Repair & Overhauling of Chassis System (Heavy Vehicle) : For Modular Employable Skills
- Chennai National Instructional Media Institute (NIMI) 2010,c2009
- 186
Contents
1.Practical -Identify Different Parts of chassis -Remove Clutch Plate From Vehicle ,Check for Defects Rectify and Refit -Remove Gear Box From Vehicle ,Dismantle, Check ,Fill Lubricating oil and Assemble -Align Gear Selector Fork -Remove CV Joint, Dismantle,Lubricate and Refit -Remove Crown wheel ,Pinion and Bearings Clean Parts -Check and adjust parking Brakes and service Brake -Overhaul wheel Cylinder and Drum /Disc Brakes ,Dismantle Wheel brakes Assembly -Check Fail Safe System and Rectify Defects ,overhaul Phenumatic Valves -Remove and clean Brake Drums, check Disc/Drum Runout,Fit New Cups and Brake hoses-Assemble adjust All Four -Check and correct steering Geometry -Remove and Refit Streering Boxes from Vehicle Check and Top up Oil Steering Box ,check and adjust Steering Wheel play and Backlash . -Overhaul Hydraulic Power Assisted Steering System Pumps -Remove and Refit a Leaf spring as an Assembly in a Vehicle,Change Rubber Bushes of shock Absorbers -Overhaul Front suspension -Remove Tyre, Inspect/Check and Assemble -Rotate the Tyres -Remove and Refit Head lamp -Check for Electrical Defects and Rectify -Do Final Road test -Observe for Noise ,Vibration and Harshness from Different Part of chassis
2.Theory -Transmission -Power Flow from Engine to wheels units and Definition -Description of Single Plate Clutches ,Functions of Different Parts of Clutch -Type of Gears and Their Application-Advantages and Disadvantages -Gear Ratio ,Type of Gear Box ,Wokring Principle of Construct mesh Synchromesh Gear Boxes -Gear Selection Mechanism ,Lubrication to Transmission System ,Gear Box -Working Principle of Constant Velocity Joints and Fault in CV Joints -Working principle of Differential and Faults in Differential -Brake Lining,Pads and Fluid ,Brake Diagnostic -Working Principle of Brake Components -Brake Booster ,Tandem Master Cylinder Caliper Assembly wheel Cylinder and Different Braking Force Control Valves -Single Line Air Brake System -Introduction to anti -Lock Braking System (ABS) -Steering -Types of Steering Gear ,Power Assisted Steering (hydraulic and electronic) -SUSPENSION- Introduction ,Requirement ,Types -Suspension -Torsion Bar Suspension MC Pherson Strut,Shock Absorber and checks on Suspension System and Fault Diagnosis -Wheels & Tyre -Necessity,Functions ,Designation and defect Analysis -Procedure for Tyre Rotation -Fundamental Electrical Principles-Ohm's Law -Fault Finding in Electrical Circuits -Final Road test -Observation of noise ,vibration and harshness from Different Part of Chassis