Ii-I; Fuel Quantity Sender Unit; Fuel Quantity Sender/Gauge Check Installed - Piper Cherokee Six Service Manual

PIPER CHEROKEE SIX SERVICE MANUAL
8-14. FUEL QUANTITY SENDER/GAUGE CHECK (INSTALLED) (PA-32-260
and 300).
a. Turn the fuel selector valve off. Completely drain the fuel tank that relates to the
gauge to be checked. (Refer to Draining Fuel System, Section II.)
b. Level the airplane longitudinally and laterally.
NOTE
The electrical system should supply 12 to 14-volts to the
gauge.
c. Turn the master switch on and observe the fuel quantity gauge, it should
read
empty. Refer to Table VIII-I for tolerances that are permitted between the
fuel gauge
reading and the actual fuel in the tank.
d. Add fuel to the tank in the amount of five U.S. gallon increments until
the tank is
full and observe the gauge readings.
NOTE
It will be permissible to adjust the fuel tank float support
wire to obtain the specified tolerances.
TABLE VIII-I. SENDER/FUEL QUANTITY GAUGE TOLERANCES (PA-32-260
& 300)
MAIN TANK
TIP TANK
Actual Fuel in
Tank (U.S. Gal)
Full
20
15
10
5
0
Gauge Reading
(U.S. Gal)
22 to 28
17 to 24
12to 17
7 to 12
2 to 6
0 to -2
Actual Fuel in
Tank (U.S. Gal)
Full
10
5
0
Gauge Reading
(U.S. Gal)
15 to 17
7 to 12
3 to 7
0 to -2
8-15. FUEL QUANTITY SENDER UNIT
and up).
(PA-32R-300 and 32-300 with S/N 32-7940001
NOTE
Inboard
and
outboard
fuel tanks in each wing are
interconnected and have a total capacity of 49 gallons. Fuel
quantity sender units mounted in each fuel tank transmit
electrically the cumulative quantity of fuel in each set of
tanks, to fuel quantity gauges mounted in the instrument
panel.
Revised: 9/18/78
FUEL SYSTEM
2J3