JLG Boom Lift H340AJ Parts Catalog 3122336200

Hyundai · Jun 22, 2026

JLG Boom Lift H340AJ Parts Catalog 3122336200
Size: 32.50 MB
Format: PDF
Language: English
Brand: JLG
Type of Machine: Boom Lift
Type of Manual: Parts Catalog
Model: JLG H340AJ Boom Lift
Part Number: 3122336200
Publication Date: 2025
Number of Pages: 456 Pages

Contents:
SECTION 1 - FRAME

FIGURE 1-1. STEERING INSTALLATION

FIGURE 1-2. OSCILLATING AXLE INSTALLATION

FIGURE 1-3. CONTROL VALVES INSTALLATION - FRAME (Prior to SN 0300332932)

FIGURE 1-4. CONTROL VALVES INSTALLATION - FRAME (SN 0300332932 to Present)

FIGURE 1-5. OSCILLATING AXLE VALVE ASSEMBLY

FIGURE 1-6. DRIVE INSTALLATION

FIGURE 1-7. DRIVE MOTOR ASSEMBLY

FIGURE 1-8. DRIVE HUB ASSEMBLY

FIGURE 1-9. TIRE AND WHEEL INSTALLATION - 7X18 SOLID

FIGURE 1-10. TIRE AND WHEEL INSTALLATION - 7X18 SOLID NON-MARKING

FIGURE 1-11. TIRE AND WHEEL INSTALLATION - 9X20 FOAM-FILLED

FIGURE 1-12. TIRE AND WHEEL INSTALLATION - 9X20 FOAM-FILLED NON-MARKING

FIGURE 1-13. BATTERIES INSTALLATION

FIGURE 1-14. ELECTRICAL PLATE ASSEMBLY

FIGURE 1-15. FRAME SHIELDS INSTALLATION

SECTION 2 - TURNTABLE

FIGURE 2-1. CONTROL VALVE INSTALLATION - TURNTABLE (Prior to SN 0300332932)

FIGURE 2-2. CONTROL VALVE INSTALLATION - TURNTABLE (SN 0300332932 to Present)

FIGURE 2-3. MAIN CONTROL VALVE ASSEMBLY

FIGURE 2-4. MANUAL PUMP VALVE ASSEMBLY (SN 0300332932 to Present)

FIGURE 2-5. SWING DRIVE INSTALLATION

FIGURE 2-6. SWING MOTOR ASSEMBLY

FIGURE 2-7. SWING BEARING ASSEMBLY

FIGURE 2-8. TANKS AND PUMP ASSEMBLY

FIGURE 2-9. HYDRAULIC PUMP MOTOR ASSEMBLY

FIGURE 2-10. GROUND CONTROLS INSTALLATION - ALL SPECS

FIGURE 2-11. GROUND CONTROL BOX ASSEMBLY - DISPLAY WITH BUTTONS (ALL SPECS)

FIGURE 2-12. GROUND CONTROL BOX ASSEMBLY - DISPLAY WITHOUT BUTTONS (ALL SPECS)

FIGURE 2-13. GROUND CONTROL INSTALLATION - CE & UK CA SPEC (Prior to SN 0300318489)

FIGURE 2-14. GROUND CONTROL BOX ASSEMBLY - DISPLAY WITH BUTTONS (CE & UK CA SPECS) (Prior to SN 0300318489)

FIGURE 2-15. GROUND CONTROL BOX ASSEMBLY - DISPLAY WITHOUT BUTTONS (CE & UK CA SPECS) (Prior to SN 0300318489)

FIGURE 2-16. LIGHT PANEL INSTALLATION

FIGURE 2-17. BATTERY CHARGER INSTALLATION - 110V PLUG

FIGURE 2-18. BATTERY CHARGER INSTALLATION - LOCALLY SUPPLIED PLUG

FIGURE 2-19. BATTERY CHARGER ASSEMBLY

FIGURE 2-20. ELECTRICAL COMPONENTS INSTALLATION

FIGURE 2-21. BEACON LIGHT INSTALLATION - AMBER (OPTIONAL)

FIGURE 2-22. BEACON LIGHT INSTALLATION - BLUE

FIGURE 2-23. BEACON LIGHT INSTALLATION - RED

FIGURE 2-24. WHITE NOISE ALARM INSTALLATION (AMBIENT)

FIGURE 2-25. WHITE NOISE ALARM INSTALLATION (CONSTANT)

FIGURE 2-26. HOODS INSTALLATION

FIGURE 2-27. HOOD ASSEMBLY - TANK SIDE

FIGURE 2-28. HOOD ASSEMBLY - ENGINE SIDE

SECTION 3 - ENGINE

FIGURE 3-1. KUBOTA ENGINE INSTALLATION

FIGURE 3-2. KUBOTA ENGINE AND GENERATOR SUB-ASSEMBLY

FIGURE 3-3. KUBOTA ENGINE ASSEMBLY

FIGURE 3-4. KUBOTA ENGINE COMPONENTS

FIGURE 3-5. ENGINE COUPLING ASSEMBLY

FIGURE 3-6. GENERATOR ASSEMBLY

FIGURE 3-7. CATALYTIC MUFFLER INSTALLATION - OPTIONAL

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 (Prior to SN 0300320004)

FIGURE 4-6. JIB ASSEMBLY - WITHOUT ARCTIC PACKAGE (SN 0300320005 to Present)

FIGURE 4-7. JIB ASSEMBLY - WITH ARCTIC PACKAGE (Prior to SN 0300320004)

FIGURE 4-8. JIB ASSEMBLY - WITH ARCTIC PACKAGE (SN 0300320005 to Present)

FIGURE 4-9. PLATFORM ROTATOR ASSEMBLY - WITHOUT ARCTIC PACKAGE (Prior to SN 0300320004)

FIGURE 4-10. PLATFORM ROTATOR ASSEMBLY - WITHOUT ARCTIC PACKAGE (SN 0300320005 to Present)

FIGURE 4-11. PLATFORM ROTATOR ASSEMBLY - WITH ARCTIC PACKAGE

FIGURE 4-12. PLATFORM SUPPORT INSTALLATION - WITH 1 CELL LSS (Prior to SN 0300324891)

FIGURE 4-13. PLATFORM SUPPORT INSTALLATION - WITH 1 CELL LSS (SN 0300324892 through 0300332932)

FIGURE 4-14. POWER TRACK INSTALLATION

FIGURE 4-15. CONTROL VALVES INSTALLATION - BOOM (Prior to SN 0300332932)

FIGURE 4-16. CONTROL VALVES INSTALLATION - BOOM (SN 0300332932 to Present)

FIGURE 4-17. FLY BOOM VALVE ASSEMBLY (Prior to SN 0300332932)

FIGURE 4-18. FLY BOOM VALVE ASSEMBLY (SN 0300332932 to Present)

FIGURE 4-19. BOOM UPRIGHT VALVE ASSEMBLY (Prior to SN 0300332932)

FIGURE 4-20. BOOM UPRIGHT VALVE ASSEMBLY (SN 0300332932 to Present)

SECTION 5 - PLATFORM

FIGURE 5-1. PLATFORM ASSEMBLY - 30IN X 4FT (76CM X 1.22M) - GATE ENTRY (Prior to SN 0300332932)

FIGURE 5-2. PLATFORM ASSEMBLY - 30IN X 5FT (76CM X 1.52M) - GATE ENTRY (Prior to SN 0300332932)

FIGURE 5-3. PLATFORM ASSEMBLY - 30IN X 4FT (76CM X 1.22M) - DROP BAR ENTRY (Prior to SN 0300332932)

FIGURE 5-4. PLATFORM ASSEMBLY - 30IN X 5FT (76CM X 1.52M) - DROP BAR ENTRY (Prior to SN 0300332932)

FIGURE 5-5. PLATFORM ASSEMBLY - 30IN X 3FT (76CM X 91.5CM) - WITH DROP BAR (H340AJ) (Prior to SN 0300332932)

FIGURE 5-6. RAPID REPLACEABLE PLATFORM SUPPORT (MACHINES WITH SN STARTING WITH 03) (SN 0300332932 to Present)

FIGURE 5-7. RAPID REPLACEABLE PLATFORM SUPPORT (MACHINES WITH SN STARTING WITH B3)

FIGURE 5-8. RAPID REPLACEABLE PLATFORM (30IN X 4FT (76.2CM X 1.22M) (MACHINES WITH SN STARTING WITH 03) (SN 0300332932 to Present)

FIGURE 5-9. RAPID REPLACEABLE PLATFORM (30IN X 5FT (76.2CM X 1.52M) (MACHINES WITH SN STARTING WITH 03) (SN 0300332932 to Present)

FIGURE 5-10. RAPID REPLACEABLE PLATFORM (30IN X 4FT (76.2CM X 1.22M) (MACHINES WITH SN STARTING WITH B3) (SN 0300332932 to Present)

FIGURE 5-11. RAPID REPLACEABLE PLATFORM (30IN X 5FT (76.2CM X 1.52M) (MACHINES WITH SN STARTING WITH B3) (SN 0300332932 to Present)

FIGURE 5-12. PLATFORM SWING GATE INSTALLATION (MACHINES WITH SN STARTING WITH 03) (SN 0300332932 to Present)

FIGURE 5-13. PLATFORM DROP BAR INSTALLATION (MACHINES WITH SN STARTING WITH 03) (SN 0300332932 to Present)

FIGURE 5-14. PLATFORM SWING GATE INSTALLATION (MACHINES WITH SN STARTING WITH B3) (SN 0300332932 to Present)

FIGURE 5-15. PLATFORM DROP BAR INSTALLATION (MACHINES WITH SN STARTING WITH B3) (SN 0300332932 to Present)

FIGURE 5-16. TRAY INSTALLATION

FIGURE 5-17. CONSOLE AND FOOTSWITCH INSTALLATION (Prior to SN 0300332932)

FIGURE 5-18. CONSOLE AND FOOTSWITCH INSTALLATION (SN 0300332932 to Present)

FIGURE 5-19. CONSOLE AND FOOTSWITCH ASSEMBLY (Prior to SN 0300331757)

FIGURE 5-20. CONSOLE AND FOOTSWITCH ASSEMBLY (SN 0300331757 to Present)

FIGURE 5-21. CONSOLE AND FOOTSWITCH ASSEMBLY (SN 0300332932 to Present)

FIGURE 5-22. LIGHT PANEL INSTALLATION

FIGURE 5-23. FOOTSWITCH ASSEMBLY

FIGURE 5-24. USB CHARGER INSTALLATION (Prior to SN 0300332932)

FIGURE 5-25. USB CHARGER INSTALLATION (SN 0300332932 to Present)

FIGURE 5-26. SKYGUARD SYSTEM INSTALLATION (H340AJ)

FIGURE 5-27. SKYEYE INSTALLATION (H340AJ)

FIGURE 5-28. SKYLINE INSTALLATION (Prior to SN 0300332932)

FIGURE 5-29. SKYLINE INSTALLATION (SN 0300332932 to Present)

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 SYSTEM INSTALLATION - WITHOUT ARCTIC PACKAGE

SECTION 8 - ELECTRICAL

FIGURE 8-1. AC BOX AT PLATFORM INSTALLATION - LOCALLY SUPPLIED COMPONENTS (ANSI EXPORT, AUSTRALIAN AND CHINA SPECS)

FIGURE 8-2. AC BOX AT PLATFORM INSTALLATION - LOCALLY SUPPLIED (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-3. AC BOX AT PLATFORM INSTALLATION - 110V (ANSI, ANSI EXPORT, CSA, JAPANESE AND CHINA SPECS)

FIGURE 8-4. AC BOX AT PLATFORM INSTALLATION - 110V IEC YELLOW (CE & UK CA SPEC) (Prior to SN 0300332932)

FIGURE 8-5. AC BOX AT PLATFORM INSTALLATION - 110V IEC YELLOW (CE & UK CA SPEC) (SN 0300332932 to Present)

FIGURE 8-6. AC BOX AT PLATFORM INSTALLATION - 220V (CSA SPEC)

FIGURE 8-7. AC BOX AT PLATFORM INSTALLATION - 220V IEC BLUE (CE & UK CA SPEC) (Prior to SN 0300332932)

FIGURE 8-8. AC BOX AT PLATFORM INSTALLATION - 220V IEC BLUE (CE & UK CA SPEC) (SN 0300332932 to Present)

FIGURE 8-9. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 POST GROUND WITH 70MM X 70MM BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-10. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 SIDE GROUND WITH 70MM X 70MM BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-11. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 POST GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (Prior to SN 0300332932)

FIGURE 8-12. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 POST GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (SN 0300332932 to Present)

FIGURE 8-13. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 SIDE GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (Prior to SN 0300332932)

FIGURE 8-14. AC BOX AT PLATFORM INSTALLATION - 220V CEE7 SIDE GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (SN 0300332932 to Present)

FIGURE 8-15. AC BOX AT PLATFORM INSTALLATION - 220V AFSINT 107 KEYED GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (Prior to SN 0300332932)

FIGURE 8-16. AC BOX AT PLATFORM INSTALLATION - 220V AFSINT 107 KEYED GROUND WITH 2IN X 4IN BOX (CE & UK CA SPEC) (SN 0300332932 to Present)

FIGURE 8-17. AC POWER TO PLATFORM CABLE - MAIN BOOM (WITHOUT ARTIC PACKAGE)

FIGURE 8-18. AC POWER TO PLATFORM CABLE - MAIN BOOM (WITH ARCTIC PACKAGE)

FIGURE 8-19. AC POWER TO PLATFORM CABLE - TOWER BOOM (WITHOUT ARTIC PACKAGE)

FIGURE 8-20. AC POWER TO PLATFORM CABLE - TOWER BOOM (WITH ARTIC PACKAGE)

FIGURE 8-21. BOOM CABLES, HARNESSES AND CLAMPS INSTALLATION - WITHOUT ARCTIC PACKAGE

FIGURE 8-22. BOOM CABLES, HARNESSES AND CLAMPS INSTALLATION - WITH ARCTIC PACKAGE

FIGURE 8-23. BOOM HARNESS - MAIN

FIGURE 8-24. BOOM HARNESS - TOWER

FIGURE 8-25. BREAKER BOX KIT (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-26. CHARGER HARNESS

FIGURE 8-27. CLEARSKY CS550 BEACON INSTALLATION

FIGURE 8-28. DRIVE CABLES INSTALLATION

FIGURE 8-29. DRIVE HARNESS - REAR RIGHT

FIGURE 8-30. DRIVE HARNESS - REAR LEFT

FIGURE 8-31. DRIVE HARNESS - FRONT WITH STEER

FIGURE 8-32. DRIVE HARNESS - FRONT WITHOUT STEER

FIGURE 8-33. ENGINE CABLES INSTALLATION

FIGURE 8-34. ENGINE HARNESS

FIGURE 8-35. GENERATOR HARNESS

FIGURE 8-36. GROUND CONTROL HARNESS

FIGURE 8-37. GROUND TO PLATFORM CABLE - MAIN BOOM (WITHOUT ARCTIC PACKAGE)

FIGURE 8-38. GROUND TO PLATFORM CABLE - MAIN BOOM (WITH ARCTIC PACKAGE)

FIGURE 8-39. GROUND TO PLATFORM CABLE - TOWER BOOM (WITHOUT ARCTIC PACKAGE)

FIGURE 8-40. GROUND TO PLATFORM CABLE - TOWER BOOM (WITH ARCTIC PACKAGE)

FIGURE 8-41. PLATFORM CONSOLE HARNESS - WITH SKYGUARD (Prior to SN 0300332932)

FIGURE 8-42. PLATFORM CONSOLE HARNESS - WITH SKYGUARD (SN 0300332932 to Present)

FIGURE 8-43. PLATFORM INTERFACE HARNESS

FIGURE 8-44. PLATFORM TO BOOM VALVE HARNESS

FIGURE 8-45. AC BOX AT PLATFORM INSTALLATION - 110V IEC YELLOW (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-46. RECEPTACLE BOX KIT - 220V IEC BLUE (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-47. RECEPTACLE BOX KIT - 220V CEE7 POST GROUND 70MM X 70MM BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-48. RECEPTACLE BOX KIT - 220V CEE7 SIDE GROUND 70MM X 70MM BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-49. RECEPTACLE BOX KIT - 220V CEE7 POST GROUND 2IN X 4IN BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-50. RECEPTACLE BOX KIT - 220V CEE7 SIDE GROUND 2IN X 4IN BOX (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-51. RECEPTACLE BOX KIT - 220V AFSINT 107 (CE & UK CA SPEC) (Prior to SN 0300318489)

FIGURE 8-52. SKYLINE HARNESS

FIGURE 8-53. SKYEYE INTERMEDIATE HARNESS

FIGURE 8-54. SKYEYE RECEIVER HARNESS

FIGURE 8-55. SKYEYE EMITTER HARNESS

FIGURE 8-56. STROBE LIGHT HARNESS (BLUE AND RED LIGHTS)

FIGURE 8-57. TRACTION HARNESS

FIGURE 8-58. TURNTABLE HARNESS

FIGURE 8-59. USB HARNESS

FIGURE 8-60. VALVE HARNESS

FIGURE 8-61. WORKLIGHT HARNESS

SECTION 9 - DECALS

FIGURE 9-1. DECALS INSTALLATION – ANSI, ANSI EXPORT CSA AND CHINA SPECS (ENGLISH) (Prior to SN 0300332932)

FIGURE 9-2. DECALS INSTALLATION – ANSI, ANSI EXPORT CSA AND CHINA SPECS (ENGLISH) (SN 0300332932 to Present)

FIGURE 9-3. DECALS INSTALLATION - AUSTRALIAN SPEC (ENGLISH)

FIGURE 9-4. DECALS INSTALLATION - BRAZIL SPEC (PORTUGUESE/SPANISH) (Prior to SN 0300332932)

FIGURE 9-5. DECALS INSTALLATION - BRAZIL SPEC (PORTUGUESE/SPANISH) (SN 0300332932 to Present)

FIGURE 9-6. DECALS INSTALLATION - CE & UK CA SPECS (ENGLISH) (Prior to SN 0300318489)

FIGURE 9-7. DECALS INSTALLATION - CSA SPEC (FRENCH/ENGLISH) (Prior to SN 0300332932)

FIGURE 9-8. DECALS INSTALLATION - CSA SPEC (FRENCH/ENGLISH) (SN 0300332932 to Present)

FIGURE 9-9. DECALS INSTALLATION - CHINESE SPEC (CHINESE/ENGLISH) (Prior to SN 0300332932)

FIGURE 9-10. DECALS INSTALLATION - CHINESE SPEC (CHINESE/ENGLISH) (SN 0300332932 to Present)

FIGURE 9-11. DECALS INSTALLATION - JAPANESE SPEC (JAPANESE/ENGLISH) (Prior to SN 0300332932)

FIGURE 9-12. DECALS INSTALLATION - JAPANESE SPEC (JAPANESE/ENGLISH) (SN 0300332932 to Present)

FIGURE 9-13. DECALS INSTALLATION - KOREAN SPEC (KOREAN/ENGLISH) (Prior to SN 0300332932)

FIGURE 9-14. DECALS INSTALLATION - KOREAN SPEC (KOREAN/ENGLISH) (SN 0300332932 to Present)

FIGURE 9-15. DECALS INSTALLATION - LATIN AMERICA SPEC (SPANISH/ENGLISH) (Prior to SN 0300332932)

FIGURE 9-16. DECALS INSTALLATION - LATIN AMERICA SPEC (SPANISH/ENGLISH) (SN 0300332932 to Present)

FIGURE 9-17. DECALS INSTALLATION - OPTIONS

SECTION 10 - RECOMMENDED SERVICE PARTS STOCK

FIGURE 10-1. RECOMMENDED SERVICE PARTS STOCK

SECTION 11 - SPECIAL OPTIONS/ACCESSORIES/KITS

FIGURE 11-1. SPECIAL OPTIONS/ACCESSORIES/KITS

PART NUMBER INDEX

JLG Boom Lift H340AJ Parts Catalog 3122336200

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