TM 5-3805-262-20
REASSEMBLY
a. Position inlet valve (8) on stem (6).
b. Install stem (6) with inlet valve (8) in body (9).
c . I n s t a l l s p r i n g s e a t ( 7 ) , s p r i n g ( 3 ) , a n d s t r a i n e r ( 2)
in body (9).
d . I n s t a l l c a p ( 1 ) a n d t i g h t e n s e c u r e l y.
e. Install button (5) on stem (6) and secure using cotter
pin (4). Bend cotter pin over.
TESTING
a .
b .
c .
d .
Install 1/4NPTF air hose fitting in air horn valve assembly input port and
connect source of compressed air to fitting.
Apply 80 psi air pressure to air horn valve assembly.
Apply soap solution to air horn valve assembly output port and stem. Check for
air bubbles. If air bubbles are seen at output port, air horn valve assembly
must be disassembled and parts inspected and replaced. If air leakage at stem
makes a bubble that is larger than one inch in one second; disassemble air
horn valve assembly and inspect parts. Replace damaged or worn parts as neces-
s a r y .
Disconnect air supply and remove 1/4NPTF air hose fitting from air horn valve
assembly.
INSTALLATION (SHEET 1 OF 3)
Dry cleaning solvent P-D-680 used to clean parts is toxic and flammable.
W e a r p r o t e c t i v e g o g g l e s a n d g l o v e s a n d u s e o n l y i n a w e l l v e n t i l a t ed
a r e a , A v o i d c o n t a c t w i t h s k i n , e y e s a n d c l o t h e s a n d d o n ’ t b r e a t h e
vapors. Do not use near open flame or excessive heat and don’t smoke
w h e n u s i n g i t . F a i l u r e t o d o s o c o u l d c a u s e s e r i o u s i n j u r y . I f y ou
b e c o m e d i z z y w h i l e u s i n g c l e a n i n g s o l v e n t , g e t f r e s h a i r a n d m e d i c a l .
a t t e n t i o n i m m e d i a t e l y . I f c o n t a c t w i t h s k i n o r c l o t h e s i s m a d e , f l u sh
w i t h l a r g e a m o u n t s o f w a t e r .
If contact with eyes is made, wash eyes
with water and get medical aid immediately.
a. Clean all metallic parts using clean cloth moistened with cleaning solvent
P-D-680. Dry using clean cloth.
10-5
