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WARNING Operating, servicing and maintaining this vehicle or equipment can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other re- productive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or equipment in a well-ventilated area and wear gloves or wash your hands frequently when servicing.
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.
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It may also alert against unsafe practices. This decal will have a yellow background. NOTICE Indicates information or a company policy that relates directly or indirectly to the safety of personnel or protection of property. 31221544 RT3394, RT4394...
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NOTICE JLG Industries, Inc. sends safety related bulletins to the owner of record of this machine. Contact JLG Industries, Inc. to ensure that the current owner records are updated and accurate.
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Questions Regarding Product Modifications Contact: Product Safety and Reliability Department JLG Industries, Inc. 13224 Fountainhead Plaza Hagerstown, MD 21742 or Visit www.jlg.com to find your local JLG office. In USA: Toll Free: 877-JLG-SAFE (877-554-7233) Outside USA: Phone: 240-420-2661 Fax: 301-745-3713 E-mail: ProductSafety@JLG.com...
REVISION LOG Description Date Revision April 10, 2023 Original Issue July 19, 2023 Revision Other Publications Available Publication Publication Number 31221545 Service & Maintenance Manual 31221546 Illustrated Parts Manual RT3394, RT4394 31221544...
SECTION 3 MACHINE CONTROLS, INDICATORS, AND OPERATION ... 37 General................37 Description ............... 37 Operating Characteristics and Limitations......38 Platform Loading ............... 38 Machine Controls Location ..........39 Ground Control Station............40 Platform Control Station ............. 42 RT3394, RT4394 31221544...
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Available Accessories............73 Footswitch ................ 73 Large Material Racks ............74 Pipe Racks................. 76 Platform Rail Padding ............78 Platform Worklights............79 SkyPower® 7.5 Kw and Generator 4 Kw........79 SkySense® ................. 81 SkyWelder® ............... 86 5.10 Workstation............... 88 31221544 RT3394, RT4394...
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Propane Fuel System ............106 Tires and Wheels.............. 107 6.10 Radio Frequency (RF) Information........109 6.11 Supplemental Information Only Applicable to CE/UKCA Machines ................ 110 6.12 EC Declaration of Conformity..........111 6.13 UKCA Declaration of Conformity ........112 RT3394, RT4394 31221544...
Read, understand, and study the Operation & Safety Manual in its entirety before operating the machine. For clarification, questions, or additional information regarding any portions of this manual, contact JLG Industries, Inc. • Only personnel who have received proper training regarding the inspection, application and operation of MEWPs (including recognizing and avoiding hazards associated with their operation) shall be authorized to operate a MEWP.
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Do not travel on unsupported surfaces. • This machine can be operated in nominal ambient temperatures of 0° F to 104° F (-20° C to 40° C). Consult JLG to optimize operation outside of this temperature range. 1.2.3 Machine Inspection •...
Do not allow personnel to tamper with or operate the machine from the ground with personnel in the platform, except in an emergency. • Do not carry materials directly on platform railing unless approved by JLG. • When two or more persons are in the platform, the operator shall be responsible for all machine operations.
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Prior to operation, ensure all gates and rails are fastened and secured in their proper position. • JLG Industries, Inc. recommends that all persons in the platform wear a full body harness with a lanyard attached to an authorized lanyard anchorage point while operating this machine. For further information regarding fall protection requirements on JLG products, contact JLG Industries, Inc.
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Maintain a clearance of at least 10 ft (3m) between any part of the machine and its occupants, their tools, and their equipment from any electrical line or apparatus carrying up to 50,000 volts. One foot additional clearance is required for every additional 30,000 volts or less. RT3394, RT4394 31221544...
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• Never exceed the maximum platform capacity as specified on the platform. Keep all loads within the confines of the platform, unless authorized by JLG. • Keep the chassis of the machine a minimum of 2 ft (0.6m) from holes, bumps, drop- offs, obstructions, debris, concealed holes, and other potential hazards at the ground level.
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Do not increase the platform size with unauthorized modifications, deck extensions, or attachments. WARNING Do not operate the machine when wind conditions exceed specifications shown in the General Specifications section of this manual or as shown on the capacity placard on the platform billboard. RT3394, RT4394 31221544...
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During operation, keep all body parts inside platform railing. • Keep hands and limbs out of the scissor arm assembly during operation and when elevated without safety prop engaged. • Always post a lookout when driving in areas where vision is obstructed. 31221544 RT3394, RT4394...
• When lifting machine with a forklift, position forks only at designated areas of the machine. Lift with a forklift of adequate capacity. • Refer to the Machine Operation section of this manual for lifting information. RT3394, RT4394 31221544...
Wear gloves to help protect hands from spraying fluid. • Use only replacement parts or components that are approved by JLG. To be considered approved, replacement parts or components must be identical or equivalent to original parts or components.
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Immediately rinse any contacted area with clean water and seek medical attention. • Charge batteries only in a well ventilated area. • Avoid overfilling the battery fluid level. Add distilled water to batteries only after the batteries are fully charged. RT3394, RT4394 31221544...
2.1.3 Operator Responsibility The operator must be instructed that they have the responsibility and authority to shut down the machine in case of a malfunction or other unsafe condition of either the machine or the job site. RT3394, RT4394 31221544...
6. Accessories and optional equipment. PREPARATION, INSPECTION, AND MAINTENANCE The following table covers machine inspections and maintenance required by JLG Industries, Inc. Consult local regulations for further requirements for MEWPs. The frequency of inspections and maintenance must be increased as necessary when the machine is used in a harsh or hostile environment, if the machine is used with increased frequency, or if the machine is used in a severe manner.
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Manual Service & Mainte- nance Manual Note: Inspection forms are available from JLG. Use the Service & Maintenance Manual to perform inspections. NOTICE JLG Industries, Inc. recognizes a factory trained service technician as a person who has successfully completed the JLG Service Training School for the specified JLG product model.
Refer to Section 3 for more specific instructions on the operation of each function. 10. Accessories/Attachments - Refer to the Accessories section in this manual or accessory installed upon the machine for specific inspection, operation, and maintenance instructions. 31221544 RT3394, RT4394...
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Keep gate closed at all times except when entering/ exiting the platform and loading/unloading materials. 12. Lanyard Anchorage Points – JLG Industries, Inc. recommends personnel in the platform wear a full body harness with a lanyard attached to an authorized lanyard anchorage point.
3. Spindle, Tie Rod, and Steer Linkage – See Inspection Note. 4. Wheels and Tires – Properly secured, no missing lug nuts (refer to Section — Tires Wheels). Inspect wheels for damage and corrosion. 5. Wheel Drive Hub – See Inspection Note. 31221544 RT3394, RT4394...
23. Platform/Handrail Installation (not shown) – See Inspection Note. 24. Platform Extension Stops and Rollers (not shown) - Extension stops secure and undamaged. Rollers are undamaged, free of debris and operate properly. FUNCTION CHECK Perform the Function Check as follows: RT3394, RT4394 31221544...
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Ensure that all machine functions are disabled when the Emergency Stop Button is activated. e. Ensure all machine functions stop when function control is released or when joystick trigger is released. f. Check that manual descent (lift down) operates with engine off and power 31221544 RT3394, RT4394...
Lockout cylinder system test must be performed quarterly, any time a system component is replaced, or when improper system operation is suspected. Note: Ensure platform is fully lowered prior to beginning lockout cylinder test, and that the surface used to approach the ramp is flat and level. RT3394, RT4394 31221544...
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7. Have an assistant check to see that the right oscillating axle wheel that was on the block is in position on the ground. The axle should oscillate so that all four wheels maintain contact with the ground. 31221544 RT3394, RT4394...
It may be necessary to activate drive to release the cylinder. 9. If the lockout cylinders do not function properly, have qualified personnel correct the malfunction prior to any further operation. RT3394, RT4394 31221544...
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It may be necessary to activate drive to release the cylinder. 9. If the lockout cylinders do not function properly, have qualified personnel correct the malfunction prior to any further operation. 31221544 RT3394, RT4394...
Ground controls operate lift up and down. Except for performing inspections and function checks, ground controls are to be used only in an emergency to lower the platform to the ground should the operator in the platform be unable to do so. RT3394, RT4394 31221544...
3. All machine systems are functioning properly. 3.3.3 Stability This machine, as originally manufactured by JLG and operated within its rated capacity on a smooth, firm surface, within the limits of the maximum operating slope, provides a stable aerial platform for all platform positions.
In addition, the switch can be used to turn off power to the function controls in the event of an emergency. Power is turned on by pulling the switch out (on), and is turned off by pushing the switch in (off ). 31221544 RT3394, RT4394...
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Hourmeter - The machine is equipped with an hour meter to indicate the number of hours the machine has been operated. Oil Pressure Indicator - Illuminates when the engine oil pressure drops too low. Overload Indicator (LSS) - Illuminates when the platform becomes overloaded. RT3394, RT4394 31221544...
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With the power select switch positioned to platform, power is turned on by pulling the switch out (on), and is turned off by pushing the switch in (off ). 31221544 RT3394, RT4394...
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20 seconds. Allow the glow plugs a few seconds to heat up before starting the engine within the time frame. Generator Start Switch - (Optional) - This toggle switch, when used, turns the onboard generator on and sets the engine speed. RT3394, RT4394 31221544...
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LED will stop blinking and stay lit. Leveling Jacks Set - This indicator light will blink when the leveling jacks are being extended. Leveling Jacks Retracting - This indicator light will blink when the leveling jacks are being retracted. 31221544 RT3394, RT4394...
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When auto leveling is selected this switch is used to manually adjust (trim) the leveling of the machine to the left or right. Refer to Manual Level Adjustment (Trim) for operating procedures. System Fault Indicator - This warning light will flash the appropriate distress code (flash code). RT3394, RT4394 31221544...
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In addition to normal operation, manual descent allows lift down with power on and engine off. CAUTION Do not lower without completely retracting the platform extension(s). 31221544 RT3394, RT4394...
The drive pump will shift back into high drive once the incline decreases to 5°. There will be a 2 second delay before the machine goes back to high drive. RT3394, RT4394 31221544...
1. With the platform in the stowed position, turn the power on and start machine. 2. Select the Level function on the three-position switch on the platform control console. 3. While squeezing the trigger switch on the controller, move the controller forward to lower the leveling jacks. 31221544 RT3394, RT4394...
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3. To adjust (trim) the machine to the left, activate the steer switch on the top of the controller to the left until the desired position is reached. RT3394, RT4394 31221544...
If operating from the platform controls, press the lift switch and then move the control handle forward and hold until desired elevation is reached or until platform is fully lowered. 31221544 RT3394, RT4394...
When operating a machine at high ambient temperatures, a decrease in ma- chine performance and an increase in engine coolant temperature may occur. Contact JLG Customer Service for operation under abnormal conditions. 3.13.1 Starting Procedure Note: Perform initial start-up from Ground Controls.
It is possible to switch from one fuel source to the other without allowing the engine to stop. Extreme care must be taken and the following instructions must be followed. 3.14.1 Changing from Gasoline to Liquid Propane Gas (LPG) 1. Start the engine from the platform control station. 31221544 RT3394, RT4394...
5. To raise the rails back to the upright position, unfold the rails in the reverse sequence they were folded. Firmly pull the rails back up into position and replace the rail pins into the rails. RT3394, RT4394 31221544...
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Hold the control box and keep at least 3 ft (1 m) distance from machine. Figure 8. Platform End Rails - Fold Down Sequence and Rail Pin Locations 31221544 RT3394, RT4394...
It is not recommended that this machine be towed, except in the event of an emergency such as a machine malfunction or a total machine power failure. Refer to Section — Emergency Procedures for emergency towing procedures. RT3394, RT4394 31221544...
3.18.2 Amber Beacon This amber-colored beacon flashes at a constant rate to alert those nearby that the machine is in an active work state. The device may also use different flash patterns to identify specific machine alerts. 31221544 RT3394, RT4394...
Refer to the Access Control and Beacons sections of this manual for more information. Visit the ClearSky section of the JLG website for more resources and information about accessing web portal or mobile app data. 3.20 ACCESS CONTROL - CLEARSKY SMART FLEET™ (IF...
These lugs enable the machine to be lifted using cranes or other suitable lifting devices. Note: If lifting becomes necessary from the lifting lugs, JLG Industries Inc. recom- mends the use of a proper spreader bar to avoid damage to the machine.
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3301 1001139654 1 1701505 - Diesel 701542 - Dual Fuel 1001264307 - RT3394 1001264308 - RT4394 * Both sides of machine. ** Location of sequence 102 and 104 moves to Leveling Jacks when the option is installed upon the machine.
INCIDENT NOTIFICATION JLG Industries, Inc. must be notified immediately of any incident involving a JLG product. Even if no injury or property damage is evident, JLG must be contacted by telephone and provided with all necessary details. • USA: 877-JLG-SAFE (554-7233) •...
3. Use cranes, forklifts or other equipment to stabilize motion of the machine to prevent a tip over as required. 4. From the ground controls, carefully free the platform from the object. 5. Once clear, restart the machine and return the platform to a safe position. 31221544 RT3394, RT4394...
Keep hands and arms out of the path of the scissor arms and platform while lowering. 2. Grasp the T-handle and slowly pull out to lower the scissor arms/platform. When the platform is lowered to desired level, allow the T-handle to return to its closed position. RT3394, RT4394 31221544...
If the CS550 (ClearSky® LED Motion / Amber Beacon) is removed from a machine or disconnected from the control system through damage, the machine may also be placed into a Locked Out state. NOTICE Contact the ClearSky Smart Fleet™ account owner if the machine is in a Locked Out state. 31221544 RT3394, RT4394...
Note: This accessory is only available in Korean markets. 5.2.1 Operation To operate a function, engage the footswitch and joystick trigger in any sequence before operating a function. RT3394, RT4394 31221544...
LARGE MATERIAL RACKS 1. Capacity Decal The Large Material Racks are mounted to the platform floor and are designed to carry flat panels or sheets and pipe/ducts. The racks may be used with both single and dual deck extensions. 31221544 RT3394, RT4394...
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Safety Precautions WARNING Multiple material-handling accessories may be installed but only one may be loaded at a time unless approved by JLG Industries, Inc. WARNING This accessory affects the overall platform capacity. Refer to the capacity decal and adjust accordingly. Weight in racks plus weight in platform must not exceed rated capacity.
Pipe Racks store pipe or conduit inside the platform in order to prevent rail damage and optimize platform utility. This accessory consists of two racks mounted to the top handrail with adjustable straps and hooks to secure the load in place. 31221544 RT3394, RT4394...
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Maximum length of material is 20 ft (6 m). Maximum diameter of material is 10" (254 mm). WARNING Multiple material-handling accessories may be installed but only one may be loaded at a time unless approved by JLG Industries, Inc. • Ensure no personnel are beneath the platform. •...
If a proximity switch is triggered by a nearby obstruction, the horn sounds and all motion immediately stops. In order to continue normal operation: 1. Release the selected function. 2. Press and hold the Horn button on control console. 31221544 RT3394, RT4394...
The generator supplies power when running at the specified speed with the power switch on (switch is located on platform). A two-pole, 20 Amp (4 kW) or three-pole, 30 Amp (7.5kW) circuit breaker protects the generator from overload. RT3394, RT4394 31221544...
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Preparation and Inspection • Ensure generator is secure. • Check condition of belt and wiring. 5.7.4 Operation Start the engine, then turn on the generator. Refer to the Miller Generator Technical Manual (PN 3128957) for more information. 31221544 RT3394, RT4394...
1. Ensure there are no obstructions within 10 feet around or above the platform and the machine is on a smooth, firm surface within the limits of the maximum operating slope. 2. From the platform control console, lift and lower the platform. RT3394, RT4394 31221544...
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The stop zone always activates at the same distance from the object regardless of the joystick’s position. SkySense is active during the following functions: • Lift Up • Drive Forward • Drive Reverse 31221544 RT3394, RT4394...
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LED Red: Machine is in SkySense stop zone and all machine functions will cease. • LED Flashing Red: SkySense sensor is obstructed or damaged. Obstructions must be removed and proper function verified. Damaged sensors must be replaced. RT3394, RT4394 31221544...
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When the operator overrides SkySense via the override button to get closer to a work surface, the machine will maintain creep speed and flash the appropriate indicator color based on location in either the warning or stop zones. 31221544 RT3394, RT4394...
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Note: Override button is only required to be engaged if the operator desires to move the platform closer to an object that is in or entering the stop zone. 5.8.8 SkySense Coverage Areas Level Three Note: Sensor Cones shown are approximations for reference only. RT3394, RT4394 31221544...
ANSI Specifications: • 3-phase: 240 V, 60 Hz, 7.5 kW • 1-phase: 240 V/120 V, 60 Hz, 6 kW 5.9.2 Welding Accessories • 12 ft welding leads with clamp and stinger (stored in the platform) • Fire extinguisher 31221544 RT3394, RT4394...
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Ensure there is a good ground connection and observe proper polarity. 5.9.5 Operation Start the engine, turn on the generator, then turn on the welder. Refer to the Miller Welder Owner’s Manual (PN 31215476) for more information. RT3394, RT4394 31221544...
5-200 A 79 VDC 150 Amp at —- —- 28 V, 100% Duty Cycle 5.10 WORKSTATION 1. Adjustable Work Surface 2. Decal The Workstation offers an adjustable work surface and additional space for storage of tools and objects. 31221544 RT3394, RT4394...
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Ensure the Workstation is secured to the platform. • Check for missing or damaged components. Replace if necessary. • Check for loose nuts and bolts. Torque to JLG Torque Chart Specifications if necessary. • Replace any missing or illegible decals.
33 ft (10 m) 43 ft (13.11 m) Maximum Drive Speed Platform Lowered: High 3.5 mph (5.6 kph) 2.0 mph (3.21 kph) 1.0 mph (1.61 kph) 0.5 mph (0.8 kph) (> 9 ft 6 in) Platform Elevated: RT3394, RT4394 31221544...
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Side to Side 3° 3° Figure — Hydraulic Oil Operating Temperature Specifications through Operating Temperature Figure — Engine Oil Operating Temperature Specifications - Kubota (Diesel Engine) Outside Turning Radius 233.5 in (5.93 m) Gross Vehicle Weight (Dual Fuel/ Diesel) 31221544 RT3394, RT4394...
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118 in (300 cm) Machine Width 92.5 in (235 cm) Machine Length 192.2 in (488.3 cm) 6.2.3 Fluid Capacities Fuel Tank Capacity 22 gal (83.3 L) Diesel: 22 gal (83.3 L) Gasoline: 43.5 lb (20 kg) LP Tank: RT3394, RT4394 31221544...
LP — 48.8 ft. lb. (66.2 Nm) @ 1800 RPM ENGINE OIL OPERATING TEMPERATURE NOTICE Machine operation using non-JLG approved engine oil or operation outside of the temperature boundaries outlined in the “Engine Oil Operating Temperature” charts may result in premature wear or damage to components of the engine.
Note: Hydraulic oils must have anti-wear qualities at least to API Service Classification GL-3, and sufficient chemical stability for mobile hydraulic system service. Note: Aside from JLG recommendations, it is not advisable to mix oils of different brands or types, as they may not contain the same required additives or be of comparable viscosities.
— Hydraulic Oil, Operating Temperature Specifications, page 98 NOTICE Machine operation using non-JLG approved hydraulic fluids or operation outside of the temperature boundaries outlined in the “Hydraulic Fluid Operating Temperature Chart” may result in premature wear or damage to components of the hydraulic system.
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To store the safety prop, raise the platform, release the actuator rod from the keeper plate bracket, push the safety prop rod so that the safety props are restored back to its stowed position. Lock the actuator rod in place with the rod keeper plate till next use. RT3394, RT4394 31221544...
If oil is not visible, add oil until oil is visible in both ADD and FULL sight windows on tank. Do not overfill tank. Any time the pump coupling is removed, coat splines of coupling with Texaco Code 1912 grease prior to assembly. 31221544 RT3394, RT4394...
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Fuel - Diesel or Gasoline (Per Engine Type - Reference Decal on Machine) • Capacity - 22 gal (83.2 L) 6.7.4 Drive Hub • Lube Points - Fill Plugs (4) • Lube - EPGL • Interval - Every 2 years or 1200 hours RT3394, RT4394 31221544...
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Figure — Engine Oil Operating Temperature Specifications - Kubota (Dual Fuel Engine.) • Interval - Every year or 200 hours of operation • Check oil level daily, maintain within marked level (1)/Change in accordance with engine manual. 31221544 RT3394, RT4394...
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Lube - HO - API service classification GL-3 (For operating temperatures, refer to Figure — Hydraulic Oil Operating Temperature Specifications.) • Interval - Check oil every 10 hours of operation; change oil every 2 years or 1200 hours of operation. RT3394, RT4394 31221544...
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Tighten drain. 6.7.9 Hydraulic Charge Filter • Lube Point - Replaceable Element • Interval - Change after first 50 hours and after every six months or 300 hours 31221544 RT3394, RT4394...
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(such as a very dusty work area) check condition of filter more often. • Once a week, squeeze the evacuator valve (2) on bottom of air cleaner assembly to allow collected debris to fall out of the air cleaner. RT3394, RT4394 31221544...
(where applicable) before servicing the propane fuel system components. To relieve propane fuel system pressure: 1. Close the manual shut-off valve on the propane fuel tank. 31221544 RT3394, RT4394...
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. If not using a JLG approved replacement tire, we recommend that replacement tires have the following characteristics: •...
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When selecting and installing a replacement tire, ensure that all tires are inflated to the pressure recommended by JLG. Due to size variations between tire brands, both tires on the same axle should be the same.
Consequently, a person within 20 cm (8 in) of a CS550 that is connected to machine battery power could expose that person to RF energy in excess of what has been established by the FCC RF exposure guidelines. RT3394, RT4394 31221544...
The vibration total value to which the hand-arm system is subjected does not exceed 2,5 m/s . The highest root mean square value of weighted acceleration to which the whole body is subjected does not exceed 0,5 m/s 31221544 RT3394, RT4394...
EN 61000-6-2:2005 • EN 60204-1:2018 • EN 280:2013+ A1:2015 • EN ISO 12100:2010 JLG Industries, Inc. hereby declares that the above mentioned machine conforms with the requirements of: • 2006/42/EC — Machinery Directive • 2014/30/EU — EMC Directive • 2014/53/EU — RED Directive (If fitted with optional equipment) Note: This declaration conforms with the requirements of annex II-A of the council di- rective 2006/42/EC.
EN 60204-1:2018 • EN 280:2013+ A1:2015 • EN ISO 12100:2010 JLG Industries, Inc. hereby declares that the above mentioned machine conforms with the requirements of: • 2008 No. 1597 - Supply of Machinery (Safety) Regulations 2008 • 2016 No. 1091 - Electromagnetic Compatibility Regulations 20165 •...
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Inspection, Maintenance and Repair Log Serial Number ___________________________________ Date Comments...
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Inspection, Maintenance and Repair Log...
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Corporate Office JLG Industries, Inc. 1 JLG Drive McConnellsburg, PA 17233-9533 USA (717) 485-5161 (Corporate) (877) 554-5438 (Customer Support) (717) 485-6417 Visit our website for JLG Worldwide Locations. www.jlg.com...
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