JLG H800AJ Boom Lift Parts Manual
540 pages · Publication 3121771
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- Models
- H800AJ
- Serial coverage
- Prior to 0300270864
- Manual type
- Parts Manual
- Pages
- 540
- Publication
- 3121771
- Condition
- Brand new

What's inside
From the manual's own table of contents: 114 sections, 201 entries. See sample pages (PDF, 632 KB)
General50 topics
- SECTION 1 - FRAME
- FIGURE 1-1. AXLE INSTALLATION - WITHOUT TOW PACKAGE
- FIGURE 1-2. AXLE INSTALLATION - WITH TOW PACKAGE
- FIGURE 1-3. STEER INSTALLATION - WITHOUT TOW PACKAGE
- FIGURE 1-4. STEER INSTALLATION - WITH TOW PACKAGE
- FIGURE 1-5. WHEEL DRIVE AND FRAME VALVES INSTALLATION
- FIGURE 1-6. DRIVE HUB/BRAKE ASSEMBLY (Prior to SN 0300247156)
- FIGURE 1-8. DRIVE MOTOR ASSEMBLY
- FIGURE 1-9. TIRE & WHEEL INSTALLATION - 15-625 NHS FOAM-FILLED
- FIGURE 1-10. TIRE AND WHEEL INSTALLATION - 18-625 NHS FOAM-FILLED
- FIGURE 1-11. TIRE AND WHEEL INSTALLATION - 18-625 NHS FOAM-FILLED NON-MARKING (Prior to SN 0300247156)
- FIGURE 1-13. FRAME SHIELDS INSTALLATION
- FIGURE 1-14. TOW PACKAGE INSTALLATION (OPTIONAL) (ANSI, ANSI EXPORT AND CHINA SPECS)
- SECTION 2 - TURNTABLE
- FIGURE 2-1. VALVES INSTALLATION - WITHOUT LSS
- FIGURE 2-2. VALVES INSTALLATION - WITH LSS
- FIGURE 2-3. MAIN VALVE ASSEMBLY (Prior to SN 0300247156)
- FIGURE 2-5. BRAKE/2 SPEED VALVE ASSEMBLY
- FIGURE 2-6. SWING DRIVE INSTALLATION
- FIGURE 2-7. SWING MOTOR/HUB ASSEMBLY (Prior to SN 0300268294)
- FIGURE 2-9. TURNTABLE BEARING AND LUBE INSTALLATION
- FIGURE 2-10. TURNTABLE LOCK INSTALLATION
- FIGURE 2-11. ROTARY COUPLING INSTALLATION
- FIGURE 2-12. TANKS INSTALLATION
- FIGURE 2-13. HYDRAULIC TANK ASSEMBLY
- FIGURE 2-14. FUEL TANK ASSEMBLY
- FIGURE 2-15. COOLER INSTALLATION
- FIGURE 2-16. BATTERY BOXES INSTALLATION
- FIGURE 2-17. BATTERY CHARGERS INSTALLATION (FACTORY SUPPLIED 220V PLUG)
- FIGURE 2-18. BATTERY CHARGERS INSTALLATION (CUSTOMER SUPPLIED PLUG)
- FIGURE 2-19. ELECTRICAL SYSTEM INSTALLATION
- FIGURE 2-20. IMG CONTROL BOX ASSEMBLY
- FIGURE 2-21. ELECTRICAL ASSEMBLY - 12V FUSE BOX
- FIGURE 2-22. GROUND CONTROL BOX ASSEMBLY
- FIGURE 2-23. GROUND CONTROL PANEL DECAL INSTALLATION (WITHOUT MSSO)
- FIGURE 2-24. GROUND CONTROL PANEL DECAL INSTALLATION (WITH MSSO)
- FIGURE 2-25. ALARM INSTALLATION
- FIGURE 2-26. STROBE LIGHT INSTALLATION - AMBER (OPTIONAL)
- FIGURE 2-27. STROBE LIGHT INSTALLATION - BLUE (OPTIONAL) (Prior to SN 0300259698)
- FIGURE 2-29. STROBE LIGHT INSTALLATION - RED (OPTIONAL) (Prior to SN 0300259698)
- FIGURE 2-31. HEAT SHIELD AND ACCESS PANELS INSTALLATION
- FIGURE 2-32. HOODS INSTALLATION
- FIGURE 2-33. HOOD ASSEMBLY - TANK SIDE
- FIGURE 2-34. HOOD ASSEMBLY - ENGINE SIDE
- SECTION 3 - ENGINE
- FIGURE 3-1. ENGINE INSTALLATION
- FIGURE 3-2. ENGINE AND PUMPS SUB-ASSEMBLY (Prior to SN 0300259343)
- FIGURE 3-4. ENGINE AND TRAY ASSEMBLY (Prior to SN 0300259343)
- FIGURE 3-6. ENGINE AND GENERATOR ASSEMBLY (Prior to SN 0300259343)
- FIGURE 3-8. ENGINE AND CLUTCH ASSEMBLY (Prior to SN 0300259343)
Show all 115 sections
FIGURE 5-32. SKYWELDER PREP PACKAGE (60HZ)31 topics
- FIGURE 5-33. WELDER ASSEMBLY
- FIGURE 5-34. PIPE RACK INSTALLATION (ANSI AND CSA SPECS ONLY)
- FIGURE 5-35. FALL ARREST INSTALLATION (BOLT-ON EXTERNAL) (6FT/1.82M PLATFORM)
- FIGURE 5-36. FALL ARREST INSTALLATION (BOLT-ON EXTERNAL) (6FT/1.82M TRI-ENTRY PLATFORM)
- FIGURE 5-37. FALL ARREST INSTALLATION (BOLT-ON EXTERNAL) (8FT/2.4M PLATFORM)
- SECTION 6 - CYLINDER
- FIGURE 6-1. AXLE LOCKOUT CYLINDER ASSMBLY
- FIGURE 6-2. LEVEL (SLAVE) CYLINDER ASSEMBLY - JIB (Prior to SN 0300247156)
- FIGURE 6-4. LEVEL (SLAVE) CYLINDER ASSEMBLY - UPRIGHT (Prior to SN 0300247156)
- FIGURE 6-7. LIFT CYLINDER ASSEMBLY - JIB (Prior to SN 0300247156)
- FIGURE 6-9. LIFT CYLINDER ASSEMBLY - MAIN BOOM (Prior to SN 0300247156)
- FIGURE 6-12. LIFT CYLINDER ASSEMBLY - TOWER BOOM (Prior to SN 0300247156)
- FIGURE 6-15. MASTER CYLINDER ASSEMBLY (Prior to SN 0300247156)
- FIGURE 6-17. STEER CYLINDER ASSEMBLY
- FIGURE 6-18. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (Prior to SN 0300247156)
- FIGURE 6-19. TELESCOPE CYLINDER ASSEMBLY - MAIN BOOM (SN 0300247156 through 0300270863)
- FIGURE 6-20. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM (Prior to SN 0300247156)
- FIGURE 6-21. TELESCOPE CYLINDER ASSEMBLY - TOWER BOOM (SN 0300247156 through 0300270863)
- SECTION 7 - HYDRAULIC
- FIGURE 7-1. AXLE LOCKOUT HYDRAULIC DIAGRAM
- FIGURE 7-2. DRIVE HYDRAULIC DIAGRAM
- FIGURE 7-3. STANDARD HYDRAULIC DIAGRAM
- FIGURE 7-4. TOW HYDRAULIC DIAGRAM
- FIGURE 7-5. HYDRAULIC DIAGRAM LIST
- SECTION 8 - ELECTRICAL
- FIGURE 8-1. ELECTRICAL DIAGRAM LIST
- SPECS)
- GENERATOR)
- FIGURE 8-5. AC BOX AT PLATFORM INSTALLATION - 220V (ANSI, CSA & JAPANESE SPECS)
- 4000W GENERATOR)
- JAPANESE SPECS)
FIGURE 9-9. DECAL INSTALLATION - LATIN AMERICAN SPECS (ENGLISH/SPANISH LANGUAGES)6 topics
- FIGURE 9-10. DECALS INSTALLATION - OPTIONS
- SECTION 10 - RECOMMENDED SERVICE PARTS STOCK
- FIGURE 10-1. RECOMMENDED SERVICE PARTS STOCK
- SECTION 11 - SPECIAL OPTIONS
- FIGURE 11-1. SPECIAL OPTIONS
- PART NUMBER INDEX
Inside this manual
Real pages from this parts manual (540 pages). Open the sample pages (PDF, 631 KB)
- Parts illustration, page 64: SECTION 2 - TURNTABLE
- Parts illustration, page 368: FIGURE 8-1. ELECTRICAL DIAGRAM LIST
- Parts illustration, page 520: SECTION 10 - RECOMMENDED SERVICE PARTS STOCK
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the H800AJ are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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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.
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, 540 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).