Gradall 534D-6T Parts Manual User Manual
Page 151
Item
Part No.
Qty.
Description Of Part
28
3
SPRING
29
3
COLLAR
30
9108-4005
6
SPOOL SEAL KIT (includes items 31, 32
& 33)
31
6
RETAINER
32
6
WASHER
33
6
SEAL
34
9108-4006
3
SPOOL RETAINER (includes items 35 &
36)
35
6
SCREW
36
6
WASHER
37
9108-4199
2
RELIEF - 2800 PSI (includes one of item
38)
38
9108-4201
4
RELIEF SEAL KIT (one required per
relief
9108-4200
AR
RELIEF SERVICE KIT, NOT
ILLUSTRATED (includes relief poppet
and piston ring)
39
9108-4014
1
VALVE SECTION ASSY (includes 2 of
item 7, plus items 21, 22, 30 & 34)
40
2
PRESSURE SEAL
41
2
PRESSURE SEAL
42
9108-4278
1
R.H. END COVER ASSY (includes item
43)
43
9108-4279
1
PLUG (includes item 44)
44
1
O-RING
45
9108-4280
1
VALVE SECTION ASSY (includes items
21, 22, 30, 34 & 46)
46
9108-4281
2
RELIEF - 2000 PSI (includes one of item
38)
47
8820-1028
3
HEX HD CAPSCREW, 5/16-18x3, GR5
48
8820-1020
4
HEX HD CAPSCREW, 5/16-18x1, GR5
49
8850-1005
7
HEX NUT, 5/16-18
50
8855-1010
7
LOCKWASHER, 5/16
51
8856-1003
7
FLAT WASHER, 5/16
52
9138-1009
1
VALVE SUPPORT (partially illustrated)
NOTE: ONLY ITEMS WITH PART
NUMBERS ARE AVAILABLE FOR
SERVICE.
Item
Part No.
Qty.
Description Of Part
9108-3420
1
MAIN HYDRAULIC CONTROL VALVE
ASSY (includes all items except
47 thru 52)
9112-3075
2
SPOOL POSITIONER KIT (includes
item 9 thru 19)
9108-4203
1
STUD KIT (includes items 4 & 5)
9108-4015
5
VALVE SECTION SEAL KIT
(includes items 40 & 41)
1
9108-4008
1
L.H. END COVER ASSY (includes items
2 & 3)
2
9108-4009
1
MAIN RELIEF (includes item 3)
3
9108-4206
1
O-RING (inner)
9108-4207
1
O-RING (outer)
4
3
STUD
5
3
NUT
6
9108-4277
2
VALVE SECTION ASSY (includes two of
item 7, plus items 9 thru 19)
7
9108-4010
6
LOAD CHECK PLUG (includes item 8)
8
9108-4202
6
LOAD CHECK PLUG SEAL KIT (one
required per check plug)
9
9108-4230
16
SOCKET HD CAPSCREW, 1/4-20X3
10
9108-4231
16
LOCKWASHER, 1/4
11
9108-4232
4
BEARING PLATE
12
9108-4229
4
BONNET
13
9108-4233
4
SEAL
14
9108-4234
2
SPUD POSITIONER
15
9108-4235
2
WASHER
16
9108-4236
2
SPRING
17
9108-4237
2
SPRING
18
9108-4238
2
STOP SLEEVE
19
9108-4239
2
STOP COLLAR
20
9108-4012
1
VALVE SECTION ASSY (includes items
21, 22, 30, & 34, plus two of item 37)
21
9108-4013
3
SPOOL
22
9108-4004
3
SPOOL POSITIONER(includes items 23
thru 29)
23
6
SCREW
24
6
WASHER
25
3
BONNET
26
3
POSITIONER
27
3
COLLAR
10-7
HYDRAULIC COMPONENTS
(9108-3420) Main Hydraulic Control Valve Assembly
534 D-6 Starting Serial No. 0588001 thru 0588721
534 D6-TURBO Starting Serial No. 0588008 thru 0588721
Original Issue 12-97
Revised 8-6-99
PCN 980775, 980776 - JH
* Changed Starting S/N in upper right-hand corner; added note to parts list and added
note to the illustration page.