Gradall 524 Parts Manual User Manual
Page 170
10-7
Item
Part No.
Qty.
Description Of Part
25
2
BONNET
26
2
SPOOL COLLAR
27
4
SPRING COLLAR
28
2
SPRING
29
9108-4005
4
SPOOL SEAL KIT
(includes items 30,31 & 32)
30
4
RETAINER
31
4
WASHER
32
4
SEAL
33
9108-4006
2
SPOOL RETAINER
(includes items 34 & 35)
34
4
WASHER
35
4
SCREW
36
9108-4199
2
RELIEF-2800 P.S.I.
(includes one of item 38)
37
9108-4201
2
RELIEF SEAL KIT
(one required per relief)
9108-4200
AR
RELIEF SERVICE KIT, NOT
ILLUSTRATED
(includes relief poppet & piston ring)
38
9108-4014
1
VALVE SECTION ASSY(Sway)
(includes 2 of item 7, plus items
21,22,29 & 33)
39
2
PRESSURE SEAL
40
2
PRESSURE SEAL
41
9108-4278
1
R.H. END COVER ASSY (includes item
42)
42
9108-4279
1
PLUG (includes item 43)
43
1
O-RING
44
9109-4024
2
HYDRAULIC REMOTE POSITIONER
(includes items 9 thru 19)
45
9109-4023
2
HYDRAULIC REMOTE POSITIONER
(includes items 9 thru 13)
NOTE: ONLY ITEMS WITH PART
NUMBERS ARE AVAILABLE FOR
SERVICE.
HYDRAULIC COMPONENTS
(9108-3417) Main Hydraulic Control Valve Assembly
Starting Serial No. 0177064
Original Issue 3-93
Revised 1-8-96
Item
Part No.
Qty.
Description Of Part
9108-3417
1
MAIN HYDRAULIC CONTROL VALVE
ASSY(includes all items)
9108-4019
1
STUD KIT (includes items 4 & 5)
9108-4015
5
VALVE SECTION SEAL KIT
(includes items 39 & 40)
1
9108-4008
1
L.H. END COVER ASSY
(includes items 2 & 3)
2
9108-4009
1
MAIN RELIEF (includes item 31)
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(Hoist & Crowd)
(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 HEAD 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(Tilt)
(includes items 21,22,29 & 33, plus
two of item 36)
21
9108-4013
2
SPOOL
22
9108-4004
2
SPOOL POSITIONER
(includes items 23 thru 29)
23
4
SCREW
24
4
WASHER
ARTWORK ON PREVIOUS PAGE
RS
* Added part numbers for items 44 & 45. Reworked art for clarity.