Page 203 - CITS - Fitter Trade Practical - Volume -2
P. 203

FITTER - CITS



           Strainer/Filters should be clean periodically as per recommendation.
           Replace with new filter, if the existing filter damaged.

           While replacing new strainer, care should be taken to select the correct strainer.
           Checking the gasket of the top, cover of the reservoir for proper seating.

           Preparing the power pack for an operation

           Objectives:At the end of this exercise you shall be able to
           •  prepare the power pack for an operation.


           A power pack can perform well only if it is in an ideal condition.  So before putting on a hydraulic system, the power
           pack should be checked for it prepareness.
           Check the proper mounting of all units.
           Check the coupling between motor and pump for freeness, before mounting the top plate.

           Check and confirm oil level (Fig 1).

                    Fig 1

























           If oil level is less than the mark, fill the correct grade of oil.
           Keep the reservoir clean and clear all unnecessary things around and underneath the reservoir.

           Check for proper tightening of all connecting hoses.
           Check whether the breather is placed properly.
           Oil drain hole is plugged and no oil leakage.


           Starting and setting the pressure in a power pack

           Objectives:At the end of this exercise you shall be able to
           •  starting and setting the pressure in a power pack.


           Switch on the electric motor of the power pack.
           Confirm no loose ends of pipes exist before switch on the motor.

           Observe and confirm the direction of rotation of the motor as indicated in the motor body (Fig 1).



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                                            CITS : C G & M - Fitter - Exercise 90
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