TM 1-1520-238-T-5
7–66
Change 2
7–11.
PRIMARY HYDRAULIC SYSTEM – WIRING INTERCONNECT DIAGRAM (cont)
7–11
PRIMARY MANIFOLD
1
P
J6
P239
C-
D+
B-
9
8
HYDRAULIC
PRESSURE
TRANSDUCER
NO
NC
DIRTY FILTER
INDICATOR
(PRESSURE) (NOTE 4)
14
13
NO
NC
HYDRAULIC
LOW PRESSURE
SWITCH (NOTE 3)
4
7
6
A+
C
NO
NC
LOW LEVEL
INDICATOR
SWITCH
3
NO
NC
11
12
DIRTY FILTER
INDICATOR
(RETURN) (NOTE 4)
2
HP1
P
P
P
A
C
D
B
GS430
W119
P1 OUT
P/O ELECTRICAL POWER DISTRIBUTION
BOX
(NOTE 6)
P441
A2
A5
J24
P/O DUAL HYDRAULIC PRESSURE INDICATOR
P265
D
C
J1
-
+
P1 IN
PRI HYD PSI
M28
P
K
L
TB2 - 9
A402
W668
W119
1
C
A
J3
B
D
B
J4
C
A
J1
C
C
J5
B
(NOTE 5)
E
A(1)
(NOTE 1)
B(1)
C(1)
D(1)
E(1)
W119
A
B
G(1)
F(1)
(HI)
0-5 VDC
C
C
NOTES:
HIGHWAY USE: THE ALPHA CHARACTER IDENTIFIES
A SPECIFIC LINE, AND THE NUMBER IN PARENTHESIS
IDENTIFIES THE SHEET NUMBER WHERE THE SIGNAL
TERMINATES.
1. 1.37 VDC / 1000 PSI.
2. GND INPUTS TURN ON LIGHTS,
UNLESS OTHERWISE SHOWN.
3. OPEN AT 2050 PSI AND ABOVE.
CLOSED AT 1250 PSI AND BELOW.
4. CLOSED AT 70 ±10 PSI DIFFERENTIAL PRESSURE.
5. CLOSED WHEN RESERVOIR FLUID LEVEL
IS 10 CUBIC INCHES OR LESS (APPROX. 0.06 GAL.).
6. ELECTRICAL SYSTEM (TM 1-1520-238-T-6).
7. HS DESIGNATES A HARD SPLICE WHICH
CANNOT BE DISCONNECTED.
M DESIGNATES A SOFT SPLICE WHICH MAY BE
DISCONNECTED FOR A WIRING CHECK.
M68-002-2B
SHEET 2 OF 2
