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Service & Parts Manual Micro26 ART_5484 This manual applies to AC machines ANSI A92.20-2020 & CSA B354.6-2019. Part # 94225 Serial Number Range 17900100 - Up March 2023...
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March 2023 Revision History Date Reason for Update March 2022 New Release MEC Aerial Work Platforms 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 Page i Micro26 - Service & Parts Manual...
All parts represented here are manufactured and supplied in accordance with MEC quality standards. We recommend that you use genuine MEC parts to ensure proper operation and reliable performance. To obtain maximum benefits from your MEC Aerial Work Platforms, always follow the proper operating and maintenance procedures.
Any procedures not found within this manual must be evaluated by the individual to assure oneself that they are “proper and safe.” Your MEC Aerial Work Platform has been designed, built, and tested to provide many years of safe, dependable service. Only trained, authorized personnel should be allowed to operate or service the machine.
Safety Symbols & General Safety Tips Safety Symbols & General Safety Tips MEC manuals and decals use symbols, colors and signal words to help you recognize important safety, operation and maintenance information. RED and the word DANGER – Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Section 3 - Specifications March 2023 Specifications Specifications Indoor 31 Ft 9.4 m Maximum Working Height* Outdoor 24 Ft 7.3 m Indoor 25 Ft 7.6 m Maximum Platform Height Outdoor 18 Ft 5.5 m Top Guardrail 90.3 in 2.3 m Stowed Height Rails Folded 78.75 in...
Section 4 - Torque Specifications March 2023 Bolt Torque Specification - American Standard Bolt Torque Specification - American Standard Fasteners Use the following values to apply torque unless a specific torque value is called out for the part being used. American Standard Cap Screws SAE Grade Cap Screw...
Section 4 - Torque Specifications March 2023 Bolt Torque Specification - Metric Standard Fasteners Use the following values to apply torque unless a specific torque value is called out for the part being used Metric Cap Screws Metric Grade 10.9 10.9 Cap Screw Size Torque...
Section 4 - Torque Specifications March 2023 Hydraulic Components Torque Table Note:Always lubricate threads with clean hydraulic fluid prior to installation. Use the following values to torque hydraulic components when a specific value is not available. Always check for torque values in the following places before relying on the Hydraulic Components Torque Table.
Section 5 - Maintenance Lock March 2023 Maintenance Lock Maintenance Lock DEATH OR SERIOUS INJURY HAZARD! NEVER perform work or inspection on the machine with the platform elevated without first blocking the scissor assembly with the Maintenance Lock. DO NOT engage the Maintenance Lock unless the platform in empty of tools and material.
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Section 5 - Maintenance Lock March 2023 Keep clear of the scissor linkage when lowering. If a Maintenance Lock requires adjustment to stow it correctly, stop the lowering function. Adjust the maintenance lock while stationary, then return to the lowering function. Stowed Maintenance Locks ART_5147...
Section 6 - Hydraulic, Electrical, and Total Systems March 2023 Hydraulic, Electrical, and Total Systems Hydraulic, Electrical, and Total Systems Hydraulic System HYDRAULIC FLUID UNDER PRESSURE CAN PENETRATE AND BURN SKIN, DAMAGE EYES, AND MAY CAUSE SERIOUS INJURY, BLINDNESS, AND EVEN DEATH. CORRECT LEAKS IMMEDIATELY. HYDRAULIC FLUID LEAKS UNDER PRESSURE MAY NOT ALWAYS BE VISIBLE.
Section 8 - Emergency Systems and Procedures March 2023 Emergency Systems and Procedures Emergency Systems and Procedures IF THE CONTROL SYSTEM FAILS WHILE THE PLATFORM IS ELEVATED, USE THE EMERGENCY LOWERING PROCEDURE TO SAFELY LOWER THE PLATFORM. DO NOT CLIMB DOWN THE ELEVATING ASSEMBLY OR EXIT THE PLATFORM.
MEC machinery. Truck drivers are responsible for loading and securing machines, and should be properly trained and authorized to operate MEC machinery. Drivers are also responsible for selecting the correct and appropriate trailer according to government regulations and company policy. Drivers must ensure that the vehicle and chains are strong enough to hold the weight of the machine (see the serial number plate for machine weight).
Section 9 - Transporting and Lifting Instructions March 2023 Driving or Winching onto or off of a Transport Vehicle Always attach the machine to a winch when loading or unloading from a truck or trailer by driving. Read and understand all safety, control, and operating information found on the machine and in this manual before operating the machine.
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Section 9 - Transporting and Lifting Instructions March 2023 Securing to Truck or Trailer for Transport • Turn the Key Switch to OFF and remove the key before transport. Inspect the entire machine for loose or unsecured items. • • Chock the wheels •...
Section 9 - Transporting and Lifting Instructions March 2023 Lift and Support the Machine DEATH OR SERIOUS PERSONAL INJURY MAY RESULT FROM THE USE OF SUBSTANDARD LIFTING DEVICES AND/OR JACK STANDS. ENSURE THAT ALL LIFTING DEVICES AND JACK STANDS ARE OF ADEQUATE CAPACITY AND IN GOOD WORKING CONDITION BEFORE USE.
Section 10 - Calibration Instructions March 2023 AC Calibrations AC Calibrations ECU Overview ART_5804 Control Description Menu Escape Button Press this button to exit the Menu screen. LED Readout Screen Diagnostic readout and battery charge indicator. Menu Up Button Press this button to go up the Menu items. Menu Down Button Press this button to go down the Menu items.
Section 10 - Calibration Instructions March 2023 ECU Setting and Calibrations ECU Setting and Calibrations To enter the ECU setting interface, pull out the emergency stop buttons on lower and upper controls. Press & hold the “Enter” button on lower controls and turn the key switch to the ground controls.
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Section 10 - Calibration Instructions March 2023 Main Menu Items Value Push to Up 8. Joystick Direction Pull to Up Indoor Mode 9. Enable Indoor/Outdoor Mode Outdoor Mode Dual Cylinder 10. Lowering Cylinder Single Cylinder 11. Test Mode USE WITH CAUTION! 12.
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Section 10 - Calibration Instructions March 2023 Calibration The chart below shows what calibration steps that need to be redone after replacing parts! Replaced Part ZAPI ZAPI Angle Pressure Calibration ECU PCU (Pump) (Drive) Sensor Sensor √ Model Selection √ √...
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Section 10 - Calibration Instructions March 2023 Full-Load Calibration After entering the Load Calibration sequence, the platform will automatically raise and lower 3- times for each segment. Make sure that the machine is positioned in an area where it can be elevated to full height before initiating the calibration sequence.
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Section 10 - Calibration Instructions March 2023 2. Enter the “ECU Settings”. (See page 18) 3. Select “3. Calibration” 4. Select specific height calibration or perform all. See following instructions. OL Descent High Height at which the machine can be lowered when overloaded. Normally, the platform cannot be lowered by controls when overloaded.
Section 11 - Maintenance March 2023 Daily Maintenance Daily Maintenance The following maintenance should be done every daily or 8 hours of operation whichever comes first. 1) Inspect the Manuals and Decals Maintaining the operator’s manual in good condition is essential to safe machine operation. Manuals are included with each machine and should be stored in the container provided in the platform.
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Section 11 - Maintenance March 2023 Note: This check is not required for machines with lithium batteries, sealed batteries, or Maintenance - free batteries. Electrocution hazard. Contact with hot or live circuits may result in death or serious injury. Remove all rings, watches and other jewelry. Bodily injury hazard.
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Section 11 - Maintenance March 2023 Complete information to perform this procedure is available in the appropriate operator’s manual. Refer to the operator’s manual on your machine. 6) Perform 30 Day Service • Tools maybe be required to perform this procedure. •...
Section 11 - Maintenance March 2023 Quarterly Maintenance The following maintenance should be done every quarter or 250 hours of operation, whichever comes first. 1) Inspect the Batteries • Tools maybe be required to perform this procedure. • New parts maybe be required to perform this procedure. Proper battery condition is essential to good machine performance and operational safety.
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Section 11 - Maintenance March 2023 2) Inspect the Electrical Wiring • Tools maybe be required to perform this procedure. Maintaining electrical wiring in good condition is essential to safe operation and good machine performance. Failure to find and replace burnt, chafed, corroded or pinched wires could result in unsafe operating conditions and may cause component damage.
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Section 11 - Maintenance March 2023 1. Check the tire surface and sidewalls for cuts, cracks, punctures and unusual wear. 2. Check each wheel for damage, bends and cracks. 3. Check each bolt for proper torque. Bolt Torque, Dry 92.2 ft-lbs / 125 Nm Bolt Torque, Lubricated 84.8 ft-lbs / 115 Nm 4) Test the Emergency Stop...
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Section 11 - Maintenance March 2023 personnel. An improperly functioning horn will prevent the operator from alerting ground personnel of hazards or unsafe conditions. 1. Turn the key switch to platform control. Pull out the platform and ground red Emergency Stop button to the on position.
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Section 11 - Maintenance March 2023 1. Create start and finish lines by marking two lines on the ground 40 ft / 12.2 m apart. 2. Turn the key switch to platform control. Pull out the platform and ground red Emergency Stop button to the on position.
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Section 11 - Maintenance March 2023 3. Lower the platform to the stowed position. 4. Press the slow speed select button. 5. Choose a point on the machine; i.e., contact patch of a tire, as a visual reference for use when crossing the start and finish lines.
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Section 11 - Maintenance March 2023 Maintaining the module tray latch components in good condition is essential to good performance and service life. Failure to detect worn out latch components may result in module trays opening unexpectedly, creating an unsafe operating condition. 1.
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Section 11 - Maintenance March 2023 the platform after the pothole guards are deployed. Adjust or replace the pothole limit switch. 10. Press the drive function select button. Attempt to steer or drive the machine. • Result: The LED readout screen shows code 18, an alarm sounds, and the machine will not steer or drive.
Section 11 - Maintenance March 2023 Semi-annual Maintenance The following maintenance should be done every 6 months or 500 hours of operation, whichever comes first. 1) Test the Platform Overload System • Tools maybe be required to perform this procedure. •...
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Section 11 - Maintenance March 2023 6. Test all machine functions from the platform controls. • Result: All platform control functions should not operate. 7. Turn the key switch to ground control. 8. Test all machine functions from the ground controls •...
Section 11 - Maintenance March 2023 Annual Maintenance The following maintenance should be done every year or 1,000 hours of operation, whichever 1) Check the Scissor Arm Wear Pads • Tools maybe be required to perform this procedure. • New parts maybe be required to perform this procedure. Maintaining the condition of the scissor arm wear pads is essential to safe machine operation.
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Section 11 - Maintenance March 2023 Beware of hot oil. Contact with hot oil may cause severe burns. The hydraulic tank return filter is mounted on the bracket between the function manifold and the hydraulic power unit. 1. Clean the area around the oil filter. Remove the filter with an oil filter wrench. 2.
Section 11 - Maintenance March 2023 Biennial Maintenance The following maintenance should be done every two years or 2,000 hours of operation, whichever 1) Test or Replace the Hydraulic Oil • Tools maybe be required to perform this procedure. • New parts maybe be required to perform this procedure.
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Section 11 - Maintenance March 2023 Torque Specifications Hydraulic Tank Drain Plug, Dry 10 in-lbs / 4.5 Nm Hydraulic Tank Drain Plug, Lubricated 30 in-lbs / 3.4 Nm 12. Install the hydraulic tank and install and tighten the hydraulic tank retaining fasteners. Torque to specification.
Section 13 - Battery Charger March 2023 Battery Charger Battery Charger ART_5485 1. The LED display shows 50%, 80% and 100% of battery capacity. When battery capacity is less than the LED marker, the display will blink. The display lights up when capacity has reached the marker level.
Section 14 - Fault Codes March 2023 Fault Codes Fault Codes The LED readout screen displays fault codes that provide information about the machine operating status and about malfunctions. The fault codes listed in the following charts describe malfunctions and can aid in troubleshooting the machine by pinpointing the area or component affected.
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Section 14 - Fault Codes March 2023 Code Description Lift Reaction Failure Reason & Solution ECU panel lift buttons failure, ground control operation is Chassis Up or Down Switch prohibited. Disable Chassis Control Solution: Check ECU lift switch. If it faults with platform elevated: The left or right pothole is obstructed.
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Section 14 - Fault Codes March 2023 Code Description Lift Reaction Failure Reason & Solution It is reminded that the battery power is lower than the preset Battery Low Voltage Disables All Motion value, and the machine needs to be charged in time to protect the battery from over- discharge and damage.
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Section 14 - Fault Codes March 2023 Code Fault name Solution Motor wiring problem. X031 VMN HIGH Check for shorts inside motor. Possible motor-controller problem. Contactor points stuck closed. X037 CONTACTOR CLOSED The large wire of contactor is short-circuited to the positive terminal. Possible controller problem.
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Section 14 - Fault Codes March 2023 Code Fault name Solution The motor encoder is broken. X168 SIN/COS D.ERR XX Motor unable to turn. Possible motor controller problem. The motor encoder is broken. X169 ENCODER D.ERR XX Motor unable to turn. Possible motor controller problem.
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Section 14 - Fault Codes March 2023 Code Fault name Solution X197 WRONG SLAVE VER. Flash the correct software. X198 M/S PAR CHK MISM Replace Motor controller. X199 PARAM TRANSFER Wait a few seconds and power on again. Check the battery. X200 VDC OFF SHORTED Check motor controller connections.
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Replace motor controller. Interference problem, check CAN resistance setting, interference level. X248 NO CAN MSG. For other software setting problems, you need to contact MEC Aerial Work Platforms. X249 CHECK UP NEEDED Change the “CHECK UP DONE” parameter to ON.
This Parts sections consists of illustrated parts sections and is designed to provide you, the customer, with illustrations and the list of associated parts needed to properly maintain the MEC self-propelled aerial work platform. When used in conjunction with the Service section in this manual and the Operator’s Manual (provided separately), this manual will assist you in making necessary adjustments...
Section 16 - Chassis March 2023 Power Unit Module 15 17 16 15 ILLUSTRATION No. Micro26 Power Unit Module ART_5867 Page 59 Micro26 - Service & Parts Manual...
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Section 16 - Chassis March 2023 Item Part Number Description Qty. Ground Control And Cover Assembly (Refer To Page 63) Hydraulic Tank Assembly (Refer To Page 61) 50313 Nut NNYL M08-1.25 Flange 46249 Hydraulic Tray Weldment 41068 Handle Hole Ring 53231 Screw PHMS M06-1.00 ×...
Section 16 - Chassis March 2023 Hydraulic Tank Assembly ILLUSTRATION No. Micro26 Hydraulic Tank Assembly ART_5868 Page 61 Micro26 - Service & Parts Manual...
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Section 16 - Chassis March 2023 Item Part Number Description Qty. 41413 41167 Fitting 44002 Washer 41166 Fitting 41082 Breather 41085 Fitting 41412 Tank 46254 Tank 41087 Plug 41824 Filter 44568 Suction Pipe 44567 Washer 41826 Fitting Page 62 Micro26 - Service &...
Section 16 - Chassis March 2023 Ground Control and Cover Assembly ILLUSTRATION No. Micro26 Ground Control and Cover Assembly ART_5869 Page 63 Micro26 - Service & Parts Manual...
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Section 16 - Chassis March 2023 Item Part Number Description Qty. 46255 Ground Control Bracket 53281 Nut NNYL M05-0.80 Flange 46256 Hinge 53224 Screw THMS M05-0.80 × 12 53279 Screw CSCS M05-0.80 × 12 46257 Cover Ground Control Assembly (Refer To Page 65) 53038 WSHR M05 Standard Flat Washer 53043...
Section 16 - Chassis March 2023 Ground Control Assembly ILLUSTRATION No. Micro26 Ground Control Assembly ART_5870 Page 65 Micro26 - Service & Parts Manual...
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Section 16 - Chassis March 2023 Item Part Number Description Qty. 46258 Shell Components 41568 Alarm 43631 Alarm Nut 44691 Alarm Harness 44692 Main Board 44693 Display 44795 Decal, Ground Control Panel 41418 Key Switch 91574 41157 Emergency Stop Switch 43632 Red Mushroom Head 43633...
Section 18 - Platform March 2023 Main Platform Assembly Main Platform Assembly ILLUSTRATION No. Micro26 Main Platform Assembly ART_5876 Page 79 Micro26 - Service & Parts Manual...
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Section 18 - Platform March 2023 Item Part Number Description Qty. 46280 Upper Main Rail, Left 46281 Lower Main Rail, Right 46282 Upper Main Rail, Right 43337 Lock Pin 43301 Rivet 41128 Hinge B 53273 Screw HHCS M06-1.00 × 14 Serrated Flange 41127 Hinge A 43613...
Section 18 - Platform March 2023 Platform Control Assembly ILLUSTRATION No. Micro26 Platform Control Assembly ART_5878 Page 85 Micro26 - Service & Parts Manual...
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Section 18 - Platform March 2023 Item Part Number Description Qty. 46315 Platform Control Box Assembly (Refer To Page 87) 50048 Nut NNYL M08 × 1.25 42501 Handle 42500 Locating Plate 41764 Platform Control Box Mount Bracket 53231 Screw PHMS M06-1.00 × 16 53248 Screw CARB M08-1.25 ×...
Section 18 - Platform March 2023 Platform Control Box Assembly ILLUSTRATION No. Micro26 Platform Control Box Assembly ART_5885 Page 87 Micro26 - Service & Parts Manual...
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Section 18 - Platform March 2023 Item Part Number Description Qty. 44768 Shell Components 41157 Emergency Stop Switch 43632 Red Mushroom Head 43633 Base With 1 NO Contact 42915 Decal, Emergency Stop Panel 44769 USB Cable 44797 Decal, Platform Control Panel 46289 Joystick 43621...
Section 19 - Hydraulic System March 2023 Function Manifold ILLUSTRATION No. Micro26 Function Manifold ART_5887 Page 93 Micro26 - Service & Parts Manual...
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Section 19 - Hydraulic System March 2023 Item Part Number Description Qty. 46292 Relief Valve 46293 Valve Body 43465 Plug 43079 Plug 43206 Elbow 43582 Straight Fitting 43643 Plug 42480 Plug 43644 Straight Fitting 43076 Straight Fitting Orifice 43645 41537 Solenoid Valve Spool 46294 Coil...
Section 19 - Hydraulic System March 2023 Hydraulic Hoses and Fittings Steer Cylinder Function Manifold Hose Assembly Adapter Union ILLUSTRATION No. Micro26 Hydraulic Hoses and Fittings ART_5879 Page 95 Micro26 - Service & Parts Manual...
Section 20 - Electrical System March 2023 Electrical Harness Electrical Harness Platform Control Box Assembly Limit Switch (Pothole) Limit Switch (Pothole) Pressure Sensor Rotary Sensor Coil Beacon Coil Limit Switch (Lift Down) Function Relay Manifold Controller Motor Charger Fuse Assembly Motor Contactor Controller...
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Section 20 - Electrical System March 2023 Item Part Number Description Qty. 46302 ECU Harness 46303 Lowering Valve Harness 46304 Pressure Sensor Harness 46291 Platform Control Box Harness 46305 Limit Switch and Drive Motor Harness 46306 Power Harness 46307 Power Harness 46308 Power Harness 46309...
Section 20 - Electrical System March 2023 Power to Platform ILLUSTRATION No. Micro26 Power to Platform ART_5881 Page 99 Micro26 - Service & Parts Manual...
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Section 20 - Electrical System March 2023 Item Part Number Description Qty. AC Plug (Refer To page 71) 43721 Wire Cable, Platform AC Power 42613 AC socket Page 100 Micro26 - Service & Parts Manual...
Section 21 - Options March 2023 Leak Containment System Leak Containment System ILLUSTRATION No. Micro26 Leak Containment System ART_6013 Page 101 Micro26 - Service & Parts Manual...
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Section 21 - Options March 2023 Item Part Number Description Qty. 7545 Clamp Hose #28 1 5/16-2 1/4 18679 Cylinder Guard Universal - Large Slabs 31415 Upper Cylinder Guard 42926 Steer Cylinder Containment Tray 1930 42932 Absorbent Pad For Steer Cylinder (MICRO 19/1330) 42935 Absorbent Pad For Micro 19 42968...
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Section 22 - Decals March 2023 Decals Decals 12 13 Page 103 Micro26 - Service & Parts Manual...
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MEC Parts Order Form Phone: 559-842-1523 Fax: 559-400-6723 Email: Parts@mecawp.com Please Fill Out Completely: Date: Ordered By: Account: Your Fax No.: Bill to: Ship to: Purchase Order Number Ship VIA ** All orders MUST have a Purchase Order Number **Fed Ex shipments require Fed Ex account number...
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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.
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MEC Aerial Work Platforms 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...
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