JLG 340AJ Operation And Safety Manual
  1. Manuals
  2. Brands
  3. JLG Manuals
  4. Lifting Systems
  5. 340AJ
  6. Operation and safety manual

JLG 340AJ Operation And Safety Manual

Boom lift
Hide thumbs Also See for 340AJ:
Table of Contents

Advertisement

Quick Links

See also: Service Maintenance Manual
Operation and Safety Manual
Original Instructions - Keep this manual with the machine at all times.
Boom Lift Models
340AJ
ANSI
3121258
®
September 25, 2017

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 340AJ and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for JLG 340AJ

Summary of Contents for JLG 340AJ

  • Page 1 Operation and Safety Manual Original Instructions - Keep this manual with the machine at all times. Boom Lift Models 340AJ ANSI 3121258 ® September 25, 2017...
  • Page 3 The purpose of this manual is to provide owners, users, operators, lessors, and lessees with the precautions and operating procedures essential for the safe and proper machine operation for its intended purpose. Due to continuous product improvements, JLG Industries, Inc. reserves the right to make specification changes without prior notification. Contact JLG Industries, Inc. for updated information.
  • Page 4 INDICATES INFORMATION OR A COMPANY POLICY THAT RELATES DIRECTLY OR INDI- INDICATES A POTENTIALLY HAZARDOUS SITUATION. IF NOT AVOIDED, COULD RECTLY TO THE SAFETY OF PERSONNEL OR PROTECTION OF PROPERTY. RESULT IN SERIOUS INJURY OR DEATH. THIS DECAL WILL HAVE AN ORANGE BACK- GROUND. – JLG Lift – 3121258...
  • Page 5 Modifications Product Safety JLG INDUSTRIES, INC. SENDS SAFETY RELATED BULLETINS TO THE OWNER OF RECORD OF THIS MACHINE. CONTACT JLG INDUSTRIES, INC. TO ENSURE THAT THE Contact: CURRENT OWNER RECORDS ARE UPDATED AND ACCURATE. Product Safety and Reliability Department JLG Industries, Inc.
  • Page 6 Original Issue - June 17, 2010 Revised - December 20, 2010 Revised - March 17, 2011 Revised - May 16, 2012 Revised - January 2, 2013 Revised - January 5, 2015 Revised - September 25, 2017 – JLG Lift – 3121258...

  • Page 7: Table Of Contents

    Function Check........2-5 3121258 – JLG Lift –...
  • Page 8 Hydraulic Oil ........6-4 Major Component Weights ......6-9 – JLG Lift – 3121258...
  • Page 9 Wheel Installation ....... 6-19 SUPPLEMENTAL INFORMATION ..... 6-20 SECTION - 7 - INSPECTION AND REPAIR LOG 3121258 – JLG Lift –...
  • Page 10 TABLE OF CONTENTS SECTION - PARAGRAPH, SUBJECT PAGE SECTION - PARAGRAPH, SUBJECT PAGE This Page Left Blank Intentionally. – JLG Lift – 3121258...
  • Page 11 4-15. Decal Location Sheet 9 of 10 ......4-25 4-16. Decal Location Sheet 10 of 10 ..... . . 4-26 3121258 – JLG Lift –...
  • Page 12 LIST OF FIGURES FIGURE NUMBER - TITLE PAGE FIGURE NUMBER - TITLE PAGE This Page Left Blank Intentionally. – JLG Lift – 3121258...
  • Page 13 Wheel Torque Chart....... . .6-19 Inspection and Repair Log......7-1 3121258 – JLG Lift –...
  • Page 14 LIST OF TABLES TABLE NUMBER - TITLE PAGE TABLE NUMBER - TITLE PAGE This Page Left Blank Intentionally. viii – JLG Lift – 3121258...

  • Page 15: Section 1 - Safety Precautions

    JLG Industries, Inc. completed under the supervision of an experienced and quali- fied operator.

  • Page 16: Workplace Inspection

    JLG. unit. • Before operation, check work area for overhead hazards such •...

  • Page 17: Machine Inspection

    • Check the machine for modifications to original components. opposite direction. Always return switch to neutral and stop Ensure that any modifications have been approved by JLG. before moving the switch to the next function. Operate con- trols with slow and even pressure.

  • Page 18: Trip And Fall Hazards

    Face the machine when entering or not operate this machine. leaving the platform. Always maintain “three point contact” with the machine, using two hands and one foot or two feet and one hand at all times during entry and exit. – JLG Lift – 3121258...

  • Page 19: Electrocution Hazards

    • Keep both feet firmly positioned on the platform floor at all times. Never position ladders, boxes, steps, planks, or similar items on unit to provide additional reach for any purpose. • Keep oil, mud, and slippery substances cleaned from footwear and the platform floor. 3121258 – JLG Lift –...
  • Page 20 • Allow for machine movement and electrical line swaying. 50,000 volts. One foot additional clearance is required for every additional 30,000 volts or less. – JLG Lift – 3121258...

  • Page 21: Tipping Hazards

    • Before driving on floors, bridges, trucks, and other surfaces, check allowable capacity of the surfaces. 3121258 – JLG Lift –...
  • Page 22 Keep all loads within the confines of the platform, mph (12.5 m/s). Refer to Table 1-2, Beaufort Scale (For Refer- unless authorized by JLG. ence Only). • Keep the chassis of the machine a minimum of 2 ft. (0.6m) •...
  • Page 23 32-38 13.9-17.1 Near Gale/Moderate Gale Whole trees in motion. Effort needed to walk against the wind. 39-46 17.2-20.7 Fresh Gale Twigs broken from trees. Cars veer on road. 47-54 20.8-24.4 Strong Gale Light structure damage. 3121258 – JLG Lift –...

  • Page 24: Crushing And Collision Hazards

    • Use the boom functions, not the drive function, to position the boom or platform. Position barricades on floor if necessary. platform close to obstacles. • Always post a lookout when driving in areas where vision is obstructed. 1-10 – JLG Lift – 3121258...

  • Page 25: Towing, Lifting, And Hauling

    • DO NOT attempt to repair or tighten any hydraulic hoses or fit- tings while the machine is powered on or when the hydraulic system is under pressure. • Always relieve hydraulic pressure from all hydraulic circuits before loosening or removing hydraulic components. 3121258 – JLG Lift – 1-11...
  • Page 26 • Never attempt to move heavy parts without the aid of a mechanical device. Do not allow heavy objects to rest in an unstable position. Ensure adequate support is provided when raising components of the machine. 1-12 – JLG Lift – 3121258...

  • Page 27: Battery Hazards

    • Avoid overfilling the battery fluid level. Add distilled water to terminals. batteries only after the batteries are fully charged. • Always wear hand, eye, and face protection when servicing batteries. Ensure that battery acid does not come in contact with skin or clothing. 3121258 – JLG Lift – 1-13...
  • Page 28 SECTION 1 - SAFETY PRECAUTIONS NOTES: 1-14 – JLG Lift – 3121258...

  • Page 29: Section 2. User Responsibilities, Machine Preparation, And Inspection

    4. Use of approved fall protection device. site. 5. Enough knowledge of the mechanical operation of the machine to recognize a malfunction or potential malfunc- tion. 3121258 – JLG Lift –...

  • Page 30: 2.2 Preparation, Inspection, And Maintenance

    SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION 2.2 PREPARATION, INSPECTION, AND MAINTENANCE JLG INDUSTRIES, INC. RECOGNIZES A FACTORY TRAINED SERVICE TECHNICIAN AS A The following table covers the periodic machine inspections and PERSON WHO HAS SUCCESSFULLY COMPLETED THE JLG SERVICE TRAINING SCHOOL maintenance required by JLG Industries, Inc.
  • Page 31 At intervals as specified in the Service and Maintenance Owner, Dealer, or User Qualified JLG Mechanic Service and Maintenance Manual Manual. NOTE: Inspection forms are available from JLG. Use the Service and Maintenance Manual to perform inspections. 3121258 – JLG Lift –...

  • Page 32: Pre-Start Inspection

    3. Decals and Placards – Check all for cleanliness and legibil- upon the machine for specific inspection, operation, and ity. Make sure none of the decals and placards are missing. maintenance instructions. Make sure all illegible decals and placards are cleaned or replaced. – JLG Lift – 3121258...

  • Page 33: Function Check

    Ensure that all machine functions are disabled when the Emergency Stop Button is pushed in. e. Ensure all boom functions stop when the function enable switch is released. 2. From the platform control console: 3121258 – JLG Lift –...

  • Page 34: Skyguard Function Test

    If SkyGuard remains activated after function reversal or cutout, depress and hold the SkyGuard Override Switch to allow normal use of machine functions until the SkyGuard sensor is disen- gaged. – JLG Lift – 3121258...
  • Page 35 7. Master Cylinder 8. Upper Upright 9. Lower Upright 10. Tower Lift Cylinder 11. Tower Boom 12. Front Drive/Steer Wheels 13. Rear Drive Wheels 14. Frame 15. Turntable 16. SkyGuard (If Equipped) Figure 2-1. Basic Nomenclature 3121258 – JLG Lift –...
  • Page 36 SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION Figure 2-2. Daily Walk-Around Inspection - Sheet 1 of 3 – JLG Lift – 3121258...

  • Page 37: General

    10. Tie Rod Ends and Steering Spindles - See Inspection in working condition. Note. 2. Platform & Ground Control Consoles - Switches and levers return to neutral, decals/placards secure and legible, control markings legible. Figure 2-3. Daily Walk-Around Inspection - Sheet 2 of 3 3121258 – JLG Lift –...
  • Page 38 12. Fuel Tank - See Inspection Note. 15. Platform Rotator - See Inspection Note. 13. Hydraulic Reservoir - See Inspection Note. 16. SkyGuard - See Inspection Note. Figure 2-4. Daily Walk-Around Inspection - Sheet 3 of 3 2-10 – JLG Lift – 3121258...

  • Page 39: Oscillating Axle Lockout Test (If Equipped)

    10. With boom over left side of machine, place Drive control wheel is on top of block. lever to Reverse and drive machine off of block and ramp. 4. Carefully activate Swing control lever and position boom over right side of machine. 3121258 – JLG Lift – 2-11...
  • Page 40 12. Carefully activate Swing control lever and return boom to stowed position (centered between rear wheels). When boom reaches center, stowed position, lockout cylinders should release and allow wheel to rest on ground, it may be necessary activate Drive to release cylinders. 2-12 – JLG Lift – 3121258...

  • Page 41: Section 3 - Machine Controls And Indicators

    3121258 – JLG Lift –...

  • Page 42: Ground Control Station

    (on). When pushed in (off ), power is shut off to the PLAT- operation. FORM/GROUND SELECT switch. NOTE: The Function Enable switch must be held down in order to operate Main Boom Telescope, Tower Lift, Swing, Main Lift, Jib Lift, Platform Level Override, and Platform Rotate functions. – JLG Lift – 3121258...
  • Page 43 5. Telescope 6. Main Boom Lift 7. Tower Boom Lift 8. Swing 9. Engine Start/Auxiliary Descent Enable/ Function Enable 10. Platform Rotate 11. Platform Level 12. Jib Lift 1001119230 A Figure 3-1. Ground Control Station 3121258 – JLG Lift –...
  • Page 44 9. Engine Start/Auxiliary Descent Enable/ Function Enable 10. Platform Rotate 11. Platform Level 12. Jib Lift 13. Machine Safety System Override (MSSO) Figure 3-2. Ground Control Station with Machine Safety System Override (MSSO) (CE Only) – JLG Lift – 3121258...
  • Page 45 PLATFORM. With the switch key turned to the GROUND position only 8. Swing ground controls are operable. Provides 355 degrees non-continuous turntable rotation. 5. Telescope Control Provides extension and retraction of the boom. 3121258 – JLG Lift –...
  • Page 46 12. Jib Lift Provides raising and lowering of the jib. 13. Machine Safety System Override (MSSO) (CE Only) Provides emergency override of function controls that are locked out in the event of Load Sense System activation. – JLG Lift – 3121258...

  • Page 47: Ground Control Indicator Panel

    Indicates that engine coolant temperature is abnormally 7. System Distress Indicator high and service is required. The light indicates that the JLG Control System has detected 3. Low Engine Oil Pressure Indicator an abnormal condition and a Diagnostic Trouble Code has been set in the system memory.
  • Page 48 1. Drive and Steer Disable 2. High Engine Coolant Temperature 3. Low Engine Oil Pressure 4. Battery Malfunction 5. Low Fuel 6. Glow Plug 7. System Distress 8. Platform Overload Figure 3-3. Ground Control Indicator Panel – JLG Lift – 3121258...

  • Page 49: Platform Station

    ONLY USE THE PLATFORM LEVELING OVERRIDE FUNCTION FOR SLIGHT LEVELING OF THE PLATFORM. INCORRECT USE COULD CAUSE THE LOAD/OCCUPANTS TO SHIFT OR FALL. FAILURE TO DO SO COULD RESULT IN DEATH OR SERIOUS INJURY. 3121258 – JLG Lift –...
  • Page 50 15. Platform Rotate 3. Horn 8. Drive/Steer 12. SkyGuard Override 16. Function Speed Control 4. Power/Emergency Stop 9. Telescope 13. Tower Boom Lift 17. Main Lift/Swing Controller 5. Start/Auxiliary Descent Enable Figure 3-4. Platform Control Console 3-10 – JLG Lift – 3121258...
  • Page 51 Push forward to drive forward, pull back to drive in reverse. Steering is accomplished via a thumb-activated rocker switch on the end of the steer handle. 9. Telescope Provides extension and retraction of the main boom. 3121258 – JLG Lift – 3-11...
  • Page 52 Moving the joystick activates switches to Indicates the SkyGuard sensor has been activated. All con- provide the functions selected. trols are cut out until the override button is pushed. Controls will then work normally. 3-12 – JLG Lift – 3121258...

  • Page 53: Platform Control Indicator Panel

    IF TILT WARNING LIGHT IS ILLUMINATED WHEN BOOM IS RAISED OR EXTENDED, RETRACT AND LOWER TO BELOW HORIZONTAL THEN REPOSITION MACHINE SO THAT IT IS LEVEL BEFORE EXTENDING BOOM OR RAISING BOOM ABOVE HORIZONTAL. 3121258 – JLG Lift – 3-13...
  • Page 54 1001107853 C 1. AC Generator 4. Glow Plug/Wait to Start 7. Creep 2. Platform Overload 5. Enable/Footswitch 8. System Distress 3. Tilt 6. Fuel Level 9. Drive Orientation Figure 3-5. Platform Control Indicator Panel 3-14 – JLG Lift – 3121258...
  • Page 55 TO AVOID SERIOUS INJURY, DO NOT REMOVE, MODIFY OR DISABLE THE FOOTSWITCH BY BLOCKING OR ANY OTHER MEANS. FOOTSWITCH MUST BE ADJUSTED IF FUNCTIONS ACTIVATE WHEN SWITCH ONLY OPERATES WITHIN LAST 1/4" OF TRAVEL, TOP OR BOTTOM. 3121258 – JLG Lift – 3-15...
  • Page 56 SECTION 3 - MACHINE CONTROLS AND INDICATORS 8. System Distress Indicator 9. Drive Orientation Indicator The light indicates that the JLG Control System has detected When the boom is swung beyond the rear drive tires or fur- an abnormal condition and a Diagnostic Trouble Code has ther in either direction, the Drive Orientation indicator will been set in the system memory.

  • Page 57: Section 4 - Machine Operation

    Ground Control Station which will override the Platform Control Station. Ground Controls operate Boom Lift and Swing, and are to be used in an emergency to lower the platform to the ground should the operator in the platform be unable to do so. 3121258 – JLG Lift –...

  • Page 58: Boom Operating Characteristics And Limitations

    SHOULD ENGINE FAIL TO START AGAIN, ALLOW STARTER TO “COOL OFF” FOR 2-3 MIN- UTES. IF ENGINE FAILS AFTER SEVERAL ATTEMPTS, REFER TO ENGINE MAINTENANCE 3. All machine systems are functioning properly. MANUAL. 4. Machine is as originally equipped from JLG. NOTE: Diesel engines only: After turning on ignition, operator must Stability wait until glow plug indicator light goes out before cranking engine.

  • Page 59: Shutdown Procedure

    1. Remove all load and allow engine to operate at low speed for 3-5 minutes; this allows further reduction of internal engine temperature. 2. Push POWER/EMERGENCY STOP switch in. 3. Turn Platform/Ground Select switch to Off. Refer to Engine Manufacturer’s manual for detailed information. 3121258 – JLG Lift –...
  • Page 60 SECTION 4 - MACHINE OPERATION MAIN BOOM MAIN BOOM FULLY EXTENDED HORIZONTAL MACHINE WILL "TIP OVER" IN THIS DIRECTION IF OVERLOADED OR OPERATED ON AN LOWER BOOM FULLY ELEVATED OUT-OF-LEVEL SURFACE Figure 4-1. Position of Least Forward Stability – JLG Lift – 3121258...
  • Page 61 90 DEGREES MACHINE WILL "TIP OVER" IN THIS DIRECTION IF OVERLOADED OR OPERATED ON AN OUT-OF-LEVEL SURFACE MAIN BOOM FULLY ELEVATED AND FULLY RETRACTED LOWER BOOM FULLY ELEVATED Figure 4-2. Position of Least Backward Stability 3121258 – JLG Lift –...

  • Page 62: Traveling (Driving)

    Traveling is limited by two factors: 1. Gradeability, which is the percent of grade of the incline the machine can climb. 2. Sideslope, which is the angle of the slope the machine can be driven across. – JLG Lift – 3121258...
  • Page 63 SECTION 4 - MACHINE OPERATION GRADE SIDE SLOPE LEVEL Figure 4-3. Grade and Side Slopes 3121258 – JLG Lift –...

  • Page 64: Traveling Forward And Reverse

    The indicator light will flash during the 3 second interval until the drive function is selected. STEERING Position thumb switch on Drive/Steer controller to RIGHT for steering right, or to LEFT for steering left. – JLG Lift – 3121258...

  • Page 65: Boom

    ABOVE HORIZONTAL, LOWER PLATFORM TO GROUND LEVEL. THEN REPOSITION tion. MACHINE SO THAT CHASSIS IS LEVEL BEFORE RAISING BOOM. TRAVELING WITH BOOM BELOW HORIZONTAL IS PERMITTED ON GRADES AND SIDE SLOPES SPECIFIED IN THE OPERATING SPECIFICATIONS SECTION OF THIS MANUAL. 3121258 – JLG Lift –...

  • Page 66: Raising And Lowering The Tower Boom

    This control affects the speed of telescope, tower boom lift and jib lift. Turning the knob all the way counterclockwise until it clicks puts drive, main lift, platform rotate, and swing into creep mode. 4-10 – JLG Lift – 3121258...

  • Page 67: 4.10 Skyguard Operation

    1. With engine operating on LP under a no-load condition, position FUEL SELECT switch at Platform Control Station to GASOLINE position. 2. Close hand valve on LP gas supply tank by turning clock- wise. 3121258 – JLG Lift – 4-11...

  • Page 68: Shut Down And Park

    OR ANY TIE DOWN EQUIPMENT. tile environment. 3. Place blocking under the platform support, lower the plat- form support down onto the blocking by using Main Boom Lift Down, and tie it down as shown in Figure 4-5. 4-12 – JLG Lift – 3121258...
  • Page 69 SECTION 4 - MACHINE OPERATION Figure 4-4. Stowed Position 3121258 – JLG Lift – 4-13...
  • Page 70 SECTION 4 - MACHINE OPERATION 7.09 ft. TIE DOWN STRAP 2.15 m BLOCKING/SUPPORT Figure 4-5. Storage Position 4-14 – JLG Lift – 3121258...

  • Page 71: 4.13 Lifting And Tie Down

    3. Secure the chassis and the platform using straps or chains of 3. Remove all loose items from the machine. adequate strength. 4. Properly adjust the rigging to prevent damage to the machine and so the machine remains level. 3121258 – JLG Lift – 4-15...
  • Page 72 SECTION 4 - MACHINE OPERATION 340AJ 43.4”/1.10m 41.4”/1.05m 1001119576 B Figure 4-6. Lifting and Tie Down Chart 4-16 – JLG Lift – 3121258...
  • Page 73 SECTION 4 - MACHINE OPERATION Figure 4-7. Decal Location Sheet 1 of 10 3121258 – JLG Lift – 4-17...
  • Page 74 SECTION 4 - MACHINE OPERATION Figure 4-8. Decal Location Sheet 2 of 10 4-18 – JLG Lift – 3121258...
  • Page 75 SECTION 4 - MACHINE OPERATION ANSI Figure 4-9. Decal Location Sheet 3 of 10 3121258 – JLG Lift – 4-19...
  • Page 76 SECTION 4 - MACHINE OPERATION 14 14 JAPAN-KOREA-CHINESE-PORTUGUESE-SPANISH Figure 4-10. Decal Location Sheet 4 of 10 4-20 – JLG Lift – 3121258...
  • Page 77 SECTION 4 - MACHINE OPERATION 14 14 14 14 AUSTRALIA Figure 4-11. Decal Location Sheet 5 of 10 3121258 – JLG Lift – 4-21...
  • Page 78 SECTION 4 - MACHINE OPERATION 14 14 28 36 14 14 ANSI FRENCH Figure 4-12. Decal Location Sheet 6 of 10 4-22 – JLG Lift – 3121258...
  • Page 79 SECTION 4 - MACHINE OPERATION Figure 4-13. Decal Location Sheet 7 of 10 3121258 – JLG Lift – 4-23...
  • Page 80 SECTION 4 - MACHINE OPERATION Figure 4-14. Decal Location Sheet 8 of 10 4-24 – JLG Lift – 3121258...
  • Page 81 SECTION 4 - MACHINE OPERATION ANSI-SPANISH-FRENCH-KOREAN-CHINESE-PORTUGUESE-JAPANESE Figure 4-15. Decal Location Sheet 9 of 10 3121258 – JLG Lift – 4-25...
  • Page 82 SECTION 4 - MACHINE OPERATION CE-AUSTRALIA Figure 4-16. Decal Location Sheet 10 of 10 4-26 – JLG Lift – 3121258...
  • Page 83 1703953 1703944 1703945 1703942 1703943 1705903 1703941 1701642 1701642 1701642 1701642 1701642 1701642 1701642 1701642 1701642 1702300 1702300 1702300 1702300 1702300 1702300 1702300 1702300 1702300 1702631 1702631 1702631 1702631 1702631 1702631 1702631 1702631 1702631 3121258 – JLG Lift – 4-27...
  • Page 84 1001119576 1001119576 1001119576 1001119578 1001119578 1001119578 1001119578 1001119578 1001119578 1001119578 1001119578 1001119578 1001119580 1001119580 1001119580 1001119580 1001119580 1001119580 1001119580 1001119580 1001119580 1702868 1705969 1704000 1705968 1704002 1704001 1705351 1705426 1705427 1705429 1705430 1001113680 1705910 4-28 – JLG Lift – 3121258...
  • Page 85 1001120009 1001120010 1001120010 1001120010 1001120010 1001120010 1001120010 1001120010 1001120002 1001120003 1001120279 1001120280 1001120004 1001120281 1001120282 1001120283 1001119981 1001119981 1001119981 1001119981 1001119981 1001119981 1001119981 1001119981 1001119981 1701529 1701529 1701529 1701529 1701529 1701529 1701529 1701529 1701529 3121258 – JLG Lift – 4-29...
  • Page 86 SECTION 4 - MACHINE OPERATION NOTES: 4-30 – JLG Lift – 3121258...

  • Page 87: Section 5 - Emergency Procedures

    BEEN REPAIRED, IF REQUIRED, AND THAT ALL CONTROLS ARE OPERATING COR- RECTLY. JLG Industries, Inc. must be notified immediately of any incident involving a JLG product. Even if no injury or property damage is EMERGENCY OPERATION evident, the factory should be contacted by telephone and pro- vided with all necessary details.

  • Page 88: Platform Or Boom Caught Overhead

    1. From the ground control console, place the Platform/ Ground Select switch in the Ground position. 2. Pull out the Power/Emergency Stop control. 3. Hold down the Auxiliary Descent Enable Switch and the con- trol switch for the desired function. – JLG Lift – 3121258...
  • Page 89 SECTION 5 - EMERGENCY PROCEDURES PUMP HANDLE HAND PUMP 1001127549 A Figure 5-1. Auxiliary Descent Decal and Hand Pump 3121258 – JLG Lift –...

  • Page 90: Emergency Towing Procedures

    1. Chock wheels securely. 2. Engage the mechanical release on both drive hubs by loos- ening, completely reversing, and tightening the two bolts on each hub. 3. Connect suitable equipment, remove chocks, and move machine. – JLG Lift – 3121258...

  • Page 91: Machine Safety System Override (Msso)

    NOTE: If the MSSO functionality is used, the fault indicator will flash and a fault code is set in the JLG Control System which must be reset by a qualified JLG Service Technician. NOTE: No functional checks of the MSSO system are necessary. The JLG Control system will set a Diagnostic Trouble Code if the control switch is faulty.
  • Page 92 SECTION 5 - EMERGENCY PROCEDURES NOTES: – JLG Lift – 3121258...

  • Page 93: Section 6 - General Specifications & Operator Maintenance

    Illustrated Parts Manual ..............3121260 Drive Speed - Stowed 3.1 mph (5.0 kph) Elevated Drive Speed 0.6 mph (1.0 kph) Gross Machine Weight - Approximate ANSI 9400 lbs. (4263 kg) CE & Australia 9800 lbs. (4445 3121258 – JLG Lift –...

  • Page 94: Dimensional Data

    Machine Height (storage) 7’ 1" (2.17 m) Engine Coolant 1.55 gal. (5.9L) Machine Length (stowed) 18’ 2" (5.52 m) Drive hubs should be one half full of lubricant. Machine Length (storage) 13’ 1" (3.98 m) – JLG Lift – 3121258...

  • Page 95: Tires

    68.5 cu. in. (1123 cm3) Compression Ratio 24:1 Maximum Tire Load 4800 lbs. (2177 kg) Firing Order 1-2-3 Type Solid Output 24.8 hp (18.5 kW) Low Idle RPM 1200 ± 50 High Idle RPM 3000± 50 3121258 – JLG Lift –...

  • Page 96: Hydraulic Oil

    This is a fully synthetic hydraulic oil that possesses the same anti-wear and rust protection characteristics as mineral oils, but will not adversely affect the ground water or the environment when spilled or leaked in small amounts. – JLG Lift – 3121258...
  • Page 97 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE NOTE: Aside from JLG recommendations, it is not advisable to mix oils OIL SAMPLING of different brands or types, as they may not contain the same See Figure 6-1., Oil Sampling Port.
  • Page 98 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE Figure 6-1. Oil Sampling Port – JLG Lift – 3121258...
  • Page 99 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE HYDRAULIC FLUID OPERATION CHART NOTICE: MACHINE OPERATION USING NON-JLG APPROVED HYDRAULIC FLUIDS OR OPERATION OUTSIDE OF THE TEMPERATURE BOUNDARIES OUTLINED IN THE "HYDRAULIC FLUID OPERATION CHART" MAY RESULT IN PREMATURE WEAR OR DAMAGE TO COMPONENTS OF THE HYDRAULIC SYSTEM.
  • Page 100 ** Virtually Non-toxic classification indicates an LC50 > 5000 ppm per OECD 203 *** Fire Resistant classification indicates Factory Mutual Research Corp. (FMRC) Approval 4150740 B Figure 6-3. Hydraulic Oil Operation Chart - Sheet 2 of 2 – JLG Lift – 3121258...

  • Page 101: Major Component Weights

    1875 ± 75 850.5 ± 34 Tire and Wheel - 20x9 Pneumatic Tire and Wheel - 20x9 Foam-Filled 99.8 Tire and Wheel - 18x7 104.3 Platform & Console - 30x60 242.5 Platform & Console - 30x48 Battery 3121258 – JLG Lift –...
  • Page 102 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE NOTICE: MACHINE OPERATION USING NON-JLG APPROVED ENGINE OIL OR OPERATION OUTSIDE OF THE TEMPERATURE BOUNDARIES OUTLINED IN THE "ENGINE OIL OPERATION CHART" MAY RESULT IN PREMATURE WEAR OR DAMAGE TO COMPONENTS OF THE ENGINE.
  • Page 103 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE NOTICE: MACHINE OPERATION USING NON-JLG APPROVED ENGINE OIL OR OPERATION OUTSIDE OF THE TEMPERATURE BOUNDARIES OUTLINED IN THE "ENGINE OIL OPERATION CHART" MAY RESULT IN PREMATURE WEAR OR DAMAGE TO COMPONENTS OF THE ENGINE.
  • Page 104 SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE Figure 6-6. Operator Maintenance and Lubrication Diagram 6-12 – JLG Lift – 3121258...

  • Page 105: Operator Maintenance

    INCREASED ACCORDINGLY. Table 6-9. Lubrication Specifications. 1. Swing Bearing SPECIFICATIONS Bearing Grease (JLG Part No. 3020029) Mobilith SHC 460. Hydraulic Oil. API service classification GL-4, e.g. Mobilfluid 424. EPGL Extreme Pressure Gear Lube (oil) meeting API Service Classification GL-5 or Mil-Spec Mil-L-2105.
  • Page 106 Capacity - A/R Lube - Mobil SHC 460 Lube - Lubriplate 930-AAA Interval - A/R Interval - A/R DO NOT OVERGREASE BEARINGS. OVERGREASING BEARINGS WILL RESULT IN DAM- AGE TO OUTER SEAL IN HOUSING. 6-14 – JLG Lift – 3121258...
  • Page 107 Interval - Check Level daily; Change every 2 years or 1200 hours of operation. Comments - On new machines, those recently overhauled, or after changing hydraulic oil, operate all systems a minimum of two complete cycles and recheck oil level in reservoir. 3121258 – JLG Lift – 6-15...
  • Page 108 Lube Point(s) - Fill Cap/Spin-on Element Capacity - 5.4 Quarts (5.1 L) w/Filter Lube - EO Interval - Check level daily; change every 500 hours or six months, whichever comes first. Adjust final oil level by mark on dipstick. 6-16 – JLG Lift – 3121258...
  • Page 109 Lube - EO Interval - Every year or 600 hours of operation Interval - Check level daily; change every 500 hours or six months, whichever comes first. Adjust final oil level by mark on dipstick. 3121258 – JLG Lift – 6-17...

  • Page 110: Tires & Wheels

    TIRES & WHEELS Tire Replacement JLG recommends a replacement tire be the same size, ply and brand as originally installed on the machine. Please refer to the JLG Parts Manual for the part number of the approved tires for a particular machine model.

  • Page 111: Wheel And Tire Replacement

    1st Stage 2nd Stage 3rd Stage wheels. The proper procedure for attaching wheels is as follows: 40 ft lbs (55 Nm) 95 ft lbs (130 Nm) 170 ft lbs (230 Nm) 3121258 – JLG Lift – 6-19...

  • Page 112: Supplemental Information

    The vibration total value to which the hand-arm system is sub- jected does not exceed 2,5 m/s . The highest root mean square value of weighted acceleration to which the whole body is sub- jected does not exceed 0,5 m/s 6-20 – JLG Lift – 3121258...

  • Page 113: Section 7 - Inspection And Repair Log

    SECTION 7 - INSPECTION AND REPAIR LOG SECTION 7. INSPECTION AND REPAIR LOG Machine Serial Number _______________________________________ Table 7-1. Inspection and Repair Log Date Comments 3121258 – JLG Lift –...
  • Page 114 SECTION 7 - INSPECTION AND REPAIR LOG Table 7-1. Inspection and Repair Log Date Comments – JLG Lift – 3121258...
  • Page 118 +33 (0) 553 84 85 74 +(852) 2639 5797 Email:german-parts@jlg.com Email: pieces@jlg.com Email: emeaservice@jlg.com JLG Industries (Italia) S.R.L. JLG EMEA B.V. JLG NZ Access Equipment & Services JLG Industries Via Po. 22 Polaris Avenue 63 2B Fisher Cresent Vahutinskoe shosse 24b. 20010 Pregnana Milanese (MI)

Table of Contents

Save PDF