Figure 40. Air preheater parts, exploded view.
Section X. CONTROLS AND 'INSTRUMENTS
Discharge Pressure Gage
Cleaning and Inspection.
(1) Clean the gage with a cloth
(1) Disconnect the Y8-inch pipe at the
dampened in cleaning solvent; wipe
dry. Wash the glass carefully.
(2) Remove the three screws, nuts, and
(2) Inspect the gage for cracks, breaks,
stripped threads, or other damage. If
the instrument panel; remove the
the gage is suspected of being faulty,