PS Magazine - TB 43-PS-614
PS, The Preventative Maintenance Monthly
ISSUE 614
JANUARY 2004
PS 614
JAN 04
35
CH-47D…
R
emember
to complete the primary and secondary checks before single point
refueling of a Chinook’s FWD, MAIN and AFT fuel tanks. They are spelled out in
Task 1-51 of TM 55-1520-240-23-1.
Forget
these checks, which means you don’t check the position of the ALL TEST
float switch on the fuel cell shut off panel before refueling, and you could damage
the shutoff valve.
If the ALL TEST float switch was left in the FLOW position during a previous
refueling, remember to flip it back to the PRI OFF position before pressure refuel-
ing.
If the ALL TEST switch is left in the FLOW position while the fuel tanker hose
is hooked to the aircraft and the nozzle lever is opened to allow fuel flow, the flow
won’t stop within the required 4 seconds, like the TM says.
And, if you exceed 55 psi, you could end up with a fuel spill to clean up.
So think about the next soldier who’ll be refueling your bird. He or she will
appreciate it if you flip the ALL TEST float switch from FLOW back to PRI OFF
after refueling is done.
‘Course, always refer to the refuel station overhead panel instructions to keep you
straight.
When all the left- and right-hand, AFT, FWD and MAIN fuel tanks reach
the desired fuel levels, don’t forget to set all the refuel valve switches back to the
PRI OFF position.
PS 614
JAN 04
index page 8
MS
Here’s
something
you need to
remember
,
and
never
forget,
Chinook crew
members.
Refer to refuel
procedure on
overhead
panel above
Perform all checks before refueling
614. 34-35 (C)
11/28/03
1:42 PM
Page 1
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