Repair and Preventive maintenance the Heavy Equipment Machine. I work in the Dealer ship in Caterpillar, Komatsu, John Deere and Drill Machine Construction and Trucking, Mining, Quarry Pre Delivery Inspection and Attachment and Preventive Maintenance Assembly and Dismantle the component Hydraulic pump valve control Engine Overhaul Steering, Transmission Deferential Brake System Repair and replace Electrical system harness starter alternator and Light Diagnose the engine failure and troubleshooting replace the defective parts and servicing use the service advisor and I.T Manual and Operation hand Book Replace and install Injection Pump Nozzle and also Gasoline and Diesel Engine Mechanic repair or replace bearing oil seal Ducomentation Service report and Report the Supervisor inplement of Safety regulation.