PS Magazine - SEPTEMBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 370
SEPTEMBER 1983
YOU ARE, oF CouRSE. I
WaS JuST GoINg To
MEnTIoN .±.
When you Chinook mechs need to
change· a faulty SAS actuating
cylinder iN tHe pitch, roll or yaw
control system, remember this: The
replacement looks identical but it's
n!
•
And if you install the new cylinder
the way it coMes From tech supply,
the piLot won't get fuLl control
movement.
That's becaUse there is an internal
di±erence in each cylinder cover²
The "authority³ cover regulates a
di´ferent piston stroke for each
system.
So, convert the one cylinder listed
in µig
225
of T¶
55-1520-209²23P
that is usa
Q
le in all
3
systems. You
have to remove the cover from the
old cylinder and instalL it on the new
one² Just follow the conversion
details in Paras
7-132
thru
7144
of
T¸
55²1520-227²23-3³
Switch data plaTe .
..
.±. and authority cover
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