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Rotair MDVN 26K - User Manual

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USER'S AND
MAINTENANCE
MANUAL
Date:
20/02/2017
Code
MAN MDVN 22-26 K
ENG
Motor compressor MDVN 22 K MDVN 26 K
Revision
02
Page
1/68
USER'S AND MAINTENANCE MANUAL
Motor compressor
MDVN 22K MDVN 26K

Table of Contents

Questions and Answers

  • K
    Keith ReyesAug 6, 2025
    What to do if temperature sensors are defective in Rotair MDVN 26K Air Compressor?
    • M
      Megan WrightAug 6, 2025
      If the temperature sensors on your Rotair Air Compressor are defective, unplug the power cable from each probe, one at a time, to identify the faulty sensor. Once identified, replace the defective sensor. The temperature light on the control panel should then turn off.
  • J
    Joseph EvansAug 10, 2025
    What to do if the control valve of maximum pressure is defective in Rotair Air Compressor?
    • B
      Brett BlakeAug 10, 2025
      If the control valve of maximum pressure is defective on your Rotair Air Compressor, remove the control valve and carefully inspect the spring and conical seat. If you cannot repair the defect, you will need to replace the valve.
  • K
    Karen AndrewsAug 15, 2025
    What to do if the minimum pressure control valve is blocked in Rotair Air Compressor?
    • P
      Pamela TaylorAug 15, 2025
      If the minimum pressure control valve is blocked in your Rotair Air Compressor, disassemble it and check that the piston can move freely and that the spring is intact. If you cannot repair the defect, replace the valve.
  • B
    Benjamin ThompsonAug 18, 2025
    How to fix battery discharged or defective in Rotair Air Compressor?
    • C
      castrojenniferAug 18, 2025
      If your Rotair Air Compressor has a discharged or defective battery, recharge it. If the battery does not hold a charge after being recharged, replace it.
  • J
    John BerryAug 23, 2025
    What to do if terminals of the battery cables are oxidized or loose in Rotair Air Compressor?
    • L
      lambandreaAug 25, 2025
      If the terminals of the battery cables are oxidized or loose on your Rotair Air Compressor, clean them and then tighten them securely.
  • C
    Cynthia ThompsonAug 28, 2025
    What to do if there is no fuel in Rotair Air Compressor?
    • G
      Gary ParrishAug 28, 2025
      If there is no fuel in your Rotair Air Compressor, top up the fuel in the diesel tank.
  • M
    Mr. Jason BushAug 31, 2025
    What to do if there is air in the fuel pipe of Rotair MDVN 26K?
    • I
      ipowellAug 31, 2025
      If there is air in the fuel pipe of your Rotair Air Compressor, carefully check all pipes to locate where the air is infiltrating.

Summary

Technical Characteristics of the Machinery

Technical Characteristics of the Compressor

Details compressor specifications like service pressure, minimum pressure, and rated payload.

Technical Characteristics of the Engine

Outlines engine brand, type, power availability, rotation speeds, and emissions standards.

Symbols and Warnings

Hazards

Explains various hazard pictograms (general, electrical, crushing, motion, hot surfaces, loads, pressure vessels).

Forbiddances

Details prohibited actions like removing guards, maintenance during operation, or transit under loads.

Use of the Machinery

Use Allowed

Specifies intended applications, working outdoors, and optimal compressor-tool coupling.

Use Not Allowed

Lists prohibited uses and states the manufacturer's disclaimer for non-compliance.

Residual Risk

Identifies potential hazards such as air discharge, exhaust gases, and hood operation.

Levels and Qualifications of the Personnel

Safety Provisions

Safety Provisions Concerning Maintenance

Essential safety rules for performing maintenance, ensuring machine shutdown and guards.

Machinery Components

Electrical Equipment of the Machinery

Hydraulic and Pneumatic Systems

Provisions for Appropriate Utilization

Before Starting-Up

Essential checks before operation: leveling, electrical connections, fuel, and oil levels.

Start-Up Procedure

Step-by-step guide for starting the motor compressor, including key switch and lamp checks.

Monitoring and Testing of the Machine

Monitoring and Control of Air Pressure

How to monitor and adjust the maximum air pressure output using calibration valves.

Monitoring and Control of Minimum Air Pressure

How to monitor and adjust the minimum air pressure, ensuring system integrity.

Safety Devices

Emergency Stop Buttons

Explains the function, operation, and restoration procedure for emergency stop buttons.

Verification of the Safety Valve

How to check the functionality of the safety valve quarterly for overpressure protection.

Maintenance

Routine Maintenance

Defines routine maintenance and its objective to restore system functionality.

Maintenance Program

Lists recommended maintenance operations and their frequencies for optimal machine function.

Replacement of Compressor Oil

Details recommended oils and procedures for oil replacement, considering operating conditions.

Faults and Troubleshooting

Engine Not Starting

Lists causes and solutions for engine starting issues, including battery, fuel, and sensor problems.

Engine Not Accelerating

Identifies problems and solutions when the motor does not accelerate, related to pressure valves.

Engine Speeds Up but No Air

Troubleshooting for situations where the engine runs but no air is produced, checking pressure valves.

Machine Stops Suddenly

Solutions for sudden machine stops caused by temperature anomalies, checking sensors and levels.

Engine Not Reaching Max Speed

Diagnosing and fixing issues with engine speed and air output, checking accelerators and pressure.

Rotair MDVN 26K Specifications

General IconGeneral
Free Air Delivery2.6 m³/min
Working Pressure0.7 MPa
Engine Power9.7 kW
Power9.7 kW
Weight0.15 t

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