Gradall 544D (9136-4003) Service Manual User Manual Page 132
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WARNING
A WARNING indicates a procedure that you
must follow exactly to avoid serious personal
injury.
CAUTION
A CAUTION indicates a procedure that you
must follow exactly to avoid damaging equip-
ment or components. Serious personal injury
can also occur.
NOTE: A NOTE indicates an operation, procedure
or instruction that is important for proper ser-
vice. A NOTE can also supply information that
can help to make service quicker and easier.
This symbol indicates that fasteners must be
tightened to a specific torque value.
This publication provides maintenance and service procedures for Meritor PRA 352 series planetary axles.
The information contained in this publication was current at the time of printing and is subject to revision
without notice or liability.
1. You must understand all procedures and instructions before you begin maintenance and service
procedures.
2. You must follow your company’s maintenance and service guidelines.
3. You must use special tools, when required, to avoid serious personal injury and damage to components.
Meritor uses the following notations to alert the user of possible safety issues and to provide information
that will help to prevent damage to equipment and components.
Service Notes
Visit Our Web Site
Visit the Technical Library section of
www.meritorauto.com for additional product and
service information on Meritor’s Heavy Vehicle
Systems component lineup.
Drivetrain Plus™ Technical
Electronic Library (TEL) on CD
The CD includes product and service information
on Meritor’s Drivetrain Plus™ component lineup.
$20. Order TP-9853.
How to Order
Call Meritor’s Customer Service Center at
800-535-5560.
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T
- SERVICE MANUAL 1
- 544D MATERIAL HANDLER 5
- OWNER/OPERATOR MANUAL 5
- IMPORTANT SAFETY NOTICE 6
- OTHER NOTICES 6
- REVISIONS 7
- TABLE OF CONTENTS 8
- SAFETY HIGHLIGHTS 10
- Standard Shut-Down Procedure 11
- Pinch Points 11
- INSIDE THE CAB 12
- TRACTION LOCK SWITCH 13
- ENGINE OIL 14
- STAY CLEAR OF MOVING PARTS 15
- WHILE ENGINE IS RUNNING 15
- MOVING PARTS CAN CAUSE 15
- SERIOUS INJURY 15
- OUTSIDE THE CAB 16
- ATTACH LANYARD HERE 17
- OPERATOR’S CAB 18
- Form No. 20220 19
- ENGINE OPERATION 23
- Normal Engine Operation 24
- Stopping the Engine 24
- BRAKE SYSTEM 25
- STEERING SYSTEM 26
- PARKING THE HANDLER 26
- DRIVE TRAIN 27
- Always move boom to carry 28
- TILT FRAME 29
- TO RIGHT 29
- Hydraulic Controls 30
- Feathering 30
- Boom Control Joystick 30
- Carriage Tilt Controls 30
- Some attachments may not be 32
- How to read a Capacity Chart 32
- STABILIZERS DOWN 33
- ATTACHMENTS 34
- Attachment Installation 35
- Attachment Operation 35
- Fork Positioner 36
- Light Material Bucket 36
- Swing Forks 37
- Slope Piler Carriage 38
- Boom Head-Mounted Winch 39
- A side load or a swinging 40
- Swing Mast 41
- Personnel Work Platform 42
- Figure 15-1 44
- Figure 15-2 44
- MOVING HANDLER IN EMERGENCY 45
- SECTION A A 46
- MAINTENANCE 49
- FAILURE TO USE GRADALL 50
- HYDRAULIC FILTER ELEMENTS 50
- COULD VOID WARRANTY 50
- TORQUE CHART 52
- STABILIZER 53
- Date Hourmeter Comments 54
- HAND SIGNALS 55
- CALIFORNIA 56
- SECTION I 61
- SECTION II 62
- DESCRIPTION 62
- SECTION III 64
- PARTS ORDERING INFORMATION 66
- OUTLET COVERS 67
- WORK SECTIONS 68
- RELIEF VALVES 69
- SECTION IV 70
- PARTS LISTING 70
- MANUAL POSITIONER 79
- 3-POSITION DETENT POSITIONER 80
- FLOAT POSITIONER 85
- ROTARY DETENT POSITIONER 87
- SPOOL SEAL RETAINER 89
- SPOOL PROTECTIVE BOOT 89
- TORQUE NR PLUG 90
- TO 20 FT-LBS 90
- No Relief (NR) Plug 90
- TORQUE RELIEF 91
- CARTRIDGE TO 91
- 20 FT. LBS [27 Nm] 91
- VALVE ASSEMBLY TO 94
- 18-22 FT.-LBS 94
- [24-30 Nm] 94
- TORQUE CHECK 98
- ASSEMBLY TO 98
- 18-22 FT. LBS 98
- Service Notes 132
- Item Description 134
- PRA 353/383 137
- PROA 352/382 141
- Table of Contents 143
- P R O A 3 5 2 G 2 M 145
- Section 2 146
- Removal and Disassembly 146
- Section 3 157
- Prepare Parts for Assembly 157
- Section 4 167
- Assembly and Installation 167
- Section 5 191
- Adjustments 191
- Section 6 196
- Specifications 196
- Nut Lock 197
- Special Tool 197
- Torque Chart - PROA 352/382 199
- Torque Chart - PRA 352 201
- PROA 352 G2H, G2M 202
- MANUALE DI RIPARAZIONE 205
- REPAIR MANUAL 205
- Rif. CA144840 205
- Mod. 28.46M 206
- A GENERAL INFORMATION 208
- A INFORMAZIONI GENERALI 208
- A.1 Manual use 209
- A.1 Utilizzo del manuale 209
- A.2 Information property 210
- Carraro Spa 210
- A.3 Convenzioni e definizioni 211
- PAG.5 212
- A.4 General description 213
- A.4 Indicazioni generali 213
- A.5 Recommendations 214
- A.5 Indicazioni generali 214
- PAG.8 215
- B SAFETY INSTRUCTIONS 216
- B INFORMAZIONI SULLA 216
- B.1 General safety 217
- B.2 Safety symbols 218
- B.2 Simboli di sicurezza 218
- B.3 General precautions 219
- B.3 Precauzioni generali 219
- Residual risk elimination 220
- C GENERAL SPECIFICATIONS 221
- C CARATTERISTICHE GENERALI 221
- C.1 Foreseen uses 222
- C.2 Product identification 222
- C.1 Usi previsti 222
- C.3 General description 223
- C.3 Descrizione generale 223
- C.4 Technical Features 224
- C.4 Caratteristiche Tecniche 224
- PAG.18 225
- PAG.19 226
- PAG.20 227
- PAG.21 228
- C.5 Oil change and checks 229
- C.5 Cambio olio e verifiche 229
- PAG.23 230
- PAG.24 231
- Primo Intervento 232
- Ad ogni stagione od 232
- PAG.26 233
- PAG.27 234
- D DISASSEMBLY AND ASSEMBLY 235
- D OPERAZIONI DI MONTAGGIO E 235
- D.1 Flange group 236
- D.1 Gruppo flangia 236
- D.1.2 Assembly 237
- D.1.2 Montaggio 237
- PAG.31 238
- D.2.1 Disassembly 239
- D.2.1 Smontaggio 239
- PAG.33 240
- D.2.2 Assembly 241
- D.2.2 Montaggio 241
- PAG.35 242
- D.3 Gruppo mozzo ruota 243
- D.3 Wheel hub group 243
- PAG.37 244
- PAG.38 245
- D.3.2 Assembly 246
- D.3.2 Montaggio 246
- PAG.40 247
- D.4 Axle beam trumpets group 248
- D.4 Gruppo trombe trave 248
- PAG.42 249
- D.4.2 Assembly 250
- D.4.2 Montaggio 250
- PAG.44 251
- PAG.45 252
- D.5.1 Disassembly 253
- D.5.1 Smontaggio 253
- PAG.47 254
- PAG.48 255
- PAG.49 256
- D.5.2 Assembly 257
- D.5.2 Montaggio 257
- PAG.51 258
- PAG.52 259
- PAG.53 260
- PAG.54 261
- PAG.55 262
- PAG.56 263
- PAG.57 264
- PAG.58 265
- PAG.59 266
- D.6 Differential group 267
- D.6 Gruppo differenziale 267
- PAG.61 268
- D.6.2 Assembly 269
- D.6.2 Montaggio 269
- PAG.63 270
- D.7 Pinion group 271
- D.7 Gruppo pignone 271
- PAG.65 272
- D.7.2 Assembly 273
- D.7.2 Montaggio 273
- PAG.67 274
- PAG.68 275
- PAG.69 276
- D.8 Parking brakes release 277
- PAG.71 278
- D.10 Testing after assembly 279
- D.10 Prove dopo montaggio 279
- E TROUBLESHOOTING 280
- E RICERCA GUASTI 280
- PROBLEMA 281
- PROBLEMS 281
- PAG.75 282
- RICERCA GUASTI 283
- Mod. 28.46M TROUBLESHOOTING 283
- E.1 PAG.76 283
- E.1 PAG.77 284
- E.1 Troubleshooting 285
- E.1 PAG.79 286
- E.2 PAG.80 287
- E.2 PAG.81 288
- F SPECIAL TOOLS 289
- F ATTREZZATURE SPECIALI 289
- F.1 Special tools 290
- F.1 Attrezzature speciali 290
- PAG.84 291
- PowerWheel® Service Manual 293
- Model 8 Series B 293
- Double Reduction 293
- Wheel Drives 293
- AuburnGear 294
- ASSEMBLY OF POWER WHEEL 295
- IN ASS’Y 297
- INTRODUCTION 301
- S FETY 302
- NOMENCLATURE 303
- BOOM ASSEMBLY: OVERVIEW 304
- HYDRAULICS 305
- BOOM-SECTION 4: 305
- BOOM WEAR PAD ADJUSTMENTS 306
- ADJUSTING BOTTOM BEARING PADS 307
- ADJUSTING TOP BEARING PADS 307
- BOOM-SECTION 4 WEAR PADS 308
- SECTION WEAR PADS 309
- SECTION 2 WEAR PADS 310
- SECTION 1 WEAR PADS 311
- OOM-EXTEND AND RETRACT CHAINS 312
- CHAIN COMPONENTS 313
- ADJUSTIN6 EXTEND CHAINS 314
- BOOM HEAD 314
- (BOOM FULLY RETRACTED): 314
- SHOWING RETRACT 314
- CHAIN CHECKS 314
- ETREAT CHAIN 316
- EATRET CHAIN 316
- ORM NO. 29702 316
- OOM MAINTENANCE 316
- RETRACT CHAIN REINSTALLATION 317
- EXTEND CHAIN REINSTALLATION 318
- HAIN LINK DIMENSIONS 319
- ORM NO. 29702 320
- 7.0 HYDRAULIC SUB-ASSEMBLY 321
- OOM HEAD: 323
- HOWING HOSE TAKE-UP 323
- ILDMENT AT BOTTOM 323
- RONT, BOOM-SECTION 1 323
- YDRAULIC SUB-ASSEMBLY 324
- HYDRAULIC SUB-ASSEMBLY: 326
- FORM NO. 29702 326
- 544C/544D BOOM MAINTENANCE 326
- OOM CROWD CYLINDER 327
- RONT, BOOM-SECTION 1 330
- ORM NO. 29702 330
- EAR, BOOM-SECTION 4 331
- RONT BOOM-SECTION 2 331
- OOM-SECTION 4: REAR VIEW 331
- OMPLETE BOOM ASSEMBLY 331
- EAR VIEW 331
- EXTEND CHAIN ROLLER 332
- HOSE TAKE-UP ASSEMBLY 332
- SEPARATING BOOM SECTIONS 334
- REMOVING THE CROWD CYLINDER 334
- RONT, BOOM-SECTION 1 335
- EARING PADS: TYPICAL 335
- BOOM-SECTION 4 DIS-ASSEMBLY 337
- REASSEMBLING BOOM SECTIONS 338
- Important! 338
- ASSEMBLING BOOM-SECTION 4 339
- BOOM-SECTION 4: COMPLETE 340
- FRONT VIEW 340
- REAR VIEW 340
- FORM NO. 29702 340
- ASSEMBLING BOOM-SECTION 3 341
- EAR, BOOM-SECTION 3 343
- BOOM-SECTION 3: COMPLETE 344
- ASSEMBLING BOOM-SECTION 2 345
- EAR, BOOM-SECTION 2 347
- OOM-SECTION 2 347
- OTTOM, BOOM HEAD 347
- EAR, BOOM-SECTION 2 347
- ASSEMBLING BOOM-SECTION 1 349
- Shim as required 353
- BOLT SIZE 354
- METRIC FASTENERS 355
- OSE FITTING CHART 356
- Gradall, 1998 358
- Donaldson 375
- Open Center 377
- HYDRAULIC 377
- POWER BRAKE 377
- FIGURE 6 381
- Residual Valve 382
- Primary Cup 382
- Ring Seal & O-Ring 382
- Check Valve 382
- Sliding Piston 382
- SPECIFICATIONS CHART 383
- FIGURE 10 385
- Items included in Repair 385
- Kit 06-459-002 385
- FIGURE 12 389
- Kit 06-459-020 389
- FLOW-THRU 391
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