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JLG 340AJ Boom Lift Parts Manual

536 pages · Publication 31215005

$69.95
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Models
340AJ
Manual type
Parts Manual
Pages
536
Publication
31215005
Condition
Brand new
JLG 340AJ Boom Lift Parts Manual, publication 31215005

What's inside

From the manual's own table of contents: 103 sections, 204 entries. See sample pages (PDF, 639 KB)

General53 topics
  • SECTION 1 - FRAME
  • FIGURE 1-1. STEERING INSTALLATION
  • FIGURE 1-2. OSCILLATING AXLE INSTALLATION
  • FIGURE 1-3. DRIVE VALVES INSTALLATION
  • FIGURE 1-4. FLOW DIVIDER VALVE ASSEMBLY
  • FIGURE 1-5. DRIVE INSTALLATION
  • FIGURE 1-6. DRIVE MOTOR ASSEMBLY
  • FIGURE 1-7. DRIVE HUB/BRAKE ASSEMBLY
  • FIGURE 1-8. TIRE AND WHEEL INSTALLATION - 7X18 SOLID CUSHION
  • FIGURE 1-9. TIRE AND WHEEL INSTALLATION - 7X18 SOLID CUSHION NON-MARKING
  • FIGURE 1-10. TIRE AND WHEEL INSTALLATION - 9X20 FOAM-FILLED
  • FIGURE 1-11. TIRE AND WHEEL INSTALLATION - 9X20 FOAM-FILLED NON-MARKING
  • FIGURE 1-12. TIRE AND WHEEL INSTALLATION - 33 X 12LL500 TURF/SAND FOAM FILLED
  • FIGURE 1-13. FRAME SHIELDS INSTALLATION
  • FIGURE 1-14. LP TANK ASSEMBLY
  • SECTION 2 - TURNTABLE
  • FIGURE 2-1. CONTROL VALVE AND CHARGE FILTER INSTALLATION
  • FIGURE 2-2. MAIN CONTROL VALVE ASSEMBLY
  • FIGURE 2-3. SWING DRIVE INSTALLATION (JING WEI)
  • FIGURE 2-4. SWING MOTOR ASSEMBLY
  • FIGURE 2-5. SWING BEARING ASSEMBLY
  • FIGURE 2-6. TANK INSTALLATION (DIESEL MACHINES)
  • FIGURE 2-7. TANK INSTALLATION (GAS MACHINES)
  • FIGURE 2-8. HYDRAULIC TANK ASSEMBLY
  • FIGURE 2-9. FUEL TANK ASSEMBLY (DIESEL MACHINES)
  • FIGURE 2-10. FUEL TANK ASSEMBLY (GAS MACHINES)
  • FIGURE 2-11. ELECTRICAL COMPONENTS INSTALLATION (ALL SPECS EXCEPT CE) (PVC 2001)
  • FIGURE 2-12. ELECTRICAL COMPONENTS INSTALLATION (CE SPEC)
  • FIGURE 2-13. GROUND CONTROL ASSEMBLY (ALL SPECS EXCEPT CE)
  • FIGURE 2-14. GROUND CONTROL ASSEMBLY (CE SPEC)
  • FIGURE 2-15. LIGHT PANEL INSTALLATION
  • FIGURE 2-16. KEY SWITCH INSTALLATION
  • FIGURE 2-17. BATTERY INSTALLATION
  • FIGURE 2-18. WHITE NOISE ALARM INSTALLATION
  • FIGURE 2-19. STROBE LIGHT INSTALLATION (AMBER) (OPTIONAL)
  • FIGURE 2-20. STROBE LIGHT INSTALLATION (BLUE) (OPTIONAL)
  • FIGURE 2-21. STROBE LIGHT INSTALLATION (RED) (OPTIONAL)
  • FIGURE 2-22. TURNTABLE FLOODLIGHT INSTALLATION (OPTIONAL)
  • FIGURE 2-23. HEAD AND TAIL LIGHT INSTALLATION (OPTIONAL)
  • FIGURE 2-24. HOODS INSTALLATION
  • FIGURE 2-25. ENGINE SIDE HOOD ASSEMBLY
  • FIGURE 2-26. TANK SIDE HOOD ASSEMBLY
  • FIGURE 2-27. HOOD COMPONENTS - KUBOTA ENGINE (WITHOUT ARCTIC PACKAGE) (PVC 2001)
  • FIGURE 2-28. HOOD COMPONENTS - KUBOTA ENGINE (WITHOUT ARCTIC PACKAGE) (PVC 2007)
  • FIGURE 2-29. HOOD COMPONENTS - KUBOTA ENGINE (WITH ARCTIC PACKAGE) (PVC 2001)
  • FIGURE 2-30. HOOD COMPONENTS - KUBOTA ENGINE (WITH ARCTIC PACKAGE) (PVC 2007)
  • FIGURE 2-35. HOOD COMPONENTS - GM ENGINE (WITHOUT ARCTIC PACKAGE)
  • FIGURE 2-36. HOOD COMPONENTS - GM ENGINE (WITH ARCTIC PACKAGE)
  • SECTION 3 - ENGINE
  • FIGURE 3-1. GM ENGINE INSTALLATION (WITHOUT ARCTIC PACKAGE)
  • FIGURE 3-2. GM ENGINE INSTALLATION (WITH ARCTIC PACKAGE)
  • FIGURE 3-3. GM ENGINE AND PUMP SUB-ASSEMBLY
  • FIGURE 3-4. GM ENGINE ASSEMBLY
FIGURE 3-5. KUBOTA ENGINE INSTALLATION (WITHOUT ARCTIC PACKAGE) (PVC 2001)
FIGURE 3-6. KUBOTA ENGINE INSTALLATION (WITHOUT ARCTIC PACKAGE) (PVC 2007)
FIGURE 3-7. KUBOTA ENGINE INSTALLATION WITH 4000W GENERATOR (WITHOUT ARCTIC PACKAGE) (PVC 2001)
FIGURE 3-8. KUBOTA ENGINE INSTALLATION WITH 4000W GENERATOR (WITHOUT ARCTIC PACKAGE) (PVC 2007)
FIGURE 3-9. KUBOTA ENGINE INSTALLATION (WITH ARCTIC PACKAGE) (PVC 2001)
FIGURE 3-10. KUBOTA ENGINE INSTALLATION (WITH ARCTIC PACKAGE) (PVC 2007)
FIGURE 3-11. KUBOTA ENGINE INSTALLATION WITH 4000W GENERATOR (WITH ARCTIC PACKAGE) (PVC 2001)
FIGURE 3-12. KUBOTA ENGINE INSTALLATION WITH 4000W GENERATOR (WITH ARCTIC PACKAGE) (PVC 2007)
FIGURE 3-13. KUBOTA ENGINE AND PUMP SUB-ASSEMBLY
FIGURE 3-14. KUBOTA ENGINE WITH 4000W GENERATOR AND PUMP SUB-ASSEMBLY
FIGURE 3-15. KUBOTA ENGINE ASSEMBLY
FIGURE 3-16. KUBOTA ENGINE ASSEMBLY WITH 4000W GENERATOR
FIGURE 3-17. KUBOTA ENGINE COMPONENTS
FIGURE 3-18. CATALYTIC MUFFLER INSTALLATION - KUBOTA ENGINE (OPTIONAL)
FIGURE 3-19. FUEL/WATER SEPARATOR ASSEMBLY (KUBOTAT ENGNIES) (PVC2007)
FIGURE 3-20. AXIAL PUMP ASSEMBLY
FIGURE 3-21. GEAR PUMP ASSEMBLY
AND CHINA SPECS)
FIGURE 3-23. 2800W GENERATOR INSTALLATION - KUBOTA ENGINE MACHINES 120V/50HZ GENERATOR
EXPORT, AUSTRALIAN, CE AND CHINA SPECS)
EXPORT, CHINA, CSA AND JAPANESE SPECS)
CHINA AND CSA SPECS)
EXPORT, CHINA AND CSA SPECS)
Show all 104 sections
EXPORT, AUSTRALIAN, CE, CHINA AND JAPANESE SPECS)
SECTION 4 - BOOM
FIGURE 4-1. BOOM AND CYLINDERS INSTALLATION - WITHOUT ARCTIC PACKAGE
FIGURE 4-2. BOOM AND CYLINDERS INSTALLATION - WITH ARCTIC PACKAGE
FIGURE 4-3. TOWER BOOM ASSEMBLY
FIGURE 4-4. MAIN BOOM ASSEMBLY
FIGURE 4-5. JIB ASSEMBLY - WITHOUT ARCTIC PACKAGE
FIGURE 4-6. JIB ASSEMBLY - WITH ARCTIC PACKAGE
FIGURE 4-7. PLATFORM ROTATOR ASSEMBLY - WITHOUT ARCTIC PACKAGE
FIGURE 4-8. PLATFORM ROTATOR ASSEMBLY - WITH ARCTIC PACKAGE
FIGURE 4-9. PLATFORM SUPPORT INSTALLATION - WITH 1 CELL LSS (PVC 2001)
FIGURE 4-10. PLATFORM SUPPORT INSTALLATION - WITH 1 CELL LSS (PVC 2007)
FIGURE 4-11. POWER TRACK INSTALLATION
FIGURE 4-12. CONTROL VALVES INSTALLATION - BOOM
FIGURE 4-13. FLY BOOM VALVE ASSEMBLY
FIGURE 4-14. BOOM UPRIGHT VALVE ASSEMBLY
SECTION 5 - PLATFORM
FIGURE 5-1. PLATFORM ASSEMBLY - 30IN X 4FT (76CM X 1.22M) - GATE ENTRY
FIGURE 5-2. PLATFORM ASSEMBLY - 30IN X 5FT (76CM X 1.52M) - GATE ENTRY
FIGURE 5-3. PLATFORM ASSEMBLY - 30IN X 4FT (76CM X 1.22M) - DROP BAR ENTRY
FIGURE 5-4. PLATFORM ASSEMBLY - 30IN X 5FT (76CM X 1.52M) - DROP BAR ENTRY
FIGURE 5-5. PLATFORM ASSEMBLY - 30IN X 3FT (76CM X .91M) - DROP BAR ENTRY
FIGURE 5-6. TRAY INSTALLATION
FIGURE 5-7. CONSOLE AND FOOTSWITCH INSTALLATION - DIESEL MACHINES
FIGURE 5-8. CONSOLE AND FOOTSWITCH INSTALLATION - GAS MACHINES
FIGURE 5-9. CONSOLE ASSEMBLY
FIGURE 5-10. LIFT/SWING CONTROLLER ASSEMBLY
FIGURE 5-11. DRIVE/STEER CONTROLLER ASSEMBLY
FIGURE 5-12. LIGHT PANEL INSTALLATION
FIGURE 5-13. FOOTSWITCH ASSEMBLY48 topics
  • FIGURE 5-14. SKYEYE INSTALLATION
  • FIGURE 5-15. SKYGUARD BAR INSTALLATION
  • FIGURE 5-16. SKYLINE INSTALLATION
  • FIGURE 5-17. PIPE RACK INSTALLATION (AUSTRALIAN SPEC)
  • FIGURE 5-18. WORKLIGHTS INSTALLATION (OPTIONAL)
  • FIGURE 5-19. FALL ARREST INSTALLATION (BOLT-ON) (4FT/1.22M PLATFORM)
  • FIGURE 5-20. FALL ARREST INSTALLATION (BOLT-ON) (5FT/1.52M PLATFORM)
  • SECTION 6 - CYLINDER
  • FIGURE 6-1. AXLE LOCKOUT CYLINDER ASSEMBLY
  • FIGURE 6-2. LEVEL (PLATFORM SLAVE) CYLINDER ASSEMBLY
  • FIGURE 6-3. LIFT (JIB) CYLINDER ASSEMBLY
  • FIGURE 6-4. LIFT (MAIN BOOM) CYLINDER ASSEMBLY
  • FIGURE 6-5. LIFT (TOWER BOOM) CYLINDER ASSEMBLY
  • FIGURE 6-6. MASTER CYLINDER ASSEMBLY
  • FIGURE 6-7. STEER CYLINDER ASSEMBLY
  • FIGURE 6-8. TELESCOPE CYLINDER ASSEMBLY
  • SECTION 7 - HYDRAULIC
  • FIGURE 7-1. HYDRAULIC INSTALLATION - WITHOUT ARCTIC PACKAGE
  • FIGURE 7-2. HYDRAULIC INSTALLATION - WITH ARCTIC PACKAGE
  • SECTION 8 - ELECTRICAL
  • AND CHINA SPECS)
  • FIGURE 8-2. AC BOX AT PLATFORM INSTALLATION - LOCALLY SUPPLIED (CE SPEC)
  • FIGURE 8-4. AC BOX AT PLATFORM INSTALLATION - 110V IEC YELLOW WITHOUT 4000W GENERATOR (CE SPEC)
  • FIGURE 8-5. AC BOX AT PLATFORM INSTALLATION - 110V IEC YELLOW WITH 4000W GENERATOR (CE SPECS)
  • FIGURE 8-6. AC BOX AT PLATFORM INSTALLATION - 220V (CSA SPEC)
  • FIGURE 8-7. AC BOX AT PLATFORM INSTALLATION - 220V IEC BLUE WITHOUT 4000W GENERATOR (CE SPEC)
  • FIGURE 8-8. AC BOX AT PLATFORM INSTALLATION - 220V IEC BLUE WITH 4000W GENERATOR (CE SPECS)
  • GENERATOR (CE SPEC)
  • (CE SPECS)
  • SPECS)
  • AUSTRALIAN, CHINA AND JAPANESE SPECS)
  • FIGURE 8-16. AC POWER TO PLATFORM CABLE - MAIN BOOM (WITHOUT ARCTIC PACKAGE) (50HZ)
  • FIGURE 8-17. AC POWER TO PLATFORM CABLE - MAIN BOOM (WITH ARCTIC PACKAGE) (50HZ)
  • FIGURE 8-18. AC POWER TO PLATFORM CABLE - MAIN BOOM (60HZ)
  • FIGURE 8-19. AC POWER TO PLATFORM CABLE - TOWER BOOM (WITHOUT ARCTIC PACKAGE) (50HZ)
  • FIGURE 8-20. AC POWER TO PLATFORM CABLE - TOWER BOOM (WITH ARCTIC PACKAGE) (50HZ)
  • FIGURE 8-21. AC POWER TO PLATFORM CABLE - TOWER BOOM (60HZ)
  • FIGURE 8-22. BATTERY DISCONNECT SWITCH
  • FIGURE 8-23. BOOM CABLES, HARNESSES AND CLAMPS INSTALLATION - WITHOUT ARCTIC PACKAGE
  • FIGURE 8-24. BOOM CABLES, HARNESSES AND CLAMPS INSTALLATION - WITH ARCTIC PACKAGE
  • FIGURE 8-25. BOOM CABLES AND CLAMPS INSTALLATION - 4000W, 50HZ - WITHOUT ARCTIC PACKAGE
  • FIGURE 8-26. BOOM CABLES AND CLAMPS INSTALLATION - 4000W, 50HZ - WITH ARCTIC PACKAGE
  • FIGURE 8-27. BOOM CABLES AND CLAMPS INSTALLATION - 4000W, 60HZ - WITHOUT ARCTIC PACKAGE
  • FIGURE 8-28. BOOM CABLES AND CLAMPS INSTALLATION - 4000W, 60HZ - WITH ARCTIC PACKAGE
  • FIGURE 8-29. BOOM HARNESS - LIMIT SWITCHES AND UPRIGHT VALVE
  • FIGURE 8-30. BOOM HARNESS - MAIN
  • FIGURE 8-31. BREAKER BOX INSTALLATION
  • FIGURE 8-32. BREAKER BOX KIT (CE SPEC)
FIGURE 8-33. CHASSIS HARNESS ASSEMBLY
FIGURE 8-34. CHASSIS LIGHT HARNESS
FIGURE 8-35. ENGINE HARNESS - KUBOTA ENGINE
FIGURE 8-36. FUEL PUMP HARNESS - GM ENGINES
FIGURE 8-37. GENERATOR HARNESS - 2500W
FIGURE 8-38. GENERATOR HARNESS - 4000W
FIGURE 8-40. GENERATOR TO AC PLUG HARNESS - 2800W GENERATOR 110/50HZ (CE SPECS ONLY)
SPECS)
AND JAPANESE SPECS)
FIGURE 8-45. GROUND TO PLATFORM CABLE - MAIN BOOM (WITHOUT ARCTIC PACKAGE)
FIGURE 8-46. GROUND TO PLATFORM CABLE - MAIN BOOM (WITH ARCTIC PACKAGE)
FIGURE 8-47. GROUND TO PLATFORM CABLE - TOWER BOOM (WITHOUT ARCTIC PACKAGE)
FIGURE 8-48. GROUND TO PLATFORM CABLE - TOWER BOOM (WITH ARCTIC PACKAGE)
FIGURE 8-49. GROUND CONTROL HARNESS
FIGURE 8-50. GENERATOR TO PLATFORM HARNESS
FIGURE 8-51. LIMIT SWITCH HARNESS
FIGURE 8-52. LSS HARNESS
FIGURE 8-53. MID-ENGINE HARNESS
FIGURE 8-54. PLATFORM BOX HARNESS ASSEMBLY
FIGURE 8-55. RECEPTACLE BOX KIT - 110V IEC YELLOW (CE SPEC)
FIGURE 8-56. RECEPTACLE BOX KIT - 220V IEC BLUE (CE SPEC)
FIGURE 8-57. RECEPTACLE BOX KIT - 220V CEE7 POST GROUND 70MM X 70MM BOX (CE SPEC)
FIGURE 8-58. RECEPTACLE BOX KIT - 220V CEE7 SIDE GROUND 70MM X 70MM BOX (CE SPEC)
FIGURE 8-59. RECEPTACLE BOX KIT - 220V CEE7 POST GROUND 2IN X 4IN BOX (CE SPEC)
FIGURE 8-60. RECEPTACLE BOX KIT - 220V CEE7 SIDE GROUND 2IN X 4IN BOX (CE SPEC)
FIGURE 8-61. RECEPTACLE BOX KIT - 220V AFSINT 107 (CE SPEC)
FIGURE 8-62. SKYEYE EMITTER HARNESS
FIGURE 8-63. SKYEYE INTERMEDIATE HARNESS
FIGURE 8-64. SKYEYE RECEIVER HARNESS
FIGURE 8-65. SKYLINE HARNESS
FIGURE 8-66. STROBE LIGHT CONTROL (BLUE STROBE LIGHT)
FIGURE 8-67. STROBE LIGHT EXTENSION HARNESS (BLUE STROBE LIGHT ONLY)
FIGURE 8-68. VALVE HARNESS - BOOM VALVE
FIGURE 8-69. VALVE HARNESS - MAIN CONTROL
SECTION 9 - DECALS
FIGURE 9-1. DECALS INSTALLATION - ANSI AND ANSI EXPORT SPECS (ENGLISH)
FIGURE 9-2. DECALS INSTALLATION - AUSTRALIAN SPEC (ENGLISH)
FIGURE 9-3. DECALS INSTALLATION - BRAZIL SPEC (PORTUGUESE/SPANISH)
FIGURE 9-4. DECALS INSTALLATION - CE SPECS (ENGLISH)
FIGURE 9-5. DECALS INSTALLATION - CHINESE SPEC (CHINESE/ENGLISH)
FIGURE 9-6. DECALS INSTALLATION - CSA SPEC (FRENCH/ENGLISH)
FIGURE 9-7. DECALS INSTALLATION - JAPANESE SPEC (JAPANESE)
FIGURE 9-8. DECALS INSTALLATION - KOREAN SPEC (KOREAN/ENGLISH)
FIGURE 9-9. DECALS INSTALLATION - LATIN AMERICA SPEC (SPANISH/ENGLISH)
FIGURE 9-10. OPTIONAL DECALS INSTALLATION
SECTION 10 - RECOMMENDED SERVICE PARTS STOCK
FIGURE 10-1. RECOMMEDED SERVICE PARTS STOCK
SECTION 11 - SPECIAL OPTIONS
FIGURE 11-1. SPECIAL OPTIONS
PART NUMBER INDEX

Inside this manual

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Sample pages from the JLG 340AJ Boom Lift Parts Manual: Parts illustration, Parts illustration, Parts illustration
  • Parts illustration, page 160: SECTION 3 - ENGINE
  • Parts illustration, page 184: SECTION 3 - ENGINE
  • Parts illustration, page 336: SECTION 7 - HYDRAULIC

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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.

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Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

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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, 536 pages

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Other editions and similar models

JLG 3394RT, 340AJ, 400S, 4394RT, 450A Series II, 450AJ Series II, 460SJ, 6Parts Manual · 3121245 · $69.75JLG 340AJParts Manual · 3121260 · $69.83JLG 340AJParts Manual · 3121739 · $69.87

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