MECHANIC MOTOR VEHICLE 2nd year WEEK WISE NSQF SYLLABUS (SPILT UP)

WEEK. NO. 01

1. Reference Learning Outcome :- Plan & perform maintenance, diagnosis and servicing of transmission system. (Mapped NOS: ASC/N1404, ASC/N1405)
2. Duration :- Professional Skill 185  Hrs; Professional Knowledge 50  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Introduction: Study of different major components & assemblies of heavy vehicle, and different make (indigenous).
  • Name plate-constructional differences and their merits.
  • leading manufacturers in Heavy vehicle Industry

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 84. Identify different major components of Heavy vehicle and their function & placement study of different make lorry/busin Institute with different dealers or organizations. (18 Hrs)
• 85. Practice on adjusting clutch pedal play-removing gearbox and clutch assembly from Light & Heavy Vehicle. (09 Hrs)

WEEK. NO. 02 & 03

1. Reference Learning Outcome :- Plan & perform maintenance, diagnosis and servicing of transmission system. (Mapped NOS: ASC/N1404, ASC/N1405)
2. Duration :- Professional Skill 185  Hrs; Professional Knowledge 50  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Clutches & Manual Transmissions-Clutch principles, Single-plate clutches, Multi-plate clutches, Dual mass flywheels, Operating mechanisms Clutch components- Pressure plate, Driven/ centre plate, Throw-out bearing.
  • Manual transmissions- Gear ratios, Compound gear trains, Gear selection, Bearings, Oil seals & gaskets,
  • Brief about Automated Manual Transmission (AMT)
  • Gearbox layout & operation-
  • Gearbox layouts, Transaxle designs, Gearbox operation, Baulk-ring synchromesh unit, Transaxle synchromesh unit.
  • Gear shift mechanism.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 86. Perform Dismantling clutch assembly, cleaning inspecting parts. (10 Hrs)
• 87. Carryout Removing & fitting of new pilot bearing, removing & fitting of ring gear in fly wheel relining a clutch plate, checking condition of flywheel and pressure plate surface for reconditioning. (10 Hrs)
• 88. Perform Assembling of pressure plate adjusting the fingers checking run out of fly wheel and aligning clutch assembly with flywheel. (08 Hrs)
• 89. Perform Dismantling cleaning and assembling of gearshift mechanism changing oil in gear box. (10 Hrs)
• 90. Practice Dismantling a synchromesh gear box, cleaning, inspecting parts replacing worn out defective parts assembling & testing for correct performance identifying noises from gear boxes and rectifying. (10 Hrs)

WEEK. NO. 04, 05 & 06  

1. Reference Learning Outcome :- Plan & perform maintenance, diagnosis and servicing of transmission system. (Mapped NOS: ASC/N1404, ASC/N1405)
2. Duration :- Professional Skill 185  Hrs; Professional Knowledge 50  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Final Drive & Drive Shafts – Basic layouts
  • Front-wheel drive layout, Rear-wheel drive layout, Four-wheel drive layout, All-wheel drive layout, 4WD v/s AWD
  • Front-wheel drive, Front-wheel drive shafts, Front-wheel final drives, Front-wheel differentials
  • Rear-wheel drive- Propeller shaft, Type of Universal joints, Type of Constant velocity Joints, Rear-wheel final drives, Salisbury axles, Rear-wheel drive differentials, Limited slip differentials.
  • Four-wheel drive- Four-wheel drive shafts, Four-wheel final drive, Four-wheel drive transfer case, Freewheeling hubs, Four-wheel drive differentials
  • All-wheel drive- four wheel final drives,
  • All-wheel drive transfer case, Transfer case differential action.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 91. Practice on Removing open type propeller shaft from vehicle, Practice on removing universal joints, cleaning replacing worn out parts, re-assembling & refitting to vehicle- and their alignment, including front wheel drive and all wheel drive of LMV. (15 Hrs)
• 92. Practice on FWD Driveshaft Removal and Replacement. (15 Hrs)
• 93. Practice on overhauling & inspection of rear axle. (15 Hrs)
• 94. Practice on overhauling & inspection of differential assembly. (15 Hrs)
• 95. Perform Trouble shooting – causes and remedy for clutch slip, clutch noise, clutch binding, hard clutch, gearbox noise, gear slip, rear axle noise, propeller shaft noise, universal joint noise, differential noise. (15 Hrs)

WEEK. NO. 07 

1. Reference Learning Outcome :- Plan & perform maintenance, diagnosis and servicing of transmission system. (Mapped NOS: ASC/N1404, ASC/N1405)
2. Duration :- Professional Skill 185  Hrs; Professional Knowledge 50  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Automatic Transmissions – Torque converters, Torque converter principles, drive plate, Converter operation, Torque multiplication, Fluid flow, Heat exchanger, Lock-up converters, clutches.
  • Planetary gearing- Planetary gears, Simple planetary gear sets, Compound planetary gear sets, Automatic transmission brake bands, Multi-disc clutches, Electronic control transmission -Electronic control Unit, Fully hydraulically controlled transmission, Electronic shift programs, Manual selection.
  • Layout & operation for P,R,N&D (First & Second)
    Selector positions, Planetary gear set, High range power flow, Low range power flow Servos & clutches-Rear servo, Front servo, One way clutch, Multi-plate front clutch, Clutch pack, Rear clutch.
  • Hydraulic system & controls-Hydraulic system components, Spool valves, Regulating or flow control valves, Control valves, Orifices
  • Valve types & functions- Basic valve action, Regulator & control valves, Shift & governor valves
  • Pressure regulation- The primary regulating valve, Line pressure variation, Modulator valve pressure, The governor, Governor pressure, Kick down pressure.
    Flow control- Gear position 1, 1-2 shift valve, 2-3 shift valve assembly, The servo orifice control valve, 3-2 kick down
  • Continuously variable transmission (C.V.T.) – Continuously variable transmission, Drive or reverse, The steel belt, Secondary pulley shaft.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 96. Identify Automatic transmission components (5 Hrs)
• 97. Check automatic transmission fluid and replace transmission fluid & filter. (10 Hrs)
• 98. Practice on oil pressure control cable play adjustments, Inspection of shift lever switch, throttle position sensor, speed sensor and automatic transmission wiring harness coupler. (20 Hrs)