Page 236 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

• Position the X axis in the middle of the x axis movement
• Remove the telescopic cover at both ends.
• Observe the over travel limit switched in both direction that is x - and x +.
• Similarly position the z axis movement in the middle of the lathe bed.

• Open the telescopic cover at both the ends and observe the observer travel limit switches.
• Refix the telescopic cover , take care no dust practical should enter into the remove slide.
• Fig 2 shows the x axis dog and limit switch
• Fig 3 shows the z axis dog and limit switch

Fig 2 Fig 3

TASK 2 : Identification emergency stop bush button
Emergency stop button are designed in such a manner in which their role is more physical, such as interrupting
a power supply to the machine control system. It is a basic big red pushbuttons fixed on machine control panel.

Emergency stop pushbutton that has mechanical plastic or metal tabs and grooves internally such that when you
push it (interrupting the circuit), it is held in that position until you twist it. They are designed to be large, hard to
miss, and easy to push sample is given Fig 1.
Note : Pratice to put off and relace the emergency switch.
Caution: Do not try to rotate in anticlockwise direction.

Fig 1

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CITS : C G & M - Fitter - Exercise 55 CITS : C G & M - Fitter - Exercise 55