background image

93808 – October 2014

Page 27

6092RT

Machine Inspections and Maintenance 

Pre-Start Inspection Checklist

The operator must conduct a thorough Pre-Start Inspection of the machine before each work shift.

General Inspection Checklist

 Initial 

  Description

BBBBBBB

Check that the operator’s, safety, and responsibilities manuals are in the storage container located on the platform.

BBBBBBB

Perform a visual inspection of all machine components. Look for missing parts, torn or loose hoses, hydraulic fluid 
leaks, torn or disconnected wires, damaged tires etc. 

BBBBBBB

Check all structural components of the machine for cracked welds, corrosion and collision damage.

BBBBBBB

Check the security and condition of the lanyard attachment points.

BBBBBBB

Check all hoses and the cables for worn or chafed areas. 

BBBBBBB

Check the platform rails and sliding mid-rail entry for damage or modification.

BBBBBBB

Check that all warning and instructional decals are legible and secure.

BBBBBBB

Check the tires for damage. 

BBBBBBB

Check the lower limit switch for visual damage or loose or missing hardware.

BBBBBBB

All structural components, pins and fasteners are present and properly tightened.

Fluid Level Checklist

BBBBBBB

Check for fluid leaks.

BBBBBBB

Hydraulic fluid level (check with platform fully lowered).

Secure for operation

BBBBBBB

Secure all covers and panels.

Summary of Contents for 6092RT

Page 1: ... Starting Engine from Upper Control Box 16 Base Controls Operation and Test 17 Platform Control Operation and Test 18 Joystick Operation 19 Outrigger Operation 21 Shutdown Procedure 21 Emergency Systems 22 Emergency Lowering 22 Deck Extension 23 Fold Down Platform Railings 24 Machine Inspections and Maintenance 26 Pre Start Inspection Checklist 27 Monthly Inspection Checklist 28 Quarterly Inspecti...

Page 2: ...s Approximate 72 sec 102 sec Gradeability 40 22 Ground Pressure Wheel Maximum 80 4 psi 5 65 kg cm2 Wheel Load 6900 lb 3130 kg Wind Speed Maximum 28 mph 45 km h 12 5 m s Noise Level Maximum 86 dB Tire Size Standard 315 55 D20 foam filled Wheel Lug Nut Torque 120 ft lb 162 7 Nm Hydraulic Pressure Drive System 4500 psi 310 bar Lift System 2800 psi 193 bar Steering System 2800 psi 193 bar Hydraulic Fl...

Page 3: ...from the original design and specifications without written permission fromMECarestrictlyforbidden Amodificationmaycompromisethesafetyofthemachine subjecting operator s to serious injury or death Your MEC Aerial Work Platform has been designed built and tested to provide safe dependable service Only authorized trained and qualified personnel should be allowed to operate or service the machine MEC ...

Page 4: ...ad work locations The owner user operator of the machine should not accept responsibility for the operation of the machine unless properly trained Never perform service on the machine with the platform elevated without first blocking the scissor assembly using the maintenance lock see Maintenance Lock on page 32 Safety Alert Symbols MEC manuals and decals use symbols and colors to help you recogni...

Page 5: ...b site use personal fall protection equipment PFPE when operating this machine All PFPE must comply with applicable governmental regulations and must be inspected and used in accordance with the PFPE manufacturer s instructions Fall restraint must be properly attached to a designated anchorage point when driving or operating the machine Attach only one fall restraint to each anchorage point Art_28...

Page 6: ...d all applicable governmental regulations for the minimum safe distances from energized power lines and electrical equipment DO NOT touch the machine if it contacts energized power lines Personnel in the platform Move away from the platform rails DO NOT attempt to operate the machine and DO NOT touch any part of the machine until energized power lines are shut off Personnel on the ground DO NOT ap...

Page 7: ...3 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 indicates no proximity requirements Light shading indicates spotter is required Heavy shading indicates the NO GO ZONE a Affected area Min volts Min volts Max volts Higher voltage Lower voltage b Avoid simultaneous conta...

Page 8: ... elevated carefully lower and discontinue operation DO NOT increase the surface area of the platform i e cover the rails with tarp or plywood Increased surface area exposed to the wind will decrease machine stability DO NOT attach overhanging loads or use the machine as a crane DO NOT transport tools and materials unless they are evenly distributed and can be safely handled by personnel in the pla...

Page 9: ...garding the use of personal protective equipment Collision Hazards Be aware of blind spots while operating this machine Watch for overhead obstructions when elevating the platform Watch for crushing hazards when holding the platform rail Reduce travel speed when moving the machine on slopes when near personnel and obstacles or when surface conditions are wet slippery or otherwise limiting DO NOT o...

Page 10: ...atform 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 under pressure can penetrate and or burn skin All compartments must remain closed and secure during machine operation Improper contact with components under any cover will cause serious injury Only trained maintenance personn...

Page 11: ...ations Component Locations Full Machine ART_3019 Deck Extension Controls Module Fuel Hydraulic Fluid Module Platform Controls Deck Extension Release Handle Main Platform Deck Beams Lift Cylinders Chassis Engine Compartment Outrigger Base Controls ...

Page 12: ...92RT Component Locations Modules ART_3026 Entry ladders not shown for clarity Hydraulic Tank Sight Gauge Sight Gauge Fuel Tank Hydraulic Valve Blocks Battery Base Controls Fuel Fluid Module Control Module Battery Disconnect inside ...

Page 13: ...n power ON or OFF at the platform Does not affect lower controls 6 Overload Indicator Platform overloaded when light is ON An audible alarm will sound and all machine functions will stop Remove weight from the platform to restore function and continue 7 Speed Torque Switch HIGH TORQUE Slow speed Provides maximum torque for rough terrain HIGH SPEED Provides high speed when platform height is below ...

Page 14: ...tform Release to stop elevation 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 Engine Start Button After setting the Selector Switch 1 to BASE press this button to start the engine 7 Start Delay Indicator Light After 20 seconds of continuous cranking the engine starter circuit cuts off momentarily...

Page 15: ...nductors hazardous locations and atmospheres inadequate surface and support to withstand all load forces imposed by the machine wind and weather conditions the presence of unauthorized personnel other possible unsafe conditions Function Tests DO NOT operate this machine until you have read and understood the Safety section of this manual have performed the Pre Start Inspection Routine Maintenance ...

Page 16: ...ated by trained and authorized personnel only If multiple operators use this machine all must be qualified and authorized to use it New operators must perform a Pre Start Inspection and Functions Test prior to 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 Prestart Perform Pr...

Page 17: ...ess and hold the START button release the button when the engine starts Cold Start press and hold the GLOW button as indicated in the Preheat table With the GLOW Button held press and hold the START Button until the engine starts Release both buttons once the engine starts ART_2404 R1 ART_3035 ART_3212 Preheat Table Ambient Temperature Preheat Time Above 50 F 10 C 5 Seconds 50 F to 23 F 10 C to 5 ...

Page 18: ... release when the engine starts Cold Start lift and hold the GLOW Switch as indicated in the Preheat table With the GLOW Switch held turn the START Switch until the engine starts Release both switches once the engine starts ART_2406 R1 ART_3188 R1 Preheat Table Ambient Temperature Preheat Time Above 50 F 10 C 5 Seconds 50 F to 23 F 10 C to 5 C 10 Seconds Below 50 F 5 C 20 Seconds 20 Seconds Limit ...

Page 19: ... a firm level surface Elevate Platform Press and hold the RAISE button on the base control panel to elevate the platform Test Operation Elevate to maximum height Note Platform will not elevate beyond 30 ft 9 15 m without the outriggers deployed Releasing the button will stop elevation Pressing the Emergency Stop Switch will stop elevation Lower Platform Press the LOWER button on the base control p...

Page 20: ...press the Horn Button to verify proper operation Overload Light and Alarm Light ON indicates too much weight on the platform An audible alarm will sound from the Upper Control box and the Lower Control box Remove weight from the platform to restore function and continue Emergency Stop Press the EMERGENCY STOP switch at any time to stop all machine functions Turn switch clockwise to reset Activatio...

Page 21: ...loyed Releasing the Enable Bar or the Joystick will stop elevation Pressing the Emergency Stop Switch will stop elevation Lower Platform Place the Mode Select Switch in the LIFT position Squeeze the Enable Bar and move the Joystick away from you Test Operation Rate of descent is fixed platform lowers at same rate regardless of handle position Pressing the Emergency Stop Switch will stop descent Wh...

Page 22: ...se to drive up or down a slope that is too steep for normal speed Drive Forward Place the Mode Select Switch in the DRIVE position Squeeze the Enable Bar and move the Joystick away from you Test Operation Drive speed is proportional and is dependent on the movement of the Joystick Releasing the Enable Bar or returning the Joystick to the center position will stop drive Pressing the Emergency Stop ...

Page 23: ...ting thatoutriggersaredown and machine drive function is disabled Retract Push up and hold the Outrigger Control Switch to the RETRACT position The outriggers will retract TheDriveEnableIndicatorwill turn ON indicating thattheoutriggersareup and machine drive function is enabled Manual Operation Of Outriggers Manual operation of individual outriggers is possible using the Manual Level Switches Shu...

Page 24: ...cedure to safely lower the platform Do not attempt to climb down beam scissors assembly Emergency Lowering The Emergency Lowering System is used to lower the platform in case of power or valve failure To lower the platform activate the Emergency Lowering Switch to run the Emergency Down auxiliary hydraulic pump The Emergency Lowering Switch is located on the base controls ART_3024 R1 15 ...

Page 25: ... The handle is used to push or pull the deck extension to the desired position To extend or retract the deck Lift the handle to raise the spring loaded pin from the locked position Push to extend or pull to retract the deck extension Lower the handle enough for the spring loaded pin to engage and continue to push or pull the deck extension until the pin locks into position Do not stand on the deck...

Page 26: ...ure the front and rear deck extension rail panels together Lift the bracket con necting the tops of the deck extension rail panels Swing the deck extension rail panels in ward next to the deck extension side rails and secure with a safety snap pin Remove the safety snap pins from the deck extension side rail bases Lift the deck extension side rails pivot and place on the platform floor ...

Page 27: ... their upright position install all safety snap pins and position the platform control box on the extension rail 4 5 Remove the safety snap pins from remain deck rail panels Lift the rails pivot and place on top of the deck extension rails Remove the safety snap pins from main deck rail panels that attach to the entry gates Lift the rails pivot and place on top of the deck extension rails ...

Page 28: ...ions Always use the maintenance lock to block the scissor assembly in place before servicing the machine with the platform elevated Hydraulic fluid under pressure can penetrate and burn skin damage eyes and may cause serious injury blindness and death Repair leaks immediately Fluid leaks under pressure may not always be visible Check for pin hole leaks with a piece of cardboard not your hand Perfo...

Page 29: ...tural components of the machine for cracked welds corrosion and collision damage BBBBBBB Check the security and condition of the lanyard attachment points BBBBBBB Check all hoses and the cables for worn or chafed areas BBBBBBB Check the platform rails and sliding mid rail entry for damage or modification BBBBBBB Check that all warning and instructional decals are legible and secure BBBBBBB Check t...

Page 30: ...tart Inspection BBBBBB Inspect the condition of hydraulic fluid in the reservoir Oil should have a clear amber color BBBBBB Check battery electrolyte level and connections BBBBBB Check wheel lug nuts for proper torque see Machine Specifications BBBBBB Check if tires are leaning in or out BBBBBB Inspect all beams and pivot points for signs of wear and or damage BBBBBB Check the pin joints and retai...

Page 31: ... Perform all checks listed on Prestart Monthly Inspection BBBBBBB Check the operation speeds to ensure they are within specified limits see Specifications BBBBBBB Check the emergency lowering system BBBBBBB Clean and lubricate all push button switches with dry lubricant and ensure that the switches operate freely in all positions BBBBBBB Check the tightness of the platform frame and the linkage pi...

Page 32: ...form Bolts Tight Platform Structure Platform Overload System Functional Calibrated Wire Harnesses Mounted Correctly PhysicalAppearance 110 220V Outlet Safe Working Elevating Assembly Beam Structures Welds Retaining Rings Upper Cylinder Pins Secure Lower Cylinder Pins Secure Lower Beam Mounts tight Rollers Turn Freely Maintenance Locks Secure Operational Base Cover Panels Secure Base Fasteners Tigh...

Page 33: ...netrate and burn skin damage eyes and may cause serious injury blindness and death Repair leaks immediately Fluid leaks under pressure may not always be visible Check for pin hole leaks with a piece of cardboard not your hand Perform scheduled maintenance at recommended intervals Failure to perform scheduled maintenance at recommended intervalsmay resultina defective or malfunctioning machine and ...

Page 34: ...ne and must be done in accordance with the procedures outlined in the service manual Scheduled maintenance inspection checklists are included in this manual for use by qualified service technicians Machines that have been out of service for more than three months must receive the quarterly inspection before returning to service Maintenance Lock Never perform service on the machine with the platfor...

Page 35: ...e yearly or every 1000 hours whichever occurs first 2 Hydraulic Filter Filter Element located inside Hydraulic Reservoir Scheduled Maintenance Normal Conditions Change every six months or 500 hours whichever occurs first Severe Conditions Change every three months or 300 hours whichever occurs first 3 Hubs SAE 90 Multipurpose Hypoid Gear Oil API Service Classification GL5 Scheduled Maintenance Che...

Page 36: ...ART_3025r1 Entry ladder not shown for clarity Fuel Fluid Module 2 9 15 16 20 14 22 29 23 25 26 6 10 10 27 31 24 33 1 6 5 7 8 34 17 3 28 Maintenance Lock 2 places 18 32 front and rear of each module 11 13 12 14 19 Inside Module Outside of chassis rail 2 EACH SIDE 24 33 30 30 each side of each extension ...

Page 37: ... 2 Places 91856 Ensure that the hydraulic tank shutoff valve is open before starting the engine CAUTION 14 91975 16 HYDRAULIC OIL 6873 6873 15 90730 8 90717 2 Places 9 90732 DO NOT POWERWASH OR SPRAY ELECTRONIC COMPONENTS OR CONNECTORS MOISTURE MAY CAUSE DAMAGE AND OR ERRATIC OPERATION WARNING 90732 13 NOTE Decals may vary in accordance with local requirements 90721 26 25 27 92416 6 2 places 8911 ...

Page 38: ... be evenly distributed on the platform at any elevation MAX ALLOWABLE MANUAL FORCE The maximum safe force that the occupant can exert laterally on an object outside the platform MAX PLATFORM HEIGHT The maximum attainable height measured from level ground surface to platform floor MAX DRIVE HEIGHT The maximum safe platform height at which the machine can be driven MAX LOAD PER WHEEL The maximum saf...

Page 39: ...anic Machine functions will not operate Battery properly connected Battery fully charged Function toggle switch or the Enable Switch not activated Selector Key Switch in proper position Both Emergency Stop Switches reset Hydraulic fluid level low Obvious fluid leak or damaged component Wires disconnected broken or loose Motor control processor Diagnostic LED OFF LED should be ON If not N or FLASHI...

Page 40: ... machine seetheserial number plate for machine weight Loading Free wheel configuration for Winching 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 will roll freely on slopes The machine can be winched or towed short distances at speeds not to exceed ...

Page 41: ...emove 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 and reset the Platform Emergency Stop Switch Test platform control functions Carefully drive the machine off the transport vehicle with the winch attached Note The brakes are automatically released for driving and will...

Page 42: ... 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 Transport Lock the deck extension in the retracted position Turn the key Selector Key Switch to OFF and remove the key before transport Turn the Battery Disconnect Switch to OFF before transport Inspect the entire machine for ...

Page 43: ...d 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 Platform Sales Corp to be defective in material and or workmanship MEC Aerial Platform Sales Corp shall not be liable for any consequential incidental or contingent damages whatsoever Use of other than f...

Page 44: ...MEC Aerial Platform Sales Corp 1401 South Madera Avenua Kerman CA 93630 USA Ph 1 877 632 5438 559 842 1500 Fax 559 842 1520 www mecAWP com 93808 October 2014 ...

Reviews: