Mecalac Terex MBR71 Roller Hd 2020-

The Terex MBR71 Hd pedestrian roller, widely used for compacting asphalt and soil, is known for its durability and efficiency. However, like any piece of equipment, it can experience common issues over time due to wear, improper maintenance, or operating conditions. Here are some of the most common problems associated with the Terex MBR71Hd roller and their possible solutions:

1. Hydraulic System Problems

Symptoms:
- Slow or unresponsive drum movement.
- Uneven compaction performance.
- Leaks from hydraulic hoses or fittings.
Causes:
- Worn or damaged hydraulic pump or motor.
- Blocked or dirty hydraulic filter.
- Air trapped in the hydraulic system.
Solutions:
- Check and replace hydraulic fluid as needed.
- Inspect and replace worn hydraulic hoses or seals.
- Bleed the hydraulic system to remove trapped air- We recommend seeing a specialist for this as the right equipment and knowledge is essential – click here to get in contact

2. Engine Issues

Symptoms:
- Difficulty starting the engine.
- Loss of power during operation.
- Excessive smoke from the exhaust.
Causes:
- Clogged fuel or air filters.
- Old or contaminated fuel.
- Low engine oil or dirty oil.
Solutions:
- Replace fuel and air filters regularly.
- Use clean, high-quality fuel.
- Change engine oil as part of routine maintenance.

3. Vibration Issues

Symptoms:
- Insufficient vibration for compaction.
- Excessive or uneven vibrations during operation.
Causes:
- Worn vibration bearings or components.
- Faulty exciter motor or belts.
- Imbalance in the drum assembly.
Solutions:
- Inspect and replace worn vibration components.
- Check and tighten exciter motor belts.
- Ensure the drum is balanced and aligned correctly.

4. Drum or Roller Problems

Symptoms:
- Excessive wear or damage to the drum surface.
- Difficulty in steering or handling.
Causes:
- Lack of regular cleaning and lubrication.
- Operating the roller on rough or unsuitable surfaces.
- Loose or damaged drum bearings.
Solutions:
- Regularly clean and lubricate the drum components.
- Inspect and replace damaged drum bearings.
- Use the roller on appropriate surfaces to prevent unnecessary wear.

5. Electrical System Failures

Symptoms:
- Non-functional lights or switches.
- Starter motor not engaging.
Causes:
- Corroded or loose wiring connections.
- Faulty battery or charging system.
- Damaged electrical components.
Solutions:
- Check and tighten wiring connections.
- Test and replace the battery if needed.
- Inspect and replace damaged electrical components.

6. Water Sprinkler System Issues (if equipped)

Symptoms:
- No water flow to the drum.
- Uneven water distribution.
Causes:
- Blocked sprinkler nozzles.
- Clogged or damaged water pump.
Solutions:
- Clean or replace spray bar.
- Replace potentially perished pipework.

7. General Wear and Tear

Symptoms:
- Reduced performance and efficiency over time.
- Increased noise during operation.
Causes:
- Normal aging of components.
- Inadequate or delayed maintenance.
Solutions:
- Follow a regular maintenance schedule for lubrication, fluid changes, and inspections.
- Replace worn components before they fail completely.

Preventative Maintenance Tips for the Terex MBR71Hd:

Daily Checks:
- Inspect hydraulic oil, engine oil, and fuel levels.
- Look for any visible leaks or damage.
Periodic Maintenance: – Visit Us!
- Clean the air filter and replace it as needed.
- Check and tighten bolts and fasteners.
- Lubricate moving parts to prevent wear.
Operator Training:
- Ensure operators know how to use the roller correctly to minimize unnecessary strain on components.

By proactively maintaining the Terex MBR71Hd roller, you can reduce downtime and extend its service life.