Pull and install a new chip

[Irlpguy]

If I may ask Dick, why are you replacing them? Assuming they have gone west and you have been supplied with new ones. They are most likely IC's or Integrated Circuits and you are fortunate they were not soldered directly to the circuit board as some are.
There are tools for removing IC's but you must be careful you do not damage traces under the "chip" or IC. The tool I use is like needle nose pliers but has a wide jaw that grips a good portion of the IC on both sides, needle nose pliers grip only a small amount of the IC.

If they are not intended to be reused then it really does not matter but take care in installing the new ones and make sure they are in the correct way or much damage will be done. There is usually an identifying mark on the IC to indicate pin (1) so take note of where that is when you pull the old ones.

Pretty fragile stuff so be as gentle as possible.