Gradall 534B (9020-7317) Service Manual - Manual (Page 156)

Modulator Valve Housing ..........................................................
Accumulator Spring (Inner) Not Used on All Models ....................
Accumulator Spring (Outer) ......................................................
Accumulator Valve ...................................................................
Spool Stop Plug “O” Ring .........................................................
Spool Stop Plug ......................................................................
Regulator Spring ......................................................................
Regulator Spool ......................................................................
Modulator Valve to Converter Housing Gasket ............................
DESCRIPTION QTY.
CONTROL VALVE ASSEMBLY
NOTE: Items 22 thru 24 are various declutch options.
MODULATOR VALVE ASSEMBLY
(Optional)
Hydraulic Actuator Assembly ............................................
Piston Housing “O” Ring ...................................................
Piston Balance Spring ......................................................
Spring Retainer Pin ...........................................................
Piston Seal .....................................................................
Piston .............................................................................
Glyd Ring .......................................................................
Speed Selector Spool .......................................................
Spool Plug ......................................................................
Oil Seal ..........................................................................
Pipe Plug .........................................................................
Control Valve Housing ......................................................
Detent Ball ......................................................................
Detent Spring ..................................................................
Control Valve Gasket ........................................................
Valve Spool Stop .............................................................
Neutral Switch Actuating Pin ............................................
Neutral Switch .................................................................
Declutch Spool Stop ........................................................
0il Seal ...........................................................................
Forward and Reverse Valve Spool ......................................
ITEM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
ITEM DESCRIPTION QTY.
1
1
1
1
1
1
1
1
1
1
3
1
2
2
1
2
1
1
1
1
1
1
2
2
2
4
4
2
2
1