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JLG 1644 Telehandler Parts Manual

910 pages · Publication 31211281

$99.81
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Models
1644
Serial coverage
Prior to 0160100943
Manual type
Parts Manual
Pages
910
Publication
31211281
Condition
Brand new
JLG 1644 Telehandler Parts Manual, publication 31211281

What's inside

From the manual's own table of contents: 190 sections, 396 entries. See sample pages (PDF, 571 KB)

General49 topics
  • SECTION 1 - FRAME AND ATTACHING PARTS
  • FIGURE 1-1. FRAME WELDMENT
  • FIGURE 1-2. GROMMETS INSTALLATION
  • FIGURE 1-3. TANK INSTALLATION
  • FIGURE 1-4. FUEL TANK INSTALLATION
  • FIGURE 1-5. HYDRAULIC TANK INSTALLATION
  • FIGURE 1-6. TANK SUPPORT INSTALLATION
  • FIGURE 1-7. FUEL TANK ASSEMBLY
  • FIGURE 1-8. LOCKING FUEL CAP
  • FIGURE 1-9. HYDRAULIC TANK ASSEMBLY
  • FIGURE 1-10. COUNTERWEIGHT INSTALLATION
  • FIGURE 1-11. ENGINE ENCLOSURE INSTALLATION
  • FIGURE 1-12. ENGINE ENCLOSURE ASSEMBLY
  • FIGURE 1-13. HOOD ASSEMBLY
  • FIGURE 1-14. HOOD ASSEMBLY
  • FIGURE 1-15. COVER INSTALLATION (ULS)
  • FIGURE 1-16. FRAME COVER INSTALLATION
  • FIGURE 1-17. MIRROR INSTALLATION
  • SECTION 2 - BOOM
  • FIGURE 2-1. BOOM INSTALLATION
  • FIGURE 2-2. BOOM ASSEMBLY
  • FIGURE 2-3. FIRST BOOM SECTION ASSEMBLY
  • FIGURE 2-4. SECOND BOOM SECTION ASSEMBLY
  • FIGURE 2-5. THIRD BOOM SECTION ASSEMBLY
  • FIGURE 2-6. COUPLER INSTALLATION (MANUAL)
  • FIGURE 2-7. COUPLER INSTALLATION (HYDRAULIC)
  • FIGURE 2-8. COUPLER LOCKING CYLINDER ASSEMBLY
  • FIGURE 2-9. MANUAL COUPLER PIN HOLDER INSTALLATION
  • FIGURE 2-10. BOOM BRUSHES INSTALLATION
  • FIGURE 2-11. BOOM PROP BRACKET ASSEMBLY
  • SECTION 3 - ATTACHMENTS
  • FIGURE 3-1. ATTACHMENT RECOGNITION INSTALLATION
  • FIGURE 3-2. COMPONENTS ATTACHMENT RECOGNITION INSTALLATION
  • FIGURE 3-3. CARRIAGE ASSEMBLY, (60IN/1524MM)
  • FIGURE 3-4. CARRIAGE ASSEMBLY, (72IN/1829MM)
  • FIGURE 3-5. CARRIAGE ASSEMBLY, (87IN/2290MM)
  • FIGURE 3-6. DUAL FORK POSITIONING SIDE SHIFT CARRIAGE, (75IN/1899MM)
  • FIGURE 3-7. DUAL FORK POSITIONING CARRIAGE, (72IN/1829MM)
  • FIGURE 3-14. BALE HANDLER (ROUND)
  • FIGURE 3-15. BALE HANDLER (SQUARE)
  • FIGURE 3-16. PIPE HANDLER CARRIAGE
  • FIGURE 3-17. LOG HANDLER CARRIAGE
  • FIGURE 3-18. STEEL COIL HANDLER CARRIAGE
  • FIGURE 3-23. FORK RETENTION INSTALLATION
  • FIGURE 3-24. HOOK ATTACH, FORK MOUNTED
  • SECTION 4 - ENGINE AND ATTACHING PARTS
  • FIGURE 4-1. ENGINE POD COMPONENT INSTALLATION (ULS)
  • FIGURE 4-2. ENGINE POD COMPONENT INSTALLATION (MINING) (ULS)
  • FIGURE 4-3. ENGINE INSTALLATION (ULS)
FIGURE 4-5. ENGINE MOUNT INSTALLATION
FIGURE 4-6. AIR INTAKE INSTALLATION (ULS)
FIGURE 4-7. AIR CLEANER INSTALLATION
FIGURE 4-8. PRIMARY FUEL FILTER INSTALLATION (ULS)
FIGURE 4-9. REMOTE FUEL PUMP INSTALLATION
FIGURE 4-10. FUEL LINES INSTALLATION
FIGURE 4-11. HYDROSTATIC ADAPTOR INSTALLATION
FIGURE 4-12. DUAL DRIVE SUPPORT ASSEMBLY
FIGURE 4-13. HYDROSTATIC DRIVE PUMP INSTALLATION
FIGURE 4-14. HYDROSTATIC DRIVE PUMP ASSEMBLY
FIGURE 4-15. IMPLEMENT PUMP INSTALLATION
FIGURE 4-16. IMPLEMENT PUMP ASSEMBLY
FIGURE 4-17. DEF COOLANT LINES INSTALLATION (ULS)
FIGURE 4-18. COOLING PACKAGE INSTALLATION
FIGURE 4-19. COOLING PACKAGE INSTALLATION
FIGURE 4-20. RADIATOR
FIGURE 4-21. COOLANT LINES INSTALLATION
FIGURE 4-22. RADIATOR LINES INSTALLATION
FIGURE 4-23. SURGE TANK INSTALLATION
FIGURE 4-24. TRANSMISION OIL COOLER LINES INSTALLATION
FIGURE 4-25. FAN GUARD INSTALLATION
FIGURE 4-26. FAN GUARD (REVERSING) INSTALLATION
FIGURE 4-27. COOLING FAN INSTALLATION
Show all 191 sections
FIGURE 4-28. REVERSE COOLING FAN INSTALLATION
FIGURE 4-29. COMPRESSOR COVER INSTALLATION
FIGURE 4-30. EXHAUST INSTALLATION (ULS)
FIGURE 4-31. DEF CONTROL MODULE INSTALLATION
FIGURE 4-32. DEF LINES INSTALLATION
FIGURE 4-33. DEF TANK INSTALLATION
FIGURE 4-34. DEF TANK ASSEMBLY
FIGURE 4-35. HEATER LINES INSTALLATION (ULS)
FIGURE 4-36. A/C PUMP INSTALLATION
FIGURE 4-37. A/C LINES INSTALLATION
FIGURE 4-38. BLOCK HEATER INSTALLATION (115V) (ULS)
FIGURE 4-39. HEATED BREATHER TUBE INSTALLATION
SECTION 5 - DRIVETRAIN
FIGURE 5-1. DRIVETRAIN INSTALLATION
FIGURE 5-2. FRONT AXLE INSTALLATION
FIGURE 5-3. FRONT AXLE MOUNTING INSTALLATION
FIGURE 5-4. FRONT AXLE LINES INSTALLATION
FIGURE 5-5. REAR AXLE INSTALLATION
FIGURE 5-6. REAR AXLE MOUNTING INSTALLATION
FIGURE 5-7. REAR AXLE LINES INSTALLATION
FIGURE 5-8. FRONT AXLE
FIGURE 5-9. FRONT AXLE, CENTRAL HOUSING
FIGURE 5-10. FRONT AXLE, DIFFERENTIAL
FIGURE 5-11. FRONT AXLE, HUB REDUCTION
FIGURE 5-12. FRONT AXLE, BRAKES
FIGURE 5-13. FRONT AXLE, STEERING
FIGURE 5-14. FRONT AXLE, TRUNION
FIGURE 5-15. REAR AXLE
FIGURE 5-16. REAR AXLE, CENTRAL HOUSING
FIGURE 5-17. REAR AXLE, DIFFERENTIAL
FIGURE 5-18. REAR AXLE, HUB REDUCTION
FIGURE 5-19. REAR AXLE, BRAKES
FIGURE 5-20. REAR AXLE, STEERING
FIGURE 5-21. REAR AXLE, TRUNION
FIGURE 5-22. DIFFERENTIAL KIT
FIGURE 5-23. DIFFERENTIAL KIT
FIGURE 5-24. STEERING CASE KIT (RF, LR)
FIGURE 5-25. STEERING CASE KIT (LF, RR)
FIGURE 5-26. TRUNION KIT
FIGURE 5-27. RING GEAR SUPPORT KIT
FIGURE 5-28. REDUCTION BUSHING KIT62 topics
  • FIGURE 5-29. PLANET GEAR CARRIER KIT
  • FIGURE 5-30. RALP INSTALLATION
  • FIGURE 5-31. RALP MECHANICAL INSTALLATION
  • FIGURE 5-32. GEARBOX INSTALLATION
  • FIGURE 5-33. GEAR BOX
  • FIGURE 5-34. HYDROSTATIC MOTOR INSTALLATION
  • FIGURE 5-35. HYDROSTATIC MOTOR ASSEMBLY
  • FIGURE 5-36. DRIVE SHAFT INSTALLATION
  • FIGURE 5-38. RIGHT TIRE/WHEEL ASSEMBLY (AIR 17.5-25 - 20 PLY)
  • FIGURE 5-39. LEFT TIRE/WHEEL ASSEMBLY (AIR 17.5-25 - 20 PLY)
  • FIGURE 5-42. RIGHT TIRE/WHEEL ASSEMBLY (AIR 17.5 R25 - RADIAL)
  • FIGURE 5-43. LEFT TIRE/WHEEL ASSEMBLY (AIR 17.5 R25 - RADIAL)
  • FIGURE 5-44. FENDER INSTALLATION
  • FIGURE 5-45. RH FENDER ASSEMBLY
  • FIGURE 5-46. LH FENDER ASSEMBLY
  • SECTION 6 - CAB
  • FIGURE 6-1. CAB MOUNTING INSTALLATION
  • FIGURE 6-2. FRONT CAB MOUNT BRACKET INSTALLATION
  • FIGURE 6-3. CAB MOUNTS INSTALLATION
  • FIGURE 6-4. CAB COMPONENTS INSTALLATION
  • FIGURE 6-5. CAB INSTALLATION
  • FIGURE 6-6. CAB ASSEMBLY
  • FIGURE 6-7. CAB DOOR INSTALLATION
  • FIGURE 6-8. CAB DOOR ASSEMBLY
  • FIGURE 6-9. CAB DOOR WINDOW INSTALLATION
  • FIGURE 6-10. CAB LATCH ASSEMBLY
  • FIGURE 6-11. CAB DOOR TRIGGER ASSEMBLY
  • FIGURE 6-12. DOOR STRAP INSTALLATION
  • FIGURE 6-13. REAR WINDOW INSTALLATION
  • FIGURE 6-14. REAR WINDOW GROUP
  • FIGURE 6-15. CAB PLUG GROUP
  • FIGURE 6-16. BASIC MIRROR INSTALLATION
  • FIGURE 6-17. INTERIOR MIRROR INSTALLATION
  • FIGURE 6-18. INTERIOR MIRROR
  • FIGURE 6-19. FRONT WIPER INSTALLATION
  • FIGURE 6-20. WASHER TANK INSTALLATION
  • FIGURE 6-21. WASHER BOTTLE
  • FIGURE 6-22. FRONT COVER INSTALLATION
  • FIGURE 6-23. FRONT DUCT COVER
  • FIGURE 6-24. FILTER TRAY PANEL
  • FIGURE 6-25. LEVEL INDICATOR INSTALLATION
  • FIGURE 6-26. REAR WIPER INSTALLATION
  • FIGURE 6-27. MULTIFUNCTION DISPLAY INSTALLATION
  • FIGURE 6-28. SEAT INSTALLATION (MECHANICAL)
  • FIGURE 6-29. SEAT ASSEMBLY (MECHANICAL)
  • FIGURE 6-30. SEAT INSTALLATION (AIR SUSPENSION - STANDARD)
  • FIGURE 6-31. SEAT ASSEMBLY (AIR SUSPENSION - STANDARD)
  • FIGURE 6-32. SEAT INSTALLATION (AIR SUSPENSION - PREMIUM)
  • FIGURE 6-33. SEAT ASSEMBLY (AIR SUSPENSION - PREMIUM)
  • FIGURE 6-34. HEATER INSTALLATION (CAB PARTS)
  • FIGURE 6-35. HEATER AND A/C INSTALLATION (CAB PARTS)
  • FIGURE 6-36. CAB CONDENSER ASSEMBLY
  • FIGURE 6-37. CONDENSER
  • FIGURE 6-38. A/C RECEIVER DRIER
  • FIGURE 6-39. HEATER ASSEMBLY
  • FIGURE 6-40. HEATER AND A/C ASSEMBLY
  • FIGURE 6-41. HVAC CAB ACTUATOR
  • FIGURE 6-42. HEATER
  • FIGURE 6-43. HEATER
  • FIGURE 6-44. HEATER AND A/C
  • FIGURE 6-45. ROOF WIPER INSTALLATION
  • FIGURE 6-46. HEADLINER INSTALLATION
FIGURE 6-47. HEADLINER/RADIO READY PACKAGE INSTALLATION
FIGURE 6-48. CAB TRIM INSTALLATION
FIGURE 6-49. DASH COVER ASSEMBLY
FIGURE 6-50. REAR PANEL COVER ASSEMBLY
FIGURE 6-51. ADJUSTABLE ARMREST INSTALLATION
FIGURE 6-52. ROOF CAP INSTALLATION (NO A/C)
FIGURE 6-53. ROOF CAP INSTALLATION (A/C)
FIGURE 6-54. RETRACTABLE SUNSCREEN INSTALLATION
FIGURE 6-55. FLOOR MAT INSTALLATION
FIGURE 6-56. SEAT BELT INSTALLATION (3IN)
FIGURE 6-57. SEAT BELT INSTALLATION (2IN)
FIGURE 6-58. ENCLOSED CAB FRONT COVER INSTALLATION
FIGURE 6-59. CAB GUARD INSTALLATION (TOP)
FIGURE 6-60. CAB GUARD INSTALLATION (FRONT)
FIGURE 6-61. CAB GUARD INSTALLATION (TOP AND FRONT)
FIGURE 6-62. EXTERNAL WINDOW RELEASE INSTALLATION (ANSI - ENGLISH)
FIGURE 6-63. EXTERNAL WINDOW RELEASE INSTALLATION (ANSI - ENGLISH/FRENCH)
SECTION 7 - CONTROLS
FIGURE 7-1. ACCELERATOR PEDAL INSTALLATION
FIGURE 7-2. ACCELERATOR PEDAL
FIGURE 7-3. BRAKE PEDAL INSTALLATION
FIGURE 7-4. BRAKE PEDAL ASSEMBLY
FIGURE 7-5. BRAKE SENSOR INSTALLATION
FIGURE 7-6. SWITCH PLATE ASSEMBLY
FIGURE 7-7. PARK BRAKE INSTALLATION
FIGURE 7-8. TILT STEERING COLUMN INSTALLATION
FIGURE 7-9. TILT STEERING COLUMN
FIGURE 7-10. COLUMN SHIFT INSTALLATION (2 SPEED)
FIGURE 7-11. COLUMN SHIFT INSTALLATION (0 SPEED)
FIGURE 7-12. STEERING WHEEL INSTALLATION
FIGURE 7-13. STEERING WHEEL
FIGURE 7-14. HORN BUTTON INSTALLATION
FIGURE 7-15. JOYSTICK INSTALLATION (2 SPEED)
FIGURE 7-16. JOYSTICK INSTALLATION (0 SPEED)
FIGURE 7-17. WIPER-TURN SWITCH
SECTION 8 - HYDRAULIC CIRCUITS
FIGURE 8-1. MAIN HYDRAULIC INSTALLATION
FIGURE 8-2. BOOM HYDRAULIC INSTALLATION
FIGURE 8-3. REMOTE GREASE INSTALLATION
FIGURE 8-4. FRAME LEVEL INSTALLATION
FIGURE 8-5. FRAME LEVEL CYLINDER INSTALLATION
FIGURE 8-6. FRAME LEVEL VALVE ASSEMBLY
FIGURE 8-7. BOOM RAISE HOSE INSTALLATION (NO RIDE CONTROL)
FIGURE 8-8. BOOM RAISE COUNTERBALANCE VALVE (NO RIDE CONTROL)
FIGURE 8-9. BOOM RAISE HOSE INSTALLATION (RIDE CONTROL)
FIGURE 8-10. RIDE AND FLOAT VALVE ASSEMBLY
FIGURE 8-11. BOOM AUX HYDRAULIC INSTALLATION (MANUAL - SINGLE)
FIGURE 8-12. BOOM AUX HYDRAULIC INSTALLATION (MANUAL - TWIN)
FIGURE 8-13. DIVERTER VALVE ASSEMBLY
FIGURE 8-14. BOOM AUX HYDRAULIC INSTALLATION (HYDRAULIC - SINGLE)
FIGURE 8-15. DIVERTER VALVE ASSEMBLY
FIGURE 8-16. BOOM AUX HYDRAULIC INSTALLATION (HYDRAULIC - TWIN)
FIGURE 8-17. DIVERTER VALVE ASSEMBLY
FIGURE 8-18. RALP HYDRAULIC LINES INSTALLATION
FIGURE 8-19. MAIN CONTROL VALVE INSTALLATION
FIGURE 8-20. MAIN CONTROL VALVE ASSEMBLY
FIGURE 8-21. STEERING SELECT VALVE INSTALLATION
FIGURE 8-22. STEERING SELECT VALVE ASSEMBLY
FIGURE 8-23. FRAME LEVEL VALVE INSTALLATION
FIGURE 8-24. FRAME LEVEL VALVE ASSEMBLY
FIGURE 8-25. CAB HYDRAULICS INSTALLATION
FIGURE 8-26. SOLENOID VALVE INSTALLATION
FIGURE 8-27. SOLENOID VALVE ASSEMBLY63 topics
  • FIGURE 8-28. CHECK VALVE INSTALLATION
  • FIGURE 8-29. CHECK VALVE ASSEMBLY
  • FIGURE 8-30. SPEED CONTROL VALVE INSTALLATION
  • FIGURE 8-31. SPEED CONTROL VALVE ASSEMBLY
  • FIGURE 8-32. ENGINE BAY HYDRAULIC INSTALLATION
  • FIGURE 8-33. INCHING VALVE INSTALLATION
  • FIGURE 8-34. INCHING VALVE ASSEMBLY
  • FIGURE 8-35. CHARGE FILTER LINES INSTALLATION
  • FIGURE 8-36. CHARGE FILTER INSTALLATION
  • FIGURE 8-37. IMPLEMENT PUMP FILTER ASSEMBLY
  • FIGURE 8-38. FRAME HYDRAULIC INSTALLATION
  • FIGURE 8-39. MANIFOLD INSTALLATION
  • FIGURE 8-40. MANIFOLD ASSEMBLY
  • FIGURE 8-41. BOOM HYDRAULIC LINES INSTALLATION
  • FIGURE 8-42. PRIORITY MANIFOLD INSTALLATION
  • FIGURE 8-43. PRIORITY VALVE ASSEMBLY
  • FIGURE 8-44. PRIORITY MANIFOLD INSTALLATION (PLATFORM READY)
  • SECTION 9 - HYDRAULIC COMPONENTS
  • FIGURE 9-1. CYLINDER GROUP INSTALLATION
  • FIGURE 9-2. LIFT CYLINDER INSTALLATION
  • FIGURE 9-3. LIFT CYLINDER
  • FIGURE 9-4. COMPENSATION CYLINDER INSTALLATION
  • FIGURE 9-5. COMPENSATION CYLINDER
  • FIGURE 9-6. COUPLER LOCKING CYLINDER
  • FIGURE 9-7. EXTEND/RETRACT CYLINDER INSTALLATION
  • FIGURE 9-8. TILT CYLINDER
  • FIGURE 9-9. FRAME LEVEL CYLINDER
  • FIGURE 9-10. RALP CYLINDER INSTALLATION
  • FIGURE 9-11. FORK POSITIONING CYLINDER ASSEMBLY
  • FIGURE 9-12. SIDE SHIFT CYLINDER ASSEMBLY
  • FIGURE 9-13. UPPER CYLINDER ASSEMBLY
  • FIGURE 9-14. LOWER CYLINDER ASSEMBLY
  • FIGURE 9-15. REAR AXLE LOCK VALVE INSTALLATION
  • FIGURE 9-16. LOG HANDLER CARRIAGE CYLINDER ASSEMBLY
  • FIGURE 9-17. HYDROSTATIC MOTOR
  • FIGURE 9-18. HYDROSTATIC PUMP
  • FIGURE 9-19. IMPLEMENT PUMP
  • FIGURE 9-20. MAIN CONTROL VALVE
  • FIGURE 9-21. STEERING SELECT VALVE
  • FIGURE 9-22. FRAME LEVEL VALVE
  • FIGURE 9-23. SOLENOID VALVE
  • FIGURE 9-24. INCHING VALVE
  • FIGURE 9-25. PRIORITY VALVE ASSEMBLY
  • FIGURE 9-26. BOOM RAISE VALVE (RIDE CONTROL)
  • FIGURE 9-27. DIVERTOR VALVE
  • FIGURE 9-28. DIVERTOR VALVE
  • FIGURE 9-29. STEER UNIT VALVE
  • FIGURE 9-30. COUNTERBALANCE VALVE INSTALLATION
  • FIGURE 9-31. COUNTERBALANCE VALVE
  • FIGURE 9-32. COUNTERBALANCE VALVE
  • FIGURE 9-33. COUNTERBALANCE VALVE
  • FIGURE 9-34. SPEED CONTROL VALVE
  • FIGURE 9-35. EXTEND/RETRACT CYLINDER
  • SECTION 10 - ELECTRICAL
  • FIGURE 10-1. MAIN ELECTRICAL INSTALLATION (ULS)
  • FIGURE 10-2. MAIN ELECTRICAL INSTALLATION, MINING (ULS)
  • FIGURE 10-3. FRAME ELECTRICAL INSTALLATION
  • FIGURE 10-4. ENGINE POD ELECTRICAL INSTALLATION (ULS)
  • FIGURE 10-5. ENGINE POD COMPONENT INSTALLATION (MINING) (ULS)
  • FIGURE 10-6. FRAME WIRING INSTALLATION
  • FIGURE 10-7. FRAME WIRING INSTALLATION, MINING
  • FIGURE 10-8. ENGINE BAY ELECTRICAL INSTALLATION (ULS)
  • FIGURE 10-9. POWER DISTRIBUTION ELECTRICAL BOX
FIGURE 10-10. REAR FRAME MODULE INSTALLATION
FIGURE 10-11. ENGINE WIRING INSTALLATION (ULS)
FIGURE 10-12. ENGINE WIRING INSTALLATION (MINING) (ULS)
FIGURE 10-13. ENGINE ECU INSTALLATION
FIGURE 10-14. BATTERY INSTALLATION
FIGURE 10-15. DUAL BATTERY INSTALLATION
FIGURE 10-16. ARTIC BATTERY PACKAGE INSTALLATION (115V)
FIGURE 10-17. ARCTIC BATTERIES INSTALLATION (115V)
FIGURE 10-18. HYDRAULIC TANK HEATER INSTALLATION (115V)
FIGURE 10-19. BACKUP ALARM INSTALLATION
FIGURE 10-20. BACKUP ALARM INSTALLATION (WHITE NOISE)
FIGURE 10-21. EMERGENCY STOP EXTERNAL INSTALLATION
FIGURE 10-22. CAB ELECTRICAL INSTALLATION
FIGURE 10-23. DASH ELECTRICAL INSTALLATION
FIGURE 10-24. LIGHT SWITCH INSTALLATION
FIGURE 10-25. BOOM HARNESS INSTALLATION
FIGURE 10-26. BOOM HARNESS INSTALLATION
FIGURE 10-27. BOOM AUX HARNESS INSTALLATION
FIGURE 10-28. DRIVING LIGHT INSTALLATION (RH DIP)
FIGURE 10-29. DRIVING LIGHT INSTALLATION (LED) (RH DIP)
FIGURE 10-30. CAB WORKLIGHTS INSTALLATION (NO A/C - LED)
FIGURE 10-31. CAB WORKLIGHTS INSTALLATION (A/C - LED)
FIGURE 10-32. BOOM WORK LIGHTS (LED)
FIGURE 10-33. BOOM WORK LIGHT INSTALLATION (LED)
FIGURE 10-34. BEACON INSTALLATION
FIGURE 10-35. BEACON INSTALLATION (LED)
FIGURE 10-36. BEACON (REMOTE BOOM CONTROL) INSTALLATION
FIGURE 10-37. BEACON (LED) (REMOTE BOOM CONTROL) INSTALLATION
FIGURE 10-38. REVERSE CAMERA INSTALLATION
FIGURE 10-39. REVERSE SENSOR INSTALLATION
FIGURE 10-40. TELEMATICS READY INSTALLATION
FIGURE 10-44. LSI INSTALLATION
FIGURE 10-45. LSI DISPLAY INSTALLATION
FIGURE 10-46. LSI SENSOR INSTALLATION
FIGURE 10-47. LMIS INSTALLATION (HIGH END DISPLAY)
FIGURE 10-48. LMIS BEACON LIGHT INSTALLATION
FIGURE 10-49. LMIS CONTROL PACKAGE INSTALLATION
FIGURE 10-50. LMIS WIRING INSTALLATION
FIGURE 10-51. RIDE CONTROL WIRING INSTALLATION
FIGURE 10-52. BOOM RIDE CONTROL HARNESS
FIGURE 10-53. TILT SENSOR INSTALLATION
FIGURE 10-54. LMIS CONTROLLER INSTALLATION
FIGURE 10-55. LMIS CABLE REEL INSTALLATION
FIGURE 10-56. BOOM ANGLE SENSOR INSTALLATION (LMIS)
FIGURE 10-57. BOOM ANGLE SENSOR INSTALLATION (NO LMIS)
FIGURE 10-58. BOOM RETRACT SENSOR INSTALLATION
FIGURE 10-59. ENGINE HARNESS (ULS)
FIGURE 10-60. ENGINE HARNESS (MINING) (ULS)
FIGURE 10-61. FUEL PUMP HARNESS
FIGURE 10-62. FUEL PUMP HARNESS (MINING) (ULS)
FIGURE 10-63. GLOW PLUG RELAY HARNESS
FIGURE 10-64. GLOW PLUG RELAY HARNESS (MINING) (ULS)
FIGURE 10-65. BOOM HARNESS
FIGURE 10-66. BOOM AUX HARNESS
FIGURE 10-67. CAB HARNESS
FIGURE 10-68. CAB HARNESS
FIGURE 10-69. STANDARD ELECTRICAL BOARD ASSEMBLY
FIGURE 10-70. OPTION 1 ELECTRICAL BOARD ASSEMBLY
FIGURE 10-71. OPTION 2 ELECTRICAL BOARD ASSEMBLY
FIGURE 10-72. CAB OPTION HARNESS
FIGURE 10-73. FRONT FRAME HARNESS
FIGURE 10-74. REAR FRAME HARNESS
FIGURE 10-75. SEAT ADAPTOR HARNESS32 topics
  • FIGURE 10-76. A/C OPTION HARNESS
  • FIGURE 10-77. IGNITION SWITCH HARNESS
  • FIGURE 10-78. REVERSE SENSOR HARNESS
  • FIGURE 10-79. TELEMATICS READY HARNESS
  • FIGURE 10-83. LMIS CHASSIS OPTION HARNESS
  • FIGURE 10-84. LMIS BOOM HARNESS
  • FIGURE 10-85. PLATFORM READY HARNESS
  • FIGURE 10-86. LMIS BEACON OPTION HARNESS
  • FIGURE 10-87. PROXIMITY SENSOR HARNESS
  • FIGURE 10-88. HEADLIGHT HARNESS
  • FIGURE 10-89. BOOM WORKLIGHTS HARNESS
  • FIGURE 10-90. LICENSE LIGHT HARNESS
  • FIGURE 10-91. AIR SHUTOFF VALVE HARNESS
  • FIGURE 10-92. AIR SHUT OFF VALVE HARNESS (ENGINE)
  • FIGURE 10-94. CLEARSKY INSTALLATION 3-WIRE (ANSI)
  • FIGURE 10-95. TELEMATICS HARNESS
  • FIGURE 10-96. TELEMATICS INSTALLATION, UNITED RENTALS
  • FIGURE 10-97. FRONT FRAME HARNESS
  • FIGURE 10-98. REAR FRAME HARNESS
  • FIGURE 10-99. BOOM HARNESS
  • SECTION 11 - DECALS
  • FIGURE 11-1. CAPACITY CHART HOLDER INSTALLATION
  • FIGURE 11-2. REVERSE SENSOR SYSTEM DECAL (ENGLISH)
  • FIGURE 11-3. REVERSE SENSING SYSTEM DECAL, (ENGLISH/FRENCH)
  • FIGURE 11-4. CAPACITY CHART
  • FIGURE 11-5. 1644 DECAL INSTALLATION
  • FIGURE 11-6. DECAL INSTALLATION (ENGLISH)
  • FIGURE 11-7. DECAL INSTALLATION (ENGLISH/FRENCH)
  • FIGURE 11-8. CLEARSKY DECAL INSTALLATION
  • SECTION 12 - RECOMMENDED SPARE PARTS
  • FIGURE 12-1. RECOMMENDED SPARE PARTS
  • PART NUMBER INDEX

Inside this manual

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Sample pages from the JLG 1644 Telehandler Parts Manual: Parts illustration, Parts illustration, Parts illustration
  • Parts illustration, page 319: SECTION 6 - CAB
  • Parts illustration, page 529: SECTION 8 - HYDRAULIC CIRCUITS
  • Parts illustration, page 851: FIGURE 10-92. AIR SHUT OFF VALVE HARNESS (ENGINE)

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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

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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, 910 pages

Quantity one is the manual described above.

Fast free USA shipping

Ships in 1 business day.

60-day returns

Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy

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

JLG 1644Parts Manual · 31211379 · $99.97

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).