Moog Inc., East Aurora, NY 14052-0018
Telephone: +1-716-652-2000
Fax: +1-716-687-7910
Toll Free: +1-800-272-MOOG
www.moog.com/industrial
©2018 Moog Inc. All changes are reserved.
CDS6857 500-489 RevG 0818
TJW
Moog is a registered trademark
of Moog Inc. and its subsidiaries. Unless expressly indicated, all trademarks as indicated herein are the
property of Moog
Inc. and its subsidiaries. For disclaimers, see w
w
w
.moog.com/literature/disclaimers.
4
Moog • 78N/760N Series Operation Instruction • RevG 08/18
1.31
[33.3]
S/N
MOD
CER
TIFIED
LR 86212
W
ARNING:KEEP CO
VERS
TIGHT
WHILE
CIRCUITS
ARE
ALIVE.
CLASS I,
GR
OUP D
, SEAL NO
T REQUIRED
COIL CONNECTION:
ELEC
. RA
TING:
VDC
, mA
MAX
W
ORKING PRESS (MWP):
20.7 MPa (3000 PSI)
MFD BY
U
.S.
P
AT
. NO
. 3023782,
3228423 & 4017706
A
UTHORIZED REP
AIR SER
VICE 716-687-4949
3.733
[94.82]
1.867
[47.42]
IDENTIFICATION
PLATE
5
POTTED ELECTRICAL CONNECTOR
-A-
.437
[11.10]
6
.875
[22.23]
ROTATED 180
°
CLOCKWISE
VIEW
A-A
EXTERNAL NULL ADJUST
3/32 IN. HEX SOCKET
.09
[2.3]
[50.8
±
12.7]
2.0
±
0.5
CONTROL PORT B
CONTROL PORT A
.390
[9.91]
.437
[11.10]
.437
[11.10]
.437
[11.10]
.500
[12.70]
PRESSURE PORT
4.74 MAX
[120.4]
1.281
[32.54]
2.562
[65.07]
1.66 MAX
[42.2]
1.750
[44.45]
P
T
1.90
[48.3]
3.56
[90.4]
VIOLET
YELLOW
GREEN
BROWN
TANK PORT
2.77
[70.4]
1.03
[26.2]
[1244 ±25.0 ]
NOTE: CABLE ASSEMBLY SHOWN IN THIS
VIEW FOR CLARITY
3
49.0 ±1.0
3.31 MAX
[84.1]
SERVOVALVE
ELECTRICAL
SCHEMATIC
VIOLET
YELLO
W
GREEN
BR
OW
N
.343 [8.71] DIA PORT
CBORE .560 [14.22] DIA
X .055 [1.40] DEEP
.008 [.20] M A
4 PLACES
.328 [8.33] DIA THRU
CBORE .531 [13.49] DIA
X .58 [14.7] DEEP
.008 [.20] M A
4 MOUNTING HOLES
.094 [2.39] DIA LOCATING PIN
.015 [.38] M A
760N SERIES
NOTES
TYPICAL WIRING SCHEMATIC
The products described herein are subject to change at any time without notice, including, but not limited to, product features, specifications, and designs.
1.31
[33.3]
S/N
MOD
CER
TIFIED
LR 86212
W
ARNING:KEEP CO
VERS
TIGHT
WHILE
CIRCUITS
ARE
ALIVE.
CLASS I,
GR
OUP D
, SEAL NO
T REQUIRED
COIL CONNECTION:
ELEC
. RA
TING:
VDC
, mA
MAX
W
ORKING PRESS (MWP):
20.7 MPa (3000 PSI)
MFD BY
U
.S.
P
AT
. NO
. 3023782,
3228423 & 4017706
A
UTHORIZED REP
AIR SER
VICE 716-687-4949
3.733
[94.82]
1.867
[47.42]
IDENTIFICATION
PLATE
5
POTTED ELECTRICAL CONNECTOR
-A-
.437
[11.10]
6
.875
[22.23]
ROTATED 180
°
CLOCKWISE
VIEW
A-A
EXTERNAL NULL ADJUST
3/32 IN. HEX SOCKET
.09
[2.3]
[50.8
±
12.7]
2.0
±
0.5
CONTROL PORT B
CONTROL PORT A
.390
[9.91]
.437
[11.10]
.437
[11.10]
.437
[11.10]
.500
[12.70]
PRESSURE PORT
4.74 MAX
[120.4]
1.281
[32.54]
2.562
[65.07]
1.66 MAX
[42.2]
1.750
[44.45]
P
T
1.90
[48.3]
3.56
[90.4]
VIOLET
YELLOW
GREEN
BROWN
TANK PORT
2.77
[70.4]
1.03
[26.2]
[1244 ±25.0 ]
NOTE: CABLE ASSEMBLY SHOWN IN THIS
VIEW FOR CLARITY
3
49.0 ±1.0
3.31 MAX
[84.1]
SERVOVALVE
ELECTRICAL
SCHEMATIC
VIOLET
YELLO
W
GREEN
BR
OW
N
.343 [8.71] DIA PORT
CBORE .560 [14.22] DIA
X .055 [1.40] DEEP
.008 [.20] M A
4 PLACES
.328 [8.33] DIA THRU
CBORE .531 [13.49] DIA
X .58 [14.7] DEEP
.008 [.20] M A
4 MOUNTING HOLES
.094 [2.39] DIA LOCATING PIN
.015 [.38] M A
Figure 4
[22.23]
.875
[22.23]
.875
[20.62]
.812
[22.23]
.875
[22.23]
.875
[20.62]
.812
[60.33]
2.375
[30.15]
1.187
[61.7]
2.43
[3.05Å}0.64]
.120Å}.025
[3.0Å}0.3]
DIA
.12Å}.01
[77.7]
3.06
[72.9]
2.87
[146.1]
5.75 MAX
[78.8]
3.10
[38.1]
1.50
[70.1]
2.76 MAX.
[100.8]
3.97
NULL ADJUST
4 PLACES
X .054 [1.37] DEEP
CBORE .875 [22.23] DIA
.562 [14.27] DIA PORT
3
6
LOCATING PIN
PRESSURE PORT
TANK PORT
CONTROL PORT A
CONTROL PORT B
IDENTIFICATION PLATE
49.0 ±1.0
[50.8Å}12.7]
2.0Å}.5 LONG
COIL LEADS
[154.8]
6.10 MAX
[83.1]
MAX
3.27
[120.6]
4.75 MAX
POTTED ELECTRICAL CONNECTOR
5
[46.03]
1.812
[92.08]
3.625
4 PLACES
TO DEPTH SHOWN
CBORE .532 [13.51] DIA
.328 [8.33] DIA THRU
Ø .010 [0.25] M
T
78N SERIES
1 Fluid:
Industrial type petroleum base hydraulic
fluid, maintained to ISO DIS 4406 Code
14/11 recommended.
2 Maximum Supply Pressure
All Ports:
3000 psi (210 bar)
3 Base O-Rings for 760N:
0.070 (1.78) sect x 0.426 (10.82) I.D.
(Universal dash No. 13)
Base O-Rings for 78N:
0.070 (1.78) sect x 0.695 (17.65) I.D.
(Universal dash No. 18)
4 Surface:
Surface to which valve is
mounted requires
32
(
) finish, flat
within .001 [0.03] TIR.
5 Electrical Connector:
Mates with 1/2 - 14 NPT fitting.
6 Null Adjust:
Flow out of port B will increase with
clockwise rotations of null adjust (3/32
hex key). Flow bias is continually varied
for a given port as the null adjust is
rotated.
7 Mounting Manifold
See 760 or 78 Series standard brochure
for manifold information.
8 Operating Temperature Range:
Ambient: -40°C to 80°C
Process: +120°C max.
Dimensions in parenthesis are in millimeters.
∆∆
