Page 122 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

EXERCISE 6.2: Overhauling the oil pump, oil cooler, air

cleaners and oil pressure relief valve

Objectives

At the end of this exercise you shall be able to
• dismantle the oil pump
• check the clearances and endplay
• assemble the oil pump
• service oil cooler
• adjust oil pressure relief valve.

Requirements

Tools/Instruments Materials/Components
• Trainee’s tool kit - 1 No. • Tray - 1 No.
• Box spanner set - 1 Set • Cotton cloth - as reqd.
• Feeler gauge, Puller - 1 No. • Kerosene - as reqd.
• Straight edge - 1 No. • Soap oil - as reqd.
Equipments/Machines • Lube oil - as reqd.
• Oil filter - as reqd.
• Multicylinder diesel engine - 1 No. • Air cleaner filter - as reqd.

Procedure

1 Remove the oil sump. Fig 2
2 Remove the oil pump mounting bolts/nuts (1) (Fig 1).
3 Take out the oil pump (2) along with the strainer (3).
4 Remove the strainer assembly (3) from the pump.
5 Remove the oil pump end cover (4) (Fig 2).
6 Remove the pump cover packing (5).
7 Remove the idler gear (6) from the oil pump housing(7).
8 Remove the driving gear (9) with the shaft (8).
9 Press out the driving gear from the drive shaft.
10 Remove the woodruff key (10) from the driving shaft.
11 Remove the driving gear by using the puller.

Fig 1

105