Mooney M20V - Page 357

MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Date
MAR 2017
Rev Date
Page
16
5
7
6
6
Yes
Yes
Yes
No
No
Solenoid Failure
Mark Bottle
Assembly with
Paperwork
indicating Problem
and Return
Bleed System
down and Remove
and Replace
Regulator-Bottle
Assembly
Solenoid Free?
Solenoid is In-Op
Check for Moisture
or Freezing
Solenoid
Frozen?
Warm and Dry
Solenoid and
Regulator
Solenoid/
Regulator In-Op
Solenoid
Engaged?
Visually Check the
Solenoid Engagement
With System ON
(In=ON, Out=OFF)
Check that the Solenoid is Free to
Move. Using a very light force, see
if the plunger can be moved, a nd
moves freely without hesitation.
Pushing the plunger to far will
engage the latching solenoid and
turn on the Oxygen flow.
2
6
6
6
4
Wiring OK?
Check Low
Pressure
Transducer
Wiring
Fix Wiring
between the
Display-Logic-
Assembly and the
Low-Pressure
Transducer
Turn System OFF,
Remove and
Replace the Low-
Pressure
Transducer or
Distribution
Manifold
Turn ON the
System and
Re-Test
Fault Light?
Yes
Steady
Blinking
No
Steady or
Blinking Fault
Light?
Purge the System
and Perform a
Leak Check
Return Defective
Transducer or
Distribution
Manifold to PFI
with Description of
Problem
Replace Display-
Logic-Assembly
and Return
Defective DLA to
PFI with a
Description of the
Problem
* - Voltage measured at the low pressure transducer
connector with the Transducer Connected
PIN 1 - Supply (8-12 VDC)
PIN 2 - Signal (1-5 VDC depending on Pressure)
PIN 3 - Ground
PRECISE FLIGHT OXYGEN SYSTEM - TROUBLE SHOOTING FLOW CHART 6
FIGURE 35-17
35-00-04