Service Manual and
Axial Piston Pumps Series 20
Repair Instructions
L1003506 • Rev BA • Jun 20144
Model Code
Producer mark
A1 producer specification
according to construction
(at present = A1)
S P V 2 A 1
Series of product
SPV Pump variable
2 Association
type 20
Orientation of rotation
R Right
L Left
Input port
working port SAE-flange
3 = 3000 psi SAE J518 (207 bar)
for displacement 033 - 119 cm
3
6 = 6000 psi SAE J518 (414 bar)
for displacement 166 - 334 cm
3
Displacement cm
3
[in
3
]
033 = 33.3 [2.03]
052 = 51.6 [3.15]
070 = 69.8 [4.26]
089 = 89.0 [5.43]
119 = 118.7 [7.24]
166 = 165.8 [10.12]
227 = 227.3 [13.87]
334 = 333.7 [20.36]
Shaft end
SAE-spline shaft 16/32
= 21 teeth for displacement 033 - 070
Z = 23 teeth for displacement 089
= 27 teeth for displacement 119 - 227
= 40 teeth for displacement 334
K* conic shaft end with toleranced key
* available on request
Units with working mark
3-letter combination e.g.:
Cxx All seals in Viton make
Special copies with or without
mark of copy:
037 3-letter combination e.g.
special nameplate
and all seals in Viton
Regulation
Type of regulation of 3-letter combination
001 - 999 Designation for regulation specification
(specified by manufacturer)
RNU… Pressure regulator of zero throw
RNO… Pressure regulator Mooring
RBR… Torque limiter
RBN… Torque limiter
with regulator of zero throw
RBN… Torque limiter
with pressure regulator Mooring
FBA… Mobile automation for frame size 033-119
End cap execution
PS… With installed charge pump
AA 10. Cover plate without gear pump
Filling gear pump (2 digits according to size) - see the table
Frame size Optional PS Frame size Optional PS
033 12 18 119 19 33
052 12 18 166 33 66
070 18 12 227 33 66
089 18 12 334 66
..3 Designation for setting of charge pressure 13 bar
(other setting of charge pressure on request)
Restriction of flow volume
The entry is required if the flow volume is
adjustable at least in one direction
1. Mark (3-characters) for the branch A
2. Mark (3-characters) for the branch B
Delimitation of flow volume is set
060 for example to 60 cm
3
999 maximal setting of flow volume
950 without setting of flow volume
Control
Type of control is 3-letter combination
1-9 Type variant is 1-digit number
(is specified by manufacturer)
01-99 Designation for control and connecting plate
(is specified by manufacturer)
VML 1 Mechanical-hydraulic volume control
no entry Execution with control jet
VES 3 Electro-hydraulic volume control
VED 3 Electro-hydraulic 3-position control NG 6
VHA Setting hydraulic volume control by load control pressure
VAE 1 Connecting plate for supply and drain
of control liquid without control instrument
VAD 100 Without control instrument with segment
and with cover plate
Example of ordering:
Axial piston variable pump SPV 2,
Displacement 89,0 cm
3
, Orientation of rotation: right,
Input: flange 3000 psi, SAE shaft end 23 teeth,
End cap execution: with installed charge pump
Order mark: SPV 2 / 089 - R3Z - PS 183 -A1
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