Oil Pressure Senders Installation; Engine Oil Pressure Gauge; Oil Pressure Sender Test Specifications - Piper PA-44-180 SEMINOLE Maintenance Manual

CHART 7901. OIL PRESSURE SENDER TEST SPECIFICATIONS
Pressure (Psig)
0
25
60
90
INSTALLATION OF OIL PRESSURE SENDERS.
1. Apply thread sealant tape (3M - Teflon 48 x 1/4") to the male threads of the sensors being careful not to
cover the first three threads.
2. Remove the protective cover from the fitting and screw the unit into the manifold.
3. Reconnect the electrical leads to the unit.
4. Perform an operational check of the system.

ENGINE OIL PRESSURE GAUGE.

The oil pressure gauges are mounted in two respective clusters or in an adjacent configuration on the
instrument panel, the latter is installed on S/N 44-95001 and up. Each gauge indicates the amount of oil pressure
available at the pressurized engine oil passage through a sender at the firewall.
The needle of each gauge should be centered +1/2 a needle width on the dot with
electric power off. With positive 14 VDC applied to the electrical bus, each gauge
should iondicate 0 psi +1 needle width.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
Resistance (Ohms)
10
46
90
126
— Note —
Refer to Chapter 91 for Electrical Schematics.
— Note —
3I4
Tolerance(Ohms)
_
-5, +0
—
-0, +15
7 9 - 3 1 - 0 4
Page 79-02
Revised: May 15, 1989