7. Unless otherwise specified, parts used on Lycoming engines with Piper furnished or existing
Lycoming threaded fasteners, shall be torqued to the specifications listed in the latest revision of Lycoming
Service Table of Limits No. SSP-1776.
8. After the final torque is applied, the fastener should be permanently marked red and should not be
further tightened or disturbed.
—NOTE—
For more details on torquing, refer to FAA Manual AC43.13-1A.
—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 9101.
FLARE FITTING TORQUES.
CHART 9101. FLARE FITTING TORQUES
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——————
91-00-02
Page 91-02
Revised: December 21, 1981
3H10
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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