JLG 800A, 800AJ Boom Lift Parts Manual

Name: JLG 800A, 800AJ Boom Lift Parts Manual
Brand: MidWestTech
SKU: 3121176
Price: 69.97 USD
Availability: InStock

456 pages · Publication 3121176

$69.97

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Models: 800A, 800AJ
Serial coverage: Prior to B300000167, 0300069000-0300139999
Manual type: Parts Manual
Pages: 456
Publication: 3121176
Condition: Brand new

JLG 800A, 800AJ Boom Lift Parts Manual, publication 3121176

What's inside

From the manual's own table of contents: 46 sections, 87 entries. See sample pages (PDF, 592 KB)

Search the contents

General36 topics

SECTION 1 - FRAME
FIGURE 1-1. AXLE AND STEERING INSTALLATION
FIGURE 1-2. TIRE AND WHEEL INSTALLATIONS
FIGURE 1-8. DRIVE VALVES AND SHIELDS INSTALLATIONS (SN 0300069000 through 0300083331)
FIGURE 1-9. DRIVE VALVES AND SHIELDS INSTALLATIONS (SN 0300083332 through 0300140000)
FIGURE 1-10. TOW PACKAGE INSTALLATION (2WS ONLY)
SECTION 2 - TURNTABLE
FIGURE 2-1. CONTROL VALVES AND HORN INSTALLATIONS
FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY
FIGURE 2-3. ACCESSORY VALVE ASSEMBLY
FIGURE 2-4. AUXILIARY PUMP ASSEMBLY
FIGURE 2-5. TURNTABLE BEARING AND SWING DRIVE INSTALLATION
FIGURE 2-8. CATERPILLAR ENGINE INSTALLATION (SN 0300069000 through 0300139399)
FIGURE 2-9. CATERPILLAR ENGINE INSTALLATION (SN 0300139400 through 0300140000)
FIGURE 2-12. FORD ENGINE INSTALLATION - NON-UL SPEC MACHINES (SN 0300069000 through 0300077499)
FIGURE 2-15. DUAL FUEL INSTALLATION (GAS MACHINES OPTIONS)
FIGURE 2-17. PISTON PUMP ASSEMBLY
FIGURE 2-18. TANK INSTALLATIONS
FIGURE 2-22. GROUND CONTROL BOX ASSEMBLY (WITHOUT UGM)
FIGURE 2-23. GROUND CONTROL BOX ASSEMBLY (WITH UGM)
FIGURE 2-24. ELECTRICAL OPTIONS INSTALLATION (TURNTABLE MOUNTED)
FIGURE 2-27. ENGINE TRAY JACK INSTALLATION (OPTIONAL)
FIGURE 2-28. 2500W GENERATOR INSTALLATION - CATERPILLAR MACHINES (OPTIONAL)
FIGURE 2-29. 2500W GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL)
FIGURE 2-32. 2500W GENERATOR INSTALLATION - GM MACHINES (OPTIONAL)
SPECS)
FIGURE 2-34. 7500W SKYPOWER GENERATOR INSTALLATION - FORD MACHINES (ANSI AND CSA SPECS)
FIGURE 2-35. 7500W SKYPOWER GENERATOR INSTALLATION - GM MACHINES (ANSI AND CSA SPECS)
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 ASSEMBLY (FRONT ENTRY PLATFORM)
FIGURE 3-6. ROTATOR ASSEMBLY (SIDE ENTRY PLATFORM)
FIGURE 3-7. VALVE AND LIMIT SWITCH INSTALLATIONS (BOOM MOUNTED)

SECTION 4 - PLATFORM

FIGURE 4-1. PLATFORM COMPONENTS INSTALLATION (FRONT ENTRY PLATFORM)

FIGURE 4-2. PLATFORM COMPONENTS INSTALLATION (SIDE ENTRY PLATFORM)

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

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

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

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

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

FIGURE 4-10. CONTROLLER ASSEMBLY (DRIVE AND STEER)

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

FIGURE 4-12. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL)

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)

Show all 47 sections

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)

SECTION 6 - HYDRAULIC

FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM

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

FIGURE 6-7. STANDARD HYDRAULIC DIAGRAM (WITH BUCHER BRAND AUXILIARY PUMP)

FIGURE 6-8. HYDRAULIC DIAGRAM LIST

SECTION 7 - ELECTRICAL

FIGURE 7-1. ELECTRICAL DIAGRAM LIST

FIGURE 7-2. HARNESS COMPONENTS INSTALLATION WITHOUT UGM

FIGURE 7-3. HARNESS COMPONENTS INSTALLATION WITH UGM

SECTION 8 - DECALS

SECTION 9 - RECOMMENDED SERVICE PARTS STOCK5 topics

FIGURE 9-1. MODEL 800A/800AJ STANDARD PARTS
FIGURE 9-2. MODEL 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 (456 pages). Open the sample pages (PDF, 591 KB)

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

Parts illustration, page 63: FIGURE 2-5. TURNTABLE BEARING AND SWING DRIVE INSTALLATION
Parts illustration, page 259: SECTION 4 - PLATFORM
Parts illustration, page 434: 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 3121176$69.97

Service manuals

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

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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, 456 pages

Quantity one is the manual described above.

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Other editions and similar models

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