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NO OBSERVED ENGINE SPEED REDUCTION DURING OVERSPEED TEST EXPANDED INSTRUCTIONS.
Figure 151. Beeper Switch Does Not Function in Reversion
TM-1-2840-252-23-3 Engine Gas Turbine Model T55-L-714 Manual
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TM
1-2840-252-23-3
G-64
NO
OBSERVED
ENGINE
SPEED
REDUCTION
DURING
OVERSPEED
TEST
EXPANDED
INSTRUCTIONS.(CONTINUED)
RESISTANCE
-CHECK
SUMMARY
Connector
DECU
#1
DECU
#2
Component
No.
Contacts
No.
Contacts
Resistance
Limits
( )
Overspeed
Test
Switch
Test
Not
Selected
PL1
A&B
--
--
>150K
Test
Selected
A&B
--
--
< 50
Overspeed
Solenoid
PL3
P&R
--
--
15.0
-
55.5
J9
A&B
--
--
15.0
-
55.0
Harness
PL3
g
PL3
Y
<1
PL3
y
PL3
g
<1
G-150
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