Reading Gauges

Fig. 2 A/C system diagnosis chart (Part 1 Of 3):

Fig. 2 A/C system diagnosis chart (Part 2 Of 3):

Fig. 2 A/C system diagnosis chart (Part 3 Of 3):

Refer to Fig. 2 for inspection of air conditioning system using a manifold set. Read the pressure on the gauge set only after conditions A, B, C and D (at the top of Fig. 2) have been established.