TM 5-3805-262-20
7-1. PARKING BRAKE MAINTENANCE (CONT)
c. Parking Brake Valve (cont).
CLEANING AND INSPECTION
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 he
vapors. Do not use near open flame or excessive heat and don’t smoke
when using it. Failure to do so could cause serious injury. If you be-
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 al
a t t e n t i o n i m m e d i a t e l y .
If contact with skin or clothes is made, flush
with large amounts of water.
I f c o n t a c t w i t h e y e s i s m a d e , w a s h e y e s
with water and get medical aid immediately.
(1)
(2)
(3)
( 4 )
Clean all metal parts using cleaning solvent P-D-680. Dry using clean
c l o t h s .
NOTE
Replace item if inspection indicates need for replacement.
Inspect nut (3) for cracks, d i s t o r t i o n , c r o s s e d o r s t r i p p e d t h r e a d s , or
damage to seal.
Inspect knob (2) for cracks, breaks,
chipping, and sharp edges that could
cause personnel injury.
Inspect remaining parts for cracks, distortion, or crossed or stripped
t h r e a d s .
INSTALLATION (SHEET 1 OF 2)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
7-14
I n s t a l l e l b o w ( 9 ).
I n s t a l l t e e ( 8 ) a nd elbow (7).
I n s t a l l t e e ( 6 ) , e l b o w ( 5 ) , a n d t e e ( 4 ).
Connect and tighten brake treadle and valve hose and brake treadle and
valve tube to elbow (7) and elbow (9), respectively.
Install pressure switch and parking brake switch (page 5-63).
Connect and tighten windshield washer hose to tee (4).
Connect and tighten parking brake chamber hose to tee (4).
Position parking brake valve (10) beneath right instrument panel and se-
cure with nut (3) .
