JCB 100C-2 Mini Excavator

The JCB 100C-2 Mini Excavator is a reliable machine, but like any heavy equipment, it may experience issues over time. Here are some common problems along with potential solutions:


1. Engine Starting Problems

Symptoms:

  • Engine fails to start or is hard to start.
  • Delayed ignition.

Possible Causes:

  • Low fuel quality or contamination.
  • Clogged fuel filters or air filters.
  • Weak or dead battery.
  • Faulty starter motor.

Solutions:

  • Check and replace fuel if contaminated.
  • Replace clogged fuel and air filters.
  • Ensure the battery is charged and connections are secure.
  • Inspect the starter motor and replace it if needed.

2. Hydraulic System Issues

Symptoms:

  • Slow or unresponsive hydraulic functions.
  • Overheating hydraulic system.
  • Leaks in hydraulic lines.

Possible Causes:

  • Low hydraulic fluid level or contamination.
  • Clogged hydraulic filters.
  • Worn-out seals or hoses.
  • Faulty hydraulic pump.

Solutions:

  • Check and refill hydraulic fluid to the correct level.
  • Replace hydraulic filters.
  • Inspect and replace damaged hoses or seals.
  • Test the hydraulic pump and replace it if faulty.

3. Electrical Problems

Symptoms:

  • Malfunctioning dashboard controls or displays.
  • Blown fuses or frequent electrical failures.

Possible Causes:

  • Loose or corroded wiring connections.
  • Defective sensors or switches.
  • Weak alternator or faulty wiring harness.

Solutions:

  • Inspect and clean electrical connections.
  • Test and replace faulty sensors or switches.
  • Check the alternator output and replace it if necessary.

4. Track or Undercarriage Wear

Symptoms:

  • Uneven track movement.
  • Excessive wear or damage to track links or rollers.

Possible Causes:

  • Improper track tension.
  • Debris accumulation in the undercarriage.
  • Excessive use in rough or rocky terrain.

Solutions:

  • Adjust track tension according to the manufacturer’s recommendations.
  • Regularly clean the undercarriage.
  • Replace worn-out track components.

5. Cooling System Overheating

Symptoms:

  • High engine temperature warning.
  • Coolant leaks.

Possible Causes:

  • Low coolant levels.
  • Clogged radiator.
  • Faulty thermostat or water pump.

Solutions:

  • Refill coolant to the correct level.
  • Clean the radiator to ensure proper airflow.
  • Replace a faulty thermostat or water pump.

6. Swing Motor or Slew Ring Issues

Symptoms:

  • Jerky or unresponsive swing operation.
  • Noise during swing movement.

Possible Causes:

  • Insufficient lubrication in the slew ring.
  • Damaged swing motor.
  • Wear on the slew ring gear or bearings.

Solutions:

  • Lubricate the slew ring gear regularly.
  • Inspect and replace damaged swing motor components.
  • Replace worn-out slew ring gears or bearings.

7. Bucket or Boom Performance Issues

Symptoms:

  • Reduced digging power.
  • Bucket not holding position or drifting.

Possible Causes:

  • Worn-out hydraulic cylinders or seals.
  • Low hydraulic pressure.

Solutions:

  • Replace worn seals or cylinders.
  • Adjust hydraulic pressure to the manufacturer’s specifications.

Preventative Maintenance Tips:

  • Follow JCB’s recommended maintenance schedule.
  • Regularly inspect filters, fluids, and components.
  • Keep the machine clean to prevent debris-related issues.
  • Use only JCB-approved parts and consumables.

By addressing these issues promptly, you can ensure that your JCB 100C-2 Mini Excavator remains reliable and operates efficiently. For persistent problems, consult a professional technician- That’s us!

 

Spares & parts bibliography

For all spares and parts we recommend our sister company – HTS Spares

For all JCB excavator parts: JCB Style Excavator Spares | All products shown are quality replacement parts and are not genuine JCB products. 

Spoke to Jeremy at HTS Plant on Monday morning about a generator they had in stock agreed a deal, arrived onsite Tuesday lunchtime "excellent service" Hard to find likeminded honest genuine company’s these days HTS are spot on. Jeremy even took the time to phone making sure everything was ok.
Paul B, Developer in Asselby