24
EATON
Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
Parts List
Pressure Override
Valve
Table 12.0 Pressure Override Valve
4994730-XXX POR Relief Valve Assembly POR
(Item76, 163)
ITEM
PART NO.
QTY.
DESCRIPTION
11
4995049-001
1
Spring, Guide, POR
10
4996993-001
1
Seat, POR, S/A
9
4994960-001
1
Poppet, POR
8
8770-014
1
Back up Ring, Piston
7
8765-014
1
O-Ring, Piston
6
8765-020
1
O-Ring, Plug
5
16024-006
1
Jam Nut
4
16139-618
1
Set Screw, Half Dog
3
4994729-001
1
Piston, POR
2
4994545-001
1
Plug, POR
1
See Table 12.1
Valve Spring,
1
2
3
4
5
6
Item 76,163
Externally Adjustable POR Valve
176
Table 12.1
POR Valve Pressure Setting Ranges
PRESSURE
SETTING ITEM
1
ADJUSTMENT
PART NO.
bar[lbf/in
2
]
PART No.
RANGE (psi)
4994730-150
103,4[1500]
4994730-200
137,9[2000]
4994730-250
172,4[2500]
4994730-300
206,8[3000]
4994730-350
241,3[3500]
4994730-400
275,8[4000]
4994730-450
310,3[4500]
4994730-500
344,7[5000]
4994730-550
379,2[5500]
4994730-575
396,4[5750]
4994730-600
413,7[6000]*
4994730-650
448,1[6500]*
*Do not set to this pressure level without Eaton Engineering approval.
110732-350
1500-4000
110732-650
5500-6000*
110732-450
3500-5000
110732-550
4500-6000*
1
9
7
8
10
11
2
8
9
6
7
10
11
Shim Adjustable POR Valve
Replaced with externally adjustable POR
(Shown above)
110700-099
Table 13.0 High Pressure Relief Valve
110700-XXX
Relief Valve Assembly
ITEM PART NO.
QTY.
DESCRIPTION
1
113105-000
1
Plug, Relief Valve
2
16133-12
1
O-Ring
3
4992535-001
1
Spring Conical
4
See Table 13.1
Relief Valve S/A
5
4992534-001
1
Retaining Ring, Round Ext.
110700-XXX
High Pressure Relief Valve Settings
Identify Pressure settings by the part number of the high pressure
valve. The part number is followed by a dash and the related
pressure rating, i.e., 110700-150. This setting represents a
psi(lbf/in
2
) of 1500 lbf/in
2
. Ranges for the high pressure relief valves
are available from 1500 to 6000 lbf/in
2
in increments of 500 lbf/in
2
.
3
1
2
5
4
3
1
2
5
4
High Pressure Relief
Valve
(Item 78,79)
