Related Manuals for Snorkel SL20
Summary of Contents for Snorkel SL20
- Page 1 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Operator’s Manual battery powered P/N 300206 October, 1998...
- Page 2 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Electrical Hazard DANGER The aerial platform is not electrically insulated. Death or serious injury can 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.
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Page 3: Table Of Contents
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Table of Contents Chapter 1. Introduction Platform Raise/Lower Switch ... 7-1 Circuit Breaker Reset Button... . 7-1 Safety Alerts . - Page 4 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Table of Contents Chapter 9. Operation Preparing for Operation ....9-1 Lower Controls.
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Page 5: Chapter 1. Introduction
The aerial platform has built-in safety features Additional copies of this manual may be ordered and has been factory tested for compliance with from Snorkel. Supply the model and manual part Snorkel specifications and industry standards. number from the front cover to assure that the However, any personnel lifting aerial platform can correct manual will be supplied. -
Page 6: Maintenance
A reprint of the “Manual of Responsibilities for Dealers, Owners, Users, Operators, Lessors and Lessees of ANSI/SIA A92.6-1990 Self-Propelled Elevating Work Platforms” is available from Snorkel dealers or from the factory upon request. Copies are also available from: Scaffold Industry Association 20335 Ventura Blvd. -
Page 7: Chapter 2. Specifications
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 2. Specifications Component Identification Platform Extension 90 in Upper Controls 228.6 cm Guardrails Toeboards Platform 78.5 in 199.4 cm Scissors Structure 36 in 91.4 cm Chassis Front (Steer) Rear... -
Page 8: General Specifications
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 2. Specifications General Specifications Guardrail height Maximum platform height ... 20¢ (6.1 m) Platform ....41² (104.1 cm) Working height . -
Page 9: Chapter 3. Safety
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 3. Safety Knowledge of the information in this manual, and DANGER proper training, provide a basis for safely The aerial platform is not electrically operating the aerial platform. Know the location of insulated. -
Page 10: Prestart Inspection
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 3. Safety Prestart Inspection DANGER Perform a prestart inspection before each shift as Pinch points may exist between moving described in Chapter 8. Do not use the aerial components. -
Page 11: Tip-Over And Falling Hazards
DANGER or similar equipment unless the application is approved in writing by Snorkel. Hydraulic fluid escaping under pressure can have enough force to inject fluid into the Do not use the aerial platform as a crane, hoist, flesh. - Page 12 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 3. Safety Right Side Front page 3 - 4 SL 20 – 300206...
- Page 13 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 3. Safety Top of Control Panel in Hydraulic Tray (Both Sides) Left Side (EE Machines Only) SL 20 – 300206 page 3 - 5...
- Page 14 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 3. Safety 2nd Inner Arm Top Top of Chassis Rear of Chassis (Brake Cover Removed) page 3 - 6 SL 20 – 300206...
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Page 15: Chapter 4. Safety Devices
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 4. Safety Devices This aerial 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 Horn Button... -
Page 16: Pothole Protector Skids
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 4. Safety Devices Pothole Protector Skids Drive/Lift Level Sensor Interlock The pothole protector skids automatically lower The aerial platform drive and lift functions are interlocked through a level sensor system. The when the platform is elevated approximately 12²... -
Page 17: Emergency Lowering Handle
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 4. Safety Devices Emergency Lowering Handle DANGER The emergency lowering handle may be used to Pinch points exist on the scissors structure. manually lower the platform if there is a Death or serious injury can result if the malfunction in the hydraulic or electrical system. -
Page 18: Flashing Light
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 4. Safety Devices Flashing Light Horn An optional flashing light may be located at the The optional horn (refer to Figure 4.2) may be front of the aerial platform (refer to Figure 4.7). used to warn personnel on the ground. -
Page 19: Chapter 5. Gauges
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 5. Gauges Battery Condition Indicator The aerial platform is equipped with an ammeter, an hour meter and may have an optional battery The optional battery condition indicator (refer to condition indicator. -
Page 20: Chapter 6. Batteries
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 6. Batteries The battery tray contains 4, 220 or 240 amp, 6 CAUTION volt batteries. The batteries supply 24 volt DC The batteries can be overcharged and/or electrical power to operate the aerial platform damaged if the charger fails to shut off electrical and electrohydraulic components. - Page 21 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 6. Batteries NOTE If the batteries are fully charged when the charger is plugged in, the ammeter will initially read 15 to 20 amps then quickly read zero. 4.
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Page 22: Chapter 7. Controls
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 7. Controls Aerial platform functions may be operated with Emergency Stop Switch controls at the lower control station or the upper The emergency stop is a two-position toggle control station. -
Page 23: Upper Controls
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 7. Controls Lower the platform to the stowed position when Drive/Lift Selector Switch the warning light is on and the alarm is activated. Place the drive/lift selector switch in the drive Drive to a battery recharging area and fully position to drive the aerial platform using the recharge the battery pack before returning the... -
Page 24: Low Voltage Warning Light
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 7. Controls Low Voltage Warning Light When the voltage of the battery pack falls to a preset level too low for proper machine operation the following happens. The low voltage warning light turns on An alarm sounds The platform will not raise... -
Page 25: Chapter 8. Prestart Inspection
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Potential service and safety problems may be DANGER detected by inspecting the aerial platform every The potential for an accident increases when day. - Page 26 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Operator’s Manual Caps Make certain the manual holder (refer to Figure 8.2) is securely fastened to the platform. Terminals Figure 8.3—Batteries Replace the caps on the batteries. The caps must be in place and tight during machine operation and battery charging.
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Page 27: Hydraulic System
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Cables and Wiring Harness Inspect all cables and wiring for wear and/or physical damage such as loose connections, broken wires, and frayed insulation. Check the wiring in areas where a change in routing direction may cause them to become pinched (refer to Figure 8.5). -
Page 28: Free-Wheeling Valve
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Free-Wheeling Valve Unlatch and swing out the hydraulic tray. The Ground Strap free-wheeling valve is located on the hydraulic manifold (refer to Figure 8.8). Check the free-wheeling valve to make sure it is fully closed (clockwise). -
Page 29: Emergency Stop
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Emergency Stop Push the red emergency stop safety guard down to turn off the electrical power. The lower control functions should not operate with the emergency stop in this position. -
Page 30: Level Sensor Interlock
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Level Sensor Interlock Perform this test after verifying proper operation Emergency of the pothole protector interlock. Lowering Handle 1. Position the aerial platform on a smooth, flat, level surface. -
Page 31: Flashing Light
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Rollers and Slide Blocks Flashing Light Visually inspect the scissors arm rollers and slide If the machine is equipped with the optional blocks (refer to Figure 8.18). -
Page 32: Upper Control Station
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Upper Control Station Inspect the platform and upper controls only if all functions operated properly from the lower controls. Latch Guardrail System The guardrail system (refer to Figure 8.20) includes the top rail, mid rail, toeboards and a safety chain or optional swinging gate. -
Page 33: Emergency Stop
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection Place the drive/lift selector switch in the lift position and test the operation of the joystick in both directions. The drive functions should not operate with the selector in the lift position. -
Page 34: Placards And Decals
Replace any missing or illegible placards or decals before operating the aerial platform. No Part No Description Placard and decal kits are available from Snorkel 467376 EE logo yellow (EE machines) dealers. 486006 Factory mutual (EE machines) Figure 8.26 provides the item number, Snorkel... - Page 35 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 8. Prestart Inspection (Inside Platform) 32 24 Front Right Side (Inside Platform) 15 (Inside Tray) Rear of Base Frame Left Side (Brake Cover Removed) (Inside Control Panel) Top of Second Inner Arm Safety Prop...
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Page 36: Chapter 9. Operation
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 9. Operation The aerial platform may be operated from either 3. Lift the emergency stop guard and push the the lower or upper controls. toggle switch up. 4. -
Page 37: Driving
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 9. Operation To move forward, slowly push the joystick Battery Low Voltage forward until the desired speed is reached. Condition Warning Light The aerial platform may travel at three Indicator Horn different speeds depending on how far... -
Page 38: Platform
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 9. Operation To turn to the left, tap lightly on the left side Extending of the steer switch. The platform can be extended and securely locked into four different positions. -
Page 39: Swing-Out Trays
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 9. Operation This system operates automatically to stop and hold the aerial platform when the drive controls are released or power is interrupted. Manually disengage the brakes before towing or winching the aerial platform as described under Towing in Chapter 11—Emergency Operation. -
Page 40: Chapter 10. Stowing And Transporting
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 10. Stowing and Transporting To prevent unauthorized use and damage, 1. Locate the transport vehicle so the aerial properly stow the aerial platform at the end of platform will not roll forward after it is loaded. -
Page 41: Driving
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 10. Stowing and Transporting 4. Use a spreader bar of sufficient length to keep the chains or straps from contacting the upper structure of the aerial platform. 5. -
Page 42: Securing For Transport
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 10. Stowing and Transporting Securing for Transport Use the following procedure to secure the aerial platform on the transport vehicle. 1. Properly stow the aerial platform. 2. -
Page 43: Chapter 11. Emergency Operation
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 11. Emergency Operation If the aerial platform cannot be operated due to a and the one on the left brake cylinder clockwise. loss of hydraulic power, such as motor or pump Remove the wrench. -
Page 44: Chapter 12. Troubleshooting
View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 12. Troubleshooting The chart below lists 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. - Page 45 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Chapter 12. Troubleshooting Symptom Possible Cause Corrective Action Only slow drive Platform elevated above six feet. Lower platform to drive machine at mid speed works. and high speed. Machine will not steer.
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Page 46: Appendix A. Glossary
Although federal OSHA, ANSI, and pressure of an aerial platform based on the gross Snorkel do not require the use of fall restraint on vehicle weight and the rated work load. This scissors lift aerial platforms, local, state, or value may be of concern when the aerial platform employer rules may require their use. - Page 47 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Glossary scissors structure—the mechanisms used to position the platform relative to the aerial platform chassis. stow—to place a component, such as the platform, in its rest position. unrestricted rated work load—the maximum designed carrying capacity of the aerial platform allowed by the manufacturer in all operating...
- Page 48 View thousands of Crane Specifications on FreeCraneSpecs.com View thousands of Crane Specifications on FreeCraneSpecs.com Index emergency stop, 7-1, 8-9 button, 7-2 AC generator, 1-1 controls, 4-1 aerial platform drive and speed, 7-2 switch, 7-1, 8-5 aerial platform stability, 8-4 entering or exiting the platform, 3-2 aerial platform steering, 7-2 American National Standards Institute (ANSI), fasteners, 8-7...
- Page 49 1-1 parking brakes, 8-4 transporting work platform, 10-1 placards and decals, 3-3, 8-10 turning radius, 2-2 cleaning, 3-3 Snorkel part number, 8-10 platform, 9-3 upper control station, 8-8 raising and lowering, 9-3 upper controls, 4-1, 7-2, 9-1 platform capacity, 3-3...
- Page 50 Dealer rental fleet, whichever comes first. Any part or parts which, upon examination by the Snorkel Service Department, are found to be defective, will be replaced or repaired, at the sole discretion of Snorkel, through its local Authorized Dealer at no charge.