Piper Cherokee Six - Page 72

TABLE
II-VIII.
FLARE
FITTING
TORQUES
TORQUE
-
INCH-POUND
*PIPER
CHEROKEE
SIX
SERVICE
MANUAL
2-61.
TORQUE
REQUIREMENTS.
The
torque
values
given
in
Table
II-VIII
are
derived
from
oil-free
cadmium-plated
threads
and
are
recommended
for
all
airframe
installation
procedures
where
torquing
is
required,
unless
otherwise
noted
in
sections
where
other
values
are
stipulated.
Engine
torque
values
are
found
in
the
latest
revision
Lycoming
SSP-1776
and
propeller
torque
values
are
found
in
Section
VIII
or
VIIIA
of
this
manual.
Table
Il-VIII
lists
the
torque
values
for
flared
fittings
of
various
sizes
and
material.
CAUTION
Do
not
overtorque
fittings.
NOTE
When
flared
fittings
are
being
installed,
ascertain
that
the
male
threads
are
properly
lubricated.
Torque
the
fittings
in
accordance
with
Table
II-VIII.
TUBING
OD
INCHES
ALUMINUM
-
ALLOY
TUBING
FLARE
-
AND
10061
OR
AND
10078
STEEL
TUBING
FLA
RE
AND
10061
HOSE
END
FITTING
AND
HOSE
ASSEMBLIES
1/8
3 16
1/4
5/16
3/8
1/2
5/8
3/4
1
1-1/4
1-1/2
1-3/4
2
MINIMUM
40
60
75
150
200
300
500
600
600
MAXIMUM
65
80
125
250
350
500
700
900
900
MINIMUM
90
135
180
270
450
650
900
1200
MAXIMUM
100
150
200
300
500
700
1000
1400
MINIMUM
70
70
85
100
210
300
500
700
MAXIMUM
100
120
ISO180
250
420
480
850
1150
Revised:
11/4/83
1C24
1 C24
HANDLING
AND
SERVICING