Department of automobile engineering

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Figure 16 INJECTION PUMP

PRECAUTION:-

Maintain absolute cleanliness in this job.
Bring the speed of the test bench to minimum before stopping it.
Set the speed when the machine is running.

Figure 17 ‘MERLING’ FUEL INFECTOR MACHINE

NO.	Faults	Causes	Remedies
(i)	Lose of power	Incorrect fuel or dirty Fuel. Restricted fuel system. Pinged fuel tank. Plunged fuel filter. Plunged nozzle.	Flash system Clean Clean Replace Replace
(ii)	Noise rap from one Or more cylinder.	Air in fuel system. Engine problem nozzle Sticking open.	Check & correct Replace deleting nozzle.
(iii)	Engine cranks but will not start	In correct ordinary fuel. No fuel to F.L. pump. Plunged fuel system. Pump timing off.	Flash system Check it Check clean Retime
(iv)	Rough idle no. abnormal noise or smoke	Low idle incorrect injection line tank. Restricted fuels return line. Incorrect or dirty fuel.	Retime adjust a fix tank Check return line clean Flash system use correct data

Figure 18 DIFFERENT INJECTORS

EVALUATION TABLE:

Involvement/Performance	Calculation/Preparation	Viva Voce	Total
5	3	2	10

Date: Signature of faculty member

EXPERIMENT: - 6 DATE:-

^A^I^M^:^S^e^r^vⁱ^cⁱ^ng^{& T}^e^s^t^ing^Of^Iⁿ^j^e^c^t^o^r

Objective: After completion of this experiment student will be able to know.

Testing of injector like spray test, drop test, pattern test and pressure test
Servicing and maintenance of injector
Method of operating injector tester

DESCRIPTION:

^P^r^oced^u^r^e^:

^T^he^first^s^t^e^p^w^h^eⁿ^a^s^e^t^o^fⁱ^nj^e^ct^o^r^s^a^rr^iv^e^sⁱⁿ^the^s^h^o^pⁱ^s^e^a^chⁱⁿ^j^e^ct^o^rⁱ^sremoved from the box and is inspected for physical damage and/or missing parts.

Directory: automobile -> Practical -> sem6
automobile -> Certificate
automobile -> Arslan Khan Durrani
automobile -> Address to the Australian Automobile Association
automobile -> Advancing integrity
automobile -> Automobile Production
automobile -> Training plan automobile mechanic
automobile -> Delete box, or place text or logo here
sem6 -> Laboratory manual experiment
sem6 -> Department of automobile engineering

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