Operator’s Manual Part Number 0260071 (509646-100) April 2008
The aerial platform is not electrically insulated. Death or serious injury will result from contact with, or inadequate clearance from, an energized conductor. Do not go closer than the minimum safe approach distance as defined by the Minimum Safe Approach Distance section in Chapter 3–Safety. Regard all conductors as energized. Allow for electrical wire sag and aerial platform sway.
Table of Contents Electrical Danger............................. Inside Front Cover California Proposition 65................. Inside Front Cover Chapter 1 – Introduction Aerial Platform Features..............................................1 Options........................................................................1 Operator’s Manual.......................................................1 Safety Alerts................................................................1 Operation.........................
Table of Contents Tires and Wheels.......................................................28 Air Filled.................................................................28 Foam Filled............................................................29 Lower Control Station................................................29 Operating Controls.................................................29 Emergency Stop....................................................29 Emergency Power.........................................
Chapter 1 – Introduction Aerial Platform Features The aerial platform is a boom-supported elevating work platform used to raise personnel, their tools, and material to the workstation. The booms are raised and lowered with hydraulic cylinders. Hydraulic motors on the drive wheels provide power to move the aerial platform.
Chapter 1 – Introduction Training is essential and must be performed by a qualified person. • Become proficient in knowledge and actual operation before using the aerial platform on the job. • The operator must be trained and authorized to perform any functions of the aerial platform. • Operation of the aerial platform must be within the scope of the machine specifications.
Chapter 2 – Specifications Component Identification Upper Controls Power to Platform Outlet Platform Tie-Down Lugs Riser Hydraulic Reservoir Engine Compartment Engine • Hydraulic Pump • Battery Level Sensor • Drive Valve Block Hydraulic Fluid Filter Pivoting Front Axle Rear Hydraulic Fluid Reservoir and Filter Tie-Down/Lifting Lugs Chassis Front Right Side Main Boom Tip Boom Jib Riser Boom Lanyard Anchors Operator’s Manual Lower Controls Platform Foot Switch Front Fuel Tank Power to Platform I
Chapter 2 – Specifications Working Envelope 55 (16.7) 50 (15.2) 45 (13.7) 40 (12.2) 35 (10.6) 30 (9.1) 25 (7.6) 20 (6.1) 15 (4.5) 10 (3.0) 5 (1.5) 0 Feet (Meters) 30 (9.1) 25 (7.6) 20 (6.1) 15 (4.5) 10 (3.0) 5 (1.
Chapter 2 – Specifications General Specifications Aerial Platform Working height Maximum platform height Up and over height Maximum horizontal reach Main boom Articulation Extension Jib Articulation Extension Tail swing Turntable rotation Turning radius Inside Outside Wheelbase Ground clearance Maximum wheel load Maximum ground pressure Weight, EVW Approximate Width Stowed length Stowed height 52′ 4″ (15.9 m) 46′ 4″ (14.1 m) 25′ 2″ (7.6 m) 24′ 6″ (7.4 m) 0° to +72° 80″ (2.0 m) -70° to +70° 5′ (1.
Chapter 2 – Specifications Engine Specifications Engine Displacement Fuel Grade Coolant Oil Capacity Oil Grade Kubota V1505-TE 91 cu. in. (1498 cm3) Diesel Fuel No. 2-D ASTM D9751 50% water 50% Antifreeze2 1.77 gal (6.7 liter) API: CD grade or higher3 Note 1: Refer to the Kubota Operator’s Manual for specific fuel recommendations and specifications. Note 2: Refer to the Kubota Operator’s Manual for specific coolant recommendations and specifications.
Chapter 3 – Safety Knowledge of the information in this manual, and proper training, provide a basis for safely operating the aerial platform. Know the location of all controls and how they operate to act quickly and responsibly in an emergency. Minimum Safe Approach Distance Minimum safe approach distances to energized power lines and their associated parts must be observed while operating the aerial platform. Safety devices reduce the likelihood of an accident.
Chapter 3 – Safety Prestart Inspection Perform a prestart inspection before each shift as described in Chapter 7. Do not use the aerial platform on the job unless you are trained and authorized to do so. booms, or platform. Allow sufficient room and time to stop movement to avoid contact with structures or other hazards. Always look in the direction of movement. Work Place Inspection and Practices Do not use the aerial platform as a ground connection when welding.
Chapter 3 – Safety Tip-Over and Falling Hazards Operate the aerial platform only on a firm, flat, level surface capable of withstanding all load forces imposed by the aerial platform in all operating conditions. Refer to the General Specifications chart for the maximum wheel load and ground pressure. Raise the booms only when the aerial platform is on level ground. ADanger The aerial platform can tip over if it becomes unstable. Death or serious injury will result from a tip-over accident.
Chapter 3 – Safety Engine and Fuel Handling Precautions Do not overfill the fuel tank. Allow room for expansion. Refer to the engine manufacturer’s Operator’s Manual for complete information on safe engine operation, maintenance, and specifications. Clean up spilled fuel immediately. ADanger Engine exhaust contains carbon monoxide, a poisonous gas that is invisible and odorless. Breathing engine exhaust fumes will cause death or serious illness.
Chapter 4 – Safety Devices This aerial work platform is manufactured with safety devices, placards, and decals to reduce the likelihood of an accident. • For the safety of all personnel, do not disable, modify, or ignore any safety device. Note The lower controls override the upper controls. If the upper control emergency stop button is engaged, the lower controls can still be used to operate the aerial platform. At the upper controls, the emergency stop is a two-position push button (refer to Figure 4.2).
Chapter 4 – Safety Devices Platform Foot Switch Ground Fault Circuit Interrupter Step down on the platform foot switch (refer to Figure 4.3) to activate the upper controls. The electrical power outlet at the platform (refer to Figure 4.4) contains a ground fault circuit interrupter (GFCI) to provide protection for personnel. Top Rail Gravity Gate Lanyard Anchors Gravity Gate Reset Button Platform Foot Switch Mid Rail Test Button Toeboard Figure 4.
Chapter 4 – Safety Devices Low Oil Pressure Alarm The low oil pressure alarm sounds when the engine oil pressure is near the lower limit for safe engine operation. If the alarm sounds, lower the platform to the ground and then turn the engine off. • If the engine oil pressure falls below a safe operating value the engine will shut off. • The engine can be restarted with low oil pressure, but it will only run for a few seconds before it shuts off again.
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Chapter 5 – Gauges and Displays The aerial platform is equipped with several gauges to monitor the condition of the machine before and during operation. Hour Meter The hour meter is located on the lower control panel (refer to Figure 5.1). It measures the accumulated engine operating time. Engine Oil The engine oil level is measured with a dipstick. The dipstick is the only way to accurately determine the engine oil level.
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Chapter 6 – Controls ADanger Pinch points may exist between moving components. Death or serious injury will result from becoming trapped between components, buildings, structures, or other obstacles. Make sure all personnel stand clear while operating the aerial platform. • Controls to position the platform are located on the lower control panel on the turntable and on the upper control panel in the platform. • Controls to drive the aerial platform are located on the upper control panel only.
Chapter 6 – Controls Emergency Stop Button The emergency stop (refer to Figure 6.2) is a two-position, red push button. Rotation Switch The rotation switch (refer to Figure 6.2) is used to rotate the turntable in a clockwise or counterclockwise direction. The switch is spring returned to the center off position. • Push the button inward to disconnect power to all control circuits. • Hold the switch to the right to rotate the turntable counterclockwise. • Pull the button outward to restore power.
Chapter 6 – Controls Boom Extension Switch The boom extension switch (refer to Figure 6.2) is used to extend or retract the booms. The switch is spring returned to the center off position. • Hold the switch to the right to extend the booms. • Hold the switch to the left to retract the booms. Jib Articulation Switch The jib switch (refer to Figure 6.2) is used to raise or lower the jib. The switch is spring returned to the center off position. • Hold the switch upward to raise the jib.
Chapter 6 – Controls The circuit breakers protect the electrical wiring and components from electrical overload in case of a short circuit or other fault. Upper Control Circuit Breaker Start Switch ACaution A tripped circuit breaker indicates a malfunction in the electrical system. Component damage can result if the cause of the malfunction is not corrected. Do not operate the aerial platform if the circuit breaker trips repeatedly. Push the button to reset the circuit breaker. Upper Controls Figure 6.
Chapter 6 – Controls Note On some machines it may be necessary to pause about three seconds in the on position before going to start so the starter can engage. If the platform is to stay in a particular position for a long time, turn the start switch to off to shut off the engine and save fuel. Start Switch Preheat Switch Emergency Stop Button The emergency stop is a two-position, red push button on the top of the upper control panel (refer to Figure 6.6).
Chapter 6 – Controls Hold the joystick forward to move the aerial platform forward and backward to move in reverse as indicated by the directional arrows on the chassis. Drive and steer functions may be operated simultaneously. Steer Switch The steer switch (refer to Figure 6.6) is a momentary contact, rocker switch on top of the drive joystick. This switch controls the two front wheels to steer the aerial platform. • To steer to the right, hold down the right side of the steer switch.
Chapter 6 – Controls spring returned to the engine position for aerial platform engine operation. ACaution The emergency power system is for emergency lowering and stowing only. The length of time the pump can be operated depends on the capacity of the battery. Do not use this system for normal operation. • Hold the engine/emergency power switch downward in the direction of the white arrow to activate the emergency power system. • Release the switch to disengage the emergency power system.
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Chapter 7 – Prestart Inspection Potential service and safety problems may be detected by inspecting the aerial platform. This chapter includes information on properly inspecting the aerial platform and includes a prestart inspection check list at the end of the chapter to ensure that no areas are overlooked. Engine Remove the keeper pins and release the latches on either side of the engine cover (refer to Figure 7.2). Remove the engine cover to access the engine compartment.
Chapter 7 – Prestart Inspection Coolant The engine is liquid cooled. • When the engine is cold, the coolant level should be between the Hot and Cold marks on the coolant reservoir (refer to Figure 7.3). • When the engine is at operating temperature, the coolant should be at the Hot level. 5. Make sure the radiator core and ventilation openings on the cover are free of bugs, dirt, or foreign material that might restrict airflow.
Chapter 7 – Prestart Inspection Battery Terminals To inspect the battery terminals: Terminals 1. Check the top of the battery, the terminals, and cable ends. They should be clean and free of corrosion (refer to Figure 7.5). 2. If necessary, clean the top of the battery. Clean the terminals and cable ends with a wire brush or terminal cleaning tool. Caps Figure 7.5 – Battery AWarning Batteries give off hydrogen and oxygen that can combine explosively.
Chapter 7 – Prestart Inspection 2. Make sure the hoses are properly routed to avoid sharp edges, kinking, and scuffing. Fluid Sight Gauge 3. Inspect the tubes for dents or other damage that may restrict fluid flow. 4. Make sure all hoses and tubes are held firmly in their support brackets. 5. Check under the chassis for fluid that has leaked. Hydraulic fluid leaks are easily visible on the ground. Tires and Wheels Figure 7.
Chapter 7 – Prestart Inspection 3. Test the air pressure with a pressure gauge to make sure the tires are properly inflated. Check the tires several times throughout the day to see that they are properly inflated. Foam Filled Foam filled tires do not have a pressure decal or a valve core. To inspect foam filled tires and wheels: 1. Check the wheel lug nuts to see that none are missing, damaged, or loose. 3. Insert the key into the start switch and turn the switch to start to the on position.
Chapter 7 – Prestart Inspection Emergency Power To test the emergency power system from the lower controls: 1. Place the battery disconnect switch, the emergency stop switch, and the start switch in the on position. 2. Hold the engine/emergency power switch down and the ground operation switch upward to operate the aerial platform from the lower controls using the emergency power system. Level Sensor Use the following procedure to test the level sensor: 1.
Chapter 7 – Prestart Inspection To inspect the slide pads: Top Rail 1. Use the lower controls to position the main boom near horizontal. Extend the tip boom about 1′ (30 cm). Gravity Gate Lanyard Anchors Gravity Gate 2. Visually inspect the slide pads to make sure they are securely fastened to the main boom. 3. Inspect the surface where the pads contact the tip boom. The paint must be in place with no signs of bare metal.
Chapter 7 – Prestart Inspection Engine/Emergency Power Switch Emergency Stop To test the emergency stop button from the upper controls: Emergency Stop Button Horn Switch 1. At the lower controls, start the engine and place the control selector switch in the upper control position. 2. At the upper controls, push the emergency stop button inward to turn off electrical power. 3. Verify that the engine shuts off and the upper control functions do not operate. Start Switch Figure 7.14 – Upper Controls 4.
Chapter 7 – Prestart Inspection Some machines may have an electrical outlet at the platform, but no power-input connector on the chassis. In that case, power is supplied by an optional AC generator. An external power source is not required. With the engine running, place the AC generator switch in the generator position to provide electrical power to the electrical outlet at the platform and to the outlet on the end of the generator housing.
Chapter 7 – Prestart Inspection Allow for sway, rock, and sag. 0323899 DA NG E R D O N O T A L T E R O R D IS A B L E L IMIT S W IT C H E S , S A F E T Y S W IT C H E S , O R IN T E R L O C K S .
Chapter 7 – Prestart Inspection Allow for sway, rock, and sag. 0323899 0323899 0323897 0074210 0150602 0323897 DA NG E R FA IL UR E TO C OMP LY TO T HE F OL L OWING R UL E S C A N R E S ULT IN DE AT H OR S E R IOUS INJ UR Y. Left Side E L E C T R O C U T IO N HA ZA R D Do not operate this machine unles s you are a qualified operator and have read and thoroughly unders tand all information given in the Operator's Manual and on danger and caution s igns on this machine.
Chapter 7 – Prestart Inspection 0323896 MA C HINE T IP O V E R HA ZA R D DE AT H or s erious injury can res ult if machine tips over. T his machine is equipped with foam filled or s olid tires , wheel weight is critical for s tability. To prevent machine tip over, replace tires with factory approved foam filled or s olid tires O NLY. DO NO T attempt to inflate foam filled or s olid tires .
Chapter 7 – Prestart Inspection 0151410 0151410 DA NG E R E L E C T R O C U T IO N HA ZA R D T HIS MA C HINE IS NOT E L E C T R IC A L LY INS UL AT E D Radiator Maintain 10 feet minimum clearance from electrical power lines and apparatus . You mus t allow for platform s way, rock, or s ag. T his aerial device does not provide protection from contact with or proximity to an electrically charged conductor. Death or s erious injury will res ult from s uch contact or inadequate clearance.
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Chapter 7 – Prestart Inspection Prestart Inspection Checklist Item Inspect For Operator’s Manual Engine Oil level Coolant Radiator Fuel tank and line Electrical System Battery Battery fluid level and terminals Cables and wiring harness Hydraulic System Fluid level Fluid filter Hoses, tubes, and fittings Cold weather warm-up Tires Air filled Foam filled Wheels Lower Control Station Operating controls Emergency stop and emergency power Level Sensor Flashing Light All Motion Alarm Structures Weldments –
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Chapter 8 – Operation The aerial platform may be operated from either the lower or upper controls. ADanger The aerial platform is not electrically insulated. Death or serious injury will result from contact with, or inadequate clearance from, an energized conductor. Do not go closer than the minimum safe approach distance as defined by ANSI. before operation. Do not operate the engine at more than a fast idle until the engine and hydraulic oil has had a chance to warm.
Chapter 8 – Operation machine is stowed. With the cylinder bottomed out the oil flow will produce heat to warm the hydraulic oil. ACaution 2. Insert the key into the start switch, turn the switch to the on position and pause a few seconds while the alarm sounds to alert others that the machine is about to start. Operate the preheat button if required. Not all hydraulic fluid is suitable to use in the hydraulic system. Some have poor lubricating characteristics and may increase component wear.
Chapter 8 – Operation Boom Operation Use the following procedure to operate the turntable, boom, or platform functions. Emergency Stop Button 1. Step down on the platform foot switch (refer to Figure 8.3). This switch must be held down to operate the upper controls. Lanyard Anchors Top Platform Foot Switch Preheat Switch Start Switch Figure 8.3 – Platform 2. Hold the appropriate control in the desired direction. Always look in the direction of movement. Front Figure 8.2 – Upper Controls 5.
Chapter 8 – Operation AWarning Death or serious injury could result from improperly driving or steering the aerial platform. Read and understand the information in this manual and on the placards and decals on the machine before operating the aerial platform on the job. The blue and yellow arrows on the chassis indicate the direction the chassis will move when the drive or steer control is moved toward the corresponding color.
Chapter 8 – Operation When the main or riser boom is raised from its rest, the axle locks into position to maximize the stability of the machine while the platform is elevated. All Motion Alarm The optional all motion alarm sounds loud intermittent beeps anytime the machine functions are being operated. Gradeability Gradeability refers to the maximum slope that the aerial platform is capable of travel.
Chapter 8 – Operation Driving on a Slope The machine should only be driven on a slope or loading ramp in the stowed position with the platform on the downhill side. Length ADanger The aerial platform can tip over if it becomes unstable. Death or serious injury will result from a tip-over accident. Do not drive on slopes that exceed 40 percent grade, or where conditions of the slope could cause driving to be hazardous.
Chapter 8 – Operation Air Line The optional air line may be used to conduct air for tool operation at the platform. • The input connector is at the rear of the chassis and the output connector is at the platform on the rotator guard. • The maximum working pressure of the line is 250 psi (1,723 kPa). Power-Input Connector The air line may be used to conduct fluids such as water or antifreeze. Contact Snorkel for compatibility information before using the air line to conduct other fluids. Figure 8.
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Chapter 9 – Stowing and Transporting To prevent unauthorized use and damage, properly stow the aerial platform at the end of each work day. It must also be properly stowed while transporting. Drive the aerial platform onto the transport vehicle if the ramp incline is within the 40 percent grade capability of the aerial platform. Stowing A 40 percent grade is a 48″ (1.2 m) vertical rise in 10′ (3.05 m) horizontal length. The properly stowed position is shown in Figure 9.1.
Chapter 9 – Stowing and Transporting ADanger The aerial platform can tip over if it becomes unstable. Death or serious injury will result from a tip-over accident. Set the drive range to low before driving up or down a grade. 9. Place the drive range switch in the low position. Bolt Disconnect Plate 10. Drive the aerial platform onto the transport vehicle in a straight line through the grade transitions with minimal turning. 11. Rotate the turntable to align the main boom between the rear wheels. 12.
Chapter 9 – Stowing and Transporting The user assumes all responsibility for: • Making sure the equipment used is capable of supporting the weight of the aerial platform. • Making sure all manufacturer’s instructions and warnings, regulations and safety rules of their employer and/or any state or federal law are followed. Use the following procedure to hoist the aerial platform onto the transport vehicle. • Careful rigging of the spreaders is required to prevent machine damage. 6.
Chapter 9 – Stowing and Transporting 8. Use a nylon strap to securely fasten the platform against the wood block. Thread the strap through the tie-down brackets at the front of the platform. 9. Use chains or straps to securely fasten the aerial platform to the transport vehicle using the tie-down lugs as attachment points. Proper tie-down and hauling are the responsibility of the carrier.
Chapter 10 – Emergency Operation If the main hydraulic system fails the aerial platform may be lowered and stowed using the emergency power system. Emergency Power System The emergency power system can be used to operate the machine from the lower or upper controls. ACaution Control Selector Switch Start Switch Engine/Emergency Power Switch Emergency Stop Button The emergency power system is for emergency lowering and stowing only.
Chapter 10 – Emergency Operation Engine/Emergency Power Emergency Stop Button Start Switch Top Front Figure 10.3 – Upper Controls 3. Step down on the platform foot switch (refer to Figure 10.4). Platform Foot Switch Figure 10.4 – Platform Foot Switch 4. Hold the engine/emergency power switch in the emergency power position. 5. Hold the appropriate function toggle switch in the desired direction.
Chapter 11 – Troubleshooting The troubleshooting chart may be used to locate and eliminate situations where machine operation may be interrupted. If the problem cannot be corrected with the action listed, stow the machine and remove it from service. Repairs must be made by qualified maintenance personnel. Troubleshooting Chart Symptom Possible Cause Corrective Action Engine will not start from lower or upper controls. Out of fuel. The engine will crank, but will not start. Add correct type of fuel.
Chapter 11 – Troubleshooting Symptom Possible Cause Corrective Action Engine will not start from upper controls. Switches are set wrong. The engine will not crank. Turn the battery disconnect switch on and then at the lower controls: • Turn the start switch off. • Pull the emergency stop button outward. • Place the controls switch in the upper control position. • Place the start switch in the on position. From the upper controls: • Turn the start switch off. • Pull the emergency stop button outward.
Chapter 11 – Troubleshooting Symptom Possible Cause Corrective Action Constant tone alarm sounds while the engine is running. No alternator current/broken fan belt. Turn the engine off. Do not restart the engine until the cause of no alternator current has been corrected or the fan belt is replaced. Constant tone alarm sounds and engine shuts off. High engine temperature. Let the engine cool. Do not restart the engine until the cause of overheating has been corrected. Low oil pressure.
Chapter 11 – Troubleshooting Symptom Possible Cause Corrective Action Riser and/or main boom drifts down. Hydraulic system malfunction. Stow the machine and do not operate until repairs are made. Drive functions do not work. Load capacity exceeded. Remove load from platform. Refer to platform capacity placard for maximum capacity. Machine on too steep a grade. Lower the booms and drive to a level surface. Drive hubs are disengaged.
Chapter 11 – Troubleshooting Symptom Possible Cause Corrective Action Hydraulic fluid temperature 200°F Hydraulic system component failure. (93°C) or more. Stow the machine and do not operate until repairs are made. Severe hydraulic leak. Do not operate machine until repairs are made. AB46JRT – 0260071 Failure of hose, tube, fitting, seal, etc.
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Appendix A – Glossary aerial platform – a mobile device that has an adjustable position platform, supported from ground level by a structure. ambient temperature – the air temperature of the immediate environment. authorized personnel – personnel approved as assigned to perform specific duties at a specific location. base – the relevant contact points of the aerial platform that form the stability support (e.g. wheels, casters, outriggers, stabilizers).
Appendix A – Glossary AB46JRT – 0260071
LIMITED WARRANTY Snorkel warrants each new machine manufactured and sold by it to be free from defects in material and workmanship for a period of one (1) year from date of delivery to a Customer or for one year after the machine has been placed in first service in a Dealer rental fleet, whichever comes first.
