Piper SENECA II Service Manual page 544

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PIPER SENECA
II
SERVICE MANUAL
TABLE IX-Ill. GAUGE READINGS/RESISTANCE WITH FUEL IN TANKS
Model Total Fuel in Tanks Required Gauge Tolerance
Resistance (Reference)
(Each Side) Reading
±Needlewidths
(Ohms, Both Senders)
(Gallons)
Without Bladder
10
10
I
26
Tanks
20
20 2
44
40 40
2
80
With Bladder
10
10 1
26
Tanks
20
20 2
39
50
50 2
74
I. With 14 VDC supplied to the electrical system, master switch in the off position and fuel already in
the tanks as specified in step j add fuel to the left and right tanks to total quantities shown in Table IX-III. The
fuel quantity readings should be as specified at each increment. If the readings are not within the stated
tolerances, check the resistance of the senders, referring to Table IX-III.
m. If it is necessary to adjust the gauge at the 30, 40 or 50 gallon position, recheck the gauge as in steps k
and
I. To insure that the gauge is still within tolerance as shown in Table IX-III.
Revised: 11/12/82
2E5
FUEL SYSTEM