JLG 800A, 800AJ Boom Lift Parts Manual

Name: JLG 800A, 800AJ Boom Lift Parts Manual
Brand: MidWestTech
SKU: 3120859
Price: 69.75 USD
Availability: InStock

288 pages · Publication 3120859

$69.75

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Models: 800A, 800AJ
Serial coverage: Prior to 0300069000
Manual type: Parts Manual
Pages: 288
Publication: 3120859
Condition: Brand new

JLG 800A, 800AJ Boom Lift Parts Manual, publication 3120859

What's inside

From the manual's own table of contents: 42 sections, 85 entries. See sample pages (PDF, 514 KB)

Search the contents

General43 topics

SECTION 1 - FRAME
FIGURE 1-1. AXLE AND STEERING INSTALLATION
FIGURE 1-2. TIRE AND WHEEL DRIVE INSTALLATIONS
FIGURE 1-3. DRIVE BRAKE ASSEMBLY
FIGURE 1-4. DRIVE HUB ASSEMBLIES
FIGURE 1-5. DRIVE MOTOR ASSEMBLY
FIGURE 1-6. DRIVE VALVES INSTALLATIONS
SECTION 2 - TURNTABLE
FIGURE 2-1. CONTROL VALVES INSTALLATIONS
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY
FIGURE 2-3. ACCESSORY VALVE ASSEMBLY
FIGURE 2-4. TURNTABLE AND SWING DRIVE INSTALLATIONS (Prior to SN 0300068040)
FIGURE 2-5. TURNTABLE AND SWING DRIVE INSTALLATIONS (SN 0300068040 through 0300069000)
FIGURE 2-6. SWING HUB ASSEMBLY (Prior to SN 0300068040)
FIGURE 2-7. SWING BRAKE ASSEMBLY (Prior to SN 0300068040)
FIGURE 2-8. SWING MOTOR ASSEMBLY (Prior to SN 0300068040)
FIGURE 2-10. DEUTZ ENGINE INSTALLATION
FIGURE 2-11. GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL)
FIGURE 2-12. PISTON PUMP ASSEMBLY
FIGURE 2-13. TANK INSTALLATIONS
FIGURE 2-14. ROTARY COUPLING INSTALLATION
FIGURE 2-15. GROUND CONTROL BOX ASSEMBLY (Prior to SN 0300064432)
FIGURE 2-17. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED)
FIGURE 2-18. HOODS INSTALLATION
FIGURE 2-19. ENGINE TRAY JACK INSTALLATION (OPTIONAL)
SECTION 3 - BOOM
FIGURE 3-1. BOOM AND CYLINDER INSTALLATION - 800A
FIGURE 3-2. BOOM AND CYLINDER INSTALLATION - 800AJ
FIGURE 3-3. TOWER BOOM ASSEMBLY
FIGURE 3-4. MAIN BOOM ASSEMBLIES
FIGURE 3-5. ROTATOR ASSEMBLIES (FRONT ENTRY PLATFORM)
FIGURE 3-6. ROTATOR ASSEMBLIES (SIDE ENTRY PLATFORM)
FIGURE 3-7. VALVE AND LIMIT SWITCH INSTALLATIONS (BOOM MOUNTED)
SECTION 4 - PLATFORM
FIGURE 4-1. PLATFORM COMPONENTS INSTALLATION (FRONT ENTRY)
FIGURE 4-2. PLATFORM COMPONENTS INSTALLATION (SIDE ENTRY)
FIGURE 4-3. PLATFORM CONSOLE ASSEMBLY (Prior to SN 0300064432)
FIGURE 4-4. PLATFORM CONSOLE ASSEMBLY (WITH ADE SYSTEM) (SN 0300064432 through 0300069000)
FIGURE 4-5. CONTROLLER ASSEMBLY (SWING AND LIFT) (Prior to SN 0300064432)
FIGURE 4-9. CONTROLLER ASSEMBLY (DRIVE AND STEER) (Prior to SN 0300064432)
FIGURE 4-13. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL)
FIGURE 4-14. LOAD SENSING SYSTEM INSTALLATION (FRENCH SPEC) (Prior to SN 0300067883)
SECTION 5 - CYLINDER

FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY

FIGURE 5-2. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE

FIGURE 5-3. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800A ONLY) (SERVICE REPLACEMENT)

FIGURE 5-4. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800AJ ONLY) (SERVICE REPLACEMENT)

FIGURE 5-5. LEVEL CYLINDER ASSEMBLY - UPRIGHT

FIGURE 5-6. LEVEL CYLINDER ASSEMBLY - UPRIGHT (SERVICE REPLACEMENT)

FIGURE 5-7. LIFT CYLINDER ASSEMBLY - JIB (800AJ ONLY) (ORIGINAL EQUIPMENT)

FIGURE 5-8. LIFT CYLINDER ASSEMBLY - JIB (800AJ ONLY) (USAGE MAY VARY) (SERVICE REPLACEMENT)

FIGURE 5-9. LIFT CYLINDER ASSEMBLY - JIB (800AJ ONLY) (USAGE MAY VARY) (SERVICE REPLACEMENT)

FIGURE 5-10. LIFT CYLINDER ASSEMBLY - MAIN BOOM (ORIGINAL EQUIPMENT)

FIGURE 5-11. LIFT CYLINDER ASSEMBLY - MAIN BOOM (SERVICE REPLACEMENT)

FIGURE 5-12. LIFT CYLINDER ASSEMBLY - TOWER BOOM (ORIGINAL EQUIPMENT)

FIGURE 5-13. LIFT CYLINDER ASSEMBLY - TOWER BOOM (SERVICE REPLACEMENT)

FIGURE 5-14. MASTER CYLINDER ASSEMBLY - 800A (ORIGINAL EQUIPMENT)

FIGURE 5-15. MASTER CYLINDER ASSEMBLY (800A) (SERVICE REPLACEMENT)

FIGURE 5-16. MASTER CYLINDER ASSEMBLY- 800AJ (ORIGINAL EQUIPMENT)

FIGURE 5-17. MASTER CYLINDER ASSEMBLY (800AJ) (SERVICE REPLACEMENT)

FIGURE 5-18. STEER CYLINDER ASSEMBLY

FIGURE 5-19. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM

FIGURE 5-20. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (800A) (SERVICE REPLACEMENT)

FIGURE 5-21. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (800AJ) (SERVICE REPLACEMENT)

FIGURE 5-22. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM

FIGURE 5-23. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM (SERVICE REPLACEMENT)

Show all 43 sections

SECTION 6 - HYDRAULIC

FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM

FIGURE 6-2. DRIVE HYDRAULIC DIAGRAM - 2WD

FIGURE 6-3. DRIVE HYDRAULIC DIAGRAM - 4WD

FIGURE 6-4. STANDARD HYDRAULIC DIAGRAM (WITH FENNER AND HALDEX BRAND AUXILIARY PUMP)

FIGURE 6-5. STANDARD HYDRAULIC DIAGRAM (WITH BUCHER BRAND AUXILIARY PUMP)

FIGURE 6-6. HYDRAULIC DIAGRAM LIST

SECTION 7 - ELECTRICAL

FIGURE 7-1. ELECTRICAL DIAGRAM LIST

FIGURE 7-2. HARNESS COMPONENTS INSTALLATION (Prior to SN 0300064432)

FIGURE 7-3. HARNESS COMPONENTS INSTALLATION (WITH ADE SYSTEM) (SN 0300064432 through 0300069000)

SECTION 8 - DECALS

FIGURE 8-1. DECALS INSTALLATION

SECTION 9 - RECOMMENDED SERVICE PARTS STOCK

FIGURE 9-1. MODELS 800A/800AJ STANDARD PARTS

FIGURE 9-2. MODELS 800A/800AJ VARIABLE PARTS

SECTION 10 - SPECIAL OPTIONS

FIGURE 10-1. SPECIAL OPTIONS

PART NUMBER INDEX

Inside this manual

Real pages from this parts manual (288 pages). Open the sample pages (PDF, 513 KB)

Sample pages from the JLG 800A, 800AJ Boom Lift Parts Manual: Parts illustration, Parts illustration, Parts illustration

Parts illustration, page 62: PART NUMBER
Parts illustration, page 242: SECTION 6 - HYDRAULIC
Parts illustration, page 274: SECTION 10 - SPECIAL OPTIONS

Other manuals for this machine

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

Your model

This manual: Parts Manual 3120859$69.75

Service manuals

Service Manual 3120740 · 526 pagesCovers 800A, 800AJSerial: Prior to 0300183034, Prior to B300000276, Exclude Serial Number Range: 0300174954, 0300180871, 0300181353$69.81Details

Service Manual 3120858 · 494 pagesCovers 800A, 800AJSerial: Prior to 0300183034, Prior to B300000276, Exclude Serial Number Range: 0300174954, 0300180871, 0300181353$69.87Details

Service Manual 3121628 · 642 pagesCovers 800A, 800AJSerial: 0300174954, 0300180871, 0300181353, 0300183034-0300272376$69.51Details

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, 288 pages

Quantity one is the manual described above.

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