13 62-12119
c. Clean the coil using a low pressure water hose. The preferred
wash direction is inside to outside. Refer to Figure 13. The
direction is opposite to air flow direction.
NOTE
Static application of container units may require more fre-
quent cleaning due to subjected environment conditions.
d. Check for signs of excessive corrosion to the fins and tube
sheets. Replace as necessary.
Figure 13 Gas Cooler Coil Cleaning
20. High Pressure Expansion Valve (HPXV). Refer to Figure 14.
a. Make sure the HPXV coil is snapped down fully and the coil
retention tab is properly seated in one of the valve body dimples.
b. Ensure that the coil boot is properly fitted over the valve body.
Figure 14 High Pressure Expansion Valve (HPXV) and Coil
Not Seated
Seated
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