Koolaire KD0172A, Technician'S Handbook

Page: 116 / 132

116 Part Number STH047 5/16
11. Operate the ice machine for one hour. Then, check
the pressure drop across the suction line filter-drier.
A. If the pressure drop is less than 2 psig, the filter-
drier should be adequate for complete cleanup.
B. If the pressure drop exceeds 2 psig, change the
suction line filter-drier and the liquid line drier.
Repeat until the pressure drop is acceptable.
12. Operate the ice machine for 48 – 72 hours. Replace
the suction line and liquid line drier if necessary.
13. Follow normal evacuation procedures.