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Mec 66-RJ Diesel Operating Instructions Manual

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Operator's Manual
66 - RJ Diesel
ILLUSTRATION No.
ART_6501
Meets requirements of ANSI A92.20-2020 and CSA B354.6-2019.
Part # 96965
March 2025
Serial Number Range 24400025 - Up

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Summary of Contents for Mec 66-RJ Diesel

  • Page 1 Operator’s Manual 66 - RJ Diesel ILLUSTRATION No. ART_6501 Meets requirements of ANSI A92.20-2020 and CSA B354.6-2019. Part # 96965 March 2025 Serial Number Range 24400025 - Up...

  • Page 2: Revision History

    Revision History Date Reason for Update March 2025 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 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 3: Table Of Contents

    � 44 Section 11 - Transport and Lifting Instructions . 45 Transport and Lifting Instructions � � � � � � � � � � � � � � � � 45 Page ii 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 4: Section 1 - Introduction

    Your MEC Aerial Work Platform has been designed, built, and tested to provide safe, dependable service. Only authorized, trained and qualified personnel shall be allowed to operate or service the machine.

  • Page 5: Section 2 - Safety

    For your safety and the safety of those around you, you must operate your machine as instructed in this manual. MEC designs aerial work platforms to safely and reliably position personnel, along with their 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.

  • Page 6: Safety Alert Symbols & Fall Protection

    Section 2 - Safety March 2025 Safety Alert Symbols & Fall Protection 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...

  • Page 7: Section 3 - Specifications

    Meets requirements of ANSI A92.20-2020 and CSA B354.6-2019. Allowable ambient temperature range: -20°F to 120°F (-29°C to 49°C). Consult with MEC for operation outside of this range. 1 Working Height adds 6 feet (2 meters) to platform height. 2 Weight may increase with certain options.

  • Page 8: Section 4 - Hazards

    Keep away from the machine if it contacts energized power lines. Personnel on the ground or in the platform must not touch or operate the machine until energized power lines are shut off. Do not use the machine as a ground for welding. Page 5 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 9 (b) Transmission lines greater than 133 kV LEGEND = No shading, in the front views, indicates no proximity requirements = Light shading indicates spotter is required = Heavy shading indicates the NO GO ZONE ART_3265 Page 6 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 10 Such persons shall be capable of working safely on energized circuits and shall be familiar with the proper use of special precautionary techniques, personal protective equipment, insulating and shielding materials and insulated tools. Page 7 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 11: Tip-Over Hazards

    ART_5504 DO NOT USE AS CRANE DO NOT replace any part of the machine with anything except MEC-supplied or MEC-approved parts. NEVER use ladders or scaffolds in the platform or allow them to touch any part of the machine. NEVER use the machine on a moving or mobile surface or vehicle.

  • Page 12: Fall And Collision Hazards

    Stunt driving and horseplay are PROHIBITED. Check for personnel and obstructions below the platform when lowering the platform. ILLUSTRATION No. ART_5508 Page 9 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 13: Additional Safety Hazards

    Battery Safety - Explosion Hazard • Keep sparks, flame and lighted tobacco away from batteries. Batteries emit explosive gas. Battery Safety - Electrocution Hazard • Avoid contact with electrical terminals. Page 10 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 14: Section 5 - Controls & Components

    CONTROL MODULE HYDRAULIC LOWER TANK FUEL CONTROLS TANK CONTROL MODULE TURNTABLE TELESCOPIC BOOM ENGINE MODULE JIB ROTATOR FRONT PLATFORM WHEELS CONTROLS SWING GATE REAR WHEELS PLATFORM ROTATOR ILLUSTRATION No. ART_6496 LIFT GATE Page 11 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 15: Upper Controls

    Press the switch up to sound warning horn. Push this switch to the left for high speed drive. Speed/Torque Select Switch Push this switch to the right for high torque drive. Page 12 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 16 Depress the enable bar on front of one of the control handles, then move this switch up to Platform Level Switch manually level the platform upward or move this switch down to manually level the platform downward. Page 13 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 17: Diagnostics Panel

    Range extender auto starts SW the corresponding function. Engine hood open SW 3. It returns back to main interface, when the button “Esc” Main Boom Angle <30° Confirmed is pressed. On/Off ꜛ ꜜ Page 14 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 18: Lower Controls

    Diagnostics Panel page 16. Press the Emergency Stop switch at any time to stop all machine functions. Emergency Stop Switch Pull the switch out to reset it and resume machine operation. Page 15 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 19 Steering mode selection indicator light • Parking brake active indicator light • Differential lock active indicator light • Front axle lock active indicator light • Movement speed selection indicator light: slow/fast Page 16 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 20 Range extender auto starts SW the corresponding function. Engine hood open SW 3. It returns back to main interface, when the button “Esc” Main Boom Angle <30° Confirmed is pressed. On/Off ꜛ ꜜ Page 17 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 21: Section 6 - Workplace Inspection

    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 Page 18 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 22: Section 7 - Operating Instructions & Pre-Operation Function Tests

    Be sure that the upper and lower Emergency Stop Switches are reset. Lower Control Box: Turn Key Switch to CHASSIS. ILLUSTRATION No. ART_6095 Lower Control Engine Start/Stop Button Move this switch up to start the engine or to turn the engine off. Page 19 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 23 Upper Control Overload Indicator Light Light on indicates too much weight in the platform. An audible alarm will sound and all machine function will stop. Remove weight from the platform to restore function and continue. Page 20 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 24: Base Controls Operation & Pre-Operation Functions Test

    Lower Control Box: Turn Key Switch to CHASSIS. ILLUSTRATION No. Function Enable Switch ART_6096 Turn this switch right and hold to enable boom, turntable, and platform operations from the base controls. Page 21 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 25 Raise the jib until it stops. • Lower the jib until it stops. • Releasing the switch will stop Jib Lift/Lower function. • Pressing the Emergency Stop Switch will stop jib lift/lower function. Page 22 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 26 Push the switch left and right. The turntable should rotate accordingly. • Releasing the switch will stop turntable rotate function. • Pressing the Emergency Stop Switch will stop turntable rotate function. Page 23 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 27: Overload Indicator Light

    Overload Indicator Light Light on indicates too much weight in the platform. An audible alarm will sound and all machine function will stop. Remove weight from the platform to restore function and continue. Page 24 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 28: Platform Control Operation & Pre-Operation Functions Test

    Press the Emergency Stop button at any time to stop all machine functions. Pull the switch out to reset it and resume machine operation. Make sure the Emergency Stop button is pushed in whenever the machine is not in operation. ART_3353 Page 25 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 29 5. You can also press and release this button to allow a 5 second window Emergency Platform in which you can select the desired function and operate it in the normal Bypass Switch procedure. The operation will continue until you stop the function. Page 26 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 30: Fall Protection

    • If the Tilt Alarm sounds while the counterweight is downhill, first lower the boom, then retract the boom. • Move the machine to a firm, level surface before continuing operation. Page 27 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 31: Drive Control Lever Operation

    Lower the boom. 3. Steering: Squeeze the enable trigger, then press the thumb switch on top of the control handle to steer in the desired direction. Page 28 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 32: Upper Control Box

    Control Handle. ILLUSTRATION No. ART_4747 ILLUSTRATION No. ART_6097 Speed/Torque Switch Move this switch to the left for high speed drive. Push this switch to the right for high torque drive. Page 29 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 33: Platform Level Switch

    • Platform Level power is disabled upon exceeding 5° out of level when out of the stowed position. Power is allowed only to the direction that returns the platform toward level. Page 30 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 34: Shutdown Procedure

    Turn the Selector Key Switch to the “0” position and remove the key to prevent unauthorized use. Always put the switch in “0” position when leaving the machine at the end of the work day. Page 31 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 35: Auxiliary Power System & Test

    Platform Controls Upper Auxiliary Power Switch Base Controls Auxiliary Power Switch Lower Auxiliary Power Switch ILLUSTRATION No. ART_5793 Page 32 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 36 Upper Control - Emergency Bypass Switch ILLUSTRATION No. ART_6097 This switch bypasses the e-stop circuit and allows the machine to power on without completing the emergency power loop. This is for emergency situations only! Page 33 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 37: Section 8 - Maintenance

    Never open a hydraulic system when there are contaminants in the air. ART_6091 CAUTION Always clean the surrounding area before opening hydraulic systems. Use only recommended lubricants. Improper lubricants or incompatible lubricants may cause as much damage as no lubrication. Page 34 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 38 Machines that have been out of service for more than three months must have the Frequent Inspection Checklists completed before returning to service. Page 35 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 39: Pre-Start Inspection Checklist

    Check engine coolant level at overflow bottle. Check fuel tank level. Secure all covers, panels and hoods. Ensure that all gates are properly closed and secured before operating the machine. Date Inspected By Page 36 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 40: Frequent Inspection Checklist

    If the machine is used in very dusty, exceptionally hot or exceptionally cold conditions, replace hydraulic filter element and air filter element (under normal conditions replace every 6 months or 300 hours, whichever comes first). Date Inspected By Page 37 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 41: Maintenance Inspection Report

    Lug nuts all present, torqued properly Fuel lines secure, no leaks King Pins lubed All shields, guards in place, secure Tires are not leaning in leaning in or out Mounting secure Drive motors tight, no leaks Page 38 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 42: Lubrication

    Filter Element whichever occurs first Filter (Located inside Hydraulic Reservoir) Severe Conditions -- very dusty, exceptionally hot or exceptionally cold conditions • Change every three months or 150 hours, whichever occurs first Page 39 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 43: Section 9 - Troubleshooting

    • Wires disconnected, broken, or loose? • LED should be ON. • Contact MEC Technical Support. • Technical Support • Error code at Onboard Diagnostic Center? • Contact MEC Customer Service. Page 40 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 44: Section 10 - Decals

    Section 10 - Decals March 2025 Decals Decals CONTROL SIDE, MODULE CLOSED CONTROL SIDE, MODULE OPEN ENGINE SIDE, MODULE CLOSED 10 11 ENGINE SIDE, MODULE OPEN Page 41 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 45 Section 10 - Decals March 2025 FRONT SIDE BACK SIDE *INSIDE THE MANUAL CASE Page 42 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 46 Qty. - 1 95822 Qty. - 1 8911 Qty. - 1 90719 Qty. - 1 90718 Qty. - 1 90751 Qty. - 1 49367 Qty. - 1 41634 Qty. - 4 Page 43 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 47: Serial Plate

    MAX. GROUND PRESSURE: The amount of pressure exerted on the surface at each wheel. Calculated with all available options installed. Pmax = 30% (Wm + Wc + Wopt) / Contact Area MAX. SIDE LOAD: The maximum force that can be exerted laterally. Page 44 66-RJ Diesel - Operator’s Manual - 96965...

  • Page 48: Section 11 - Transport And Lifting Instructions

    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 ART_6091 WARNING trailer according to government regulations and company policy.
  • Page 49 Carefully operate the winch to lower the machine down the ramp or pull the machine up the ramp. • Chock the wheels and engage the brakes before disengaging the winch. ILLUSTRATION No. ART_6506 Page 46 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 50 STRAP Route the tie-down strap as shown through the width of the platform, over the toe boards of both side entry points. Tighten securely but do ILLUSTRATION No. ART_6495 not over-tighten. Page 47 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 51 Center of gravity measurements are taken from the center of the non-steering wheel as shown in the image. X-Axis Y-Axis 67.3 inches 28.3 inches (1710 millimeters) (720 millimeters) ILLUSTRATION No. ART_6503 Y Axis ILLUSTRATION No. ART_6503 X Axis Page 48 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 52 March 2025 Notes Page 49 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 53 March 2025 Notes Page 50 66-RJ Diesel - Operator’s Manual - 96965...
  • Page 54 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...
  • Page 55 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.
  • Page 56 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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