DIPLOMA AUTO ENGG ENGINE RECONDITION LAB

ENGINE RECONDITION LAB

 

Subject Title                           :           ENGINE RECONDITION LAB

Sem                                         :           V

Subject Code                         :           A

Hours Per Week                    :           06

Hours Per Semester              :           96

 

TOPICS

 

CHAPTER NO

CONTENTS

NO OF HOURS

1

Engine dismantling

12

2

Cylinder Re boring

18

3

Valve reconditioning

15

4

Bearing setting

09

5

Engine Assembling

              24

6

Timing settings

09

8

Test & revision

09

 

Total

96

 

 

 

GENERAL INSTRUCTIONAL OBJECTIVES

 

Ø  Understand dismantling and cleaning of engine parts.

Ø  Know inspection of different engine components.

Ø  Know the procedure of cylinder re boring.

Ø  Understand the procedure of valve reconditioning.

Ø  Understand the procedure engine reassembly.

Ø  Know different engine timing settings.

.

 

SPECIFIC INTRUCTIONAL OBJECTIVES

 

LIST OF EXCERCISES

 

1.0  Dismantling of engine.

 

1.1  Practice on dismantling of petrol /diesel multi cylinder engine.

1.2  Practice on dismantling of cylinder head & its components.

1.3  Practice on dismantling of piston, piston pin & piston rings.

1.4  Practice on cleaning & inspection of each component.

1.5  Practice on crack detection of engine components.

 

 

 

2.0  Cylinder Re boring.

 

2.1  Practice on measuring ovality and taperness of each cylinders of a multi cylinder

engine.

2.2  Practice on setting of re boring machine and re boring.

2.3  Practice on de sleeving & sleeving.

2.4  Practice on honing cylinder bore.

 

3.0  Valve reconditioning

 

3.1  Practice on measuring valve angle.

3.2  Practice on valve seat cutting operation.

3.3  Practice on valve re facing machine & valve re facing operation.

3.4  Practice on valve lapping operation.

 

4.0  Bearing setting

 

4.1  Practice on checking twist and bend of connecting rod.

4.2  Practice on setting of main bearings & crank pin bearings.

4.3  Practice on crankshaft grinding.

 

5.0  Engine Assembling

 

5.1  Practice on assembling cylinder head components.

5.2  Practice on assembling piston rings, piston pin & piston assembly.

5.3  Practice on assembling of crank shaft & cam shaft.

5.4  Practice on assembling of Engine.

 

6.0  Timing settings

 

6.1  Practice on setting of valve timings.

6.2  Practice on setting of ignition timing.

6.3  Practice on setting of injection tim

 

7.0  Test & Revision.

 

 

 

 

 

 

 

 

 

 

 

List of tools, equipments and practicing equipments required.

 

1.0  Working multi cylinder petrol engines                                          02

2.0  Working multi cylinder diesel engines                                          02

3.0  Engine swivel stands                                                                    04

4.0  Bearing pullers                                                                              02

5.0  Piston ring expander                                                                     04

6.0  Piston ring compressor                                                                  04

7.0  Piston ring groove cleaner                                                 04

8.0  Piston ring filing jig                                                                      04

9.0  Valve spring compressor                                                               04

10.0          Combination set                                                                      02

11.0          Neon timing lamp                                                                   02

12.0          Cylinder bore gauge                                                                02       

13.0          Valve seat re conditioning kit                                                 02

14.0          Dial gauge with magnetic stand                                             02

15.0          Torque wrench                                                                        02

16.0          Ridge reamer                                                                           01

17.0          Hydraulic press 05 T                                                               01

18.0          Air compressor                                                                        01

19.0          Re boring machine                                                                  01

20.0          Crankshaft grinding machine                                                  01

21.0          Connecting rod alignment jig                                                 01

22.0          Cylinder honing machine                                                        01

23.0          Pillar type drilling machine                                                     01

24.0          Arbor press                                                                              01

 

 

 

 

 

 

 

Important Note :

 

1.            Overhauling includes Dismantling, Cleaning, Inspection, Repair / Replacement of worn parts, Reassembling  with necessary adjustments.

2.            For every Exercises mention the detailed Trouble shooting chart  in the Lab records

3.            In an exercise, if there are any specific measurements & tightening torque values,mention the values of measurements & tightening torques in the form of tables.

4.            The lab-record must have the following contents for each exercise :

 

a. Aim .

b.Tools & Equipments required

c. Procedure

d.      Precautions if any

e. Results / Reports

f. Troubling shooting  chart.

 

 

 

 

SCHEME OF EVALUATION

 

1.0  Writing procedures for two experiments              5 + 5    =          10

2.0  Execution / Conduction of two experiment                     =          60

3.0  Conclusion / output / result                                               =          05

4.0  Viva voice                                                                         =          20

5.0  Lab record                                                                         =          05

 

Total               =          100

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