Gradall 534B-9 Parts Manual - Manual (Page 121)

HYDRAULIC COMPONENTS
Main Control Valve
Starting Serial No. 0144860S
Original Issue 10-90
10-7
Item Part No. Qty. Description Of Part
9103-3296 1 CONTROL VALVE ASSY (includes all
items)
1 9103-4070 AR STUD KIT
2 9020-6415 1 PORT RELIEF
9103-4237 AR STUD KIT
3 9103-4102 2 VALVE SECTION (includes items 10
through 14)
4 9103-4104 1 COVER PLATE ASSY (right end)
5 9020-6422 1 O-RING
6 9020-6423 2 O-RING
7 9104-4114 1 COVER PLATE ASSY (left end;
includes item #8)
8 9020-8136 1 MAIN RELIEF VALVE ASSY (3,000
PSI)
9103-4236 AR SEAL KIT
9 9020-6421 1 VALVE SECTION (includes items 10
through 14)
10 9020-6413 AR LOAD CHECK POPPET ASSY
(includes items 11 through 14)
11 1 LOAD CHECK PLUG
12 1 O-RING
13 1 SPRING
14 1 POPPET
15 9020-6420 1 VALVE SECTION (with port relief;
includes item #2)
16 9103-4072 1 VALVE SECTION (includes item #29)
17 9020-6418 AR SEAL PLATE
18 9020-6427 AR NEUTRAL POSITIONER (consists of
items 19 through 25)
Item Part No. Qty. Description Of Part
19 8830-1548 4 FILLISTER HD MACHINE SCREW,
1/4-20 X 1
20 9020-6431 1 BONNET
21 8821-1069 1 SOCKET HD CAPSCREW, 3/8-16 X
3/4, GR8
22 8855-1011 1 LOCKWASHER, 3/8
23 9020-6430 1 SPOOL COLLAR
24 9020-6428 2 STOP COLLAR
25 9020-6429 1 SPRING
26 9020-6419 AR RETAINER PLATE KIT (consists of
items 27 & 28)
27 1 SCREW
28 1 RETAINER PLATE
29 9103-4074 1 PORT RELIEF
30 9103-4159 AR SPOOL SEAL KIT (consists of items
17, 31, 32)
31 1 O-RING
32 1 O-RING
33 8820-1072 3 HEX HD CAPSCREW, 1/4-20 X
1-3/4, GR5
34 8856-1107 3 FLAT WASHER, 1/4
35 8850-1008 3 HEX NUT, 1/2-13
36 9020-6417 AR SECTION SEAL KIT (consists of
items 5, 6, 12, 17, 31, 32)
NOTE: ONLY ITEMS WITH PART
NUMBERS ARE AVAILABLE
FOR SERVICE.
LIFT
CROWD
TILT
AUX.
SWAY
OUT
IN