Ingersoll-Rand HC-103, User Manual

Page: 39 / 128

USER MANUAL
Series HC
Reference IR - 222 Rev 3
Page 39 10/17/2013
SECTION 4: (Continued)
4.4.5.3 AF-1400 and above (or optional HAF-1400)

Isolate the filter by closing the manual valves before and after the filter.

Completely depressurize the filter.

Open the handhole; be sure to have hold of the manway cover so as not to
lose it into the filter.

Remove the wing nut from the filter top plate(s) and remove the plate(s).

Remove the element(s) from the filter housing.

Inspect the filter base plate(s), t-bar(s), and filter union(s) (if applicable).
Replace as needed.

Install new element(s) to original position in housing.

Put back cover plate and wing nut.

Inspect o-ring or gasket. Replace if necessary.

Put back cover plate or yoke, then reattach yoke assembly and tighten.

Slowly repressurize the filter.

Check for air leaks with soap solution.

Place back into service.
4.5 FILTER ACCESSORIES
Advice
Pressure differential gauge:
Indicates the degree to which the elements are soiled.