Diesel Engine Tune Up

DIESEL ENGINE TUNE UP 1. In injection timing adjustment, to adjust the plunger stroke which procedure is applied? 2. When performing injection timing, what must you do first? 3. What is the standard procedure of injection timing setting? GAS ENGINE TUNE UP 1. What do you mean by dwell angle adjustment? 2. What is one main function of the condenser? 3. How do you adjust ignition timing? SERVICE ENGINE MECHANICAL SYSTEM 1. Why is it not safe to open the radiator between a turbo charger and a super charger? 2. What is the difference between a turbo charger and a super charger? 3. Why is it not advisable to overfill the oil pan with engine oil? 4. Please discuss briefly the operation of the turbo charger 5. What is meant by the acronym SAE? API? 6. Which oil has a higher viscosity, SAE 20 or SAE 40? What do you mean by viscosity? SERVICE AUTOMOTIVE ELECTRICAL COMPONENTS 1. What is the usual type of connections used in automotive circuits? 2. Referring to resistance infinite reading in a multimeter means 3. Why is it necessary to remove the battery negative cable first before removing the positive cable? 4. What would you do if a certain circuit in a vehicle caught fire due to short circuit? 5. Is it all right to use a fuse with a higher rating than specified? SERVICE UNDERCHASSIS COMPONENTS 1. If you were checking a conventional steering system, what additional parts should you include? 2. What important precautionary measure will you take when performing underchassis preventive maintenance? 3. What will be the basis or starting point in performing underchassis preventive maintenance? 4. What precautions must you take in bleeding hydraulic clutch system? SERVICE POWERTRAIN COMPONENTS 1. What will you do if an ATF or any other lubricant was spilled on any belts attached to the engine? 2. What is the correct level of ATF fluid? (Power Steering) based on the fluid reservoir?

3. What must be the condition of engine when checking the ATF level? 4. Based on your experience, enumerate four (4) other clutch failures? 5. In the dismantling of clutch mechanism, what major component should be dismantled first and why? 6. When do you consider that hydraulic clutch part has/ have to be replaced? 7. In the adjustment of clutch finger, what is the most reliable source of information with regards to specifications? 8. What are the specified procedures in overhauling hydraulic clutch linkage? 9. What are the specified procedures or steps in pulling out and mounting of clutch component parts? 10. What is the proper disposal of hydraulic fluid? 11. What would you do when clutch pedal free play is adjusted correctly but engine and transmission does not engage/ disengaged smoothly? 12. What is the basic qualification of a technician in order for him to be able to diagnose clutch, differential and front axle systems problems or trouble? 13. Why the clutch system is considered part of the power train? 14. What is overhauling? What are the basic procedures? 15. What is the substance that is used in checking differential tooth contact? 16. What is the advantage of hydraulic clutch linkage over a mechanical or cable linkage?