Piper PA-32R-301T SARATOGA S, Maintenance Manual

Page: 836 / 956

GENERAL.
This chapter contains miscellaneous charts which are applicable to various chapters and systems covered
in this manual. All electrical schematics are also included herein.
TORQUE REQUIREMENTS.
The torque values given in Chart 2 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 of Lycoming
Overhaul Manual, and propeller torque values are found in Chapter 61 of this manual. Chart 1 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 Chart 1.
CHART 1
FLARE FITTING TORQUES
PIPER AIRCRAFT
PA-32R-301/301T
MAINTENANCE MANUAL
91-00-00
Page 91-1
Reissued: July 1, 1993
4E16
TORQUE—INCH-POUND
TUBING ALUMINUM - ALLOY STEEL TUBING HOSE END FITTING
OD TUBING FLARE - AND FLARE AND
INCHES 10061 OR AND 10078 AND 10061 HOSE ASSEMBLIES
MINIMUM MAXIMUM MINIMUM MAXIMUM MINIMUM MAXIMUM
1/8 – – – – – – – – – – – – – – – – – –
3/16 – – – – – – 90 100 70 100
1/4 40 65 135 150 70 120
5/16 60 80 180 200 85 180
3/8 75 125 270 300 100 250
1/2 150 250 450 500 210 420
5/8 200 350 650 700 300 480
3/4 300 500 900 1000 500 850
1 500 700 1200 1400 700 1150
1 1/4 600 900 – – – – – – – – – – – –
1 1/2 600 900 – – – – – – – – – – – –
1 3/4 – – – – – – – – – – – – – – – – – –
2 – – – – – – – – – – – – – – – – – –