JLG 800A, 800AJ Boom Lift Parts Manual

Name: JLG 800A, 800AJ Boom Lift Parts Manual
Brand: MidWestTech
SKU: 3121271
Price: 69.97 USD
Availability: InStock

326 pages · Publication 3121271

$69.97

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Models: 800A, 800AJ
Serial coverage: 0300140000-0300183033, B300000167-B3000000276, Exclude Serial Number Range: 0300174954, 0300180871, 0300181353
Manual type: Parts Manual
Pages: 326
Publication: 3121271
Condition: Brand new

JLG 800A, 800AJ Boom Lift Parts Manual, publication 3121271

What's inside

From the manual's own table of contents: 37 sections, 94 entries. See sample pages (PDF, 503 KB)

Search the contents

General57 topics

SECTION 1 - FRAME
FIGURE 1-1. AXLE AND STEERING INSTALLATION
FIGURE 1-2. TIRE AND WHEEL INSTALLATIONS
FIGURE 1-3. DRIVE HUB ASSEMBLY
FIGURE 1-4. DRIVE MOTOR ASSEMBLY
FIGURE 1-5. DRIVE VALVES AND SHIELDS INSTALLATIONS
FIGURE 1-6. TOW PACKAGE INSTALLATION (2WS ONLY) (ANSI, ANSI EXPORT AND CE)
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 2-6. SWING MOTOR/HUB ASSEMBLY
FIGURE 2-7. CATERPILLAR ENGINE INSTALLATION
FIGURE 2-8. DEUTZ ENGINE INSTALLATION
FIGURE 2-9. GM ENGINE INSTALLATION
FIGURE 2-10. PISTON PUMP ASSEMBLY (SAUER DANFOSS)
FIGURE 2-11. PISTON PUMP ASSEMBLY (EATON)
FIGURE 2-12. TANK INSTALLATIONS
FIGURE 2-13. LP TANK INSTALLATIONS (GM ENGINE MACHINES ONLY)
FIGURE 2-14. ROTARY COUPLING INSTALLATION
FIGURE 2-15. GROUND CONTROL BOX ASSEMBLY
FIGURE 2-16. ELECTRICAL OPTIONS INSTALLATIONS (TURNTABLE MOUNTED)
FIGURE 2-17. HOODS INSTALLATION (ABS)
FIGURE 2-18. HOODS INSTALLATION (STEEL)
FIGURE 2-19. ENGINE TRAY JACK INSTALLATION (OPTIONAL)
FIGURE 2-20. 2500W GENERATOR INSTALLATION - CATERPILLAR MACHINES (OPTIONAL)
FIGURE 2-21. 2500W GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL)
FIGURE 2-22. 2500W GENERATOR INSTALLATION - GM MACHINES (OPTIONAL)
FIGURE 2-23. 7500W SKYPOWER GENERATOR INSTALLATION - CATERPILLAR AND DEUTZ MACHINES
FIGURE 2-24. 7500W SKYPOWER GENERATOR INSTALLATION - GM MACHINES
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
FIGURE 3-6. VALVE AND LIMIT SWITCH INSTALLATIONS (BOOM MOUNTED)
SECTION 4 - PLATFORM
FIGURE 4-1. PLATFORM COMPONENTS INSTALLATION
FIGURE 4-2. PLATFORM COMPONENTS INSTALLATION (FALL ARREST PLATFORM)
FIGURE 4-3. PLATFORM CONSOLE ASSEMBLY
FIGURE 4-4. CONTROLLER ASSEMBLY (LIFT AND SWING)
FIGURE 4-5. CONTROLLER ASSEMBLY (LIFT AND SWING)
FIGURE 4-6. CONTROLLER ASSEMBLY (LIFT AND SWING)
FIGURE 4-7. CONTROLLER ASSEMBLY (DRIVE AND STEER)
FIGURE 4-8. CONTROLLER ASSEMBLY (DRIVE AND STEER)
FIGURE 4-9. CONTROLLER ASSEMBLY (DRIVE AND STEER)
FIGURE 4-10. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL)
SECTION 5 - CYLINDER
FIGURE 5-1. AXLE LOCKOUT CYLINDER ASSEMBLY
FIGURE 5-2. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800A) (ORIGINAL EQUIPMENT)
FIGURE 5-3. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800A ONLY) (SERVICE REPLACEMNT)
FIGURE 5-4. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800AJ)
FIGURE 5-5. LEVEL CYLINDER ASSEMBLY - PLATFORM SLAVE (800AJ ONLY) (SERVICE REPLACEMNT)
FIGURE 5-6. LEVEL CYLINDER ASSEMBLY - UPRIGHT (ORIGINAL EQUIPMENT)

FIGURE 5-7. LEVEL CYLINDER ASSEMBLY - UPRIGHT (SERVICE REPLACEMENT)

FIGURE 5-8. LIFT CYLINDER ASSEMBLY - JIB (800AJ ONLY)

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

FIGURE 5-10. LIFT CYLINDER ASSEMBLY - JIB (800AJ ONLY) (USAGE MAY VARY) (SERVICE REPLACEMENT)

FIGURE 5-11. LIFT CYLINDER ASSEMBLY - MAIN BOOM (ORIGINAL EQUIPMENT)

FIGURE 5-12. LIFT CYLINDER ASSEMBLY - MAIN BOOM (SERVICE REPLACEMENT)

FIGURE 5-13. LIFT CYLINDER ASSEMBLY - TOWER BOOM (ORIGINAL EQUIPMENT)

FIGURE 5-14. LIFT CYLINDER ASSEMBLY - TOWER BOOM (SERVICE REPLACEMENT)

FIGURE 5-15. MASTER CYLINDER ASSEMBLY - 800A (ORIGINAL EQUIPMENT)

FIGURE 5-16. MASTER CYLINDER ASSEMBLY (800A) (SERVICE REPLACEMENT)

FIGURE 5-17. MASTER CYLINDER ASSEMBLY - 800AJ

FIGURE 5-18. MASTER CYLINDER ASSEMBLY (800AJ) (SERVICE REPLACEMENT)

FIGURE 5-21. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM

FIGURE 5-22. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (800A) (SERVICE REPLACEMENT)

FIGURE 5-23. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (800AJ) (SERVICE REPLACEMENT)

FIGURE 5-24. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM

FIGURE 5-25. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM (SERVICE REPLACEMENT)

SECTION 6 - HYDRAULIC

FIGURE 6-1. AXLE LOCKOUT HYDRAULIC DIAGRAM

FIGURE 6-2. DRIVE HYDRAULIC DIAGRAM - 2WD

FIGURE 6-3. DRIVE HYDRAULIC DIAGRAM - 4WD/2WS

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

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

Show all 38 sections

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 (COUNTRY SPEC)

FIGURE 8-3. DECAL INSTALLATION (AUSTRALIAN AND CE SPEC)

SECTION 9 - RECOMMENDED SERVICE PARTS STOCK

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 (326 pages). Open the sample pages (PDF, 502 KB)

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

Parts illustration, page 161: SECTION 3 - BOOM
Parts illustration, page 201: SECTION 5 - CYLINDER
Parts illustration, page 241: SECTION 5 - CYLINDER

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 3121271$69.97

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, 326 pages

Quantity one is the manual described above.

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Other editions and similar models

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