Page 18 - MAEE - TP - Hindi

Transistors- Description of NPN, PNP,
field-effect transistor (FET),
phototransistors. Description of Inte-
grated circuits. Circuit protection de-
vices- Description of fuses, different
type of fuses- glass or ceramic, blade
and bullet or cartridge fuses. Fusible
links, maxi fuses, circuit breaker, Posi-
tive Temperature coefficient (PTC) re-
sistor device. (07 hrs)
Professional Trace /troubleshoot 36 A Diagnosis and remedy for- Speed- Wiring and circuit diagrams- Automo-
Skill 28Hrs; different wiring cir- ometer shows no operation, fuel tive wiring. Comparison between solid
cuits in vehicle and level meter shows no operation, and stranded primary wire. Description
Professional prepare different coolant temp meter shows no op- of wire size- Metric and American wire
Knowledge electrical joints. eration, Oil pressure light shows no gauge (AWG), Importance of ground
05 Hrs lighting. (28 hrs) straps used in automotive wiring. De-
scription of different type of terminals
and connectors- Molded, multiple-wire
hard shell, bulkhead, weather-pack,
metri-pack, heat-shrink covered butt
connectors. Importance of printed cir-
cuit boards, wiring harnesses, wiring
diagrams and color codes and circuit
numbering. Study of common electri-
cal and electronic symbols used in
wiring diagrams. (05 hrs)
Professional Check and overhaul 37 Check and replace ignition coil, Ignition principles and Primary and
Skill 28 Hrs; the ignition system. Check ignition timing, Checking secondary winding of Ignition compo-
& changing a spark plug (04 hrs) nents, Spark plugs, Spark plug com-
Professional 38 Diagnosis- Possible causes and ponents, ballast resistor coil, Dwell
Knowledge remedy for Engine cranks, but will angle, Spark timing. Battery power
04 Hrs not or hard to start, Poor fuel source, Description and function of Ca-
economy or engine performance. pacitor/condenser, High-tension leads,
(06 hrs) Induction wiring, Hall effect sensors,
39 Identification and testing of Hall ef- Hall effect operation, Optical type sen-
fect sensor, Optical sensor. (08 hrs) sors Distributor less ignition systems,
40 Tracing and testing of sensor cir- Insulated coils, Distributor less ignition
cuits.(05 hrs) system timing. (14 hrs)
41 Tracing of Distributor less ignition
systems circuit. (05 hrs)
Professional Apply appropriate 42 Removing starter motor from v e - Starting system- purpose of starting
Skill 56Hrs; rule and tools for hicle, and Performance test for pull- system, Staring system components,
starting and Charg- in test, Hold-in test, pinion (plunger) Starter motor principles, study of
Professional ing system and di- return test, No- load performance starter control circuits. Starter motor
Knowledge agnose & rectify test. (08 hrs) construction, Starter magnet types,
10Hrs faults. 43 Solenoid test for Hold in coil open Starter motor engagement, Commuta-
circuit, Armature test - Ground test, tion, Switching, solenoid construction.
Open circuit test, pull-in coil open (05 hrs)
circuit test, field coil test. (04hrs)
44 Inspections of brush length wear as
per service manual. (02 hrs)
45 Trouble shooting, possible causes
and remedy for starter motor not
running, Starting motor running but
too slow (small torque), staring mo-
tor running, but not cranking engine.
Noise, starting motor does not stop

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