Page 325 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

MODULE 18: Stationary Engine and Sub System

EXERCISE 18.1: Servicing of PT Fuel System

Objectives

At the end of this exercise you shall be able to
• To dismantle clean, inspect and assemble the PT injector
• To dismantle clean, inspect and assemble the PT Pump
• To dismantle clean, inspect and assemble the fuel filter
• To test the spray pattern & opening pressure.
Requirements

Tools/Equipments Materials
• Trainee’stoolkit - 1 No. • Tray - as reqd.
• PT fuel system Diesel engine - 1 No. • Cottoncloth - as reqd.
• PT Injector - 1 No. • Kerosene - as reqd.
• Injector holding fixture - 1 No. • Diesel - as reqd.
• Air compressor - 1 No.
• Bench vice - 1 No.

Procedure

TASK 1: Servicing of PT fuel filter
1 Shut down the main fuel tank fuel cock.
2 Remove the drain plug of fuel filter and drain the fuel .
3 Remove the fuel filter inlet hose pipe and hold the pipe at a higher level than the float tank fuel level.
4 Remove the fuel filter outlet line hose pipe to the PT fuel pump .
5 Remove fuel filter mounting bolts and place the fuel filter on metal tray .
6 Remove the center bolt of the fuel filter casing .
7 Detach the filter casing, cover and filter element.
8 Clean the filter casing thoroughly inner and outer side and as well as filter cover.
9 Fix the drain plug on the filter casing .

10 Replace with a new fuel filter element and new gasket on the casing .
11 Refix and tighten the center bolt as per manufacturers recommended torque.

TASK 2: Servicing of PT fuel Pump

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