Danfoss Series 90

Frame Size 250
Manual Displacement Control (MDC), end cap twin ports, option 80
Ø 6.73
[Ø 0.265]
R 25.4
[R 1.0]
R 50.8
[R 2.0]
2x
"B"
"A"
30
minimum
30
minimum
Null
position
Torque applied to control handle shaft
not to exceed 17 Nm (150 lbf•in]
Maximum
displacement
Maximum
displacement
Manual displacement control handle
dimensions
Port N (optional), speed pick-up
9/16-18UNF-2B
View "W"
191
[7.52]
20
[0.79]
186 [7.32]
port L2
210
[8.27]
35.71
[1.41]
36.5
[1.44]
98
[3.86]
98
[3.86]
181 [7.13]
port L1
212 maximum
[8.35]
69.85
[2.75]
79.38
[3.13]
341
[13.43]
Approximate
center of gravity
"X"
"Z"
"Y"
331
[13]
Port L1
case drain
use highest
port as outlet
1-5/8-12UN-2B
419
[16.5]
108
[4.25]
228
[8.98]
Gauge port M5
servo pressure
9/16-18UNF-2B
Gauge port M4
servo pressure
9/16-18UNF-2B
7.9 [0.31]
136
[5.35]
View "Y"
View "Z"
56
[2.20]
112.25
[4.42]
224.5
[8.84]
142 [5.59]
port L2
143
[5.63]
201.5
[7.93]
Approximate
center of gravity
Port L2
case drain
1-5/8-12UN-2B
"W"
Ø 20.6
[Ø 0.81]
Rotation
CW
CCW
(2x)
(2x)
View "X"
Gauge port M3
Charge pressure
9/16-18UNF-2B
Multifunction
Valve
Multifunction
valve
Charge pressure
relief valve
Port S:
charge
pump Inlet
1- 1/2 -
3000 psi
split flange
boss per SAE
J518 (Code 61)
1/2-13UNC-2B
24 [0.94] minimum
full thread
Ports A and B
1- 1/2 - 6000 psi
split flange boss
per SAE J518 (Code 62)
5/8-11UNC-2B,
25 [0.98] minimum
full thread
Gauge port M10
charge pump Inlet
9/16-18UNF-2B
M2
Gauge port M1
system pressure A
9/16-18UNF-2B
Gauge port M2
system pressure B
9/16-18UNF-2B
B
M2
S
a
M1
M3
9.4
[0.37]
185.5
[7.30]
B
A
2
1
A
M10
M5
M4
P102 061
External charge plug
1 5/8-12 UNF
48
[1.9]
Ø165.1
Ø[6.5]
0
-0.05
[+0.000
[-0.002]
12
[0.472]
R 0.8 max.
[0.03]
[0.62 ±0.011]
15.65 ±0.25
20
[0.79]
Technical Information Series 90 Axial Piston Pumps
Installation Drawings
78 520L0603 • Rev 0804 • March 2016