TM 5-5420-226-20-1
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DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- DRAIN
VALVES
Symptom-51
REAR DRAIN
VALVE
WILL NOT WORK.
I
CONTROL
This procedure is to be performed by
PIVOT
two
persons.
The lead person
is
referred to as the first technician and
shall direct the activity of the second
person called the second technician.
.,
*
\
I
Check engine compartment
drain valve control
lever for binding.
Second
Technician
(Front
of Crew
Compartment)
Disconnect
rod end clevis from
pivot
arm
(page
17-35).
Operate
rear
hull drain
valve control
lever
between
OPEN
and CLOSE
positions.
Check
control
lever and
bracket
for binding
or
I
obstruction.
I
)
Remove, disassemble and
inspect rear drain valve control
lever assembly
{page 17-60).
,
Is drain valve control handle binding or obstructed?
(
@
.
r
RODEND
FOR CLARITY QUADRANT
ASSEMBLIES NOT SHOWN
TA107238
4-549