• Preventive and corrective maintenance of heavy equipment units such

as wheel loader, excavator, and dozer.

• Development unit based on historical maintenance and work order.

• Monitoring and analysis of troubleshooting.

• Do the re-arrange of tool room management so the borrowing of tools is

abvious.

• Do the re-arrange of workshop management according to standard, so

mechanic are safe and comfotable at work.