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MAHA DUO CM Series - User Manual

MAHA DUO CM Series
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DUO CM
Scissors Lift
Original Operating Instructions
BA082901-en

Table of Contents

Questions and Answers

  • M
    Matthew MaldonadoAug 4, 2025
    What to do if my MAHA DUO CM does not run?
    • J
      John JohnstonAug 4, 2025
      If your MAHA Scissor Lift isn't running, first ensure the main switch is turned on. If the switch is on, check for a power failure. If neither of these resolves the issue, there may be a power cord interruption or defective fuses, in which case you should contact service.
  • C
    Christine CookAug 10, 2025
    Why my MAHA DUO CM Scissor Lifts does not raise?
    • V
      Victoria CarterAug 10, 2025
      If your MAHA Scissor Lift isn't raising, it could be due to a few reasons. First, check the fluid level and top up the reservoir if it's low. If the fluid level is adequate, the motor rotation may be reversed, the RAISE button might be defective or the pump intake filter may be dirty, and you should contact service.
  • Z
    zsimmonsAug 15, 2025
    What to do if MAHA DUO CM Scissor Lifts cannot raise rated load?
    • J
      Jason CampbellAug 15, 2025
      If your MAHA Scissor Lift cannot raise the rated load, it might be due to a maladjusted pressure valve or a defective pump. If the pressure valve is maladjusted, contact service.
  • L
    lisabellAug 21, 2025
    Why MAHA DUO CM Scissor Lifts does not lower?
    • M
      michaelthomasAug 21, 2025
      If your MAHA Scissor Lift isn't lowering, it could be due to a defective LOWER solenoid valve or a defective LOWER button. If the LOWER solenoid valve is defective, contact service.
  • C
    Cathy MoralesAug 27, 2025
    What to do if MAHA Scissor Lifts lowers without control button being pressed?
    • M
      Max SmithAug 28, 2025
      If your MAHA Scissor Lift lowers without the control button being pressed, it could be due to the LOWER solenoid valve being incompletely closed or leakage in the hydraulic system. If that is the case, contact service.

Summary

1 Safety

1.1 Introduction

Provides an overview and instructions for reading the manual.

1.2 Symbols and Signal Words

Defines hazard symbols (DANGER, WARNING, CAUTION, NOTICE, INFORMATION) and their meanings.

1.3 Intended Use

Specifies the approved applications and limitations for the lift.

1.4 Inappropriate Use

Lists prohibited uses of the lift to prevent hazards.

1.5 Requirements on Operating and Service Personnel

Details qualifications and training required for personnel operating or servicing the lift.

1.6 Safety Instructions for Commissioning

Outlines safety procedures for the initial installation and setup of the lift.

1.7 Safety Instructions for Operation

Provides critical safety guidelines for the daily operation of the lift.

1.8 Safety Instructions for Servicing

Details safety precautions to be taken during maintenance and repair work.

1.9 Safety Instructions for Handling Hydraulic Fluid

Provides guidance on the safe handling and disposal of hydraulic fluid.

1.10 What to Do in the Event of Defects or Malfunctions

Describes immediate actions to take when the lift experiences issues.

1.11 What to Do in the Event of an Accident

Provides procedures for responding to accidents and providing first aid.

1.12 Safety Features

Explains the built-in safety mechanisms of the lift.

2 Description

2.1 General Information

Provides a general overview of the lift's construction and operating principle.

2.2 Specifications

Lists technical data and dimensions for different lift models.

2.2.1 DUO CM 4.2 A;U

Technical specifications for the DUO CM 4.2 A/U scissors lift model.

2.2.2 DUO CM 5.0 A;U

Technical specifications for the DUO CM 5.0 A/U scissors lift model.

2.2.3 DUO CM 5.5 U

Technical specifications for the DUO CM 5.5 U scissors lift model.

2.3 Sample Nameplate

Illustrates the information found on the lift's identification nameplate.

3 Transport and Storage

4 Installation and Initial Operation

5 Operation

5.1 Main Switch

Explains the function and operation of the main power switch.

5.2 Controls and Indicators

Identifies and describes the function of all control panel buttons and indicator lights.

5.3 Display Codes

Explains the meaning of different LED indicator light patterns and codes.

5.4 Using Support Blocks

Provides instructions and safety guidelines for using support blocks with the lift.

5.4.1 Stacking Two Blocks on Top of Each Other

Details the correct procedure and limitations for stacking support blocks.

5.5 Raising

Outlines the step-by-step process for safely raising the lift with a vehicle.

5.6 Lowering

Provides detailed instructions for safely lowering the lift and vehicle.

5.7 Wheel-Free Jack (Optional)

Explains the operation for raising and lowering the optional wheel-free jack.

5.8 Hydraulic Inclination

Describes how to control the runway inclination using button F2.

5.9 Routing the Manual Lowering Rope on Lifts with Power Unit in Middle Platform

Step-by-step guide for routing the manual lowering rope on specific lift configurations.

5.9.1 Manual Lowering Rope with 5.5 kW Unit in Middle Platform

Procedure for routing the manual lowering rope on a 5.5 kW unit in the middle platform.

5.10 Manual Lowering of the Lift

Details the procedures for manually lowering the lift under various conditions.

5.10.1 Important Notice Regarding Manual Lowering

Highlights critical warnings and precautions for manual lowering procedures.

5.10.2 Sequence of Actions for Manual Lowering

Details the precise step-by-step sequence for performing manual lowering.

5.10.3 Identifying the Hydraulic Power Unit

Provides a table to identify hydraulic power units based on version and specifications.

5.10.4 Manual Lowering with 2.5 kW or 5.5 kW Power Unit in the Control Desk

Procedure for manual lowering with specific power unit configurations.

5.10.5 Manual Lowering with 2 × 5.5 kW Power Unit in the Control Desk

Procedure for manual lowering with dual 5.5 kW power units in the control desk.

5.10.6 Manual Lowering with 5.5 kW Power Unit in the Middle Platform

Procedure for manual lowering with a 5.5 kW power unit located in the middle platform.

5.10.7 Manual Lowering with 2 × 5.5 kW Power Unit in the Middle Platform

Procedure for manual lowering with dual 5.5 kW power units in the middle platform.

5.11 Manual Lowering of the Wheel-Free Jack

Details procedures for manually lowering the wheel-free jack.

5.11.1 Manual Lowering of Wheel-Free Jack with 2.5 kW or 5.5 kW Power Unit

Procedure for lowering the wheel-free jack with specific power unit configurations.

5.11.2 Manual Lowering of Wheel-Free Jack with 2 x 5.5 kW Power Unit in the Control Desk

Procedure for lowering the wheel-free jack with dual 5.5 kW units in the control desk.

5.11.3 Manual Lowering of Wheel-Free Jack with 2 x 5.5 kW Power Unit in the Middle Platform

Procedure for lowering the wheel-free jack with dual 5.5 kW units in the middle platform.

6 Maintenance

6.1 Maintenance Schedule

Provides a schedule of maintenance tasks and their intervals.

6.2 Annual Inspection

Details the requirements and procedures for the annual inspection of the lift.

6.3 Replacing the Filter Element

Instructions for replacing the return flow filter element.

6.4 Care Instructions

Provides guidance on cleaning and maintaining the lift's appearance and functionality.

6.5 Checking the Fluid Level

Describes the procedure for checking and topping up the hydraulic fluid level.

6.6 Wearing Parts

Focuses on inspecting components subject to wear and tear.

6.6.1 Checking the Sliding Blocks in the Base Tub

Details how to check sliding blocks for wear and when to replace them.

6.7 Greasing Points

Identifies lubrication points for the lift and its components.

6.7.1 Lubrication Points at the Lift

Identifies specific points on the lift that require periodic lubrication.

6.7.2 Lubrication Points at Optional Accessories

Details lubrication points for optional accessories like the Wheel-Free Jack.

6.8 Troubleshooting

Provides a guide to diagnose and resolve common lift errors and issues.

6.9 Spare Parts

Information on using original spare parts for maintenance and repairs.

7 Service Lifetime

8 Dismantling

9 Disposal

10 Contents of the Declaration of Conformity

MAHA DUO CM Series Specifications

General IconGeneral
BrandMAHA
ModelDUO CM Series
CategoryScissor Lifts
LanguageEnglish

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