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ABOUT UTTARAKHAND MANDALIYA KARYALIYA, KATHGODAM

INDUSTRIAL TRAINING PRESENTATION ON REGIONAL WORKSHOP OF UTC(UTTRAKHAND TRANSPORT CORPORATION). BY :VISHAL BISHAWAKARMA. ABOUT UTTARAKHAND MANDALIYA KARYALIYA, KATHGODAM.

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ABOUT UTTARAKHAND MANDALIYA KARYALIYA, KATHGODAM

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  1. INDUSTRIAL TRAINING PRESENTATION ON REGIONAL WORKSHOP OF UTC(UTTRAKHAND TRANSPORT CORPORATION) BY :VISHAL BISHAWAKARMA

  2. ABOUT UTTARAKHAND MANDALIYA KARYALIYA, KATHGODAM WORKSHOP FOR UTTARAKHND ROADWAYS BUSES IS SITUATED IN KATHGODAM AND IS BEST KNOWN AS UTTARAKHAND MANDALIYA KARYALIYA. MAINTENANCE WORK OF ROADWAYS PASSANGER VEHICLE IS DONE HERE WHICH INCLUDES SPARE REPLACEMENT ,LUBRICATION , INSPECTION ,REPAIR,TESTING ETC OF DIFFERENT PARTS OF VEHICLES. MOST OF JOB IS MANUALLY IN DIFFERENT SECTION PROVIDED FOR MAINTENANCE AND REPAIR OF DIFFERENT PARTS OF AUTOMOBILE.

  3. SERVICES The constructed parts are supplied to the following Roadways Depots as per the need. • Ranikhet  Depot • Kashipur Depot • Bhowali Depot • Almora Depot • Haldwani Depot • Ramnagar Depot

  4. WORKSHOP HAS FOLLOWING SECTIONS: 1) Engine Section. 2) Gear Box and Clutch Section. 3) Spring Section. 4) Fuel Injection Pump Section. 5) Axel Section. 6) Electric Section. 

  5. ENGINE SECTION

  6. Diesel engine of buses used in roadways buses is manufactured of tata and Ashok Leyland. Both engine are 6 cyinder turbo chaged intercooled Diesel engine. Engines of the following buses are repaired in the workshop • TATA- 1312 • TATA- 1520 • TATA- 1210 • LEYLAND

  7. SPECIFICATIONS OF ENGINE-: • MODEL – T.C. 1312 (TATA). • NUMBER OF CYLINDER – 6. • BORE SIZE – 102 mm. • FUEL USED- DIESEL. • FIRING ORDER- 1-5-3-6-2-4 • INJECTION PRESSURE- 175-180. • AVERAGE – 5-6 km/lt.

  8. COMPARISON B/W TATA AND ASHOK LEYLAND DIESEL ENGINE

  9. PARTS OF ENGINE:- • There are following parts of an Engine-: • Cylindrical Head. • Oil Pump. • Cylinder Block. • Piston. • Crank Shaft. • Cam Shaft. • Cooling Fan.

  10. 8. Radiator. • 9. Valve Mechanism. • 10. Self-Starter • 11. Fly Wheel. • 12.Cooling Plate. • 13. Dumper Pulley. • 14. Vibration Dumper Pulley. • 15. Water Pump. • 16. Timing Plate Housing. • 17. Push Rod.

  11. 18. Diesel Filter. • 19. Tappet. • 20. Gudgeon Pin. • 21. Alternator. • 22. Turbo Charger.        

  12. LUBRICATION SYSTEM 1) OIL PUMP 2)OIL SEALS 3)ENGINE OIL DIP STICK 4)OIL FILLER CAP ON TOP SECOND CYLINDER 5)OIL FILTER 6)OIL PASSAGES 7)OIL PAN

  13. ACCESSORIES DRIVEN BY ENGINE THOSE DRIVEN BY TIMING GEARS • CAMSHAFT • OIL PUMP THOSE DRIVEN THROUGH BELTS • AIR COMRESSOR • FUEL PUMP • RADIATOR FAN

  14. WAY OF SERVICING • The whole engine is dismantled manually and the oil is removed from sump • Main shaft bearing, sliding contact bearing , plastic passages for oil is replaced by new one . • Cleaning of engine block and other parts . • Piston rings which is of three types pressure rings , oil rings , oil ring and top ring also replaced by new one. • After replacing all worn out parts the engine is assembled and tested by employing fuel pump and overflow pipe to the tank which is fuel filled.

  15. Fuel Pump Section

  16. Fuel Pump used In Diesel Engine F.I. Pump is used for carrying the in correct amount time, high pressure and reaches it to injector in it the injection pressure is 7 to 30 M Paand is Bosch

  17. Parts of F.I. Pump-: 1. Delivery Valve.      10. Air Nipple. 2. Delivery valve spring.     11. Hand Primer. 3. Plunger.       12. Cotton Glassy. 4. Pump housing.      13. Paper Glassy. 5. Control pack.      14. Idling. 6. Plunger Return spring.     15. Lever Washer 7. Control sleeve.      16. Control Rod 8. Cam Shaft.                                           17. Sluing Lever 9. Feed Pump.                                         18. Fly Weight

  18. SPECIFICATION OF F.I. PUMP-: Model -Bosh Type F.I. Pump  Injection Pressure - 7 to 30 M Pa.  CAM Sequence - 1-5-3-6-2-4.  Direction of Rotation -Clock Wise. 

  19. WORKING PRINCIPLE-: Fuel by suck fuel pump from the tank at low pressure with the help of filter. Fuel is supplied to unit injector where its pressure is increased. And the high pressure fuel is then supplied to the engine cylinders at appropriate time. Any extra fuel goes again to tank through relief valve. 

  20. TESTING OF FUEL PUMP Testing of fuel pump is done on fuel pump is done fuel pump test bench which • Measuring each cylinder delivery at any speed. • Checking of each cylinder injection timing with static . • Check the pneumatic control performance.

  21. TEST BENCH

  22. GEAR BOX SECTION PARTS OF GEAR BOX-: 1. Main Shaft      10.Spring Washer 2. Counter Shaft     11.Oil Seal 3. Shifting Rod     12.Front Cover 4. Gear Box Housing      13.Butt Rings 5. Cover Plate      14.Hub and Bush 6. Bearing and Sleeve    15.Synchronizer 7. Fork       8.Drive Shaft 9.Gear Box Cover Rear

  23. ASSEMBLY-: Counter Shaft adjusts in Gear Box which is made up of Cast Iron by Casting. There are Five Gears in counter shaft. Main shaft acts as a base purpose shaft. The main shaft is assembled in which there are 6 helical gears. There are 5 forward and 1 reverse gear. In these sleeve fork fits after the shifting rod.

  24. Number of Teeth in each Gear-: • In Main Shaft-: • First Gear - 39 • Second Gear – 32 • Third Gear – 25 or 26 • Fourth Gear – 19 or 20 • Fifth Gear – 17

  25. In Counter Shaft-: • First Gear – 11 • Second Gear – 17 • Third Gear – 23 or 24 • Fourth Gear – 29 • Fifth Gear – 36

  26. THANK YOU

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