Mooney M20V - Page 355

MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Date
MAR 2017
Rev Date
Page
14
Check Wire Harness
No
Steady
Yes
Correct Wire
Harness
Harness OK?
6
8
2 7
6
9
Correct System
Voltage
Check System
Voltage to the DLA
is >14.6VDC
No
Yes
No
YesYes
Solenoid Wire
to Ground OK?
Check that Each
Solenoid Wire to
Ground is
11.3 VDC
Cycle Aircraft
PowerorOxygen
System CB and
Reset
Fault Light
Repeatable?
No
Resistance
OK?
>14.6 VDC
Check Resistance of
Solenoid by Upluging
the Solenoid.
Resistance Should be
between 6 ohms and
8 ohms
Mark DLA with
Description of
Problem and
Return to PFI
DLA Inoperative.
Remove and
Replace DLA
- Between Solenoid and DLA (Pin Out Harness).
- Resistance between DLA D-Dum and Solenoid.
- Disconnect cable at the DLA and Solenoid, with a
Loopback installed at t he Solenoid the reading
should be <=0.75 ohm at the DLA D-Sub
Connector
No
Yes
PRECISE FLIGHT OXYGEN SYSTEM - TROUBLE SHOOTING FLOW CHART 3
FIGURE 35-14
Install a New/
Mark the Bottle
Yes Yes
80 psig
Less Than 60 pisg
80 psig
Less Than 60 pisg
3
4
5
4
5
6
Re-Test the
System
Purge the System
per Section 2.4.6
Rebuilt Regulator
Bottle Assembly
Assembly with a
description of the
problem, and
Contact PFI for
Return
Remove the
Regulator Bottle
Assembly
Remove In-Op.
Bleed the system
down by using
flowmeters in all 4
ports of the
distribution
manifold
Oxygen
Pressure
Between
60-80 psig?
TurnOFFOxygenSystem,
andattachasingleflow
device to the Distribution
Manifold and Bleed down
any residual Pressure
in the Lines.
Re-Test with flowmeter at
6K-10K setting.
Oxygen
Pressure
Between
60-80 psig?
Verify System
Outlet Pressure at
Distribution
Manifold with NO
other Flow
Devices Attached
PRECISE FLIGHT OXYGEN SYSTEM - TROUBLE SHOOTING FLOW CHART 4
FIGURE 35-15
35-00-04