OUTLINES
- Gas Engine Theory
- Identify basic engine parts
- Internal combustion engines work
- The sequence of events in 2 cycle and 4 cycle engines
- Identify engines by manufacture and model
- Basic engine terminology as related to natural gas compression
- Basic splash and pressurized lubrication systems
- Different types of cooling systems work
- The operating differences between 2 cycle and 4 cycle engines
- The use of Micrometers
- The use of a torque wrench
- Identify bolts and fasteners and their proper use
- The basic types of Governors
- Identify different types of ignition sources
- Basic principals of Turbo-Chargers
- Gas Engine Auxiliary Equipment
- Various types of auxiliary equipment as they are associated with gas units
- Examine auxiliary equipment for accurate adjustments and operation
- Execute safety checks on auxiliary equipment
- Identify, inspect, replace and/or adjust belt tension
- Inspect cooling fans for defects
- Environmental hazards at compressor site
- Proper pitch on fan blades
- Coupling alignment on auxiliary equipment
- Gas Engine Electrical Diagnose
- Locate shorts, grounds, and opens in electrical/electronic circuits
- Test and inspect for missing, modified, or damaged engine control components as well as programmed parameters
- Discover actuators/circuits using displayed data
- Interpret basic electrical schematics
- Check applies voltages, circuit voltages, and voltage drops in electrical/electronic circuits using a digital multimeter
- Verify current flow in electrical/electronic circuits and components using a amp meter
- Prove resistance in electrical/electronic circuits and components using a ohmmeter
- Perform digital multimeter tests on circuits
- Gas Engine Preventive Maintenance
- Correctly perform safety checks as detailed by company, regulating agencies and manufacture(s)
- Safely operate hand and power tools required to perform related tasks
- Properly record all discrepancies noted on correct inspection documents
- Correctly inspect engine for oil, coolant and fuel leaks; check oil and/or coolant for proper levels
- Properly inspect engine for looseness and damage
- Suitably inspect air intake and exhaust systems for leaks and damage
- Inspect starter mounting and connections
- Properly lubricate entire unit per lubrication chart recommendation
- Examine and inspect unit for damaged and/or missing components
- Correctly adjust engine valve clearance as needed
- Collect oil samples and interpret the results
- Develop proper procedure for changing and maintaining spark plugs
- Gas Engine Repair/Overhaul
- Develop proper techniques for disassembly and inspection of a gas engine
- Correctly document all Mic readings on a overhaul report
- Proper timing of gear train
- Prepare an acceptable detailed maintenance report
- Mic all components as per OEM
- Clean and inspect threaded holes, studs and bolts for serviceability
- Install a crankshaft
- Assemble pistons and connecting rods
- Install main bearings and check clearances
- Inspect cylinder heads and mating surfaces for warpage, thickness and cracks
- Install rod bearings and check clearances
- Replace cylinder liners and seals
- Inspect and adjust liner profusion
- Install torque cylinder heads
- Adjust engine valve clearance
- Gas Engine Trouble Shooting
- Diagnose, repair or replace defective sensors and sending units
- Diagnose cranks (won’t start conditions) with regard to tattletale safety shut dow
- Diagnose, repair or replace defective wiring to IAW appropriate guidelines
- Troubleshoot and diagnose ignition problems
- Distinguish power train problems by using vibration spectrums on power cylinders and main frame
- Interpret ultra-sonic patterns to diagnose leaking piston rings and valves
- The events of a natural gas engine at each degree of crankshaft rotation
- Trending temperature and pressures for diagnosing problems
- The use of “root cause” and “failure analysis”
- The basic use of an engine analyzer
INSTRUCTOR
Dr. Ing. Mohammad Alexin Putra and Team