JLG 450A Series II, 450AJ Series II Boom Lift Parts Manual

Name: JLG 450A Series II, 450AJ Series II Boom Lift Parts Manual
Brand: MidWestTech
SKU: 3121243
Price: 69.97 USD
Availability: InStock

566 pages · Publication 3121243

$69.97

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Models: 450A Series II, 450AJ Series II
Serial coverage: Prior to 1300006000, 0300062713, 0300062755, 0300064188, 0300064241, 0300064340, 0300064366, 0300064407, 0300064430, 0300064580, 0300064581, 0300064583, 0300064605-0300064609, 0300064691, 0300064705, 0300064706, 0300064735, 0300064737, 0300064753, 0300064754, 0300064774, 0300064775, 0300064792, 0300064794, 0300064806, 0300064918, 0300064923-0300064928, 0300064933, 0300064934, 0300065012, 0300065014-0300065028, 0300065031-0300065046, 0300065049, 0300065050, 0300065063, 0300065066, 0300065067, 0300065078, 0300065080-0300123999
Manual type: Parts Manual
Pages: 566
Publication: 3121243
Condition: Brand new

JLG 450A Series II, 450AJ Series II Boom Lift Parts Manual, publication 3121243

What's inside

From the manual's own table of contents: 43 sections, 116 entries. See sample pages (PDF, 710 KB)

Search the contents

General46 topics

SECTION 1 - FRAME
FIGURE 1-1. AXLE AND STEERING INSTALLATION - 2WD WITHOUT TOW BAR
FIGURE 1-2. AXLE AND STEERING INSTALLATION - 2WD WITH TOW BAR
FIGURE 1-3. AXLE AND STEERING INSTALLATION - 4WD
FIGURE 1-4. TIRE AND WHEEL DRIVE INSTALLATIONS
FIGURE 1-6. DRIVE HUB/BRAKE ASSEMBLY (REAR)
FIGURE 1-7. DRIVE HUB/BRAKE ASSEMBLY
FIGURE 1-8. DRIVE HUB ASSEMBLY (FRONT) (4WD ONLY)
FIGURE 1-9. DRIVE HUB ASSEMBLY (FRONT) (4WD ONLY)
FIGURE 1-10. DRIVE MOTOR ASSEMBLY (2WD)
FIGURE 1-11. DRIVE MOTOR ASSEMBLY (2WD)
FIGURE 1-12. DRIVE MOTOR ASSEMBLY (2WD)
FIGURE 1-13. DRIVE MOTOR ASSEMBLY (4WD)
FIGURE 1-14. DRIVE MOTOR ASSEMBLY (4WD)
FIGURE 1-15. DRIVE VALVES INSTALLATIONS
FIGURE 1-16. TOW BAR INSTALLATION (OPTIONAL)
FIGURE 1-17. SEMI-TRACK INSTALLATION
SECTION 2 - TURNTABLE
FIGURE 2-1. CONTROL VALVE INSTALLATION
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY
FIGURE 2-3. TURNTABLE AND SWING DRIVE INSTALLATIONS
FIGURE 2-4. SWING MOTOR ASSEMBLY (ORIGINAL EQUIPMENT)
FIGURE 2-5. SWING MOTOR ASSEMBLY (SERVICE REPLACEMENT)
FIGURE 2-6. SWING BEARING AND ROTATION BOX ASSEMBLY (ORIGINAL EQUIPMENT)
FIGURE 2-11. USA BUILT MACHINES/CATERPILLAR ENGINE INSTALLATION
FIGURE 2-12. USA BUILT MACHINES/DEUTZ ENGINE INSTALLATION (SN 0300065080 through 0300077682)
FIGURE 2-13. USA BUILT MACHINES/DEUTZ ENGINE INSTALLATION (SN 0300077683 through 0300123999)
FIGURE 2-14. USA BUILT MACHINES/FORD ENGINE INSTALLATION (SN 0300065080 through 0300078472)
FIGURE 2-15. USA BUILT MACHINES/FORD ENGINE INSTALLATION (SN 0300078473 through 0300123999)
FIGURE 2-16. USA BUILT MACHINES/DUAL FUEL INSTALLATIONS (GAS MACHINES ONLY)
FIGURE 2-17. USA BUILT MACHINES/GM ENGINE INSTALLATION
FIGURE 2-18. USA BUILT MACHINES/PERKINS ENGINE INSTALLATION
FIGURE 2-19. BELGIUM BUILT MACHINES/DEUTZ ENGINE INSTALLATION (Prior to SN 1300000979)
FIGURE 2-20. BELGIUM BUILT MACHINES/DEUTZ ENGINE INSTALLATION (SN 1300000979 through 1300006000)
FIGURE 2-21. BELGIUM BUILT MACHINES/PERKINS ENGINE INSTALLATION
FIGURE 2-22. PISTON PUMP ASSEMBLY (SERIES M46 PUMP)
FIGURE 2-23. PISTON PUMP ASSEMBLY (SERIES 42 PUMP)
FIGURE 2-24. GEAR PUMP ASSEMBLY
FIGURE 2-25. AUXILIARY PUMP ASSEMBLY
FIGURE 2-26. TANK INSTALLATIONS
FIGURE 2-27. GROUND CONTROL BOX ASSEMBLY
FIGURE 2-28. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED)
FIGURE 2-29. HOODS INSTALLATION
FIGURE 2-30. 2500W GENERATOR INSTALLATION - CATERPILLAR ENGINES (USA BUILT MACHINES) (OPTIONAL)
(OPTIONAL)
FIGURE 2-34. 2500W GENERATOR INSTALLATION - GM ENGINES (USA BUILT MACHINES) (OPTIONAL)

FIGURE 2-36. 7500W GENERATOR INSTALLATION - CATERPILLAR ENGINE MACHINES (USA BUILT MACHINES)

FIGURE 2-37. 7500W GENERATOR INSTALLATION - DEUTZ ENGINE MACHINES (USA BUILT MACHINES)

FIGURE 2-38. 7500W GENERATOR INSTALLATION - DEUTZ ENGINE MACHINES (BELGIUM BUILT MACHINES)

FIGURE 2-39. 7500W GENERATOR INSTALLATION - FORD ENGINE MACHINES (USA BUILT MACHINES)

FIGURE 2-40. 7500W GENERATOR INSTALLATION - GM ENGINE MACHINES (USA BUILT MSCHINES)

FIGURE 2-41. 7500W GENERATOR INSTALLATION - PERKINS ENGINE MACHINES (USA BUILT MACHINES)

FIGURE 2-42. 7500W GENERATOR INSTALLATION - PERKINS ENGINE MACHINES (BELGIUM BUILT MACHINES)

SECTION 3 - BOOM

FIGURE 3-2. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (BELGIUM BUILT MACHINES) - 450AJ SERIES II

FIGURE 3-3. MAIN BOOM INSTALLATION - 450A SERIES II

FIGURE 3-4. MAIN BOOM INSTALLATION - 450AJ SERIES II (USA BUILT MACHINES)

FIGURE 3-5. MAIN BOOM INSTALLATION - 450AJ SERIES II (BELGIUM BUILT MACHINES)

FIGURE 3-6. MAIN BOOM ASSEMBLIES

FIGURE 3-7. ROTATOR ASSEMBLIES

FIGURE 3-8. PLATFORM SUPPORT AND CONTROL VALVES INSTALLATIONS (FRONT ENTRY PLATFORM)

FIGURE 3-9. PLATFORM SUPPORT AND CONTROL VALVES INSTALLATIONS (SIDE ENTRY PLATFORM)

FIGURE 3-10. PLATFORM SUPPORT INSTALLATION - WITH LSS

SECTION 4 - PLATFORM

FIGURE 4-1. PLATFORM INSTALLATION (USA BUILT MACHINES) (SN 0300065080 through 0300069154)

FIGURE 4-3. FALL ARREST PLATFORM COMPONENTS INSTALLATION (OPTIONAL)

FIGURE 4-4. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL)

FIGURE 4-5. PLATFORM CONSOLE ASSEMBLY

FIGURE 4-6. CONTROLLER ASSEMBLY (SWING AND LIFT) (ORIGINAL EQUIPMENT)

Show all 44 sections

FIGURE 4-7. CONTROLLER ASSEMBLY (LIFT AND SWING) (SERVICE REPLACEMENT)

FIGURE 4-8. CONTROLLER ASSEMBLY (LIFT AND SWING) (SERVICE REPLACEMENT)

FIGURE 4-9. CONTROLLER ASSEMBLY (DRIVE AND STEER) (ORIGINAL EQUIPMENT)

FIGURE 4-10. CONTROLLER ASSEMBLY (DRVIE AND STEER) (SERVICE REPLACEMENT)

FIGURE 4-11. CONTROLLER ASSEMBLY (DRIVE AND STEER) (SERVICE REPLACEMENT)

FIGURE 4-12. SKYGLAZIER INSTALLATION - WITHOUT LSS (ANSI, CSA AND AUSTRALIAN SPECS)

FIGURE 4-13. SKYGLAZIER INSTALLATION - WITH LSS (AUSTRALIAN SPECS)

FIGURE 4-14. SKYWELDER INSTALLATION (50HZ)

FIGURE 4-15. SKYWELDER INSTALLATION (60HZ)

FIGURE 4-16. WELDER ASSEMBLY

FIGURE 4-19. PLASMA CUTTER ASSEMBLY

FIGURE 4-20. PLASMA CUTTER ASSEMBLY

SECTION 5 - CYLINDER

FIGURE 5-1. USA BUILT MACHINES/AXLE LOCKOUT CYLINDER (SN 0300065080 through 0300107511)

FIGURE 5-2. USA BUILT MACHINES/AXLE LOCKOUT CYLINDER (SN 0300107512 through 0300123999)

FIGURE 5-9. USA BUILT MACHINES/LIFT (MAIN BOOM) CYLINDER (SN 0300065080 through 0300123999)

FIGURE 5-10. USA BUILT MACHINES/LIFT (TOWER BOOM) CYLINDER (SN 0300065080 through 0300123999)27 topics

FIGURE 5-17. USA BUILT MACHINES/TELESCOPE CYLINDER (SN 0300065080 through 0300123999)
FIGURE 5-18. BELGIUM BUILT MACHINES/AXLE LOCKOUT CYLINDER (Prior to SN 1300003222)
FIGURE 5-19. BELGIUM BUILT MACHINES/AXLE LOCKOUT CYLINDER (SN 1300003222 through 1300006000)
FIGURE 5-20. BELGIUM BUILT MACHINES/LEVEL (PLATFORM) CYLINDER (450AJ SERIES II)
FIGURE 5-21. BELGIUM BUILT MACHINES/LIFT (JIB) CYLINDER (450AJ SERIES II ONLY)
FIGURE 5-22. BELGIUM BUILT MACHINES/LIFT (MAIN BOOM) CYLINDER
FIGURE 5-23. BELGIUM BUILT MACHINES/LIFT (TOWER BOOM) CYLINDER
FIGURE 5-24. BELGIUM BUILT MACHINES/MASTER CYLINDER (450AJ SERIES II)
FIGURE 5-25. BELGIUM BUILT MACHINES/STEER CYLINDER
FIGURE 5-26. BELGIUM BUILT MACHINES/TELESCOPE CYLINDER
SECTION 6 - HYDRAULIC
FIGURE 6-7. DRIVE HYDRAULIC DIAGRAM - 2WD
FIGURE 6-8. DRIVE HYDRAULIC DIAGRAM - 2WD
FIGURE 6-9. DRIVE HYDRAULIC DIAGRAM - 2WD
FIGURE 6-10. DRIVE HYDRAULIC DIAGRAM - 4WD
FIGURE 6-11. DRIVE HYDRAULIC DIAGRAM - 4WD
FIGURE 6-12. STANDARD HYDRAULIC DIAGRAM
FIGURE 6-13. TOW BAR HYDRAULIC DIAGRAM
FIGURE 6-14. HYDRAULIC DIAGRAM LIST
SECTION 7 - ELECTRICAL
FIGURE 7-1. ELECTRICAL DIAGRAM LIST
FIGURE 7-2. HARNESS COMPONENTS INSTALLATION
SECTION 8 - DECALS
FIGURE 8-1. DECAL INSTALLATION - ANSI SPEC (USA BUILT MACHINES) (SN 0300065080 through 0300069154)
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK
FIGURE 9-1. MODEL 450A / 450AJ SERIES II STANDARD PARTS
FIGURE 9-2. MODEL 450A / 450AJ SERIES II VARIABLE PARTS

SECTION 10 - SPECIAL OPTIONS

FIGURE 10-1. SPECIAL OPTIONS

PART NUMBER INDEX

Inside this manual

Real pages from this parts manual (566 pages). Open the sample pages (PDF, 709 KB)

Sample pages from the JLG 450A Series II, 450AJ Series II Boom Lift Parts Manual: Parts illustration, Parts illustration, Parts illustration

Parts illustration, page 201: FIGURE 2-24. GEAR PUMP ASSEMBLY
Parts illustration, page 313: SECTION 3 - BOOM
Parts illustration, page 545: SECTION 10 - SPECIAL OPTIONS

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 450A Series II, 450AJ Series II are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Parts Manual 3121243$69.97

Service manuals

Service Manual 3121180 · 472 pagesCovers 450A Series II, 450AJ Series IISerial: Prior to 1300007279, Prior to E300001115, 0300062713, 0300062755, 0300064188, 0300064241, 0300064340, 0300064366, 0300064407, 0300064430, 0300064580, 0300064581, 0300064583, 0300064605-0300064609, 0300064691, 0300064705, 0300064706, 0300064735, 0300064737, 0300064753, 0300064754, 0300064774, 0300064775, 0300064792, 0300064794, 0300064806, 0300064918, 0300064923-0300064928, 0300064933, 0300064934, 0300065012, 0300065014-0300065028, 0300065031-0300065046, 0300065049, 0300065050, 0300065063, 0300065066, 0300065067, 0300065078, 0300065080-0300160834$69.57Details

Service Manual 3121290 · 396 pagesCovers 450A Series II, 450AJ Series IISerial: 0300160835-0300201990, E300001114-E300002832, Exclude Serial Number Range: 0300199221-0300199224, 0300200428, 0300201105-0300201109, 0300201481, 0300201482, 0300201528, 0300201529, 0300201575-0300201577, 0300201623, 0300201624, 0300201668, 0300201811-0300201814, 0300201858-0300201862, 0300201906-0300201910, 0300201954-0300201958$69.63Details

This is a parts manual

Here's how it compares to the other manual types.

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

This manual

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 566 pages

Quantity one is the manual described above.

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