Author Question: Which safety precaution should be exercised when working with refrigerants? (Read 264 times)

newyorker26 · **on:** Oct 6, 2021

Question 1

Which procedure should be used to charge an air-conditioning system while the engine is running?

◦ Relieve the cooling system pressure.
◦ Add refrigerant to the low side.
◦ Add refrigerant to the high side.
◦ Add oil to the high side.

Question 2

Which safety precaution should be exercised when working with refrigerants?

◦ Keep elevated areas open, because the refrigerant vapours will rise.
◦ Puncture the refrigerant tank after charging the A/C system.
◦ Never expose refrigerant to an open flame.
◦ Use a heat gun to heat refrigerant tanks when charging a system.

wergv · **Reply #1 on:** Oct 6, 2021

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