6-7
3. MAIN CONTROL VALVE
STRUCTURE (4 Spool, without OPSS)
4A
4B
3A
3B
2A
2B
P
T
1
2
3
4
5
6
7
8
9
10
A
VIEW A
1A
1A
2A 2B
3A 3B
4A 4B
P
T
LIFT
TILT
AUX1
AUX2
OUTLET
INLET
22B7HS07
1
Inlet block assy
2
Lift block assy
3
Tilt block assy
4
Aux 1 block assy
5
Aux 2 block assy
6
Outlet block assy
7
Main relief valve assy
8
Auxiliary relief valve assy
9
Long bolt
10
Nut
1)
Port name
Inlet port
Outlet port
Work port
Work port
Size
7/8-14UNF
7/8-14UNF
7/8-14UNF
3/4-16UNF
Port
P
T
1A
2A, 2B, 3A, 3B, 4A, 4B