Description
JLG E450A E450AJ M450AJ Illustrated Parts Manual 3121715 Rev Q PDF
The JLG E450A E450AJ M450AJ Illustrated Parts Manual 3121715 Rev Q PDF is a detailed parts reference covering the E450A, E450AJ and M450AJ. The manual combines illustrated assembly breakdowns with item numbers, part numbers, quantities, descriptions and revision information so components can be traced from a machine assembly to the corresponding parts listing. Coverage is separated by machine system and, where applicable, by model, specification and serial-number range.
This is an illustrated parts manual rather than a service-procedure manual. Its primary purpose is parts identification, assembly breakdown reference, configuration matching and locating the correct component information during maintenance or repair planning. Numerous figures distinguish changes by serial number and machine specification, which is especially useful when an assembly changed during production.
File Details
- Manual type: Illustrated Parts Manual
- Brand: JLG
- Models: E450A, E450AJ, M450AJ
- Document number: 3121715
- Revision: Rev Q
- Date: October 3, 2020
- Language: English
- Pages: 636
- File format: PDF
Model and Serial Number Coverage
The JLG 3121715 Rev Q parts manual identifies machine applicability throughout the figures, allowing the reader to follow the breakdown that corresponds to the actual model and production range. The cover specifies E450A, E450AJ and M450AJ coverage for SN 0300208529 to SN 0300272287 and SN B300001429 to SN B300005763, excluding SN B300005567. Individual figures narrow this further whenever different components or installations apply to particular serial ranges.
That serial-specific organization appears throughout major assemblies. Steering, frame-mounted and turntable-mounted valves, boom assemblies, cylinders, platform controls, beacon lights and other systems are divided into the applicable production ranges. The manual also distinguishes configurations such as UL and non-UL specifications and regional arrangements where the parts differ.
How the Illustrated Parts Information Is Organized
Each system is divided into numbered figures and corresponding parts lists. Illustrated pages show the relationship and location of components, while the associated list provides item number, part number, quantity, description and revision information. Cross-references direct the reader to separate breakdowns for assemblies such as cylinders, drive motors, hydraulic valves and electrical harnesses.
The manual also identifies parts that are not serviced separately, parts that have been superseded or replaced, and kits containing grouped components. This makes the JLG E450A E450AJ M450AJ Illustrated Parts Manual 3121715 Rev Q PDF useful when comparing a complete assembly against individually replaceable components. A dedicated part number index at the back provides another route for locating a known part number within the manual.
Chapters Covered
- Section 1 – Frame
- Steering installations and hub-spindle assemblies
- Drive installations, drive hub and drive motor assemblies
- Electrical plate assemblies for UL and non-UL specifications
- Tire and wheel assemblies including pneumatic, non-marking, foam-filled and solid configurations
- Motor/pump/tank installations and hydraulic tank assemblies
- Frame-mounted valve and brake/steer valve assemblies
- Battery boxes, battery chargers, inverter and voltage guard installations
- Frame cover installations
- Section 2 – Turntable
- Turntable-mounted valve installations
- Main control, releveling and jib valve assemblies
- Motion alarm and drive orientation installations
- Turntable bearing, swing drive, swing motor and swing bearing assemblies
- Fuel tank and battery installation for M450AJ
- Ground control box installations and electrical assemblies
- Strobe and beacon light installations
- Hood installations
- Section 3 – Engine
- Kubota motor/generator installation for M450AJ
- Kubota motor/generator assemblies by serial range
- Kubota motor/generator component breakdowns
- Section 4 – Boom
- Boom and cylinder installations by model, serial range and LSS configuration
- Main boom assemblies
- Jib installations
- Rotator assemblies
- Platform support installations without LSS, with 4 cell LSS and with 1 cell LSS
- Cables, clamps and boom limit switches
- Section 5 – Platform
- 4FT/1.22M, 5FT/1.52M and 6FT/1.83M platform assemblies
- Side gate, drop bar and fall arrest platform configurations
- Platform console and footswitch installations
- Platform console assemblies for different LSS, SkyGuard and specification combinations
- Drive/steer and lift/swing controller assemblies
- Jib switch, footswitch, motor controls and tray assemblies
- Soft Touch, SkyEye, SkyGuard and Skyline installations
- Cross rail and pipe rack installations
- Section 6 – Cylinder
- Level or platform slave cylinders
- Jib lift cylinders
- Lower, mid and upper lift cylinders
- Master and steer cylinders
- Telescope cylinders
- Counterbalance valve assembly
- Section 7 – Hydraulic
- Hydraulic diagrams for E450A
- Hydraulic diagrams for E450AJ by serial range
- Hydraulic diagrams for M450AJ by serial range
- Hydraulic diagram list
- Section 8 – Electrical
- Electrical diagram list
- AC plug, socket and receptacle installations
- Battery cable kits and breaker box kits
- Boom cables and boom limit switch harnesses
- Chassis-to-turntable, generator, ground control, inverter and valve harnesses
- LSS, platform console, SkyEye, SkyGuard and Skyline harnesses
- Steer/brake, traction and turntable harnesses
- 110V and 220V lower and upper boom harness assemblies
- Section 9 – Decal
- ANSI, ANSI Export and UL decal installations
- Australian, CE and China specification decal installations
- Chinese/English, French/English, Japanese and Korean arrangements
- Spanish/English and Spanish/Portuguese arrangements
- Decal installation options
- Section 10 – Recommended Service Parts Stock
- Recommended service parts stock reference
- Section 11 – Special Options
- Special options parts information
- Part Number Index
- Part number lookup section beginning near the end of the manual
Taken together, these sections provide a machine-wide illustrated parts reference rather than a narrow catalog for one subsystem. A technician can move from the chassis and drive assemblies through the turntable, boom, platform and cylinders, then into hydraulic and electrical references, while keeping model and serial applicability visible. The M450AJ-specific Kubota motor/generator section adds a dedicated breakdown of that installation and its components.
Detailed Assembly and Configuration Reference
The depth of the parts breakdown is particularly useful for assemblies that contain many serviceable components. The frame section, for example, includes separate hub-spindle, drive hub and drive motor breakdowns rather than showing only complete units. Hydraulic valve assemblies identify individual cartridges, coils, seal kits and related components. The turntable section breaks down the swing motor and swing bearing, while the boom section follows main boom, jib and rotator assemblies and directs the reader to cylinder breakdowns where required.
Platform coverage is similarly configuration-specific. The manual separates platform sizes and entry arrangements and includes dedicated figures for platform consoles with different LSS and SkyGuard combinations. Electrical coverage extends beyond a simple diagram list to individual cable and harness assemblies used through the chassis, boom, platform and control systems.
Complete PDF Bookmark Tree
Complete Bookmarks
The complete bookmarks in the “JLG E450A E450AJ M450AJ Illustrated Parts Manual 3121715 Rev Q PDF” are as follows:
+SECTION 1 – FRAMEp. 15
FIGURE 1-1. STEERING INSTALLATION (SN 0300208529 through 0300244781, SN B300001429 through B300005763)p. 16
FIGURE 1-2. STEERING INSTALLATION (SN 0300244782 through 0300272287)p. 18
FIGURE 1-3. HUB – SPINDLE ASSEMBLY – RHp. 20
FIGURE 1-4. HUB – SPINDLE ASSEMBLY – LHp. 22
FIGURE 1-5. DRIVE INSTALLATION (NON-UL SPECS) (E450A,E450AJ)p. 24
FIGURE 1-6. DRIVE INSTALLATION (UL SPECS) (E450A,E450AJ)p. 28
FIGURE 1-7. DRIVE INSTALLATION (NON-UL SPECS) (M450AJ)p. 32
FIGURE 1-8. DRIVE HUB ASSEMBLYp. 36
FIGURE 1-9. DRIVE MOTOR ASSEMBLYp. 40
FIGURE 1-10. ELECTRICAL PLATE ASSEMBLY – LH (NON-UL SPECS)p. 42
FIGURE 1-11. ELECTRICAL PLATE ASSEMBLY – LH (UL SPECS)p. 44
FIGURE 1-12. ELECTRICAL PLATE ASSEMBLY – RH (NON-UL SPECS)p. 46
FIGURE 1-13. ELECTRICAL PLATE ASSEMBLY – RH (UL SPECS)p. 48
FIGURE 1-14. TIRE/WHEEL – IN240/55-17.5 PNEUMATICp. 50
FIGURE 1-15. TIRE/WHEEL – IN240/55-17.5 PNEUMATIC NON MARKINGp. 52
FIGURE 1-16. TIRE/WHEEL – IN240/55-17.5 PNEUMATIC NON MARKING WITH TIRE SEALANTp. 54
FIGURE 1-17. TIRE/WHEEL – IN240/55 – 17.5 FOAM FILLEDp. 56
FIGURE 1-18. TIRE/WHEEL – IN240/55-17.5 FOAM FILLED NON MARKINGp. 58
FIGURE 1-19. TIRE/WHEEL – 26 X 7 X 20 – SOLID NON MARKINGp. 60
FIGURE 1-20. MOTOR/PUMP/TANK INSTALLATION (NON-UL SPECS) (E450A,E450AJ)p. 62
FIGURE 1-21. MOTOR/PUMP/TANK INSTALLATION (UL SPECS) (E450A,E450AJ)p. 64
FIGURE 1-22. MOTOR/PUMP/TANK INSTALLATION (M450AJ)p. 66
FIGURE 1-23. MOTOR/PUMP ASSEMBLYp. 68
FIGURE 1-24. HYDRAULIC TANK ASSEMBLY (E450A,E450AJ)p. 70
FIGURE 1-25. HYDRAULIC TANK ASSEMBLY (M450AJ)p. 72
FIGURE 1-26. VALVE INSTALLATION – FRAME MOUNTED (E450A)p. 74
FIGURE 1-27. VALVE INSTALLATION – FRAME MOUNTED (E450AJ) (SN 0300208529 through 0300233451, SN B300001429 through B300002532)p. 76
FIGURE 1-28. VALVE INSTALLATION – FRAME MOUNTED (E450AJ) (SN 0300233452 through 0300272287, SN B300002533 through B300005763)p. 78
FIGURE 1-29. VALVE INSTALLATION – FRAME MOUNTED (M450AJ) (SN 0300208529 through 0300233451)p. 80
FIGURE 1-30. VALVE INSTALLATION – FRAME MOUNTED (M450AJ) (SN 0300233452 through 0300272287)p. 82
FIGURE 1-31. BRAKE/STEER VALVE ASSEMBLYp. 84
FIGURE 1-32. BATTERY BOX INSTALLATION – STANDARD (ALL SPECS EXCEPT AUSTRALIAN, CE AND CHINA SPECS)p. 86
FIGURE 1-33. BATTERY BOX INSTALLATION – STANDARD (AUSTRALIAN, CE AND CHINA SPECS)p. 88
FIGURE 1-34. BATTERY BOX INSTALLATION – AGM BATTERIES (ALL SPECS EXCEPT AUSTRALIAN, CE AND CHINA SPECS)p. 90
FIGURE 1-35. BATTERY BOX INSTALLATION – AGM BATTERIES (AUSTRALIAN, CE AND CHINA SPECS)p. 92
FIGURE 1-36. BATTERY CHARGER INSTALLATION (ANSI, ANSI EXPORT, CSA, JAPANESE AND UL SPECS) (E450A,E450AJ)p. 94
FIGURE 1-37. BATTERY CHARGER INSTALLATION (AUSTRALIAN SPEC) (E450A,E450AJ)p. 96
FIGURE 1-38. BATTERY CHARGER INSTALLATION (ANSI EXPORT AND CE SPECS) (E450A,E450AJ)p. 98
FIGURE 1-39. BATTERY CHARGER INSTALLATION (ANSI EXPORT AND CHINA SPECS) (E450AJ)p. 100
FIGURE 1-40. BATTERY CHARGER INSTALLATION (ANSI, ANSI EXPORT, CSA AND JAPANESE SPECS) (M450AJ)p. 102
FIGURE 1-41. BATTERY CHARGER INSTALLATION (AUSTRALIAN SPEC) (M450AJ)p. 104
FIGURE 1-42. BATTERY CHARGER INSTALLATION (ANSI EXPORT AND CE SPECS) (M450AJ)p. 106
FIGURE 1-43. BATTERY CHARGER ASSEMBLYp. 108
FIGURE 1-44. INVERTER INSTALLATION (E450A,E450AJ)p. 110
FIGURE 1-45. VOLTAGE GUARD ASSEMBLY AND INSTALLATION (ANSI EXPORT AND CHINA SPECS)p. 112
FIGURE 1-46. FRAME COVER INSTALLATION (E450A,E450AJ)p. 114
FIGURE 1-47. FRAME COVER INSTALLATION (M450AJ)p. 116
+SECTION 2 – TURNTABLEp. 119
FIGURE 2-1. VALVE INSTALLATION- TURNTABLE MOUNTED (E450A)p. 120
FIGURE 2-2. VALVE INSTALLATION- TURNTABLE MOUNTED (E450AJ) (SN 0300208529 through 0300233451, SN B300001429 through B300002532)p. 122
FIGURE 2-3. VALVE INSTALLATION- TURNTABLE MOUNTED (E450AJ) (SN 0300233452 through 0300272287, SN B300002533 through B300005763)p. 124
FIGURE 2-4. VALVE INSTALLATION- TURNTABLE MOUNTED (M450AJ) (SN 0300208529 through 0300233451)p. 126
FIGURE 2-5. VALVE INSTALLATION- TURNTABLE MOUNTED (M450AJ) (SN 0300233452 through 0300272287)p. 128
FIGURE 2-6. MAIN CONTROL VALVE ASSEMBLYp. 130
FIGURE 2-7. RELEVELING VALVE ASSEMBLYp. 132
FIGURE 2-8. JIB VALVE ASSEMBLY (SN 0300208529 through 0300233452, SN B300001429 through B300002532)p. 134
FIGURE 2-9. JIB VALVE ASSEMBLY (SN 0300233452 through 0300272287, SN B300002533 through B300005763)p. 136
FIGURE 2-10. MOTION ALARM INSTALLATIONp. 138
FIGURE 2-11. TURNTABLE BEARING AND SWING DRIVE INSTALLATIONp. 140
FIGURE 2-12. SWING MOTOR ASSEMBLYp. 142
FIGURE 2-13. SWING BEARING ASSEMBLYp. 144
FIGURE 2-14. REMOTE BEARING LUBE INSTALLATION – OPTIONALp. 146
FIGURE 2-15. DRIVE ORIENTATION INSTALLATIONp. 148
FIGURE 2-16. FUEL TANK AND BATTERY INSTALLATION (M450AJ)p. 150
FIGURE 2-17. GROUND CONTROL BOX INSTALLATION (ALL SPECS EXCEPT CE AND AUSTRALIAN SPECS) (E450A)p. 152
FIGURE 2-18. GROUND CONTROL BOX INSTALLATION (CE SPEC) (E450A)p. 154
FIGURE 2-19. GROUND CONTROL BOX INSTALLATION (ALL SPECS EXCEPT CE AND CHINA SPECS) (E450AJ,M450AJ)p. 156
FIGURE 2-20. GROUND CONTROL BOX INSTALLATION CE AND CHINA SPECS) (E450AJ,M450AJ)p. 158
FIGURE 2-21. GROUND CONTROL BOX ELECTRICAL ASSEMBLY (ALL SPECS EXCEPT CE AND AUSTRALIAN SPECS) (E450A)p. 160
FIGURE 2-22. GROUND CONTROL BOX ELECTRICAL ASSEMBLY (CE SPEC) (E450A)p. 162
FIGURE 2-23. GROUND CONTROL BOX ELECTRICAL ASSEMBLY (ALL SPECS EXCEPT CE AND CHINA SPECS) (E450AJ,M450AJ)p. 164
FIGURE 2-24. GROUND CONTROL BOX ELECTRICAL ASSEMBLY (CE AND CHINA SPECS) (E450AJ,M450AJ)p. 166
FIGURE 2-25. MOTOR CONTROLS INSTALLATION (M450AJ)p. 168
FIGURE 2-26. STROBE LIGHT INSTALLATION – AMBER (OPTIONAL)p. 170
FIGURE 2-27. STROBE LIGHT ASSEMBLY – AMBERp. 172
FIGURE 2-28. BEACON LIGHT INSTALLATION – BLUE (SN 0300208529 through 0300217475, SN B300001429 through B300001511)p. 174
FIGURE 2-29. BEACON LIGHT INSTALLATION – BLUE (SN 0300217476 through 0300256463, SN B300001512 through B300004700)p. 176
FIGURE 2-30. BEACON LIGHT INSTALLATION – BLUE (SN 0300256464 through 0300272287, SN B300004701 through B300005763)p. 178
FIGURE 2-31. BEACON LIGHT INSTALLATION – RED (SN 0300208529 through 0300217178, SN B300001429 through B300001510)p. 180
FIGURE 2-32. BEACON LIGHT INSTALLATION – RED (SN 0300217179 through 0300256463, SN B300001511 through B300004700)p. 182
FIGURE 2-33. BEACON LIGHT INSTALLATION – RED (SN 0300256464 through 0300272287, SN B300004701 through B300005763)p. 184
FIGURE 2-34. HOOD INSTALLATION (E450A,E450AJ)p. 186
FIGURE 2-35. HOOD INSTALLATION (M450AJ)p. 188
+SECTION 3 – ENGINEp. 191
FIGURE 3-1. KUBOTA MOTOR/GENERATOR INSTALLATION (M450AJ)p. 192
FIGURE 3-2. KUBOTA MOTOR/GENERATOR ASSEMBLY (M450AJ) (SN 0300208529 through 0300256463, SN B300001429 through B30003676)p. 194
FIGURE 3-3. KUBOTA MOTOR/GENERATOR ASSEMBLY (M450AJ) (SN 0300256464 through 0300272287, SN B300003677 through B300005763, Excluding B300005567)p. 196
FIGURE 3-4. KUBOTA MOTOR/GENERATOR COMPONENTS (M450AJ) (SN 0300208529 through 0300256463, SN B300001429 through B30003676)p. 198
FIGURE 3-5. KUBOTA MOTOR/GENERATOR COMPONENTS (M450AJ) (SN 0300256464 through 0300272287, SN B30003677 through B300005763, Excluding B300005567)p. 202
+SECTION 4 – BOOMp. 205
FIGURE 4-1. BOOM AND CYLINDERS INSTALLATION – WITHOUT LSS OR WITH 4 CELL LSS (E450A) (SN 0300208529 through 0300235600)p. 206
FIGURE 4-2. BOOM AND CYLINDERS INSTALLATION – WITH 1 CELL LSS (E450A) (SN 0300235601 through 0300272287)p. 208
FIGURE 4-3. BOOM AND CYLINDERS INSTALLATION (E450AJ,M450AJ) (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 212
FIGURE 4-4. BOOM AND CYLINDERS INSTALLATION (E450AJ,M450AJ) (SN B300002487 through B300005763, Excluding B300005567)p. 216
FIGURE 4-5. MAIN BOOM ASSEMBLY (E450A)p. 220
FIGURE 4-6. MAIN BOOM ASSEMBLY (E450AJ,M450AJ) (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 224
FIGURE 4-7. MAIN BOOM ASSEMBLY (E450AJ,M450AJ) (SN B300002487 through B300005763, Excluding B300005567)p. 228
FIGURE 4-8. JIB INSTALLATION (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 230
FIGURE 4-9. JIB INSTALLATION (SN B300002487 through B300005763, Excluding B300005567)p. 232
FIGURE 4-10. ROTATOR ASSEMBLY (E450A)p. 234
FIGURE 4-11. ROTATOR ASSEMBLY (E450AJ,M450AJ)p. 236
FIGURE 4-12. PLATFORM SUPPORT INSTALLATION – WITHOUT LSSp. 238
FIGURE 4-13. PLATFORM SUPPORT INSTALLATION – WITH 4 CELL LSS (SN 0300208529 through 0300235600, SN B300001429 through B300002438)p. 240
FIGURE 4-14. PLATFORM SUPPORT INSTALLATION – WITH 1 CELL LSS (E450A) (SN 0300235601 through 0300272287, SN B300002725 through B300005763, Excluding B300005567)p. 242
FIGURE 4-15. PLATFORM SUPPORT INSTALLATION – WITH 1 CELL LSS (E450AJ,M450AJ) (SN 0300235601 through 0300272287, SN B300002725 through B300005763, Excluding B300005567)p. 244
FIGURE 4-16. CABLES AND CLAMPS INSTALLATION (E450A)p. 248
FIGURE 4-17. CABLES AND CLAMPS INSTALLATION (E450AJ,M450AJ)p. 250
FIGURE 4-18. BOOM LIMIT SWITCHES INSTALLATIONp. 252
+SECTION 5 – PLATFORMp. 255
FIGURE 5-1. PLATFORM ASSEMBLY – 4FT/1.22M – SIDE GATE ENTRYp. 256
FIGURE 5-2. PLATFORM ASSEMBLY – 5FT/1.52M – SIDE GATE ENTRYp. 258
FIGURE 5-3. PLATFORM ASSEMBLY – 6FT/1.83M – SIDE GATE ENTRYp. 260
FIGURE 5-4. PLATFORM ASSEMBLY – 4FT/1.22M – DROP BAR ENTRYp. 262
FIGURE 5-5. PLATFORM ASSEMBLY – 5FT/1.52M – DROP BAR ENTRYp. 264
FIGURE 5-6. PLATFORM ASSEMBLY – 30IN X 3FT (76CM X .91M) – DROP BAR ENTRYp. 266
FIGURE 5-7. PLATFORM ASSEMBLY – 6FT/1.83M – DROP BAR ENTRYp. 268
FIGURE 5-8. PLATFORM ASSEMBLY – 5FT/1.52M – FALL ARREST (ANSI EXPORT SPEC)p. 270
FIGURE 5-9. PLATFORM ASSEMBLY – 6FT/1.83M – FALL ARRESTp. 272
FIGURE 5-10. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITHOUT LSS OR WITH 4 CELL LSS – WITHOUT SKYGUARD (NON-UL SPECS)p. 274
FIGURE 5-11. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITH SKYGUARD (UL SPECS) (SN 0300208529 through 0300256463)p. 276
FIGURE 5-12. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITH SKYGUARD (UL SPECS) (SN 0300256464 through 0300272287)p. 278
FIGURE 5-13. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITHOUT LSS OR WITH 4 CELL LSS – WITH SKYGUARD (SN 0300208529 through 0300229285, SN B300001429 through B300001989)p. 280
FIGURE 5-14. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITHOUT LSS OR WITH 4 CELL LSS – WITH SKYGUARD (SN 0300229286 through 0300235600, SN B300001990 through B300005763)p. 282
FIGURE 5-15. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITH 1 CELL LSS AND WITH SKYGUARD (SN 0300235601 through 0300256463, SN B300001429 through B300004700)p. 284
FIGURE 5-16. PLATFORM CONSOLE AND FOOTSWITCH INSTALLATION – WITH 1 CELL LSS AND WITH SKYGUARD (SN 0300256464 through 0300272287, SN B300004701 through B300005763)p. 286
FIGURE 5-17. PLATFORM CONSOLE ASSEMBLY – WITHOUT LSS OR WITH 4 CELL LSS – WITHOUT SKYGUARD (NON-UL SPECS) (SN 0300208529 through 0300219932, SN B300001429 through B300001596)p. 288
FIGURE 5-18. PLATFORM CONSOLE ASSEMBLY – WITHOUT LSS OR WITH 4 CELL LSS – WITHOUT SKYGUARD (NON-UL SPECS) (SN 0300219933 through 0300272287, SN B300001597 through B300005763)p. 292
FIGURE 5-19. PLATFORM CONSOLE ASSEMBLY – WITH SKYGUARD (UL SPECS) (SN 0300208529 through 0300256463)p. 296
FIGURE 5-20. PLATFORM CONSOLE ASSEMBLY – WITH SKYGUARD (UL SPECS) (SN 0300256464 through 0300272287)p. 300
FIGURE 5-21. PLATFORM CONSOLE ASSEMBLY – WITHOUT LSS OR WITH 4 CELL LSS – WITH SKYGUARD (NON-UL LISTED) (SN 0300208529 through 0300219932, SN B300001429 through B300001596)p. 304
FIGURE 5-22. PLATFORM CONSOLE ASSEMBLY – WITHOUT LSS OR WITH 4 CELL LSS – WITH SKYGUARD (NON-UL LISTED) (SN 0300219933 through 0300229285, SN B300001597 through B300001989)p. 308
FIGURE 5-23. PLATFORM CONSOLE ASSEMBLY – WITHOUT LSS OR WITH 4 CELL LSS – WITH SKYGUARD (NON-UL LISTED) (SN 0300229286 through 0300235600, SN B300001990 through B300005763)p. 312
FIGURE 5-24. PLATFORM CONSOLE ASSEMBLY – WITH 1 CELL LSS AND WITH SKYGUARD (SN 0300235601 through 0300256463, SN B300001429 through B300004700)p. 316
FIGURE 5-25. PLATFORM CONSOLE ASSEMBLY – WITH 1 CELL LSS AND WITH SKYGUARD (SN 0300256464 through 0300272287, SN B300004701 through B300005763)p. 320
FIGURE 5-26. JIB SWITCH INSTALLATION (E450AJ,M450AJ)p. 324
FIGURE 5-27. CONTROLLER ASSEMBLY – DRIVE AND STEERp. 326
FIGURE 5-28. CONTROLLER ASSEMBLY – LIFT AND SWINGp. 328
FIGURE 5-29. FOOTSWITCH ASSEMBLYp. 332
FIGURE 5-30. MOTOR CONTROLS INSTALLATION (M450AJ)p. 334
FIGURE 5-31. TRAY ASSEMBLYp. 336
FIGURE 5-32. SEALED ENCLOSURES – UL SPECSp. 338
FIGURE 5-33. SOFT TOUCH INSTALLATION – 6FT/1.8M PLATFORM (ANSI, ANSI EXPORT AND CSA SPECS)p. 340
FIGURE 5-34. SOFT TOUCH INSTALLATION – 5FT/1.52M PLATFORM (ANSI, ANSI EXPORT AND CSA SPECS)p. 342
FIGURE 5-35. SKYEYE INSTALLATIONp. 344
FIGURE 5-36. SKYGUARD SYSTEM INSTALLATION (SN 0300208529 through 0300256463, SN B300001429 through B300005763)p. 346
FIGURE 5-37. SKYGUARD BAR INSTALLATION (SN 0300256464 through 0300272287)p. 348
FIGURE 5-38. SKYLINE INSTALLATIONp. 350
FIGURE 5-39. CROSS RAIL INSTALLATIONp. 352
FIGURE 5-40. PIPE RACK INSTALLATIONp. 354
+SECTION 6 – CYLINDERp. 357
FIGURE 6-1. LEVEL (PLATFORM SLAVE) CYLINDER ASSEMBLY (E450A)p. 358
FIGURE 6-2. LEVEL (PLATFORM SLAVE) CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 360
FIGURE 6-3. LEVEL (PLATFORM SLAVE) CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 362
FIGURE 6-4. LIFT CYLINDER ASSEMBLY – JIB (E450AJ,M450AJ) (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 364
FIGURE 6-5. LIFT CYLINDER ASSEMBLY – JIB (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 366
FIGURE 6-6. LIFT CYLINDER ASSEMBLY – LOWER (E450A) (SN 0300235601 through 0300239755)p. 368
FIGURE 6-7. LIFT CYLINDER ASSEMBLY – LOWER (E450A) (SN 0300239756 through 0300272287)p. 370
FIGURE 6-8. LIFT CYLINDER ASSEMBLY – LOWER (E450AJ,M450AJ) (SN 0300208529 through 0300239252, SN B300001429 through B300002461)p. 372
FIGURE 6-9. LIFT CYLINDER ASSEMBLY – LOWER (E450AJ,M450AJ) (SN 0300239253 through 0300272287, SN B300002462 through B300002486)p. 374
FIGURE 6-10. LIFT CYLINDER ASSEMBLY – LOWER (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 376
FIGURE 6-11. LIFT CYLINDER ASSEMBLY – MID (E450A) (SN 0300235601 through 0300239755)p. 378
FIGURE 6-12. LIFT CYLINDER ASSEMBLY – MID (E450A) (SN 0300239756 through 0300272287)p. 380
FIGURE 6-13. LIFT CYLINDER ASSEMBLY – MID (E450AJ,M450AJ) (SN 0300208529 through 0300239252, SN B300001429 through B300002461)p. 382
FIGURE 6-14. LIFT CYLINDER ASSEMBLY – MID (E450AJ,M450AJ) (SN 0300239253 through 0300272287, SN B300002462 through B300002486)p. 384
FIGURE 6-15. LIFT CYLINDER ASSEMBLY – MID (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 386
FIGURE 6-16. LIFT CYLINDER ASSEMBLY – UPPER (E450A) (SN 0300235601 through 0300239755)p. 388
FIGURE 6-17. LIFT CYLINDER ASSEMBLY – UPPER (E450A) (SN 0300239756 through 0300271909)p. 390
FIGURE 6-18. LIFT CYLINDER ASSEMBLY – UPPER (E450A) (SN 0300271910 through 0300272287)p. 392
FIGURE 6-19. LIFT CYLINDER ASSEMBLY – UPPER (E450AJ,M450AJ) (SN 0300208529 through 0300239755, SN B300001429 through B300002486)p. 394
FIGURE 6-20. LIFT CYLINDER ASSEMBLY – UPPER (E450AJ,M450AJ) (SN 0300239756 through 0300272287)p. 396
FIGURE 6-21. LIFT CYLINDER ASSEMBLY – UPPER (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 398
FIGURE 6-22. MASTER CYLINDER ASSEMBLY (E450A)p. 400
FIGURE 6-23. MASTER CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN 0300208529 through 0300272287, SN B300001429 through B300002486)p. 402
FIGURE 6-24. MASTER CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN B3000024867 through B300005763)p. 404
FIGURE 6-25. STEER CYLINDER ASSEMBLY (SN 0300208529 through 0300272287, SN B300001429 through B300002982)p. 406
FIGURE 6-26. STEER CYLINDER ASSEMBLY (SN B300002983 through B300005763)p. 408
FIGURE 6-27. TELESCOPE CYLINDER ASSEMBLY (E450A) (SN 0300208529 through 0300244781)p. 410
FIGURE 6-28. TELESCOPE CYLINDER ASSEMBLY (E450A) (SN 0300244782 through 0300266862)p. 412
FIGURE 6-29. TELESCOPE CYLINDER ASSEMBLY (E450A) (SN 0300266863 through 0300272287)p. 414
FIGURE 6-30. TELESCOPE CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN 0300208529 through 0300243858, SN B300001429 through B300002486)p. 416
FIGURE 6-31. TELESCOPE CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN 0300243859 through 0300272287)p. 418
FIGURE 6-32. TELESCOPE CYLINDER ASSEMBLY (E450AJ,M450AJ) (SN B300002487 through B300005763)p. 420
FIGURE 6-33. COUNTERBALANCE VALVE ASSEMBLYp. 422
+SECTION 7 – HYDRAULICp. 425
FIGURE 7-1. HYDRAULIC DIAGRAM (E450A)p. 426
FIGURE 7-2. HYDRAULIC DIAGRAM (E450AJ) (SN 0300208529 through 0300233451, SN B300001429 through B300002532)p. 430
FIGURE 7-3. HYDRAULIC DIAGRAM (E450AJ) (SN 0300233452 through 0300272287, SN B300002533 through B300005763)p. 434
FIGURE 7-4. HYDRAULIC DIAGRAM (M450AJ) (SN 0300208529 through 0300233451)p. 438
FIGURE 7-5. HYDRAULIC DIAGRAM (M450AJ) (SN 0300233452 through 0300272287)p. 442
FIGURE 7-6. LIST, HYDRAULIC DIAGRAM LISTp. 446
+SECTION 8 – ELECTRICALp. 447
FIGURE 8-1. ELECTRICAL DIAGRAM LISTp. 448
FIGURE 8-2. AC PLUGS AND SOCKETS INSTALLATION – AFSINT 107-2-01 KEYED GROUND – 2 X 4 BOX (CE SPEC)p. 450
FIGURE 8-3. AC PLUGS AND SOCKETS INSTALLATION – CEE7 POST GROUND (CE SPEC)p. 452
FIGURE 8-4. AC PLUGS AND SOCKETS INSTALLATION – CEE 7 SIDE GROUND (CE SPEC)p. 454
FIGURE 8-5. AC PLUGS AND SOCKETS INSTALLATION – CEE7 POST GROUND – 2 X 4 BOX (CE SPEC)p. 456
FIGURE 8-6. AC PLUGS AND SOCKETS INSTALLATION – CEE7 SIDE GROUND – 2 X 4 BOX (CE SPEC)p. 458
FIGURE 8-7. AC PLUGS AND SOCKETS INSTALLATION – IEC 60309 BLUE (CE SPEC)p. 460
FIGURE 8-8. AC PLUGS AND SOCKETS INSTALLATION – IEC 60309 YELLOW (CE SPEC)p. 462
FIGURE 8-9. BATTERY CABLE KIT (NON-UL SPECS) (E450A,E450AJ)p. 464
FIGURE 8-10. BATTERY CABLE KIT (UL SPECS) (E450A,E450AJ)p. 466
FIGURE 8-11. BATTERY CABLE KIT (NON-UL SPECS) (M450AJ)p. 468
FIGURE 8-12. BOOM CABLE – LOWERp. 470
FIGURE 8-13. BOOM CABLE – UPPER (E450A)p. 472
FIGURE 8-14. BOOM CABLE – UPPER (E450AJ,M450AJ)p. 474
FIGURE 8-15. BOOM LIMIT SWITCH HARNESS – LOWERp. 476
FIGURE 8-16. BOOM LIMIT SWITCH HARNESS – UPPERp. 478
FIGURE 8-17. BRAKE/STEER HARNESS (M450AJ)p. 480
FIGURE 8-18. BREAKER BOX KIT WITH ONE BREAKERS – CE SPECp. 482
FIGURE 8-19. BREAKER BOX KIT WITH TWO BREAKERS – CE SPECp. 484
FIGURE 8-20. CHARGER CORD PLUG INSTALLATION – 110V – IEC 60309 – YELLOW (CE SPEC)p. 486
FIGURE 8-21. CHARGER CORD PLUG INSTALLATION – 220V – AFSINT 107 KEYED GROUND (CE SPEC)p. 488
FIGURE 8-22. CHARGER CORD PLUG INSTALLATION – 220V – CEE7 POST GROUND (CE SPEC)p. 490
FIGURE 8-23. CHARGER CORD PLUG INSTALLATION – 220V – CEE7 SIDE GROUND (CE SPEC)p. 492
FIGURE 8-24. CHARGER CORD PLUG INSTALLATION – 220V – IEC 60309 – BLUE (CE SPEC)p. 494
FIGURE 8-25. CHASSIS TO TURNTABLE HARNESSp. 496
FIGURE 8-26. GENERATOR HARNESSp. 498
FIGURE 8-27. GROUND CONTROL PANEL HARNESSp. 500
FIGURE 8-28. INVERTER HARNESSp. 502
FIGURE 8-29. INVERTER IGNITION HARNESSp. 504
FIGURE 8-30. LOWER BOOM 110V HARNESS ASSEMBLYp. 506
FIGURE 8-31. LOWER BOOM 220V HARNESS ASSEMBLYp. 508
FIGURE 8-32. LSS SYSTEM HARNESSp. 510
FIGURE 8-33. PLATFORM CONSOLE HARNESS – WITHOUT LSS OR WITH 4 CELL LSSp. 512
FIGURE 8-34. PLATFORM CONSOLE HARNESS – WITH 1 CELL LSSp. 514
FIGURE 8-35. PLUG AND RECEPTACLE INSTALLATION – SUPPLIED LOCALLYp. 516
FIGURE 8-36. PLUG AND RECEPTACLE INSTALLATION – 110Vp. 518
FIGURE 8-37. PLUG AND RECEPTACLE INSTALLATION – 220Vp. 520
FIGURE 8-38. PLUG AND RECEPTACLE 110V INSTALLATION – IEC 60309 – YELLOW (CE SPEC)p. 522
FIGURE 8-39. PLUG AND RECEPTACLE 220V INSTALLATION – AFSINT 107 KEYED GROUND – 2 X 4 BOX (CE SPEC)p. 524
FIGURE 8-40. PLUG AND RECEPTACLE 220V INSTALLATION – CEE7 POST GROUND – 2 X 4 BOX (CE SPEC)p. 526
FIGURE 8-41. PLUG AND RECEPTACLE 220V INSTALLATION – CEE7 POST GROUND – 70MM X 70MM BOX (CE SPEC)p. 528
FIGURE 8-42. PLUG AND RECEPTACLE 220 INSTALLATION – CEE7 SIDE GROUND – 2 X 4 BOX (CE SPEC)p. 530
FIGURE 8-43. PLUG AND RECEPTACLE 220V INSTALLATION – CEE7 SIDE GROUND – 70MM X 70MM BOX (CE SPEC)p. 532
FIGURE 8-44. PLUG AND RECEPTACLE 220V INSTALLATION – IEC 60309 – BLUE (CE SPEC)p. 534
FIGURE 8-45. SKYEYE INTERMEDIATE HARNESSp. 536
FIGURE 8-46. SKYEYE RECEIVER HARNESSp. 538
FIGURE 8-47. SKYEYE EMITTER HARNESSp. 540
FIGURE 8-48. SKYGUARD HARNESS – WITHOUT LSS OR WITH 4 CELL LSSp. 542
FIGURE 8-49. SKYGUARD HARNESS – WITH 1 CELL LSSp. 544
FIGURE 8-50. SKYLINE HARNESSp. 546
FIGURE 8-51. STEER/BRAKE HARNESSp. 548
FIGURE 8-52. TRACTION HARNESSp. 550
FIGURE 8-53. TURNTABLE HARNESSp. 554
FIGURE 8-54. UPPER BOOM 110V HARNESS ASSEMBLYp. 558
FIGURE 8-55. UPPER BOOM 220V HARNESS ASSEMBLYp. 560
FIGURE 8-56. VALVE HARNESSp. 562
+SECTION 9 – DECALp. 565
FIGURE 9-1. DECAL INSTALLATION – ANSI, ANSI EXPORT AND UL SPECS – ENGLISH (USA BUILT MACHINES) (E450A,E450AJ)p. 566
FIGURE 9-2. DECAL INSTALLATION – ANSI EXPORT SPEC – ENGLISH (CHINA BUILT MACHINES) (E450AJ)p. 570
FIGURE 9-3. DECAL INSTALLATION – ANSI AND ANSI EXPORT SPECS – ENGLISH (M450AJ)p. 572
FIGURE 9-4. DECAL INSTALLATION – AUSTRALIAN SPEC (E450AJ)p. 576
FIGURE 9-5. DECAL INSTALLATION – AUSTRALIAN SPEC (M450AJ)p. 578
FIGURE 9-6. DECAL INSTALLATION – CE AND CHINA SPECS (E450AJ)p. 580
FIGURE 9-7. DECAL INSTALLATION – CE SPEC (M450AJ)p. 582
FIGURE 9-8. DECAL INSTALLATION – CHINESE/ENGLISH (USA BUILT MACHINES) (E450A,E450AJ)p. 584
FIGURE 9-9. DECAL INSTALLATION – CHINESE/ENGLISH (CHINA BUILT MACHINES) (E450AJ)p. 586
FIGURE 9-10. DECAL INSTALLATION – CHINESE/ENGLISH (M450AJ)p. 588
FIGURE 9-11. DECAL INSTALLATION – FRENCH/ENGLISH SPECS (E450A,E450AJ)p. 590
FIGURE 9-12. DECAL INSTALLATION – FRENCH/ENGLISH SPECS (M450AJ)p. 592
FIGURE 9-13. DECAL INSTALLATION – JAPANESE SPEC (USA BUILT MACHINES) (E450A,E450AJ)p. 594
FIGURE 9-14. DECAL INSTALLATION – JAPANESE SPEC (CHINA BUILT MACHINES) (E450AJ)p. 596
FIGURE 9-15. DECAL INSTALLATION – JAPANESE SPEC (M450AJ)p. 598
FIGURE 9-16. DECAL INSTALLATION – KOREAN SPEC (USA BUILT MACHINES) (E450A,E450AJ)p. 600
FIGURE 9-17. DECAL INSTALLATION – KOREAN SPEC (CHINA BUILT MACHINES) (E450AJ)p. 602
FIGURE 9-18. DECAL INSTALLATION – KOREAN SPEC (M450AJ)p. 604
FIGURE 9-19. DECAL INSTALLATION – SPANISH/ENGLISH SPECS (E450A,E450AJ)p. 606
FIGURE 9-20. DECAL INSTALLATION – SPANISH/ENGLISH SPECS (M450AJ)p. 608
FIGURE 9-21. DECAL INSTALLATION – SPANISH/PORTUGUESE SPECS (E450A,E450AJ)p. 610
FIGURE 9-22. DECAL INSTALLATION – SPANISH/PORTUGUESE SPECS (M450AJ)p. 612
FIGURE 9-23. DECAL INSTALLATION – OPTIONSp. 614
+SECTION 10 – RECOMMENDED SERVICE PARTS STOCKp. 617
FIGURE 10-1. RECOMMENDED SERVICE PARTS STOCKp. 618
+SECTION 11 – SPECIAL OPTIONSp. 621
FIGURE 11-1. SPECIAL OPTIONSp. 622
PART NUMBER INDEXp. 625
The manual also preserves regional and specification differences in the parts illustrations. Battery charger installations, electrical hardware, plugs and receptacles, decal arrangements and other components are separated where ANSI, ANSI Export, CSA, CE, Australian, Japanese, China or UL specifications call for different parts. These distinctions help prevent a visually similar but differently specified assembly from being treated as interchangeable without checking the applicable figure.
Parts Identification for Maintenance and Repair Planning
Use this JLG E450A E450AJ M450AJ parts manual when you need to identify a component from an exploded illustration, confirm its listed part number and quantity, see whether it belongs to a larger assembly or kit, or determine which breakdown applies to a particular model and serial range. It is also useful for preparing parts orders, checking replacement references and tracing components across linked sections before maintenance or repair work begins.
Because many figures are divided by serial range or machine specification, matching the machine to the correct illustration matters before selecting parts. The manual’s illustrated breakdowns, part descriptions, quantities and applicability notes provide the reference information needed to make that comparison. For repair procedures, adjustments or operating instructions, use the appropriate service, maintenance or operation manual in addition to this illustrated parts reference.
Get the JLG 3121715 Rev Q Parts Manual Instantly
The JLG E450A E450AJ M450AJ Illustrated Parts Manual 3121715 Rev Q PDF gives owners, technicians and parts personnel a detailed reference for identifying frame, turntable, boom, platform, cylinder, hydraulic, electrical, engine-related and optional components across the covered machines. Having the correct model, serial-range illustration, part number and assembly breakdown available can make parts selection and repair planning more precise and reduce the risk of working from the wrong configuration.
After payment, the manual is delivered as an instant PDF download with no physical shipping required. Open it on a compatible phone, tablet or computer, keep a copy available for workshop reference, and print the pages or assembly diagrams you need.
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