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Page 23

84RT Seres Speed Level™ - Operator’s Manual

July 2021

Emergency Systems

If the control system fails while the platform is elevated, have an 
experienced operator use the emergency lowering procedure to safely 
lower the platform�����

Do not attempt to climb down elevating assembly�����

Emergency Stop

The machine is equipped with an EMERGENCY STOP switch on both control panels.

Press the EMERGENCY STOP switch at any time to stop all machine functions.
Turn switch clockwise to reset.

Selector Switch set to PLATFORM

Either switch will stop all machine functions.
Both switches must be reset or machine will not operate.

Selector Switch is set to BASE

The upper controls are locked out.
The lower switch must be reset or the machine will not operate.
The machine will operate from the lower controls if the upper controls switch is tripped.

Emergency Lowering

The Emergency Lowering System is used to lower the platform in case of power or valve failure. The 
Emergency Lowering switch will function if the EMERGENCY STOP switch is tripped.

To lower the platform, perform the following steps:

Push and hold the toggle switch down to lower the platform.
Once the platform is fully lowered, release the toggle switch.






Secton 8 - Emergency Systems

Emergency Systems

Содержание 2684RT

Страница 1: ...Part 91857 July 2021 2684RT Serial Number Range 12800000 Up 3084RT Serial Number Range 11800000 Up Operator s Manual 84RT Series Speed Level...

Страница 2: ...ly 2021 Revision History Date Reason for Update July 2021 Updated To ANSI A92 20 2020 1401 S Madera Avenue Kerman CA 93630 USA Toll Free 1 877 632 5438 Phone 1 559 842 1500 Fax 1 559 842 1520 info MEC...

Страница 3: ...Inspection 11 Section 6 Functions Test Operating Instructions 12 Functions Test 12 Operating Instructions 13 Section 7 Deck Extension 22 Deck Extension 22 Section 8 Emergency Systems 23 Emergency Syst...

Страница 4: ...Level Operator s Manual July 2021 Section 13 Decals 41 Decals 41 Section 14 Troubleshooting 44 Troubleshooting 44 Serial Plate Location 45 Section 15 Transport and Lifting Instructions 46 Transport a...

Страница 5: ...the operator of the aerial work platform is not alone at the workplace during operation Modifications of this machine from the original design and specifications without written permission from MEC a...

Страница 6: ...eir necessary tools and materials at overhead work locations The owner user operator of the machine should not accept responsibility for the operation of the machine unless properly trained ANSI and o...

Страница 7: ...result in minor or moderate injury YELLOW without alert symbol and the word CAUTION Indicates a potentially hazardous situation which if not avoided may result in property damage GREEN and the word NO...

Страница 8: ...al Speed Platform Elevated 0 0 5 mph 0 0 8 km h Speed Platform Lowered 0 3 2 mph 0 5 km h Lift Lower Speeds Approximate 35 sec 40 sec Gradeability 40 22 Ground Pressure Wheel Maximum 90 psi 6 3 kg cm2...

Страница 9: ...nd all applicable governmental regulations for the minimum safe distances from energized power lines and electrical equipment Voltage Minimum Safe Approach Distance Phase to Phase Feet Meters 0 to 300...

Страница 10: ...nes greater than 133 kV No go zone Spotter required zone Sway 10 10 8 8 FRONT VIEW SIDE VIEW Sag Variations in sag Sag Sag LEGEND CLEARANCES FROM LIVE AERIAL CONDUCTORS No shading in the front views i...

Страница 11: ...de energizing and grounding If there is a question that the power lines may carry more than 50kV consult a qualified person with respect to electrical transmission and distribution before proceeding I...

Страница 12: ...ard any object outside the platform Maximum Allowable Side Force ANSI and CSA CE and AUS 250 lbs 1100 N 90 lbs 400 N DO NOT elevate the platform when wind speeds are in excess of 28 m p h 12 5 m s If...

Страница 13: ...achine Operators must comply with employer job site and governmental rules regarding the use of personal protective equipment Collision Hazards ART_3072 ART_3062 ART_3066 Be aware of blind spots while...

Страница 14: ...ainer located in the platform All manuals must be complete undamaged and readable Bodily Injury Hazards DO NOT operate the machine when there is a hydraulic fluid or air leak Hydraulic fluid or air un...

Страница 15: ...ards while operating the machine Operators must comply with employer job site and governmental rules regarding the use of personal protective equipment see Fall Protection on page 3 Workplace Inspecti...

Страница 16: ...achine before each work shift to check that all machine systems are working properly Test the machine on a firm level surface with no debris drop offs potholes or overhead obstructions Perform each te...

Страница 17: ...t be qualified and authorized to use it New operators must perform a Pre Start Inspection see page 29 and Functions Test prior to operating the machine Operators must comply with employer job site and...

Страница 18: ...ting attempts Failure to start after multiple attempts indicates possibility of another problem Diesel Engine ART_3233 ART_3232 Press and hold the START button release the button when the engine start...

Страница 19: ...re to start after multiple attempts indicates possibility of another problem Diesel Engine ART_2406 R1 Upper Control Box Turn the Engine Start Switch to START release when the engine starts ART_3230 C...

Страница 20: ...all machine functions Turn switch clockwise to reset Do not elevate the platform if the machine is not on a firm level surface ART_3237 Elevate Platform Press and hold the RAISE button on the base co...

Страница 21: ...the entry Turn the Engine Start Switch to start the engine ART_2361 R1 If equipped press the Horn Button to verify proper operation ART_3215 Overload Light and Alarm Light ON indicates too much weigh...

Страница 22: ...ly Serious injury may result see Emergency Systems on page 23 ART_3226 Elevate Platform Place the MODE SELECT switch in the LIFT position Squeeze the enable bar and move the joystick toward you Test O...

Страница 23: ...lows speeds up to 3 m p h 4 8 km h MID RANGE allows speeds up to 0 4 m p h 0 6 km h HIGH TORQUE use to drive up or down a slope that is too steep for normal speed ART_3227 Drive Forward Place the MODE...

Страница 24: ...g Hold the toggle switch DOWN until leveling operation is complete When the platform reaches the level position the tilt alarm with stop and the machine will stop correcting ART_3239 Manual Level Fron...

Страница 25: ...Test Operating Instructions ART_2387 Turn the battery disconnect switch to the OFF position Note Leaving the battery disconnect switch in the ON position for an extended time will drain the battery P...

Страница 26: ...the desired position To extend or retract the deck Lift the handle to release the spring loaded pin from the locked position Push to extend or pull to retract the deck extension Lower the handle enoug...

Страница 27: ...ch will stop all machine functions Both switches must be reset or machine will not operate Selector Switch is set to BASE The upper controls are locked out The lower switch must be reset or the machin...

Страница 28: ...age 24 84RT Series Speed Level Operator s Manual July 2021 Section 8 Emergency Systems ART_4294 91843 Emergency Stop Switch Upper Controls Lower Controls Emergency Lowering Switch Emergency Stop Switc...

Страница 29: ...se Lower Left Side Rail Remove the 3 snap pins from the base the guardrail with the loading gate Lower the guardrail and loading gate to the platform floor Return the snap pins to their places ART_314...

Страница 30: ...r the left side end rail Lift and lower the right side end rail 4 Lift Lower The Entry Rails Remove the corner caps that connect the rear side rails to the entry rails Lift and lower the gate side ent...

Страница 31: ...qualified service technicians may perform repairs to the machine After repairs are completed the operator must perform a Pre Start Inspection before proceeding to the Functions Test Never perform ser...

Страница 32: ...sor any Defect or malfunction Any defect shall be repaired prior to continued use of the aerial work platform Inspection and maintenance should be performed by qualified personnel familiar with the eq...

Страница 33: ...ructural components of the machine for cracked welds corrosion and collision damage Check all hoses and the cables for worn or chafed areas Check the platform rails and sliding mid rail entry for dama...

Страница 34: ...ndition of hydraulic fluid in the reservoir Oil should have a clear amber color Check battery electrolyte level and connections Check wheel lug nuts for proper torque see Specifications Check if tires...

Страница 35: ...Serial Number Perform all checks listed on Prestart Monthly Inspection Check the operation speeds to ensure they are within specified limits see Specifications Check the emergency lowering system Cle...

Страница 36: ...rs Leaks Pothole Bars Extending Platform Lug Nuts Torqued Properly Operate Smoothly Slides Freely Steering Cylinder Pins Secure Lock In Place Latches In Stowed Position Pivot Points Lubed Limit Switch...

Страница 37: ...ore proceeding to the Functions Test Never perform service on the machine with the platform elevated without first blocking the elevating assembly see Maintenance Safety on page 35 Never leave hydraul...

Страница 38: ...ction 11 Maintenance Immediately report to your supervisor any Defect or malfunction Any defect shall be repaired prior to continued use of the aerial work platform Inspection and maintenance should b...

Страница 39: ...y a qualified service technician trained and authorized to perform maintenance on this machine and must be done in accordance with the procedures outlined in the service manual Scheduled maintenance i...

Страница 40: ...hange yearly or every 1000 hours whichever occurs first 2 Hydraulic Filter Filter Element Scheduled Maintenance Normal Conditions Change every six months or 500 hours whichever occurs first Severe Con...

Страница 41: ...t Wheel Lift Cylinder Upper Controls Pivot Gear Tilt Cylinder Front to Rear Upper Boom Control Module Lower Controls Propane Tank Dual Fuel Models Platform and Rails Lower Boom Power Module Tilt Cylin...

Страница 42: ...rm Terminal Block Module GP400 Module 12 Volt DC Battery Emergency Lowering Switch Lower Controls Hydraulic Reservoir Overflow Reservoir Radiator Fuel Reservoir Hydraulic Fluid Filter Engine Air Intak...

Страница 43: ...to start engine Switch will return to RUN position for normal operation Turn to OFF to shut engine down 6 Overload Indicator Light ON and audible alarm indicates platform overloaded 7 Speed Torque Swi...

Страница 44: ...ing 4 EMERGENCY STOP Switch Press to stop all machine functions Turn clockwise to reset 5 Hour Meter Indicates total elapsed time of machine operation 6 Start Button Press to start engine Release when...

Страница 45: ...Page 41 84RT Series Speed Level Operator s Manual July 2021 Decals RIGHT LEFT FRONT REAR 1 1 4 5 5 5 5 10 10 10 10 11 13 15 16 17 21 30 31 31 3 19 32 32 32 32 20 Section 13 Decals Decals...

Страница 46: ...or s Manual July 2021 Section 13 Decals 2 2 2 2 3 6 7 8 9 12 14 18 19 20 33 22 20 2684RT PLATFORM HAS QTY OF 10 FOR 91970 3084RT PLATFORM HAS QTY OF 8 FOR 91970 LOCATION SAME FOR BOTH 2684RT AND 3084R...

Страница 47: ...ty 1 7 90732 Qty 1 8 8779 Qty 1 9 6873 Qty 1 10 91973 Qty 4 11 9378 Qty 1 12 92119 Qty 1 13 90719 Qty 1 14 91846 Qty 1 15 91870 Qty 1 16 95591 Qty 1 17 92122 Qty 1 91848 Qty 1 18 92089 Qty 1 19 92228...

Страница 48: ...s will not operate Battery Disconnect Switch ON Battery fully charged Function toggle switch or the enable switch not activated Selector key switch in proper position Both EMERGENCY STOP switches rese...

Страница 49: ...ch can be evenly distributed on the platform at any elevation MAX HYDRAULIC SYSTEM PRESSURE The maximum pressure generated by the machine s hydraulic system MAX GROUND PRESSURE PER WHEEL The amount of...

Страница 50: ...or Towing Prior to manually releasing brakes be sure the wheels are chocked to prevent machine from moving RUNAWAY HAZARD After releasing the brakes there is nothing to stop machine travel Machine wil...

Страница 51: ...hine to a winch Remove all machine tie downs Remove wheel chocks Driving Turn the base key switch to PLATFORM Check that the EMERGENCY STOP switch is reset by turning it clockwise Enter the platform a...

Страница 52: ...of gravity of the machine Attach rigging to the designated lift points only Adjust the rigging to prevent damage to the machine and to keep the machine level Securing to Truck or Trailer for Transpor...

Страница 53: ...Page 49 84RT Series Speed Level Operator s Manual July 2021 Notes...

Страница 54: ...rders MUST have a Purchase Order Number Fed Ex shipments require Fed Ex account number Part Number Description Quantity Price All back ordered parts will be shipped when available via the same ship me...

Страница 55: ...on MEC Aerial Platform Sales Corp s then current flat rate provided the defective part in question is shipped prepaid to MEC Aerial Platform Sales Corp and is found upon inspection by MEC Aerial Plat...

Страница 56: ...1401 S Madera Avenue Kerman CA 93630 USA Toll Free 1 877 632 5438 Phone 1 559 842 1500 Fax 1 559 842 1520 info MECawp com www MECawp com MEC Aerial Work Platforms...

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