JLG 544D-10 Parts Manual User Manual
Page 487
91364001
544D
9-61
HYDRAULIC COMPONENTS
Figure 9-14 Main Control Valve
Item
Part Number
Qty.
Description
Rev.
1001109348
1
MAIN CONTROL VALVE ASSY, (includes all items except items 48 thru 51)
1
91144162
1
L.E. INLET COVER ASSY, (includes items 2 thru 5)
2
NSS
2
PLUG, (includes item 3)
3
NSS
2
O-RING
4
70021683
1
MAIN RELIEF VALVE - 3000 PSI, (includes item 5)
5
91034236
1
MAIN RELIEF SEAL KIT, (note: only external seals can be serviced in the
field)
6
91164066
2
LIFT & CROWD SECTIONS, (includes four of item 7, plus two of items 9, 22 &
31)
7
91144256
4
PLUG KIT, (includes item 8)
8
91144257
4
PLUG SEAL KIT
9
NSS
2
HR POSITIONER ASSY ‘A’ END, (includes items 10 thru 21)
10
NSS
4
O-RING
11
NSS
4
SPACER
12
NSS
4
O-RING
13
NSS
4
SPRING ASSY, (includes items 14, 15, 16 & 17)
14
NSS
8
STOP COLLAR
15
NSS
2
SPRING
16
NSS
2
SPACER
17
NSS
4
SPUD
18
NSS
4
BONNET ASSY, (includes items 19, 20 & 21)
19
NSS
16
BEARING PLATE
20
NSS
16
LOCKWASHER
21
NSS
16
SCREW
22
NSS
2
HR POSITIONER ASSY ‘B’ END, (includes items 10, 11, 12, 14, 17 thru 21,
24, 25 & 26)
23
NSS
2
SPRING ASSY, (includes items 14, 17, 24, 25 & 26)
24
NSS
2
SPRING
25
NSS
2
SPRING
26
NSS
2
STOP COLLAR
28
91164066
2
TILT & AUX SECTIONS, (includes items 29 & 30, two of items 31 & 32)
29
91144255
4
RELIEF VALVE - 3000 PSI, (includes item 30)
30
91034236
4
RELIEF VALVE SEAL KIT, (note: only external seal can be serviced in the
field)
31
NSS
5
4-WAY SPOOL, (not available for service, order individual work sections as
needed)
32
NSS
3
SPOOL POSITIONER KIT, (includes items 33 thru 36)
33
NSS
6
SCREW
34
NSS
3
BONNET
35
NSS
3
SPOOL COLLAR
36
NSS
6
SPRING COLLAR
37
NSS
3
SPRING
38
NSS
6
SPOOL SEAL KIT
39
NSS
3
SPOOL RETAINER KIT
40
91164166
1
SWAY SECTION, (includes one each of items 31, 32 & 41)
41
91144260
2
RELIEF VALVE, 3000 PSI, (includes item 30)
42
Use Kit K2
12
O-RING, (included in section seal kit, six kits required to service entire valve)
43
Use Kit K2
6
O-RING, (included in section seal kit, six kits required to service entire valve)
44
91033172
1
R.E. OUTLET COVER, (includes item 45)
S/N 0160037964 & After