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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