Hydraulic components dual p.o. check valve – Gradall 544B Parts Manual User Manual
Page 134
HYDRAULIC COMPONENTS
Dual P.O. Check Valve
Starting Serial No. 0155299S
Original Issue 3-90
10-30
Item
Part No.
Qty.
Description Of Part
9104-3258
DUAL P.O. CHECK VALVE ASSY
(includes all items except 2 & 20)
9104-4304
CHECK CARTRIDGE ASSY
(includes items 1, 3, 4, 5, 6, 7 & 8)
9103-4107
CHECK CARTRIDGE ASSY W/
THERMAL RELIEF (includes items
12 thru 19)
1
9104-4308
1
PLUG
2
8855-1011
3
LOCKWASHER, 3/8
3
9104-4309
1
SPRING
4
9103-4111
1
BALL
5
9103-4112
1
CARTRIDGE BODY
6
9104-4305
1
O-RING
7
9104-4306
1
O-RING
8
9104-4307
1
BACK-UP RING
9
9103-4116
1
PISTON
10
9103-4117
1
BODY
Item
Part No.
Qty.
Description Of Part
11
9103-4118
2
O-RING
12
9103-4115
1
BACK-UP RING
13
9103-4114
1
O-RING
14
9103-4112
1
CARTRIDGE BODY
15
9103-4113
1
O-RING
16
9103-4119
1
THERMAL RELIEF ASSY
17
9103-4120
1
SPRING
18
9103-4109
1
O-RING
19
9103-4121
1
PLUG
20
8820-1040
3
HEX HD CAPSCREW, 3/8-16X2-1/4,
GR5
21
8855-1011
3
LOCKWASHER, 3/8
NOTE: ONLY PART NUMBERED
ITEMS ARE AVAILABLE FOR
SERVICE REPLACEMENT