TM 5-3805-262-20
CLEANING ( SHEET 2 OF 2)
NOTE
Don’t clean secondary element assembly. Secondary element assembly shall
b e r e p l a c e d e v e r y t h i r d s e r v i c i n g o f p r i m a r y e l e m e n t a s s e m b l y , w h en
s e c o n d a r y e l e m e n t a s s e m b l y i s m o r e
t h a n t w o y e a r s o l d ( d a t e o f
manufacture is stamped on top of secondary element assembly) when it is
d a m a g e d , o r w h e n r e d i n d i c a t o r b a n d i n r e s t r i c t i o n i n d i c a t o r s t a y s in
view after primary element assembly has been cleaned or replaced.
(e) Clean vacuator valve (32) using detergent. Dry using clean cloth.
(f) Remove all traces of gasket (19) material from adapter (18) and mating
surface of intake manifold.
INSPECTION
NOTE
Replace all parts determined to be defective in following steps.
(a) Using a light placed inside primary element assembly (29), check for
holes in element. Check if metal covering is bent. If holes in element
are apparent or if metal covering is bent,
i n s t a l l n e w p r i m a r y e l e m e nt
assembly.
NOTE
Inspect new primary element assembly as described in step (a) above; if
new primary element assembly is damaged, replace it.
(b) Check reducer (7), tubes (9 and 13), and elbow (11) for cracks, breaks,
c h a f i n g , o r d e t e r i o r a t i o n.
If tube (13) requires replacement, loosen
connector (12) nut and fitting (20) nut then pull tube (13) from connec-
tor body and fitting body. Remove compression sleeves (one each end)
from tube (13) and discard tube.
(c) Inspect secondary element assembly (31) for damaged gasket and rips or
h o l e s .
(d) Check restriction indicator (22) for cracks, breaks, or other damage.
(e) Inspect remaining parts for corrosion, cracks, dents, and damaged
t h r e a d s.
4 - 2 7
