JLG 1055, 1255 Telehandler Parts Manual
1,328 pages · Publication 31211032_Rev_Q
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What's inside
From the manual's own table of contents: 221 sections, 472 entries. See sample pages (PDF, 585 KB)
General55 topics
- SECTION 1 - FRAME AND ATTACHING PARTS
- FIGURE 1-3. FRAME COVER INSTALLATION (ULS)
- FIGURE 1-4. FRAME COVER INSTALLATION (LS)
- FIGURE 1-5. ENGINE INSTALLATION
- FIGURE 1-6. ENGINE ENCLOSURE INSTALLATION
- FIGURE 1-7. ENGINE ENCLOSURE COVER INSTALLATION
- FIGURE 1-8. HOOD ASSEMBLY
- FIGURE 1-9. HOOD ASSEMBLY
- FIGURE 1-10. TANK INSTALLATION
- FIGURE 1-11. FUEL TANK INSTALLATION
- FIGURE 1-12. HYDRAULIC TANK INSTALLATION
- FIGURE 1-13. OUTRIGGERS INSTALLATION
- FIGURE 1-14. COUNTERWEIGHT INSTALLATION - 1055
- FIGURE 1-15. COUNTERWEIGHT INSTALLATION - 1255
- FIGURE 1-16. MIRROR INSTALLATION
- FIGURE 1-17. CONVEX MIRROR ASSEMBLY
- SECTION 2 - BOOM
- FIGURE 2-1. BOOM ASSEMBLY - 1055
- FIGURE 2-2. BOOM ASSEMBLY - 1255
- FIGURE 2-3. FIRST BOOM ASSEMBLY - 1055
- FIGURE 2-4. FIRST BOOM ASSEMBLY - 1255
- FIGURE 2-5. SECOND BOOM ASSEMBLY - 1055
- FIGURE 2-6. SECOND BOOM ASSEMBLY - 1255
- FIGURE 2-7. THIRD BOOM ASSEMBLY - 1055
- FIGURE 2-8. THIRD BOOM ASSEMBLY - 1255
- FIGURE 2-9. FOURTH BOOM ASSEMBLY - 1055
- FIGURE 2-10. FOURTH BOOM ASSEMBLY - 1255
- FIGURE 2-11. EXTEND CYLINDER PINS INSTALLATION
- FIGURE 2-12. SECOND BOOM SECTION EXTEND CHAIN INSTALLATION - 1055
- FIGURE 2-13. SECOND BOOM SECTION EXTEND CHAIN INSTALLATION - 1255
- FIGURE 2-14. THIRD BOOM SECTION EXTEND CHAIN INSTALLATION
- FIGURE 2-15. SECOND BOOM SECTION RETRACT CHAIN INSTALLATION - 1055
- FIGURE 2-16. SECOND BOOM SECTION RETRACT CHAIN INSTALLATION - 1255
- FIGURE 2-17. THIRD BOOM SECTION RETRACT CHAIN INSTALLATION - 1055
- FIGURE 2-18. THIRD BOOM SECTION RETRACT CHAIN INSTALLATION - 1255
- FIGURE 2-19. CHAIN SHEAVE ASSEMBLY
- FIGURE 2-20. CHAIN SHEAVE ASSEMBLY
- FIGURE 2-21. CHAIN SHEAVE ASSEMBLY
- FIGURE 2-22. CHAIN SHEAVE ASSEMBLY
- FIGURE 2-23. BOOM PINNING INSTALLATION
- FIGURE 2-24. BOOM PIVOT INSTALLATION
- FIGURE 2-25. LIFT CYLINDER INSTALLATION
- FIGURE 2-26. COMPENSATION CYLINDER INSTALLATION
- FIGURE 2-27. BOOM BRUSHES INSTALLATION
- FIGURE 2-28. BOOM ANGLE INDICATOR INSTALLATION
- FIGURE 2-29. MANUAL QUICK COUPLER INSTALLATION
- FIGURE 2-30. HYDRAULIC QUICK COUPLER INSTALLATION
- FIGURE 2-31. PIN INSTALLATION
- FIGURE 2-32. PIN INSTALLATION
- FIGURE 2-33. QUICK COUPLER ASSEMBLY
- FIGURE 2-34. BOOM PROP INSTALLATION (ANSI)
- FIGURE 2-35. BOOM PROP INSTALLATION (CANADA)
- FIGURE 2-36. BOOM PROP BRACKET
- SECTION 3 - ATTACHMENTS
- FIGURE 3-5. CARRIAGE ASSEMBLY (72 INCH)
Show all 222 sections
FIGURE 3-70. DRYWALL CYLINDER55 topics
- FIGURE 3-71. DRYWALL HYDRAULIC GROUP
- FIGURE 3-72. DRYWALL VALVE ASSEMBLY
- FIGURE 3-73. DRYWALL CYLINDER
- FIGURE 3-74. DRYWALL FORK GROUP
- SECTION 4 - ENGINE AND ATTACHING PARTS
- FIGURE 4-1. ENGINE INSTALLATION (ULS)
- FIGURE 4-2. ENGINE INSTALLATION (LS)
- FIGURE 4-3. 3.8L ENGINE (ULS)
- FIGURE 4-5. FUEL LINES INSTALLATION (ULS)
- FIGURE 4-6. FUEL LINES INSTALLATION (LS)
- FIGURE 4-7. PRIMARY FUEL FILTER INSTALLATION (ULS)
- FIGURE 4-8. PRIMARY FUEL FILTER INSTALLATION (LS)
- FIGURE 4-11. COOLING PACKAGE INSTALLATION (ULS)
- FIGURE 4-12. COOLING PACKAGE INSTALLATION (LS)
- FIGURE 4-13. RADIATOR
- FIGURE 4-14. HOC LINES INSTALLATION
- FIGURE 4-15. COOLANT LINES INSTALLATION (ULS)
- FIGURE 4-16. COOLANT LINES INSTALLATION (LS)
- FIGURE 4-17. CAC LINES INSTALLATION (ULS)
- FIGURE 4-18. CAC LINES INSTALLATION (LS)
- FIGURE 4-19. TOC LINES INSTALLATION
- FIGURE 4-20. SURGE TANK INSTALLATION
- FIGURE 4-21. FAN INSTALLATION
- FIGURE 4-22. FAN GUARD INSTALLATION
- FIGURE 4-23. AIR INTAKE LINES INSTALLATION (ULS)
- FIGURE 4-24. AIR INTAKE LINES INSTALLATION (LS)
- FIGURE 4-25. AIR CLEANER INSTALLATION (ULS)
- FIGURE 4-26. AIR CLEANER INSTALLATION (LS)
- FIGURE 4-27. AIR CLEANER ASSEMBLY
- FIGURE 4-28. AIR INTAKE DUCT INSTALLATION
- FIGURE 4-29. EXHAUST INSTALLATION (ULS)
- FIGURE 4-30. EXHAUST INSTALLATION (LS)
- FIGURE 4-31. MUFFLER INSTALLATION (LS)
- FIGURE 4-32. DEF LINES INSTALLATION
- FIGURE 4-35. DEF TANK INSTALLATION
- FIGURE 4-37. DEF PUMP AND CONTROL INSTALLATION
- FIGURE 4-40. ENGINE PARTS INSTALLATION (NO HEATER)
- FIGURE 4-41. ENGINE PARTS INSTALLATION (HEATER)
- FIGURE 4-42. A/C PUMP INSTALLATION (ULS)
- FIGURE 4-43. A/C LINES INSTALLATION
- FIGURE 4-44. FUEL CAP ASSEMBLY
- FIGURE 4-45. AC PUMP INSTALLATION (LS)
- FIGURE 4-46. BREATHER HEATER
- FIGURE 4-47. AIR INTAKE SHUT OFF VALVE INSTALLATION
- FIGURE 4-48. DEF BREATHER VALVE
- SECTION 5 - DRIVE TRAIN
- FIGURE 5-1. DRIVE TRAIN INSTALLATION
- FIGURE 5-2. FRONT AXLE INSTALLATION
- FIGURE 5-3. FRONT AXLE MOUNTING INSTALLATION
- FIGURE 5-4. FRONT AXLE
- FIGURE 5-5. FRONT AXLE, CENTRAL HOUSING
- FIGURE 5-6. FRONT AXLE, DIFFERENTIAL
- FIGURE 5-7. FRONT AXLE, HUB REDUCTION
- FIGURE 5-8. FRONT AXLE, BRAKES
- FIGURE 5-9. FRONT AXLE, STEERING
FIGURE 5-76. TIRE WHEEL SET-400/75-28-PNEUMATIC43 topics
- FIGURE 5-79. LEFT TIRE AND WHEEL ASSEMBLY - 14.00X24 PNEUMATIC - 1055
- FIGURE 5-80. RIGHT TIRE AND WHEEL ASSEMBLY - 14.00X24 PNEUMATIC - 1055
- FIGURE 5-85. TIRE AND WHEEL ASSEMBLY - 400/75-28 - FOAM FILLED
- FIGURE 5-94. FENDER INSTALLATION
- FIGURE 5-97. WHEEL CHOCK INSTALLATION
- FIGURE 5-98. TOOLBOX INSTALLATION
- FIGURE 5-99. TIRE WHEEL SET, 400/75-28 - PNEUMATIC NON-MARKING
- FIGURE 5-100. TIRE & WHEEL ASSEMBLY, 400/75-28 - PNEUMATIC NON-MARKING
- FIGURE 5-101. TIRE WHEEL SET, TIRE WHEEL SET, 400/75-28 - FOAM NON-MARKING
- SECTION 6 - CAB
- FIGURE 6-1. CAB MOUNTING
- FIGURE 6-2. CAB MOUNTS INSTALLATION
- FIGURE 6-3. FRONT CAB OUTRIGGER INSTALLATION
- FIGURE 6-4. CAB FENDER INSTALLATION
- FIGURE 6-5. CAB FENDER INSTALLATION REAR (LH)
- FIGURE 6-6. TOP CAB GUARD
- FIGURE 6-7. FRONT CAB GUARD INSTALLATION
- FIGURE 6-8. TOP AND FRONT CAB GUARD INSTALLATION
- FIGURE 6-9. OROPS CAB INSTALLATION
- FIGURE 6-10. EROPS CAB INSTALLATION
- FIGURE 6-13. OPEN CAB ASSEMBLY
- FIGURE 6-14. OPEN CAB PLUG GROUP
- FIGURE 6-18. MIRROR INSTALLATION
- FIGURE 6-19. FRONT COVER INSTALLATION
- FIGURE 6-20. FILTER TRAY ASSEMBLY
- FIGURE 6-21. FRONT DUCT COVER
- FIGURE 6-22. LEVEL INDICATOR INSTALLATION
- FIGURE 6-23. FRONT WIPER INSTALLATION
- FIGURE 6-24. WASHER TANK INSTALLATION
- FIGURE 6-25. ENCLOSED CAB ASSEMBLY
- FIGURE 6-26. REAR WINDOW INSTALLATION
- FIGURE 6-27. REAR WINDOW INSTALLATION (WO/WIPER) (ANSI)
- FIGURE 6-28. REAR WINDOW INSTALLATION (WO/WIPER) (ISO)
- FIGURE 6-29. REAR WINDOW INSTALLATION (WO/WIPER) (ENG/SPAN)
- FIGURE 6-30. REAR WINDOW ASSEMBLY
- FIGURE 6-31. DOOR INSTALLATION
- FIGURE 6-32. CAB LATCH ASSEMBLY
- FIGURE 6-33. CAB DOOR TRIGGER ASSEMBLY
- FIGURE 6-34. DOOR ASSEMBLY
- FIGURE 6-35. DOOR STRAP INSTALLATION
- FIGURE 6-36. CAB DOOR
- FIGURE 6-37. ENCLOSED CAB PLUG GROUP
- FIGURE 6-38. HEADLINER INSTALLATION
FIGURE 7-14. COLUMN CLAMP INSTALLATION46 topics
- FIGURE 7-15. WIPER-TURN SWITCH
- SECTION 8 - HYDRAULIC CIRCUITS
- FIGURE 8-1. MAIN HYDRAULICS INSTALLATION
- FIGURE 8-2. STEER SELECT VALVE INSTALLATION
- FIGURE 8-3. STEER SELECT VALVE ASSEMBLY
- FIGURE 8-4. PRIORITY FUNCTION MANIFOLD INSTALLATION
- FIGURE 8-5. PRIORITY MANIFOLD VALVE ASSEMBLY
- FIGURE 8-6. MAIN CONTROL VALVE INSTALLATION (SN 0160000001 through 0160082543)
- FIGURE 8-7. MAIN CONTROL VALVE INSTALLATION (SN 0160082543 through 0160101096)
- FIGURE 8-10. FRAME LEVEL AND OUTRIGGER VALVE INSTALLATION (SN 0160000001 through 0160069775)
- FIGURE 8-11. FRAME LEVEL AND OUTRIGGER VALVE INSTALLATION (SN 0160069775 through 0160101096)
- FIGURE 8-12. FRAME LEVEL AND OUTRIGGER VALVE ASSEMBLY (SN 0160000001 through 0160069775)
- FIGURE 8-13. FRAME LEVEL AND OUTRIGGER VALVE ASSEMBLY (SN 0160069775 through 0160101096)
- FIGURE 8-14. FRAME HYDRAULIC INSTALLATION
- FIGURE 8-15. CAB HYDRAULIC INSTALLATION
- FIGURE 8-16. BOOM HYDRAULIC INSTALLATION
- FIGURE 8-17. ENGINE BAY HYDRAULIC INSTALLATION
- FIGURE 8-18. PISTON PUMP INSTALLATION
- FIGURE 8-19. PISTON PUMP ASSEMBLY
- FIGURE 8-20. BOOM HYDRAULIC TUBES INSTALLATION
- FIGURE 8-21. BOOM AUXILIARY HYDRAULIC INSTALLATION
- FIGURE 8-22. HYDRAULIC AUXILIARY WITH COUPLER INSTALLATION
- FIGURE 8-23. FRAME LEVEL INSTALLATION
- FIGURE 8-24. REAR AXLE STABILIZER INSTALLATION
- FIGURE 8-25. REAR AXLE STABILIZER CYLINDER INSTALLATION
- FIGURE 8-26. LIFT CYLINDER VALVE INSTALLATION, NO RIDE CONTROL (SN 0160000001 through 0160082543)
- FIGURE 8-27. LIFT CYLINDER VALVE INSTALLATION, NO RIDE CONTROL (SN 0160082543 through 0160101096)
- FIGURE 8-35. FRAME LEVEL CYLINDER INSTALLATION
- FIGURE 8-36. OUTRIGGER CYLINDER INSTALLATION (SN 0160000001 through 0160078794)
- FIGURE 8-37. EXTEND/RETRACT CYLINDER INSTALLATION
- FIGURE 8-38. LIFT CYLINDER INSTALLATION - 1055
- FIGURE 8-39. HYDRAULIC QUICK COUPLER INSTALLATION
- FIGURE 8-40. LIFT CYLINDER INSTALLATION - 1255
- FIGURE 8-41. QUICK COUPLER VALVE ASSEMBLY
- FIGURE 8-42. QUICK COUPLER CYLINDER ASSEMBLY
- FIGURE 8-43. FRONT AXLE LINES INSTALLATION
- FIGURE 8-44. REAR AXLE LINES INSTALLATION
- FIGURE 8-45. VALVE ASSEMBLY
- FIGURE 8-46. CHECK VALVE ASSEMBLY
- FIGURE 8-47. TWIN/TRI LINE HOSES INSTALLATION
- SECTION 9 - HYDRAULIC COMPONENTS
- FIGURE 9-1. CYLINDER GROUP INSTALLATION - 1055
- FIGURE 9-2. CYLINDER GROUP INSTALLATION - 1255
- FIGURE 9-8. TILT CYLINDER INSTALLATION - 1055
- FIGURE 9-9. TILT CYLINDER - 1055
- FIGURE 9-11. TILT CYLINDER INSTALLATION - 1255
FIGURE 10-26. ARCTIC COLD WEATHER PACKAGE INSTALLATION (ULS)52 topics
- FIGURE 10-27. ARCTIC COLD WEATHER PACKAGE INSTALLATION (LS)
- FIGURE 10-28. ARCTIC BATTERIES INSTALLATION
- FIGURE 10-29. HYDRAULIC TANK HEATER INSTALLATION
- FIGURE 10-30. HIGH END DISPLAY INSTALLATION
- FIGURE 10-31. BACKUP ALARM INSTALLATION
- FIGURE 10-32. WHITE ALARM BACKUP INSTALLATION
- FIGURE 10-35. CAB WORKLIGHTS INSTALLATION (WITHOUT A/C)
- FIGURE 10-36. CAB LED WORK LIGHTS INSTALLATION (WITHOUT A/C)
- FIGURE 10-37. CAB WORKLIGHTS INSTALLATION (WITH A/C)
- FIGURE 10-38. CAB LED WORK LIGHTS INSTALLATION (WITH A/C)
- FIGURE 10-39. BOOM WORKLIGHTS INSTALLATION
- FIGURE 10-40. BOOM WORK LIGHTS INSTALLATION
- FIGURE 10-41. BOOM LIGHTS INSTALLATION
- FIGURE 10-42. BOOM LED LIGHTS INSTALLATION
- FIGURE 10-43. BEACON INSTALLATION
- FIGURE 10-44. LED BEACON INSTALLATION
- FIGURE 10-45. BOOM AUXILIARY HARNESS
- FIGURE 10-46. BOOM WORKLIGHTS HARNESS
- FIGURE 10-47. A/C OPTION HARNESS
- FIGURE 10-52. ENGINE CHASSIS HARNESS
- FIGURE 10-58. FRONT FRAME HEADLIGHT HARNESS
- FIGURE 10-59. TAIL LIGHTS HARNESS
- FIGURE 10-60. REVERSE SENSOR HARNESS
- FIGURE 10-61. CAB HARNESS
- FIGURE 10-62. OPTION 1 CAB HARNESS
- FIGURE 10-63. OPTION 2 CAB HARNESS
- FIGURE 10-64. CAB OPTION HARNESS
- FIGURE 10-65. STANDARD ELECTRICAL BOARD ASSEMBLY
- FIGURE 10-66. OPTION 1 ELECTRICAL BOARD ASSEMBLY
- FIGURE 10-67. OPTION 2 ELECTRICAL BOARD ASSEMBLY
- FIGURE 10-69. TELEMATICS READY HARNESS
- FIGURE 10-70. FUEL FILTER HEATER INSTALLATION
- FIGURE 10-72. ROOF PIGTAIL HARNESS
- FIGURE 10-73. BOOM AUXILIARY ELECTRIC HARNESS INSTALLATION
- FIGURE 10-74. PLATFORM HARNESS
- FIGURE 10-75. USB CHARGER INSTALLATION
- FIGURE 10-76. COMMUNICATION ANALYZER HARNESS
- FIGURE 10-77. TELEMATICS HARNESS
- FIGURE 10-80. TELEMATICS INSTALLATION, UNITED RENTALS
- FIGURE 10-81. TELEMATICS INSTALLATION, UNITED RENTALS
- FIGURE 10-82. GATEWAY CONTROLLER
- FIGURE 10-83. TELEMATICS CANBUS INSTALLATION (CLEARSKY 2) (ANSI)
- FIGURE 10-84. TELEMATICS CANBUS INSTALLATION (CLEARSKY 2) (CE)
- FIGURE 10-85. TELEMATICS HARNESS (CLEARSKY 2)
- FIGURE 10-86. CLEARSKY INSTALLATION 3-WIRE (ANSI)
- FIGURE 10-87. CLEARSKY INSTALLATION 3-WIRE (CE)
- FIGURE 10-88. CONTROL ACCESSORY
- FIGURE 10-89. CAB AIR SHUT OFF VALVE HARNESS
- FIGURE 10-90. ENGINE AIR SHUT OFF VALVE HARNESS
- FIGURE 10-91. RIDE CONTROL INSTALLATION
- FIGURE 10-92. BOOM RIDE FLOAT HARNESS
- FIGURE 10-93. DEF PURGE LIGHT HARNESS
Inside this manual
Real pages from this parts manual (1,328 pages). Open the sample pages (PDF, 584 KB)
- Parts illustration, page 56: SECTION 2 - BOOM
- Parts illustration, page 176: SECTION 3 - ATTACHMENTS
- Parts illustration, page 816: SECTION 8 - HYDRAULIC CIRCUITS
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This is a parts manual
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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.
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, 1,328 pages
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