOOR PLATEASSEMBLY (CURRENT)A new front axle housing went into production starting 5

IV. Park Brake (continued)Form No. 29633 3/97 534C-9 & 534C-10 HYDROSTATIC DRIVE PERFORMANCE CHECKS MANUAL9FIGURE 8DFRONT AXLE A

Reason for Charge Pressure CheckTo ensure proper park brake operation, charge pressure needs to be at proper specification. Since temperaturecan affec

Form No. 29633 3/97 534C-9 & 534C-10 HYDROSTATIC DRIVE PERFORMANCE CHECKS MANUAL11V. Charge Pressure (continued)FIGURE 9CHARG

V. Charge Pressure (continued)Form No. 29633 3/9712FIGURE 11REAR DRIVE MOTOR ASSEMBLIES (MOUNTED)FIGURE 11AFRONT DRIVE MOTOR (SIDE VIEW)FIGURE 12MAIN

Reason for Control Pressure CheckTo ensure control pressure is correct for proper machine speed. For the machine to move at proper engine speed,contro

FIGURE 14MAIN PUMP ASSEMBLY (TOP VIEW)VI. Control Pressure (continued)Form No. 29633 3/9714

Reason for Inching CheckLoss of control pressure can affect machine speed.A low pressure gauge (1,000 PSI), hose, # 6 run tee and adapter should be te

VII. Inching (continued)16Form No. 29633 3/97FIGURE 16FLOOR PLATE ASSEMBLYFIGURE 17

TABLE OF CONTENTSIMPORTANT SAFETY NOTICE ... inside front coverTABLE OF CONTENTSINTRODUCTION ...

Definition: The point at which the front motor begins to stroke toward minimum displacement.Reason for Front Motor Begin Point CheckWithout proper adj

Form No. 29633 3/97VIII. Front Motor Begin Point (continued)18FIGURE 19FRONT DRIVE MOTOR (SIDE VIEW)For our application, this drive motor is utilized

Reason for Drive Pump Pressure CheckDrive pump pressure determines the drive power of the machine. Low drive pressure will result in less power.Instal

FIGURE 20AMAIN PUMP ASSEMBLY (TOP VIEW)FIGURE 21TRACTION LOCK VALVEIX. Drive Pump Pressure (continued)Form No. 29633 3/9720FIGURE 22TRACTION LOCK VALV

Reason for Machine Operation CheckTo ensure that the traction lock valve is operating correctly. Also to check for proper operation of the 2WD/4WDsole

WARNINGA WARNING indicates a procedure that youmust follow exactly to avoid serious personalinjury.CAUTIONA CAUTION indicates a procedure that you mus

IPRA 352 – Trumpet Variation No. 147

IIPRA 352 – Trumpet Variation No. 1Item Description1 Central Housing2 Level Plug3 Drain Plug4 Vent Plug5 Hydraulic Line Bleeder6 Cover7 Capscrew8 Diff

III351110122984373421011131415167666968717071693231303334383941383965737372646362605958615957565548494650525147535444454342403839413821201926161718242

IVItem Description1 Center Housing2 Differential Case Assembly3 Side Gear4 Side Gear Thrust Washer5 Pinion Gear6 Pinion Gear Thrust Washer7 Spider Dif

VPRA 353/383686765666462828180838160636169717273707574 77785879595737395352515055895456484745444943 42414037383636858486878889201314191826151617272823

VIPRA 353/383Item Description1 Center Housing2 Differential Case3 Side Gear4 Thrust Washer5 Pinion Gear6 Thrust Washer7 Differential Pinion Shaft8 Pin

VIIPROA 352/382 (With Mechanical Drive Option)17476772686964878889929190100707148731999795966510412118972930334039383734353628588577848665666061626383

VIIIPROA 352/382 (With Mechanical Drive Option)Item Description1 Main Housing2 Bushing3 Trunnion Oil Seal4 Differential Case Assembly5 Differential Ca

IXPROA 352/382

XPROA 352/382Item Description1 Center Housing2 Bushing3 Trunnion Oil Seal4 Lubrication Fitting5 Level Plug6 Drain Plug7 Vent Plug8 Hydraulic Line Blee

Table of ContentsSection 1: IntroductionDescription...

Table of ContentsAssemble Hydraulic Apply Brake Housing Assembly ...38H

1Section 1IntroductionDescriptionThe Meritor PRA 352 Series Planetary Axle is adouble reduction single speed unit that has:• A hypoid or spiral pinio

2Section 2Removal and DisassemblyRemove AxleWARNINGTo prevent serious eye injury, always wear safeeye protection when you perform vehiclemaintenance o

Section 2Removal and DisassemblyCAUTIONLoosen and remove brake cylinder capscrewsalternately to avoid spring load damage to parts.5. Disassemble brake

4Section 2Removal and Disassembly4. Remove pinion gear flange. Lift it throughplanetary gear pins.5. Remove axle shaft assembly and cone bearing.If ne

5Section 2Removal and DisassemblyDisassemble Hydraulic ApplyWet Disc Brake1. Remove piston return spring capscrews.2. Remove return springs.3. Remove

6Section 2Removal and DisassemblyWARNING• Use a special tool or press to compress thebrake assembly to avoid serious personalinjury from the spring p

7Section 2Removal and Disassembly8. Use sand paper on piston surfaces if they havenicks or hits. Figure 2.17.Disassemble Main Housing1. Remove adjusti

8Section 2Removal and DisassemblyDisassemble Differential Case1. Before disassembling differential case, markposition of both halves and spider cross

Section 2Removal and Disassembly6. If necessary, separate ring gear from differentialcase. Remove capscrews and washers thatfasten ring gear. With bra