TM
5-5420-226-20-1
valve) (page 8-14).
(page 8-17).
-.
Symptom 16.12
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
(Continued)
FCheck cap assembly (check valve] for proper oPsrn-
tion.
l Remove
cap assembly
(check
valve)
(page 8-14).
l Tilt cap assembly
(check
valve) side to side to verify
flapper
is free.
l Look inside cap assembly
(check
valve) to sea that
flapper
is not damaged
or missing.
Is cap assembly (check velve) operating properi
l Install cao aaaemblv {check
I
valve) (page 8-16).
l Ramove and inspect VEDES
scavongor tubes, hoses. and
air cleaner manifold for obs-
Are scavengar tubes, hoses, or
manifold obstructed?
t
/“”
Clean/raplace obstructed
CAP ASSEMBLY
~ acavangar tubes/hoses and
~
Jmanifold (page 8-17).
I
Replace exhaust a]actor tubes
1(page 8-21 or 8-25).
!
Change
3
4-306.27
