Pressure Override Valve; High Pressure Valve - Eaton Heavy Duty 2 Series Manual

Parts List
Pressure Override
Valve
Item 76,163
Externally Adjustable POR Valve
2
5
4
176
Shim Adjustable POR Valve
Replaced with externally adjustable POR
(Shown above)
1
7
2
8
High Pressure Relief
Valve
(Item 78,79)
2
4
5
3
1
110700-XXX
24 EATON Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
10
11
1
7
9
8
3
10
11
6
9
4
5
3
1
110700-099
Table 12.0 Pressure Override Valve
4994730-XXX POR Relief Valve Assembly POR
(Item76, 163)
ITEM PART NO.
11 4995049-001
10 4996993-001
9 4994960-001
6
8 8770-014
7 8765-014
6 8765-020
5 16024-006
4 16139-618
3 4994729-001
2 4994545-001
1 See Table 12.1
Table 12.1
POR Valve Pressure Setting Ranges
PRESSURE
SETTING
PART NO. bar[lbf/in
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.
Table 13.0 High Pressure Relief Valve
110700-XXX Relief Valve Assembly
ITEM PART NO.
2
1 113105-000
2 16133-12
3 4992535-001
4 See Table 13.1
5 4992534-001
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
are available from 1500 to 6000 lbf/in
QTY . DESCRIPTION
1 Spring, Guide, POR
1 Seat, POR, S/A
1 Poppet, POR
1 Back up Ring, Piston
1 O-Ring, Piston
1 O-Ring, Plug
1 Jam Nut
1 Set Screw, Half Dog
1 Piston, POR
1 Plug, POR
Valve Spring,
ITEM 1 ADJUSTMENT
2 ] PART No. RANGE (psi)
110732-350
110732-450
110732-550
110732-650
QTY . DESCRIPTION
1 Plug, Relief Valve
1 O-Ring
1 Spring Conical
Relief Valve S/A
1 Retaining Ring, Round Ext.
2 . Ranges for the high pressure relief valves
2 in increments of 500 lbf/in
1500-4000
3500-5000
4500-6000*
5500-6000*
2 .