EATON
PVM Piston Pump Service Manual E-PUIO-II001-E4 December 2017
13
Identification of Model Code
Model PVM045
Model PVM050
EATON
PVM Piston Pumps Parts Manual V-PP-TP-0001-E July 2011
22
Identification of Model Code
Model PVM045
Model PVM050
1, 2, 3 Pump Series
PVM M-Series variable piston
pump
4, 5, 6 Displacement
045 45.1 cm
3
/rev (2.75 in
3
/
rev) 280 bar
050 50.0 cm
3
/rev (3.00 in
3
/
rev) 230 bar
7 Valve Plate
E
- Industrial (1800 rpm max)
M
- Mobile equipment
speeds
8 Input Rotation
R
- Clockwise (righthand)
L
- Counterclockwise
(lefthand)
9, 10 Input Shaft
05 SAE J744-22-1 B straight
key
06 SAE J744-25-1 B-B
straight key
07 SAE J744-22-4 B 13T
spline
08 SAE J744-25-4 B-B 15T
spline
11 Mounting Flange
C SAE J744-101-2 (SAE B 2
bolt)
12 Main Port Location
S Side
E End (na on thru drive)
13, 14 Main Port Type
01 SAE J514 tube ports
02 SAE J518 flange ports
03 ISO 6149-1 tube ports
04 ISO 6162 flange ports
15, 16 Pump Special
Features
00 None (single shaft seal)
AA Adjustable maximum
displacement stop and single
shaft seal (standard)
AB Double shaft seal, two
way
AD Adjustable maximum
displacement stop and
double shaft seal
17 Control
0 None
A Pressure compensator
B Pressure and flow
compensator with bleed
orifice
C Pressure and flow
compensator with plugged
orifice
18, 19 Pressure Comp
Setting
00 None
07 66-74 bar (957-1073 psi)
23 227-234 bar (3277-3393
psi) 050 cm
3
/rev
28 276-284 bar (4002-4118
psi) 045 cm
3
/rev
20, 21 Flow Comp
Setting
00 None
11 10-11 bar (145-174 psi)
20 19-21 bar (275.5-304.5
psi)
24 23-25 bar (333.5-362.5
psi)
22, 23 Torque Limiter
Setting
00 None
24 Compensator Special
Features
0 None
25 Auxiliary Mounting Pad
0 None
A SAE A 2 bolt 9T spline
B SAE A 2 bolt 11T spline
C SAE B 2/4 bolt 13T spline
D SAE B 2/4 bolt 15T spline
26 Paint
0 No paint
A Blue (standard)
27 Customer Identification
0 None
28 Design Code
A A (initial release)
PVM
1, 2, 3 4, 5, 6
045
7
E
8
R
9, 10
06
11
C
12
S
13, 14
01
15, 16
AA
17
A
18, 19
28
20, 21
00
22, 23
00
24
0
25
0
26
A
27
0
28
A
EATON PVM Piston Pump Service Manual
13