P
A
B
T
G
F1
F2
F3
F4
4.85 4.85
4.85
4.85
2.39
M5
M5
M5
M5
X
21.3 13.5
29.5
21.3
11.4
0
42.9
42.9
0
Y
9.1
17.0
17.0
24.9
4.3
0
0
34.0
34.0
P
A
B
T
G
F1
F2
F3
F4
6.6
6.6
6.6
6.6
2.39
M5
M5
M5
M5
X
21.3 11.4
31.2
21.3
11.4
0
42.9
42.9
0
Y
7.2
17.0
17.0
27.0
4.3
0
0
34.0
34.0
P
A
B
T
G
F1
F2
F3
F4
7.92 7.92
7.92
7.92
2.39
M6
M6
M6
M6
X
21.3
9.7
33.3
21.3
11.4
0
42.9
42.9
0
Y
5.1
17.0
17.0
29.0
4.3
0
0
34.0
34.0
G77X/77X SERIES INSTALLATION AND OPERATION INSTRUCTION
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
©2007 Moog Inc. All changes are reserved.
NOTES
TYPICAL WIRING SCHEMATIC
1 Fluid:
Industrial type petroleum base hydraulic
fluid, maintained to ISO DIS 4406 Code
14/11 recommended.
2 Operating Temperature Range:
-20°F [-29°C] to +275°F [+135°C]
3 Valve Phasing:
Flow out port B results when Series
coils: B & C connected,A+, D-;
Parallel coils:A & C connected, B & D
connected; Single coil:A+, B-, or C+, D-.
4 Ports:
See table below left.
5 Surface:
Surface to which valve is mounted
requires
32
[ ] finish, flat within 0.002
[0.05] TIR.
6 Null Adjust:
Flow out port B results with clockwise
rotation of null adjust screw (
3
/
32
hex key).
Flow bias is continually varied for a given
port as the null adjust is rotated.
3
A
B
C
D
∆∆
Figure 4
47.8
1.57
44.5
MAX
47.8
1.343
35.3
64.77
26.2
P
3.0
OR
[28.4]
1.75
1.275
.844
1.06
MAX
PIN C
1.00
2.12
2.18
2.81
17.04
.014
1.688
34.11
1.56
1.88
PIN D
1.88
.12
.007
(OPTION)
21.44
25.4
26.9
1.39
39.6
1.12 MAX
1.03
MTG HGT
PIN B
.671
53.8
55.4
71.4
PIN A
32.39
2.550
42.88
ELECTRICAL CONNECTOR
LOCATING PIN
Ø.062
EXTERNAL NULL ADJUST
3/32 IN. HEX SOCKET
4X Ø.221(5.61) THRU (G771 AND G772)
4X Ø.265(6.73) THRU (G773)
P
A
B
T
G
F1
F2
F3
F4
Ø .191 Ø .191 Ø .191 Ø .191 Ø .094 .190-32 .190-32 .190-32 .190-32
X
0.84 0.53
1.16
0.84
0.45
0
1.69
1.69
0
Y
0.36 0.67
0.67
0.98
0.17
0
0
1.34
1.34
G771/771
U.S.
METRIC
P
A
B
T
G
F1
F2
F3
F4
Ø .260 Ø .260 Ø .260 Ø .260 Ø .094 .190-32 .190-32 .190-32 .190-32
X
0.84 0.45
1.23
0.84
0.45
0
1.69
1.69
0
Y
0.28 0.67
0.67
1.06
0.17
0
0
1.34
1.34
G772/772
U.S.
METRIC
P
A
B
T
G
F1
F2
F3
F4
Ø .312 Ø .312 Ø .312 Ø .312 Ø .094 .250-20 .250-20 .250-20 .250-20
X
0.84 0.38
1.31
0.84
0.45
0
1.69
1.69
0
Y
0.20 0.67
0.67
1.14
0.17
0
0
1.34
1.34
G773/773
U.S.
METRIC
Y
X
T
B
A
P
F2
F3
F4
F1
T
G
The products described herein are subject to change at any time without notice, including, but not limited to, product features, specifications, and designs.
4
Three standard designs are available.
G771/771
.625
15.8
.191
4.85
-007
-010
.190-32 NF x 2.0 long
G772/772
.780
19.8
.260
6.60
-013
-012
.190-32 NF x 2.0 long
G773/773
.937
23.8
.312
7.93
-022 -013
.250-20 NF x 2.25 long
Port Circle
Port
Model
Diameter
Diameter
Manifold O-Rings
Mounting Bolt Size
Number
in mm
in mm
Moog MS
(socket head cap screws)
6
CDS6674 REV C 500-380 807
