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TM 10-3930-669-20
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts battery
terminal, a direct short may result in instant heating of tools, damage to equipment, and
injury or death to personnel.
VOLTAGE TEST
(1)
Remove diode DM1 (Para 7-33).
(2)
Set multimeter select switch to
VOLTS DC.
(3)
Connect positive (+) multimeter
lead to diode DM1, terminal T4
cavity.
(4)
Connect negative (-) multimeter
lead to a known good ground.
(5)
Set MAIN POWER switch to ON
position (TM 10-3930-669-10).
(6)
Set
engine
switch
to
ignition
position (TM 10-3930-669-10).
(a)
If there are not 22 to 24 vdc
present, perform Steps (7)
through (9) below and go to
Step 8 of this Fault.
(b)
If there are 22 to 24 vdc
present, perform Steps (7)
through (9) below and replace
master
cylinder
pressure
switch (Para 7-17).
(7)
Set engine switch to off position.
(8)
Set MAIN POWER switch to OFF
position.
(9)
Install diode DM1.
2-399
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