MAINTENANCE SYSTEM FOR HEAVY EARTH MOVING EQUIPMENT
Anwar Ullah*, Sabir Islam*, Sikandar Bilal Khattak*, Safi Ur Rahman**, Shahid Maqsood*, Misbah Ullah*, Rehman Akhtar*, Rashid Nawaz*
ABSTRACT
Heavy earth moving equipment’s are critical for completion of any developmental projects. Dams, schools, bridges
or any mining related initiations are part of these infrastructure development projects. Usually the delays are due to
the inefficient and ineffective maintenance procedures of the heavy earth moving equipment’s. Poor record keeping
and un-systemized maintenance procedures leads to reducing the machine effective life cycle. To avoid catastrophic
losses in production and, market share, a maintenance model for such equipment is developed. Heavy equipment
availability is mandatory on site. Their movement is critical and usually limited. The data collected includes both
manufacturer and operator requirement. Usually such equipment is treated as normal machine irrespective of the
rough environment it works in. The analysis includes segregation, Pareto analysis and Five Why analysis. A dedicated
maintenance model is proposed which includes checklist and proper maintenance schedule.
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