STRUCTURE AND FUNCTION
9VX3
HYDRAULIC SYSTEM DIAGRAM
Control valve
I Gauge port
A9
B9
A8
Arm
ЛЛ
nr
лЖ
ж
Swing
ЛЛ
A7
•^Travel L.H.
ЛЛ
1
W
B5_
A5
Confluence
P2
T2
Л
2=
Excavation
(extended)
aa
- 1
Travel L.H.
>
Forward
>
I
ia a
j ! L
Blade
ЛЛ
a
A4
yTravel R .H .F ^
i
■
■
1
л
B3
A3
B2
A2
B1
A1
Boom
swing
Bucket
ЛЛ
ТЖ
Щ
Boom
T O T
a
M
wot
Gauge port
Blade lower
>
Forward
>
^
/\д Swing left
Dump
Hoist
дд
>
P1
S
ЛА
, u
i
i
i
i
High speed
travel shift
i valvfi
Relief valve set pressure
Code
Item
Pressure
MPa
MR1
Main relief valve P1 Pump
16.2
MR2
Main relief valve P2 Pump
16.2
OR1
Overload relief valve (Boom)
18.6
OR2
Overload relief valve (Arm)
18.6
SWR
Swing relief valve
6.9
2 - 4 - 1
Summary of Contents for 9VX3
Page 1: ...Service Guide 9VX3 I H I SERIAL NUMBERS WB004001 up PUB No 1 1205...
Page 21: ...Swing motor...
Page 34: ...A 1 34 6 7 14 15 17 18 10 19 20 25 23 13 35 SECTION...
Page 38: ...3 1 0 Disassembly drawing For part names and numbers refer to the parts catalog...
Page 45: ...Boom Cylinder head details...
Page 51: ...Boom Swing Tightening torque 176 N m M16 x 1 5 19 8 7 6 13 5 DETAIL P DETAIL H...
