Gradall 534C-6 Parts Manual - 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