OPERATOR’S MANUAL Serial number 004509 and after Part Number 8210052 August 2012
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 Chapter 9 – Operation Cold Weather Start-Up..............................................35 Manually Warming the Hydraulic System...............35 Preparing for Operation.............................................35 Lower Controls..........................................................35 Upper Controls..........................................................36 Boom Operation.....................................................36 Driving and Steering..................................
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 aerial platform has been designed for use on hard surface floors such as concrete. The booms are raised and lowered with hydraulic cylinders. Electric motors on the drive wheels provide power to move the aerial platform.
Chapter 1 – Introduction The operator bears ultimate responsibility for following all manufacturer’s instructions and warnings, regulations and safety rules of their employer and/or any state or federal law. Maintenance Every person who maintains, inspects, tests, or repairs the aerial platform must be qualified to do so. Following the daily prestart inspection in this Operator’s Manual will help keep the aerial platform in optimum working condition.
Chapter 2 – Specifications Component Identification Power to Platform Outlet Left Side Platform Upper Controls Riser Boom Lower Controls Hydraulic Fluid Reservoir and Filter Operator’s Manual Riser Lanyard Anchors Main Boom Tip Boom Tie-Down/Lifting Lugs Chassis Rear Electrical Compartment Battery Disconnect • Battery Charger Power to Platform Input Connector Front Tie-Down/Lifting Lugs Battery Tray (Both Sides) Right Side A38E – 8210052
Chapter 2 – Specifications Working Envelope 45.5 (13.8) 42.25 (12.8) 39 (11.8) 35.75 (10.8) 32.5 (9.9) 29.25 (8.9) 26 (7.9) 22.75 (6.9) 19.5 (5.9) 16.25 (4.9) 13 (3.9) 9.75 (2.9) 6.5 (1.9) 3.25 (0.9) Feet (Meters) 0 19.5 (5.9) 16.25 (4.9) 13 (3.9) 9.75 (2.9) 6.5 (1.9) 3.25 (0.9) 0 3.25 (0.9) 6.5 (1.9) 9.75 (2.9) 13 (3.9) 16.25 (4.9) 19.5 (5.
Chapter 2 – Specifications General Specifications Aerial Platform Working height Maximum platform height Up and over height Maximum horizontal reach Turntable rotation Turning radius Inside Outside Wheelbase Ground clearance Weight, EVW Approximate Width Stowed length Stowed height 43′ 7″ (13.2 m) 37′ 7″ (11.4 m) 17′ 9″ (5.4 m) 18′ 4″ (5.5 m) 362° non-continuous 1′ 4″ (0.4 m) 7′ 10″ (2.4 m) 4′ 2″ (1.27 m) 5″ (13 cm) 8,822 lbs (3,850 kg) 4′ 11″ (1.5 m) 13′ 3″ (4.
Chapter 2 – Specifications A38E – 8210052
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 8. Do not use the aerial platform on the job unless you are trained and authorized to do so. Work Place Inspection and Practices Do not use the aerial platform as a ground connection when welding. • The welding ground clamp must be attached to the same structure that is being welded. Danger Pinch points may exist between moving components.
Chapter 3 – Safety Properly stow the aerial platform and secure it against unauthorized operation at the end of each work day, before transporting, or if it is left unattended. Do not operate the aerial platform from trucks, trailers, railway cars, floating vessels, scaffolds, or similar equipment unless the application is approved in writing by Snorkel.
Chapter 3 – Safety Danger Hydraulic fluid escaping under pressure can have enough force to inject fluid into the flesh. Serious infection or reaction will result if medical treatment is not given immediately. In case of injury by escaping hydraulic fluid, seek medical attention at once. Placards and Decals The aerial platform is equipped with placards and decals that provide instruction for operation and accident prevention.
Chapter 4 – Safety Devices This aerial work platform is manufactured with safety devices, placards, and decals to reduce the likelihood of an accident. Emergency Stop Button • For the safety of all personnel, do not disable, modify, or ignore any safety device. • Safety devices are included in the daily prestart inspection. Warning The potential for an accident increases when safety devices do not function properly. Death or serious injury could result from such accidents.
Chapter 4 – Safety Devices Manual Tip Boom Retraction The manual hand pump may be used to manually retract the tip boom if there is a malfunction in the hydraulic or electrical system. The hand pump is on the control valve underneath the front chassis cover (refer to Figure 4.5). Emergency Lowering Knob Handle Rear of Chassis – Riser Boom Lift Cylinder Hand Pump Emergency Lowering Knob Figure 4.
Chapter 4 – Safety Devices Lanyard Anchors Two lanyard anchors for fall restraint anchorage are provided at the rear of the platform (refer to Figure 4.7). Horn The horn may be used to warn personnel on the ground. The horn switch is to the right of the emergency stop button on the upper control panel (refer to Figure 4.8). The horn is operational when the machine is set up for operation from the upper controls. Lanyard Anchors Horn Figure 4.
Chapter 4 – Safety Devices 14 A38E – 8210052
Chapter 5 – Gauges and Displays The aerial platform is equipped with an hour meter and a battery charge indicator to monitor the condition of the machine before and during operation. Display Screen An LED display screen is located on the upper control panel (refer to Figure 5.1). 5. Push the emergency stop button inward. Battery Charge Indicator The battery charge indicator is on the battery charger on the right side of the chassis (refer to Figure 5.2).
Chapter 5 – Gauges and Displays 16 A38E – 8210052
Chapter 6 – Batteries The battery trays, located on each side of the chassis, contain eight, 220 amp, 6 volt batteries to operate the aerial platform drive and control systems. To access the batteries, loosen the knob on each side of the tray and remove the cover. For optimal battery performance the battery fluid level must be maintained and the battery connections must be kept clean. General Maintenance Always keep the batteries clean, free of dirt and corrosion.
Chapter 6 – Batteries Note Do not operate any of the aerial platform functions while the battery charger is plugged in. Battery Disconnect 6. Visually inspect the battery charge indicator (refer to Figure 6.2). • The charger will turn on three to five seconds after a complete electrical connection is made. • The LED charge indicator will be lit while the batteries are charging. • When the batteries are fully charged, the charge indicator will blink. Figure 6.2 – Electrical Compartment 2.
Chapter 7 – Controls Danger 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. Lower Controls The lower controls (refer to Figure 7.
Chapter 7 – Controls Upper Controls Emergency Stop Override The platform can be lowered in an emergency from the lower controls using the upper controls emergency stop override (refer to Figure 7.2). Circuit Breaker Reset Button The electrical power outlet at the platform has a 15 amp circuit breaker. The reset button is on the right side of the electrical box (refer to Figure 7.3). • Hold the upper controls emergency stop override switch upward to enable the lower controls.
Chapter 7 – Controls The following controls are located on the upper control panel: • • • • • • • • • • • Emergency stop button Joystick Steer switch Drive/steer select Riser select Main boom select Tip boom select Turntable rotation select Platform level select Horn button Platform rotator Emergency Stop Button The emergency stop (refer to Figure 7.4) is a two-position red push button. • Push the emergency stop button inward to disconnect power to the upper controls.
Chapter 7 – Controls • To rotate the turntable counterclockwise press the turntable rotation button and then pull the joystick backward, the direction of the yellow arrow. Platform Level Button The platform level button (refer to Figure 7.4) is used with the joystick to level the platform. • To tilt the platform floor upward or away from the ground press the platform level button and then push the joystick forward, the direction of the red arrow.
Chapter 8 – 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. Warning The potential for an accident increases when operating an aerial platform that is damaged or malfunctioning. Death or serious injury could result from such accidents.
Chapter 8 – Prestart Inspection Note Only use distilled water when refilling the batteries. Tap water may contain metallic solids such as iron which can reduce the life of the batteries. 4. Replace the caps on the batteries. The caps must be in place and tight during machine operation. Battery Terminals To inspect the battery terminals: 1. Check the top of each battery, the terminals, and cable ends. They should be clean and free of corrosion (refer to Figure 8.2). 2.
Chapter 8 – Prestart Inspection Cables and Wiring Harness To inspect the cables and wiring harness: 1. Visually inspect all cables and wiring for wear and/or physical damage such as loose connections, broken wires, and frayed insulation. 2. Check the wiring in areas where a change in routing direction may cause them to become pinched. 3. Make sure the cables and wires are properly routed to avoid sharp edges, pinching, and scuffing.
Chapter 8 – Prestart Inspection Tires and Wheels Visually inspect the tires and wheels (refer to Figure 8.8) to make sure they are suitable for service. 3. Insert the key into the start switch and turn the switch to the on position. 4. Press and hold the ground operation button. Danger Pinch points may exist between moving components. Death or serious injury will result from becoming trapped between components, buildings, structures, or other obstacles.
Chapter 8 – Prestart Inspection 2. Verify that the turntable can be rotated in both directions using the ratchet. Manual Tip Boom Retraction Use the following procedure to test the manual tip boom retraction function: Emergency Lowering Knob 1. From the lower controls, extend the tip boom a few feet and then press the emergency stop button. 2. Remove the cover from the front of the chassis to access the control valve. Rear of Chassis – Riser Boom Lift Cylinder 3. Insert the handle (refer to Figure 8.
Chapter 8 – Prestart Inspection Weldments To inspect the weldments: 1. Visually inspect all weldments for abnormal wear, abrasion, or deformation that could cause interference between moving parts. 3. Raise the riser boom to access the inner race rotation bearing bolts in the turntable (refer to Figure 8.14). The outer race bolts can be viewed through the openings in the turntable. Rotate the turntable to inspect all of the outer race bolts. 2. Inspect the welds on the structural components.
Chapter 8 – Prestart Inspection 2. Visually inspect the rail and toeboard welds for cracks. 3. Visually check all bolts and nuts fastening the platform in place. They must be present and not show any signs of looseness. 4. Inspect the gravity gates to be sure they are present, not damaged, and move freely. Lanyard Anchors There are two lanyard anchors below the upper control panel (refer to Figure 8.16).
Chapter 8 – Prestart Inspection 2. At the upper controls, push the emergency stop button inward to turn off electrical power. 2. Plug an electrical tool into the outlet and verify the power is off. 3. Verify that the upper control functions do not operate. • If the power was off, push the reset button to restore power. Horn Operate the horn switch (refer to Figure 8.17) to ensure that it sounds to warn personnel in the area. • If the power was on, repair or replace the receptacle.
Chapter 8 – Prestart Inspection 58181-400 58181-400 58537-000 Both Sides 56761-000 56761-000 Right Side 58537-000 A38E – 8210052 31
Chapter 8 – Prestart Inspection 32 A38E – 8210052
Chapter 8 – Prestart Inspection Prestart Inspection Checklist Item Operator’s Manual Electrical System Batteries Battery fluid level and terminals Battery charger and condition indicator Cables and wiring harness Hydraulic System Fluid level Hoses, tubes and fittings Tires Wheels Lower Control Station Operating controls Emergency stop Level Sensor Flashing Light All Motion Alarm Structures Weldments Slide pad retainers Fasteners Upper Control Station Guardrail system and lanyard anchors Operating controls
Chapter 8 – Prestart Inspection 34 A38E – 8210052
Chapter 9 – Operation The aerial platform may be operated from either the lower or upper controls. Danger 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. Pinch points may exist between moving components.
Chapter 9 – Operation Emergency Stop Button Main Boom Tip Boom Riser Analog Rocker Boom Operation Use the following procedure to operate the turntable, boom, or platform functions. Enable 1. Press the appropriate function button. Upper Controls Emergency Stop Override Turntable Rotation Start Switch 4. Attach the fall restraint lanyard to one of the anchor points. Figure 9.1 – Lower Controls 2. Insert the key into the start switch and turn the switch to the on position. 3.
Chapter 9 – Operation When the machine is in the stowed position, with the booms centered between the rear wheels, the direction of drive and steer control movement corresponds with the direction of chassis movement. When the turntable is rotated from the stowed position, with the booms to either side of or in front of the chassis, the direction of control movement does not correspond with the direction of chassis movement.
Chapter 9 – Operation 38 A38E – 8210052
Chapter 10 – 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. Stowing The properly stowed position is shown in Figure 10.1. A 36 percent grade is a 43″ (1.1 m) vertical rise in 10′ (3.05 m) horizontal length. Use a winch to load and unload the aerial platform on ramps that exceed the grade capability of the machine.
Chapter 10 – Stowing and Transporting Danger 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. 6 mm Socket Screw 9. Drive the aerial platform onto the transport vehicle in a straight line through the grade transitions with minimal turning. 10. Rotate the turntable to align the main boom between the rear wheels. 11.
Chapter 10 – Stowing and Transporting • Making sure the equipment used is capable of supporting the weight of the aerial platform. 6. Adjust the length of each chain or strap so the aerial platform remains level when raised off the ground. • Making sure all manufacturer’s instructions and warnings, regulations and safety rules of their employer and/or any state or federal law are followed. 7. Use the hoist or crane to carefully raise and position the aerial platform onto the transport vehicle.
Chapter 10 – Stowing and Transporting 42 A38E – 8210052
Chapter 11 – Emergency Operation If the main hydraulic system fails: • The platform may be lowered using the emergency lowering knobs. • The turntable may be manually rotated. • The tip boom may be manually retracted. • The machine may be towed if the drive system fails. • Refer to Emergency Lowering, or Towing for the appropriate procedure. Emergency Lowering Use the following procedure to lower the platform. Warning The potential for an accident increases when safety devices do not function properly.
Chapter 11 – Emergency Operation 2. At each drive wheel, using a 6 mm Allen wrench, turn the socket screw (refer to Figure 11.4) fully clockwise. Handle Hand Pump 6 mm Socket Screw Figure 11.3 – Control Valve Under Front Chassis Cover Figure 11.4 – Drive Wheel Towing The aerial platform may be pushed or pulled after disengaging the brakes. Use the following procedure to manually disengage the brakes. Warning The aerial platform is free to move when the brakes are released.
Chapter 12 – 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 Will not work from lower or upper controls. Batteries discharged. Recharge the batteries. Battery charger plugged in.
Chapter 12 – Troubleshooting Symptom Possible Cause Corrective Action Battery charge indicator does not indicate a reading when charging batteries. No source of power. Make sure power source is plugged in and turned on. Circuit breaker is tripped. Unplug the charger until the internal circuit breaker has reset. Boom and drive functions seem sluggish. Hydraulic oil is cold and thick. Use cold weather hydraulic oil as recommended for weather conditions. Warm oil before operating the machine.
Chapter 12 – Troubleshooting When a fault code is displayed on the upper control panel, the chart below 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. Fault Code Possible Cause Corrective Action 01 - 39 Upper or lower control function depressed during machine start up.
Chapter 12 – Troubleshooting 48 A38E – 8210052
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. Minimum Safe Approach Distance – the minimum safe distance that electrical conductors may be approached when using the aerial platform. Also called M.S.A.D. authorized personnel – personnel approved as assigned to perform specific duties at a specific location.
Appendix A – Glossary A38E – 8210052
Product Warranty 1. 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. The warranty will apply subject to the machine being operated in accordance with the rules, precautions, instructions and maintenance requirements outlined in the Snorkel Operator's and Repair Parts Manuals. 2.
Product Warranty 8. At the direction of the Snorkel Warranty Department, any component part(s) of Snorkel products to be replaced or repaired under this warranty program must be returned freight prepaid for inspection. An RMA (Returns Material Authorisation) must be requested from Snorkel Warranty Department, a copy to be placed with the returning component part(s). 9.
Product Warranty 3. Any Snorkel product which has been subject to misuse and abuse, improper maintenance or accident. “Misuse” includes but is not limited to operation beyond the factory-rated load capacity and speeds. “Improper maintenance” includes but is not limited to failure to follow the recommendations contained in the Snorkel Operator's and Repair Parts Manuals. 4. Normal wear of any Snorkel component part(s).
Product Warranty APPEAL The buyer may appeal in writing against a rejected or adjusted claim to Snorkel Warranty Department within a period of 21 days of receiving the rejection or adjustment notice. The appeal should be grounded on express reasons and supported by relevant evidence. Appeals received outside of this time limit will not be considered.
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