TM 9-4120-388-14
4-66. CONDENSATE TRAPS - Continued.
b. Inspection.
(1) Check balls, springs, and cotter pins for nicks and wear.
(2) Replace balls if they are nicked or have any damage that would keep them from sealing properly.
(3) Replace springs if they are worn or have any damage that would keep them from applying pressure to balls.
Cleaning.
c.
(1) Pour some clean fresh water into condensate drip pan.
(2) If water does not flow out of the ends of the drain tubes or has a muddy appearance, insert a flexible wire
up the drain tube. Agitate until dog and accumulated debris are loose.
(3) Pour additional water in the drip pan until an unrestricted flow of clean water pours from the ends of the
drain tubes.
(4) Be sure the springs, balls, and ball seats (end of drains where balls and springs are inserted) are clean.
d. Installation.
(1) Insert balls and springs. Be sure that balls are above springs.
(2) Depress springs far enough to install cotter pins.
(3) Secure cotter pins.
(4) Slip drain hoses up and in place on casing drain tubes.
(5) Secure clamps.
(6) Secure (push in place) drain connection tubes in spring retainers on casing sides.