Page 120 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 5.8: General maintenance of fuel injection

pumps

Objectives

At the end of this exercise you shall be able to
• carry out maintenance of F.I.P.

Requirements

Tools/Instruments Materials/Components
• Trainee’s tool kit - 1 No. • Cleaning tray - as reqd.

Equipments/Machines • Cotton cloth - as reqd.
• Soap oil - as reqd.
• Multicylinder diesel engine - 1 No. • Bleeding screw - as reqd.
• Nut and bolts - as reqd.
Procedure

1 Check the F.I.P mounting bolt and tighten if necessary.
2 Check the F.I.P governor’s lubrication oil if necessary top up.
3 Check the fuel line leakages if found leakage and rectify it.
4 Check the control rod movement if sticky and correct the rack rod - movement.

5 Check the fuel feed pump operation and pressure of fuel injection.
6 Check the high pressure line mounting and leakages.
7 Check the engine idle speed adjustment screw. If necessary, adjust it.
8 Check the F.I.P function during engine starting. If necessary, bleed the fuel line.
9 If struggling to start the engine after bleeding the fuel system, recommend to overhaul the F.I.P & injectors.

10 Lubricate the accelerator linkage and ensure the proper operation.

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