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-:
SPECIFICATIONS OF ENGINE-:
MODEL – T.C (TATA).
NUMBER OF CYLINDER – 6.
BORE SIZE – 102 mm.
FUEL USED- DIESEL.
FIRING ORDER
INJECTION PRESSURE
AVERAGE – 5-6 km/lt.

8. COMPARISON B/W TATA AND ASHOK LEYLAND DIESEL ENGINE
SERIAL NO.
PARAMETER
TATA ENGINE
ASHOK LEYLAND ENGINE 1.
ENGINE TYPE
DIESEL ENGINE 2.
NO. OF CYLINDER 6 3.
CYLINDER ARRANGEMENT
INLINE 4.
LUBRICATION TYPE
PRESSURE LUBRICATION BY ROTARY PUMP 5.
POWER OUTPUT
125 HP
135HP 6.
TURBOCHARGER
YES 7.
OIL PUMP
ROTARY 8.
COMBUSTION CHAMBER
DIRECT INJECTION(HEMISPHERIC DISHED PISTON)

9. PARTS OF ENGINE:- There are following parts of an Engine-:
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 Pa and is Bosch

17. Parts of F.I. Pump-:
1. Delivery Valve.      Air Nipple.
2. Delivery valve spring.     Hand Primer.
3. Plunger.       Cotton Glassy.
4. Pump housing.      Paper Glassy.
5. Control pack.      Idling.
6. Plunger Return spring.     Lever Washer
7. Control sleeve.      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  
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

24. 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.

25. 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

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

27. THANK YOU