Page 204 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

Put off the motor if it rotates in the opposite direction and call electrician.
Observe the pressure in the pressure gauge.
Now get the required pressure on the pressure relief valve (Fig 2).

Rotate clockwise to increase pressure and vice versa.

Fig 1

Fig 2

Removal of an inlet filter

Objectives:At the end of this exercise you shall be able to
• removal of an inlet filter.

The procedure for removing the inlet filter depends on the construction of the power pack. The suction strainer
is usually placed immersed in the oil and locating it needs some experience.
Open type of reservoir (Fig 1)
Fig 1

In a open type reservoir, the steps to be followed are
Put off hydraulic system.
Remove the top cover plate.

Keep your hand clean.
Insert your hands inside the oil and locate the suction strainer.

189

CITS : C G & M - Fitter - Exercise 90