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: 3121291
Price: 69.75 USD
Availability: InStock

406 pages · Publication 3121291

$69.75

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Models: 450A Series II, 450AJ Series II
Serial coverage: 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
Manual type: Parts Manual
Pages: 406
Publication: 3121291
Condition: Brand new

JLG 450A Series II, 450AJ Series II Boom Lift Parts Manual, publication 3121291

What's inside

From the manual's own table of contents: 54 sections, 114 entries. See sample pages (PDF, 599 KB)

Search the contents

General54 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 INSTALLATION
FIGURE 1-5. DRIVE HUB/BRAKE ASSEMBLY (REAR)
FIGURE 1-6. DRIVE HUB ASSEMBLY (FRONT) (4WD ONLY)
FIGURE 1-7. DRIVE MOTOR ASSEMBLY (2WD)
FIGURE 1-8. DRIVE MOTOR ASSEMBLY (4WD)
FIGURE 1-9. DRIVE VALVES AND FRAME SHIELDS INSTALLATION
FIGURE 1-10. TOW BAR (NON-FOLDING) INSTALLATION (OPTIONAL)
FIGURE 1-11. TOW BAR (FOLDING) INSTALLATION (OPTIONAL)
SECTION 2 - TURNTABLE
FIGURE 2-1. MAIN CONTROL VALVE AND ALARM INSTALLATIONS
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY
FIGURE 2-3. TURNTABLE AND SWING DRIVE INSTALLATIONS
FIGURE 2-4. SWING MOTOR ASSEMBLY
FIGURE 2-5. SWING BEARING AND ROTATION BOX ASSEMBLY (ORIGINAL EQUIPMENT)
FIGURE 2-6. SWING BEARING AND ROTATION BOX ASSEMBLY (SERVICE REPLACEMENT)
FIGURE 2-7. CATERPILLAR ENGINE INSTALLATION (USA BUILT MACHINES)
FIGURE 2-8. CATERPILLAR ENGINE INSTALLATION (ROMANIAN BUILT MACHINES)
FIGURE 2-9. DEUTZ D2011 ENGINE INSTALLATION (USA BUILT MACHINES)
FIGURE 2-10. DEUTZ D2011 ENGINE INSTALLATION (ROMANIAN BUILT MACHINES)
FIGURE 2-11. DEUTZ TD2.9L4 ENGINE INSTALLATION (USA BUILT MACHINES)
FIGURE 2-12. GM ENGINE INSTALLATION
FIGURE 2-13. PISTON PUMP ASSEMBLY
FIGURE 2-14. GEAR PUMP ASSEMBLY
FIGURE 2-15. AUXILIARY PUMP ASSEMBLY
FIGURE 2-16. TANK INSTALLATIONS
FIGURE 2-17. LP TANK INSTALLATION (GM ENGINE MACHINES ONLY)
FIGURE 2-18. GROUND CONTROL BOX ASSEMBLY (FIBERGLASS BOX)
FIGURE 2-19. GROUND CONTROL BOX ASSEMBLY (STEEL BOX)
FIGURE 2-20. LIGHT INSTALLATIONS
FIGURE 2-21. HOODS INSTALLATION
FIGURE 2-22. 2500W GENERATOR INSTALLATION - CATERPILLAR MACHINES (OPTIONAL)
FIGURE 2-23. 2500W GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL)
(OPTIONAL)
FIGURE 2-26. 4000W GENERATOR INSTALLATION - DEUTZ D2011 ENGINES
FIGURE 2-27. 4000W/60HZ GENERATOR INSTALLATION - DEUTZ TD2.9L4 ENGINES
FIGURE 2-28. 4000W/60HZ GENERATOR INSTALLATION - GM ENGINES
FIGURE 2-31. 7500W GENERATOR INSTALLATION - DEUTZ D2011 ENGINES (USA BUILT MACHINES)
FIGURE 2-32. 7500W GENERATOR INSTALLATION - DEUTZ D2011 ENGINES (ROMANIAN BUILT MACHINES)
FIGURE 2-33. 7500W GENERATOR INSTALLATION - DEUTZ D2.9L4 ENGINE
FIGURE 2-34. 7500W GENERATOR INSTALLATION - GM ENGINE MACHINES
SECTION 3 - BOOM
FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (USA BUILT MACHINES)
FIGURE 3-2. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (ROMANIAN BUILT MACHINES)
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 (ROMANIAN BUILT MACHINES)
FIGURE 3-6. MAIN BOOM ASSEMBLIES
FIGURE 3-7. ROTATOR ASSEMBLIES
FIGURE 3-8. PLATFORM SUPPORT AND CONTROL VALVES INSTALLATIONS
FIGURE 3-9. PLATFORM SUPPORT INSTALLATION - WITH LSS

SECTION 4 - PLATFORM

FIGURE 4-1. PLATFORM INSTALLATION

FIGURE 4-2. FALL ARREST PLATFORM COMPONENTS INSTALLATION (OPTIONAL)

FIGURE 4-3. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL)

FIGURE 4-4. PLATFORM CONSOLE ASSEMBLY

FIGURE 4-5. CONTROLLER ASSEMBLY (LIFT AND SWING) (ORIGINAL EQUIPMENT)

FIGURE 4-6. CONTROLLER ASSEMBLY (LIFT AND SWING) (SERVICE REPLACEMENT)

FIGURE 4-7. CONTROLLER ASSEMBLY (DRIVE AND STEER) (ORIGINAL EQUIPMENT)

FIGURE 4-8. CONTROLLER ASSEMBLY (DRIVE AND STEER) (SERVICE REPLACEMENT)

FIGURE 4-9. SKYGUARD SYSTEM INSTALLATION

FIGURE 4-10. CROSS RAIL INSTALLATION

FIGURE 4-11. SKYGLAZIER INSTALLATION - WITHOUT LSS (ANSI, CSA AND AUSTRALIAN SPECS)

FIGURE 4-12. SKYGLAZIER INSTALLATION - WITH LSS (AUSTRALIAN SPECS)

FIGURE 4-13. SKYWELDER INSTALLATION (50HZ)

FIGURE 4-14. SKYWELDER INSTALLATION (60HZ)

FIGURE 4-15. WELDER ASSEMBLY

FIGURE 4-16. SKYCUTTER INSTALLATION

FIGURE 4-17. PLASMA CUTTER ASSEMBLY

SECTION 5 - CYLINDER

FIGURE 5-1. USA BUILT MACHINES/AXLE LOCKOUT CYLINDER

FIGURE 5-2. USA BUILT MACHINES/LEVEL (PLATFORM SLAVE) CYLINDER (450A SERIES II)

PACKAGE)

FIGURE 5-5. USA BUILT MACHINES/LIFT (JIB) CYLINDER (450AJ SERIES II WITHOUT ARCTIC PACKAGE)

Show all 55 sections

FIGURE 5-6. USA BUILT MACHINES/LIFT (JIB) CYLINDER (450AJ SERIES II WITH ARCTIC PACKAGE)

FIGURE 5-7. USA BUILT MACHINES/LIFT (MAIN BOOM) CYLINDER

FIGURE 5-8. USA BUILT MACHINES/LIFT (TOWER BOOM) CYLINDER

FIGURE 5-9. USA BUILT MACHINES/MASTER CYLINDER (450A SERIES II)

FIGURE 5-10. USA BUILT MACHINES/MASTER CYLINDER (450AJ SERIES II WITHOUT ARCTIC PACKAGE)

FIGURE 5-11. USA BUILT MACHINES/MASTER CYLINDER (450AJ SERIES II WITH ARCTIC PACKAGE)

FIGURE 5-12. USA BUILT MACHINES/STEER CYLINDER

FIGURE 5-13. USA BUILT MACHINES/TELESCOPE CYLINDER (SN 0300160835 through 0300175028)

FIGURE 5-14. USA BUILT MACHINES/TELESCOPE CYLINDER (SN 0300175029 through 0300201990)

FIGURE 5-15. ROMANIAN BUILT MACHINES/AXLE LOCKOUT CYLINDER

FIGURE 5-16. ROMANIAN BUILT MACHINES/LEVEL (PLATFORM SLAVE) CYLINDER

FIGURE 5-17. ROMANIAN BUILT MACHINES/LIFT (JIB) CYLINDER

FIGURE 5-18. ROMANIAN BUILT MACHINES/LIFT (MAIN BOOM) CYLINDER

FIGURE 5-19. ROMANIAN BUILT MACHINES/LIFT (TOWER BOOM) CYLINDER

FIGURE 5-20. ROMANIAN BUILT MACHINES/MASTER CYLINDER

FIGURE 5-21. ROMANIAN BUILT MACHINES/STEER CYLINDER

FIGURE 5-22. ROMANIAN BUILT MACHINES/TELESCOPE CYLINDER

SECTION 6 - HYDRAULIC

FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM - 2WD

FIGURE 6-2. AXLE LOCKOUT HYDRAULIC DIAGRAM - 4WD

FIGURE 6-3. DRIVE HYDRAULIC DIAGRAM - 2WD

FIGURE 6-4. DRIVE HYDRAULIC DIAGRAM - 4WD

FIGURE 6-5. STANDARD HYDRAULIC DIAGRAM

FIGURE 6-6. 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

FIGURE 8-2. DECAL INSTALLATION - ANSI EXPORT SPECS

FIGURE 8-3. DECALS INSTALLATION - AUSTRALIAN AND CE SPECS6 topics

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 (406 pages). Open the sample pages (PDF, 598 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 241: SECTION 4 - PLATFORM
Parts illustration, page 337: SECTION 6 - HYDRAULIC
Parts illustration, page 385: 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 3121291$69.75

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, 406 pages

Quantity one is the manual described above.

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