Gradall 534C-6 Parts Manual User Manual
Page 219
HYDRAULIC COMPONENTS
(9108-3056) Main Hydraulic Control Valve
Starting Serial No. 0188002
Original Issue 1-90
Revised 10-10-95
NOTE: ONLY ITEMS WITH PART
NUMBERS ARE AVAILABLE
FOR SERVICE
Item
Part No.
Qty.
Description Of Part
9108-4015
5
VALVE SECTION SEAL KIT (includes
items 22 & 23)
22
2
PRESSURE SEAL
23
2
EXHAUST SEAL
24
9108-4016
1
R.H. END COVER ASSY (includes
items 25 thru 27)
25
9108-4017
1
PLUG
26
9108-4018
1
PLUG
27
9108-4204
2
O-RING (one required/plug)
28
9108-4008
1
L.H. COVER ASSY (includes items
16 &17)
29
9108-4011
1
VALVE SECTION ASSY (includes one
each of items 1, 8, 12, 15, and two of
item 18)
30
9108-4011
1
VALVE SECTION ASSY (includes one
each of items 1, 8, 12, 15, and two of
item 18)
31
9108-4012
1
VALVE SECTION ASSY (includes one
each of items 1, 8, 12, 32, and two of
item 20)
32
9108-4013
1
SPOOL
33
9108-4014
1
VALVE SECTION ASSY (includes one
each of items 1, 8, 12, 34, and two of
item 18)
34
9108-4013
1
SPOOL
35
9108-4012
1
VALVE SECTION ASSY
36
9108-4205
2
RELIEF - 1500 PSI (includes one of
item 21)
37
9108-4013
1
SPOOL
9108-4203
1
STUD KIT (INCLUDES 38 & 39)
38
3
STUD
39
3
NUT
Item
Part No.
Qty.
Description Of Part
9108-3056
Ref
MAIN HYDRAULIC CONTROL VALVE
ASSY (includes all items)
1
9108-4004
4
SPOOL POSITIONER (includes item 2
thru 7)
2
2
COLLAR
3
1
SPRING
4
1
POSITIONER
5
1
BONNET
6
2
WASHER
7
2
SCREW
8
9108-4005
4
SPOOL SEAL KIT (includes items 9
thru 11)
9
2
SEAL
10
2
WASHER
11
2
RETAINER
12
9108-4006
4
SPOOL RETAINER (includes items 13
& 14)
13
2
WASHER
14
2
SCREW
15
9108-4007
2
SPOOL
16
9108-4009
1
MAIN RELIEF (includes item 17)
17
9108-4206
1
O-RING (inner)
9108-4207
1
O-RING (outer)
18
9108-4010
6
LOAD CHECK PLUG (includes one of
item 19)
19
9108-4202
6
LOAD CHECK PLUG SEAL KIT (one
required/check plug)
20
9108-4199
2
RELIEF - 2800 PSI (includes one of
item 21)
21
9108-4201
2
RELIEF SEAL KIT (one
required/relief)
9108-4200
AR
RELIEF SERVICE KIT
* Changed upper left to designate model more clearly.
KG
10-9