JLG 742 Telehandler Parts Manual

Name: JLG 742 Telehandler Parts Manual
Brand: MidWestTech
SKU: 31211313
Price: 119.71 USD
Availability: InStock

1,126 pages · Publication 31211313

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Models: 742
Manual type: Parts Manual
Pages: 1,126
Publication: 31211313
Condition: Brand new

JLG 742 Telehandler Parts Manual, publication 31211313

What's inside

From the manual's own table of contents: 249 sections, 491 entries. See sample pages (PDF, 565 KB)

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General46 topics

SECTION 1 - FRAME AND ATTACHING PARTS
FIGURE 1-1. FRAME (NO OUTRIGGERS)
FIGURE 1-2. ENGINE ENCLOSURE INSTALLATION
FIGURE 1-3. ENGINE ENCLOSURE COVER INSTALLATION
FIGURE 1-4. HOOD ASSEMBLY
FIGURE 1-5. HOOD ASSEMBLY
FIGURE 1-8. COVER INSTALLATION (NO OUTRIGGERS) (LS)
FIGURE 1-9. COUNTERWEIGHT INSTALLATION
FIGURE 1-10. TANK INSTALLATION
FIGURE 1-11. FUEL TANK INSTALLATION
FIGURE 1-12. HYDRAULIC TANK INSTALLATION
FIGURE 1-13. FUEL CAP ASSEMBLY
FIGURE 1-14. MIRROR INSTALLATION
FIGURE 1-15. BOOM PROP INSTALLATION
FIGURE 1-16. BOOM PROP BRACKET
SECTION 2 - BOOM
FIGURE 2-1. BOOM ASSEMBLY
FIGURE 2-2. FIRST BOOM SECTION ASSEMBLY
FIGURE 2-3. SECOND BOOM SECTION ASSEMBLY
FIGURE 2-4. THIRD BOOM SECTION ASSEMBLY
FIGURE 2-5. RETRACT CHAIN INSTALLATION
FIGURE 2-6. EXTEND CHAIN INSTALLATION
FIGURE 2-7. PINS INSTALLATION
FIGURE 2-8. RETRACT CHAIN SHEAVE
FIGURE 2-9. CHAIN SHEAVE ASSEMBLY
FIGURE 2-10. HOSE BRACKET INSTALLATION
FIGURE 2-11. BOOM PINNING INSTALLATION
FIGURE 2-12. LIFT CYLINDER PINS INSTALLATION
FIGURE 2-13. COMPENSATION CYLINDER PINS INSTALLATION
FIGURE 2-14. BOOM PIVOT PIN INSTALLATION
FIGURE 2-15. MANUAL QUICK COUPLER INSTALLATION
FIGURE 2-16. HYDRAULIC QUICK COUPLER INSTALLATION
FIGURE 2-17. BOOM PIN INSTALLATION
FIGURE 2-18. TILT CYLINDER PIN INSTALLATION
FIGURE 2-19. BOOM ANGLE INDICATOR INSTALLATION
FIGURE 2-20. BOOM BRUSHES INSTALLATION
FIGURE 2-21. QUICK COUPLER ASSEMBLY
SECTION 3 - ATTACHMENTS
FIGURE 3-1. CARRIAGE ASSEMBLY (1270MM)
FIGURE 3-2. CARRIAGE ASSEMBLY (1524 MM)
FIGURE 3-3. CARRIAGE ASSEMBLY (1829 MM)
FIGURE 3-4. 90 SWING CARRIAGE ASSEMBLY (72 INCH)
FIGURE 3-6. DUAL FORK CARRIAGE ASSEMBLY
FIGURE 3-7. DUAL FORK CARRIAGE VALVE ASSEMBLY
FIGURE 3-16. FORK CLAMPS INSTALL
FIGURE 3-18. FORK MOUNTED BUCKET (1.0 M³)

FIGURE 3-23. TRUSS BOOM (15 FOOT)

FIGURE 3-24. ADJUSTABLE TRUSS BOOM

FIGURE 3-25. TRUSS BOOM (1.8 TON - 1M FT WITH WINCH)

FIGURE 3-27. ADJUSTABLE TRUSS BOOM INSTALLATION (FORK MOUNTED)

FIGURE 3-28. FORK MOUNTED HOOK (4 TON)

FIGURE 3-29. CRANE HOOK

FIGURE 3-30. FORK MOUNTED BASKET

FIGURE 3-31. FORK MOUNTED BASKET

FIGURE 3-32. FORK MOUNTED BASKET

FIGURE 3-33. FORK MOUNTED PLATFORM

FIGURE 3-34. SWEEPER - HOPPER ASSEMBLY

FIGURE 3-35. FORK MOUNTED TRASH HOPPER

FIGURE 3-36. DRYWALL SWING CARRIAGE INSTALLATION

FIGURE 3-37. ROTATING DRYWALL CARRIAGE

FIGURE 3-38. DRYWALL BOARD HANDLER

FIGURE 3-39. PIVOT FRAME GROUP

FIGURE 3-40. DRYWALL CYLINDER

FIGURE 3-41. DRYWALL HYDRAULIC GROUP

FIGURE 3-42. DRYWALL VALVE ASSEMBLY

FIGURE 3-43. DRYWALL CYLINDER

FIGURE 3-44. DRYWALL FORK GROUP

FIGURE 3-45. SIDE TILT ELECTRIC MAST (8 FOOT)

FIGURE 3-46. SIDE TILT ELECTRIC MAST (8 FOOT)

Show all 250 sections

FIGURE 3-47. SIDE TILT ELECTRIC MAST (8 FOOT)

FIGURE 3-48. KIT DECAL

FIGURE 3-49. MAIN LIFT CYLINDER

SECTION 4 - ENGINE AND ATTACHING PARTS

FIGURE 4-1. ENGINE INSTALLATION (ULS)

FIGURE 4-2. ENGINE INSTALLATION, 74HP (ULS)

FIGURE 4-3. ENGINE INSTALLATION (LS)

FIGURE 4-4. ENGINE MOUNTING INSTALLATION

FIGURE 4-5. 3.8L ENGINE (ULS)

FIGURE 4-6. ENGINE, 74HP

FIGURE 4-8. FAN INSTALLATION

FIGURE 4-9. PRIMARY FUEL FILTER INSTALLATION (ULS)

FIGURE 4-10. PRIMARY FUEL FILTER INSTALLATION (LS)

FIGURE 4-11. FAN INSTALLATION, 74HP (ULS)

FIGURE 4-12. AIR CLEANER LINES INSTALLATION (ULS)

FIGURE 4-13. AIR CLEANER LINES INSTALLATION (LS)

FIGURE 4-14. AIR CLEANER INSTALLATION (ULS)

FIGURE 4-15. AIR CLEANER INSTALLATION (LS)

FIGURE 4-16. AIR CLEANER ASSEMBLY (74.4KW)

FIGURE 4-17. AIR CLEANER ASSEMBLY (90/100KW)

FIGURE 4-18. AIR INTAKE DUCT INSTALLATION

FIGURE 4-19. AIR INTAKE SHUT OFF VALVE INSTALLATION

FIGURE 4-20. DEF LINES INSTALLATION

FIGURE 4-21. COOLING PACKAGE INSTALLATION (ULS)

FIGURE 4-22. COOLING PACKAGE INSTALLATION (LS)

FIGURE 4-23. RADIATOR COOLING PACKAGE

FIGURE 4-24. HOC LINES INSTALLATION

FIGURE 4-25. COOLANT LINES INSTALLATION (ULS)

FIGURE 4-26. COOLANT LINES INSTALLATION (LS)

FIGURE 4-27. CAC LINES INSTALLATION (ULS)

FIGURE 4-28. CAC LINES INSTALLATION (LS)

FIGURE 4-29. TOC LINES INSTALLATION

FIGURE 4-30. SURGE TANK INSTALLATION

FIGURE 4-31. FAN GUARD INSTALLATION

FIGURE 4-32. EXHAUST INSTALLATION (ULS)

FIGURE 4-33. EXHAUST INSTALLATION

FIGURE 4-34. EXHAUST INSTALLATION (LS)

FIGURE 4-35. ENGINE PARTS INSTALLATION (NO HEATER)

FIGURE 4-36. ENGINE PARTS INSTALLATION (HEATER)63 topics

FIGURE 4-37. A/C PUMP INSTALLATION (ULS)
FIGURE 4-38. A/C PUMP INSTALLATION (LS)
FIGURE 4-39. FUEL TANK ASSEMBLY
FIGURE 4-40. DEF TANK INSTALLATION
FIGURE 4-43. DEF PUMP AND CONTROL INSTALLATION
FIGURE 4-44. DEF PUMP LINES INSTALLATION
FIGURE 4-45. FUEL LINES INSTALLATION (ULS)
FIGURE 4-46. FUEL LINES INSTALLATION (LS)
FIGURE 4-47. MUFFLER INSTALLATION (LS)
FIGURE 4-48. A/C LINES INSTALLATION
FIGURE 4-49. UREA PUMP
FIGURE 4-50. HEATER BREATHER - 110 HP
FIGURE 4-51. HEATER BREATHER - 74 HP
FIGURE 4-52. DEF BREATHER VALVE
SECTION 5 - DRIVETRAIN
FIGURE 5-1. DRIVETRAIN INSTALLATION
FIGURE 5-2. DRIVETRAIN INSTALLATION, 74HP
FIGURE 5-3. FRONT AXLE INSTALLATION
FIGURE 5-4. FRONT AXLE INSTALLATION, 74HP
FIGURE 5-5. REAR AXLE INSTALLATION
FIGURE 5-6. REAR AXLE INSTALLATION, 74HP
FIGURE 5-7. DRIVE SHAFTS INSTALLATION
FIGURE 5-8. FRONT AXLE MOUNTING INSTALLATION
FIGURE 5-9. FRONT AXLE MOUNTING INSTALLATION, 74HP
FIGURE 5-10. FONT AXLE LINES INSTALLATION
FIGURE 5-11. REAR AXLE MOUNTING INSTALLATION
FIGURE 5-12. REAR AXLE MOUNTING INSTALLATION, 74HP
FIGURE 5-13. REAR AXLE LINES INSTALLATION
FIGURE 5-14. FRONT DRIVE SHAFT INSTALLATION
FIGURE 5-15. REAR DRIVE SHAFT INSTALLATION
FIGURE 5-16. FRONT AXLE
FIGURE 5-17. FRONT AXLE, CENTRAL HOUSING
FIGURE 5-18. FRONT AXLE, DIFFERENTIAL
FIGURE 5-19. FRONT AXLE, HUB REDUCTION
FIGURE 5-20. FRONT AXLE, BRAKES
FIGURE 5-21. FRONT AXLE, STEERING
FIGURE 5-22. FRONT AXLE, TRUNION
FIGURE 5-23. FRONT AXLE, DIFFERENTIAL
FIGURE 5-24. FRONT AXLE, REDUCTION BUSHING
FIGURE 5-25. FRONT AXLE, PLANET GEAR CARRIER
FIGURE 5-26. FRONT AXLE, RING GEAR SUPPORT
FIGURE 5-27. FRONT AXLE, PLANET GEAR
FIGURE 5-28. FRONT AXLE, TRUNION KIT
FIGURE 5-29. FRONT AXLE, 74HP
FIGURE 5-30. FRONT AXLE, CENTRAL HOUSING 74HP
FIGURE 5-31. FRONT AXLE, DIFFERENTIAL 74HP
FIGURE 5-32. FRONT AXLE, HUB REDUCTION 74HP
FIGURE 5-33. FRONT AXLE, BRAKES 74HP
FIGURE 5-34. FRONT AXLE, STEERING 74HP
FIGURE 5-35. FRONT AXLE, TRUNION 74HP
FIGURE 5-36. REAR AXLE
FIGURE 5-37. REAR AXLE, CENTRAL HOUSING
FIGURE 5-38. REAR AXLE, DIFFERENTIAL
FIGURE 5-39. REAR AXLE, HUB REDUCTION
FIGURE 5-40. REAR AXLE, BRAKES
FIGURE 5-41. REAR AXLE, STEERING
FIGURE 5-42. REAR AXLE, TRUNION
FIGURE 5-43. REAR AXLE, DIFFERENTIAL KIT
FIGURE 5-44. REAR AXLE, REDUCTION BUSHING
FIGURE 5-45. REAR AXLE, PLANET GEAR CARRIER KIT
FIGURE 5-46. REAR AXLE, RING GEAR SUPPORT KIT
FIGURE 5-47. REAR AXLE, PLANET GEAR KIT
FIGURE 5-48. REAR AXLE, PISTON KIT

FIGURE 5-49. REAR AXLE, SUPPORT KIT

FIGURE 5-50. REAR AXLE, 74HP

FIGURE 5-51. REAR AXLE, CENTRAL HOUSING 74HP

FIGURE 5-52. REAR AXLE, DIFFERENTIAL 74HP (742)

FIGURE 5-53. REAR AXLE, HUB REDUCTION 74HP (742)

FIGURE 5-55. REAR AXLE, STEERING 74HP (742)

FIGURE 5-57. TRANSMISSION INSTALLATION

FIGURE 5-58. TRANSMISSION INSTALLATION

FIGURE 5-59. POWERSHIFT TRANSMISSION

FIGURE 5-60. TRANSMISION, ENGINE CONNECTION

FIGURE 5-61. TRANSMISSION, CONVERTER

FIGURE 5-62. TRANSMISSION, INPUT

FIGURE 5-63. TRANSMISSION, HOUSING GROUP 1

FIGURE 5-64. TRANSMISSION, HOUSING GROUP 2

FIGURE 5-65. TRANSMISSION, CLUTCH GROUP 1

FIGURE 5-66. TRANSMISSION, CLUTCH GROUP 2

FIGURE 5-67. TRANSMISSION, COUPLING GROUP 1

FIGURE 5-68. TRANSMISSION, COUPLING GROUP 2

FIGURE 5-69. TRANSMISSION, COUPLING GROUP 3

FIGURE 5-70. TRANSMISSION, COUPLING GROUP 4

FIGURE 5-71. TRANSMISSION, OUTPUT

FIGURE 5-72. TRANSMISSION, POWER TAKE-OFF

FIGURE 5-73. TRANSMISSION, CONTROL UNIT

FIGURE 5-74. TRANSMISSION, SHIFT SYSTEM

FIGURE 5-75. TRANSMISSION, PRESSURE REGULATOR

FIGURE 5-76. TRANSMISSION, PRESSURE OIL PUMP

FIGURE 5-77. TRANSMISSION, INDUCTIVE TRANSMITTER

FIGURE 5-78. TRANSMISSION, FILTER

FIGURE 5-79. TRANSMISSION, ACCESSORIES GROUP 1

FIGURE 5-80. TRANSMISSION, PERIPHERALS GROUP 1

FIGURE 5-81. TRANSMISSION, PERIPHERALS GROUP 2

FIGURE 5-82. TRANSMISSION, ACCESSORIES GROUP 2

FIGURE 5-83. TRANSMISSION, TRANSFER BOX

FIGURE 5-84. TRANSMISSION, TRANSFER BOX HOUSING 1

FIGURE 5-85. TRANSMISSION, TRANSFER BOX HOUSING 2

FIGURE 5-86. TRANSMISSION, TRANSFER BOX HOUSING INPUT

FIGURE 5-87. TRANSMISSION, TRANSFER BOX HOUSING OUTPUT 1

FIGURE 5-88. TRANMISSION, TRANSFER BOX HOUSING OUTPUT 2

FIGURE 5-91. TIRE SET, 370/75-28 PNEUMATIC NON-MARKING

FIGURE 5-92. TIRE & WHEEL ASSY, 370/75-28 PNEMATIC NON-MARKING

FIGURE 5-94. TIRE SET, 370/75-28 FOAM NON-MARKING

FIGURE 5-96. TIRE/WHEEL RIGHT ASSEMBLY 13-24 16PR - AIR

FIGURE 5-97. TIRE/WHEEL LEFT ASSEMBLY 13-24 16PR - AIR

FIGURE 5-100. FENDER INSTALLATION

FIGURE 5-101. CAB FENDER INSTALLATION REAR (LH)

FIGURE 5-102. WHEEL CHOCK INSTALLATION

FIGURE 5-103. TOOLBOX INSTALLATION

SECTION 6 - CAB

FIGURE 6-1. CAB MOUNTING

FIGURE 6-2. CAB MOUNTS INSTALLATION

FIGURE 6-3. FRONT CAB OUTRIGGER INSTALLATION

FIGURE 6-4. OROPS CAB INSTALLATION

FIGURE 6-5. EROPS CAB INSTALLATION

FIGURE 6-6. CAB, TRIM KIT

FIGURE 6-7. CAB, TRIM KIT

FIGURE 6-8. OPEN CAB ASSEMBLY

FIGURE 6-9. OPEN CAB PLUG GROUP63 topics

FIGURE 6-10. CAB, EPD CAULK
FIGURE 6-11. ENCLOSED CAB ASSEMBLY
FIGURE 6-12. REAR WINDOW INSTALLATION
FIGURE 6-13. REAR WINDOW INSTALLATION (WO/WIPER) (ANSI)
FIGURE 6-14. REAR WINDOW INSTALLATION (WO/WIPER) (ISO)
FIGURE 6-15. REAR WINDOW ASSEMBLY
FIGURE 6-16. DOOR INSTALLATION
FIGURE 6-17. DOOR UPPER GLASS ASSEMBLY
FIGURE 6-18. CAB LATCH ASSEMBLY
FIGURE 6-19. CAB DOOR TRIGGER ASSEMBLY
FIGURE 6-20. DOOR ASSEMBLY
FIGURE 6-21. CAB DOOR
FIGURE 6-22. DOOR STRAP INSTALLATION
FIGURE 6-23. ENCLOSED CAB PLUG GROUP
FIGURE 6-24. BASIC MIRROR INSTALLATION
FIGURE 6-25. FRONT COVER INSTALLATION
FIGURE 6-26. FILTER TRAY PANEL
FIGURE 6-27. FRONT DUCT COVER
FIGURE 6-28. LEVEL INDICATOR INSTALLATION
FIGURE 6-29. SEAT INSTALLATION
FIGURE 6-30. SEAT
FIGURE 6-31. SEAT BELT INSTALLATION (3 INCH)
FIGURE 6-32. HEATER INSTALLATION
FIGURE 6-33. HEATER ASSEMBLY
FIGURE 6-34. HEATER
FIGURE 6-35. HEATER
FIGURE 6-36. HVAC CAB ACTUATOR
FIGURE 6-37. FRONT WIPER INSTALLATION
FIGURE 6-38. REAR WIPER INSTALLATION
FIGURE 6-39. ROOF WIPER INSTALLATION
FIGURE 6-40. HEADLINER INSTALLATION
FIGURE 6-41. ENCLOSED CAB TRIM INSTALLATION
FIGURE 6-42. ROOF CAP INSTALLATION (A/C)
FIGURE 6-43. ROOF CAP INSTALLATION (NO A/C)
FIGURE 6-44. NON SKID TAPE INSTALLATION
FIGURE 6-45. EXTERNAL WINDOW RELEASE INSTALLATION (CAN & ISO)
FIGURE 6-46. WASHER TANK INSTALLATION
FIGURE 6-47. CAB GUARD INSTALLATION (TOP AND FRONT)
FIGURE 6-48. CAB GUARD INSTALLATION (TOP)
FIGURE 6-49. CAB GUARD INSTALLATION (FRONT)
FIGURE 6-50. ROOF PIGTAIL CAP INSTALLATION
FIGURE 6-51. ROOF PIGTAIL INSTALLATION
FIGURE 6-52. RETRACTABLE SUNSCREEN INSTALLATION
SECTION 7 - CONTROLS
FIGURE 7-1. BRAKE PEDAL INSTALLATION
FIGURE 7-2. BRAKE PEDAL
FIGURE 7-3. BRAKE PEDAL PLATE
FIGURE 7-4. ACCELERATOR PEDAL INSTALLATION
FIGURE 7-5. ACCELERATOR PEDAL
FIGURE 7-6. STEERING COLUMN INSTALLATION
FIGURE 7-7. STEERING COLUMN INSTALLATION (EMERGENCY STEERING)
FIGURE 7-8. STEERING WHEEL INSTALLATION
FIGURE 7-9. STEERING WHEEL
FIGURE 7-10. HORN BUTTON INSTALLATION
FIGURE 7-11. JOYSTICK INSTALLATION (2 ROLLER, 0 BUTTON)
FIGURE 7-12. COLUMN CLAMP INSTALLATION
FIGURE 7-13. WIPER-TURN SWITCH
FIGURE 7-14. JOYSTICK
SECTION 8 - HYDRAULIC CIRCUITS
FIGURE 8-1. MAIN HYDRAULIC INSTALLATION (110HP)
FIGURE 8-2. MAIN HYDRAULIC INSTALLATION (74HP)
FIGURE 8-3. MAIN HYDRAULIC INSTALLATION (EMERGENCY STEERING)
FIGURE 8-4. MAIN HYDRAULIC INSTALLATION - 74HP (EMERGENCY STEERING NO

FIGURE 8-5. VALVE INSTALLATION (NO OUTRIGGERS)

FIGURE 8-6. VALVE INSTALLATION

FIGURE 8-7. PISTON PUMP INSTALLATION

FIGURE 8-8. PISTON PUMP INSTALLATION

FIGURE 8-9. MAIN HYDRAULICS INSTALLATION

FIGURE 8-10. MAIN HYDRAULICS INSTALLATION

FIGURE 8-11. FRAME LEVEL HYDRAULICS INSTALLATION (NO OUTRIGGERS)

FIGURE 8-12. FRAME LEVEL HYDRAULICS INSTALL (NO OUTRIGGERS)

FIGURE 8-13. CAB HYDRAULIC INSTALLATION

FIGURE 8-14. CAB HYDRAULICS INSTALLATION

FIGURE 8-15. CAB HYDRAULIC INSTALLATION

FIGURE 8-16. CAB HYDRAULIC INSTALLATION (EMERGENCY STEERING)

FIGURE 8-17. BOOM HYDRAULIC INSTALLATION

FIGURE 8-18. BOOM HYDRAULIC INSTALLATION

FIGURE 8-19. MAIN CONTROL VALVE INSTALLATION

FIGURE 8-20. MAIN CONTROL VALVE INSTALLATION

FIGURE 8-21. MAIN HYDRAULIC VALVES INSTALLATION

FIGURE 8-22. MAIN CONTROL VALVE ASSEMBLY

FIGURE 8-23. MAIN CONTROL VALVE ASSEMBLY

FIGURE 8-24. MAIN CONTROL VALVE

FIGURE 8-25. STEERING SELECT AND FRAME LEVEL VALVE INSTALLATION

FIGURE 8-26. PARK BRAKE INSTALLATION

FIGURE 8-27. PARK BRAKE VALVE ASSEMBLY

FIGURE 8-28. PISTON PUMP ASSEMBLY

FIGURE 8-29. PISTON PUMP ASSEMBLY

FIGURE 8-30. FRAME LEVEL INSTALLATION

FIGURE 8-31. FRAME LEVEL VALVE ASSEMBLY

FIGURE 8-32. STEERING SELECT VALVE MOUNTING INSTALLATION

FIGURE 8-33. STEERING SELECT VALVE INSTALLATION

FIGURE 8-34. STEERING SELECT VALVE ASSEMBLY

FIGURE 8-35. REAR AXLE STABILIZER INSTALLATION

FIGURE 8-36. COUNTERBALANCE VALVE INSTALLATION (LIFT - GLS NO RIDE CONTROL)

FIGURE 8-37. COUNTERBALANCE VALVE INSTALLATION

FIGURE 8-38. COUNTERBALANCE VALVE INSTALLATION (LIFT - GLS RIDE CONTROL)

FIGURE 8-39. COUNTERBALANCE VALVE INSTALLATION

FIGURE 8-40. COUNTERBALANCE VALVE HYDRAULIC LINES (LIFT - RIDE CONTROL)

FIGURE 8-41. INTGRATED RECOVERY VALVE

FIGURE 8-42. BOOM HYDRAULIC TUBES INSTALLATION

FIGURE 8-43. BOOM AUXILIARY HYDRAULICS INSTALLATION

FIGURE 8-44. BOOM AUXILIARY HYDRAULICS (HYDRAULIC COUPLER)

FIGURE 8-45. BOOM AUXILIARY HYDRAULICS (SIDE MOUNTED)

FIGURE 8-46. QUICK COUPLER VALVE ASSEMBLY

FIGURE 8-47. HYDRAULIC QUICK COUPLER ASSEMBLY

FIGURE 8-48. QUICK COUPLER CYLINDER ASSEMBLY

FIGURE 8-49. BOOM ANGLE SENSOR INSTALLATION

FIGURE 8-50. EMERGENCY STEERING MANIFOLD

FIGURE 8-51. AIR SHUT OFF VALVE

FIGURE 8-52. PRIORITY FUNCTION MANIFOLD INSTALLATION

FIGURE 8-53. PRIORITY FUNCTION MANIFOLD VALVE ASSEMBLY

SECTION 9 - HYDRAULIC COMPONENTS

FIGURE 9-1. CYLINDER GROUP INSTALLATION

FIGURE 9-2. CYLINDER GROUP INSTALLATION - 74HP

FIGURE 9-3. LIFT CYLINDER

FIGURE 9-4. LIFT CYLINDER

FIGURE 9-5. TILT CYLINDER ASSEMBLY

FIGURE 9-6. TILT CYLINDER

FIGURE 9-7. TILT CYLINDER

FIGURE 9-8. COMPENSATION CYLINDER

FIGURE 9-9. COMPENSATION CYLINDER

FIGURE 9-10. FRAME LEVEL CYLINDER INSTALLATION

FIGURE 9-11. FRAME LEVEL CYLINDER

FIGURE 9-12. EXTEND/RETRACT CYLINDER ASSEMBLY

FIGURE 9-13. EXTEND/RETRACT CYLINDER

FIGURE 9-14. EXTEND/RETRACT CYLINDER

FIGURE 9-15. EXTEND/RETRACT CYLINDER65 topics

FIGURE 9-16. REAR AXLE STABILIZER CYLINDER INSTALLATION
FIGURE 9-17. REAR AXLE STABILITY CYLINDER
FIGURE 9-18. SIDE TILT CYLINDER
FIGURE 9-19. REAR AXLE STABILIZER VALVE
FIGURE 9-20. MAIN CONTROL VALVE
FIGURE 9-21. GEAR PUMP
FIGURE 9-22. PISTON PUMP
FIGURE 9-23. STEERING ORBITAL VALVE
FIGURE 9-24. STEERING SELECT VALVE
FIGURE 9-25. HYDRAULIC PARK BRAKE RELEASE VALVE
FIGURE 9-26. FRAME LEVEL VALVE
FIGURE 9-27. FRAME LEVEL AND OUTRIGGER VALVE
FIGURE 9-28. DIVERTOR VALVE
FIGURE 9-29. QUICK COUPLER CYLINDER
FIGURE 9-30. SWING CARRIAGE CYLINDER
FIGURE 9-31. SIDE SHIFT CARRIAGE CYLINDER
FIGURE 9-32. TANK HYDRAULIC
FIGURE 9-33. FLOW DIVIDER VALVE
FIGURE 9-34. PARK BRAKE VALVE
FIGURE 9-35. PRIORITY MANIFOLD VALVE
SECTION 10 - ELECTRICAL
FIGURE 10-1. MAIN ELECTRICAL INSTALLATION (ULS)
FIGURE 10-2. MAIN ELECTRICAL INSTALLATION (ULS) (74 HP)
FIGURE 10-3. MAIN ELECTRICAL INSTALLATION (LS)
FIGURE 10-4. ELECTRICAL FRAME INSTALLATION
FIGURE 10-5. POWER DISTRIBUTION ELECTRICAL BOX
FIGURE 10-6. ENGINE BAY WIRING INSTALLATION (ULS)
FIGURE 10-7. ENGINE BAY WIRING INSTALLATION, 74HP (ULS)
FIGURE 10-8. ENGINE BAY WIRING INSTALLATION (LS)
FIGURE 10-9. FRAME WIRING INSTALLATION (ULS)
FIGURE 10-10. FRAME WIRING INSTALLATION (ULS)
FIGURE 10-11. FRAME WIRING INSTALLATION (LS)
FIGURE 10-12. ENGINE BAY ELECTRICAL INSTALLATION
FIGURE 10-13. ENGINE BAY ELECTRICAL INSTALLATION (ULS)
FIGURE 10-14. ENGINE WIRING INSTALLATION, 74HP (ULS)
FIGURE 10-15. ENGINE ECU INSTALLATION (LS)
FIGURE 10-16. ENGINE WIRING INSTALLATION (LS)
FIGURE 10-17. ENGINE WIRING INSTALLATION (ULS)
FIGURE 10-18. ENGINE ECU INSTALLATION (ULS)
FIGURE 10-19. BOOM AUXILIARY ELECTRIC INSTALLATION
FIGURE 10-20. BOOM AUXILIARY ELECTRIC HARNESS INSTALLATION
FIGURE 10-21. BATTERY INSTALLATION
FIGURE 10-22. BATTERY INSTALLATION
FIGURE 10-23. ARCTIC WEATHER PACKAGE INSTALLATION - 110 HP (ULS)
FIGURE 10-24. ARCTIC WEATHER PACKAGE INSTALLATION - 74 HP (ULS)
FIGURE 10-25. ARCTIC COLD WEATHER PACKAGE INSTALLATION (LS)
FIGURE 10-26. FUEL FILTER HEATER INSTALLATION
FIGURE 10-27. ARTIC BATTERIES INSTALLATION
FIGURE 10-28. HYDRAULIC TANK HEATER INSTALLATION
FIGURE 10-29. BACKUP ALARM INSTALLATION (120 DB)
FIGURE 10-30. BACKUP ALARM INSTALLATION (97 DB)
FIGURE 10-31. WHITE NOISE BACKUP ALARM INSTALLATION
FIGURE 10-32. CAB ELECTRICAL INSTALLATION
FIGURE 10-33. DASH ELECTRICAL INSTALLATION
FIGURE 10-34. DASH ELECTRICAL INSTALLATION (LS)
FIGURE 10-35. SWITCH LIGHT INSTALLATION
FIGURE 10-36. USB CHARGER INSTALLATION
FIGURE 10-37. OPEN CAB ELECTRICAL INSTALLATION WITH OPTIONS
FIGURE 10-38. MULTIFUNCTION DISPLAY INSTALLATION
FIGURE 10-39. ENCLOSED CAB ELECTRICAL INSTALLATION WITH OPTIONS
FIGURE 10-40. REVERSE CAMERA INSTALLATION
FIGURE 10-41. REVERSE CAMERA, NO HED
FIGURE 10-42. REVERSE SENSOR INSTALLATION
FIGURE 10-43. TELEMATICS READY INSTALLATION
FIGURE 10-44. ROAD LIGHTS INSTALLATION

FIGURE 10-45. CAB WORKLIGHTS INSTALLATION (NO A/C)

FIGURE 10-46. CAB WORKLIGHTS INSTALLATION (NO A/C - LED)

FIGURE 10-47. CAB WORKLIGHTS INSTALLATION (A/C)

FIGURE 10-48. CAB WORKLIGHTS INSTALLATION (A/C - LED)

FIGURE 10-49. BOOM WORK LIGHTS INSTALLATION

FIGURE 10-50. BOOM WORK LIGHTS INSTALLATION (LED)

FIGURE 10-51. BOOM LIGHTS INSTALLATION

FIGURE 10-52. BOOM LED LIGHTS INSTALLATION

FIGURE 10-53. BOOM WORKLIGHTS HARNESS

FIGURE 10-54. BEACON INSTALLATION

FIGURE 10-55. BEACON INSTALLATION (LED)

FIGURE 10-56. RIDE CONTROL CB VALVE HARNESS INSTALLATION (LIFT)

FIGURE 10-57. FRONT FRAME HARNESS

FIGURE 10-58. REAR FRAME HARNESS

FIGURE 10-59. REAR FRAME HARNESS

FIGURE 10-60. ENGINE HARNESS

FIGURE 10-61. ENGINE HARNESS

FIGURE 10-62. ENGINE CHASSIS HARNESS (ULS)

FIGURE 10-63. ENGINE HARNESS (ULS) (74HP)

FIGURE 10-64. TBAP HARNESS

FIGURE 10-65. BOOM ELECTRICAL HARNESS INSTALLATION

FIGURE 10-66. BOOM HARNESS

FIGURE 10-67. PLATFORM HARNESS

FIGURE 10-68. CAB HARNESS

FIGURE 10-69. OPTION 1 CAB HARNESS

FIGURE 10-70. FRONT FRAME HEADLIGHT HARNESS

FIGURE 10-71. TAIL LIGHTS HARNESS

FIGURE 10-72. ROOF PIGTAIL HARNESS

FIGURE 10-73. OPTION 2 CAB HARNESS

FIGURE 10-74. OPTION 2 ELECTRICAL BOARD ASSEMBLY

FIGURE 10-75. CAB OPTION HARNESS

FIGURE 10-76. TELEMATICS READY HARNESS

FIGURE 10-77. STANDARD ELECTRICAL BOARD ASSEMBLY

FIGURE 10-78. OPTION 1 ELECTRICAL BOARD ASSEMBLY

FIGURE 10-79. CUMMUNICATION ANALYSER CABLE

FIGURE 10-80. TELEMATICS HARNESS

FIGURE 10-81. CLEARSKY INSTALLATION 3-WIRE (ANSI)

FIGURE 10-82. CLEARSKY INSTALLATION 3-WIRE (CE)

FIGURE 10-83. CUSTOMER SUPPLIED TELEMATICS CANBUS

FIGURE 10-84. GATEWAY CONTROLLER

FIGURE 10-85. TELEMATICS CANBUS INSTALLATION (CLEARSKY 2) (ANSI)

FIGURE 10-86. TELEMATICS CANBUS INSTALLATION (CLEARSKY 2) (CE)

FIGURE 10-87. 4WARD TELEMATIC, HARNESS (CLEARSKY 2)

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. TELEMATICS HARNESS

FIGURE 10-92. REVERSE SENSOR HARNESS

FIGURE 10-93. RIDE CONTROL CB VALVE HARNESS (LIFT)

FIGURE 10-94. DEF PURGE LIGHT HARNESS

FIGURE 10-95. CUMMINS BREATHER HEATER HARNESS

FIGURE 10-96. REVERSE CAMERA OPTION HARNESS, NO HED

SECTION 11 - DECALS

FIGURE 11-1. CAPACITY CHART HOLDER INSTALLATION

FIGURE 11-2. BRAND AND MODEL DECAL INSTALLATION

FIGURE 11-3. CAPACITY CHART BOOKLET

FIGURE 11-4. CAPACITY CHART BOOKLET

FIGURE 11-5. REVERSE SENSOR SYSTEM DECAL (ENGLISH)

FIGURE 11-6. REVERSE SENSOR SYSTEM DECAL

FIGURE 11-7. REVERSE SENSING SYSTEM DECAL, (ENGLISH/FRENCH)

FIGURE 11-8. CLEARSKY DECAL INSTALLATION

FIGURE 11-9. DECAL INSTALLATION (ANSI) (110 HP)

FIGURE 11-10. DECAL INSTALLATION (ISO) (110 HP)

FIGURE 11-11. DECAL INSTALLATION (CSA ENGLISH/FRENCH) (110 HP)

FIGURE 11-12. DECAL INSTALLATION (ANSI) (74 HP)5 topics

FIGURE 11-13. DECAL INSTALLATION (ISO) (74 HP)
FIGURE 11-14. DECAL INSTALLATION (CSA ENGLISH/FRENCH) (74 HP)
SECTION 12 - RECOMMENDED SPARE PARTS
FIGURE 12-1. RECOMMENDED SPARE PARTS
PART NUMBER INDEX

Inside this manual

Real pages from this parts manual (1,126 pages). Open the sample pages (PDF, 564 KB)

Sample pages from the JLG 742 Telehandler Parts Manual: Parts illustration, Parts illustration, Parts illustration

Parts illustration, page 201: SECTION 4 - ENGINE AND ATTACHING PARTS
Parts illustration, page 847: SECTION 10 - ELECTRICAL
Parts illustration, page 1,051: SECTION 10 - ELECTRICAL

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 742 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Parts Manual 31211313$119.71

Service manuals

Service Manual 31211033 · 566 pagesCovers 1043, 1055, 1255, 642, 742, 943Serial: Prior to 0160101097$69.71Details

Service Manual 31211369 · 544 pagesCovers 1043, 1055, 1255, 742, 943$69.77Details

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, 1,126 pages

Quantity one is the manual described above.

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Other editions and similar models

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