Bobcat 323 Mini Excavator Hydraulic Repair & Troubleshooting Schematic S/N A9JZ11001 AND ABOVE

B
A
B
A
B
A
B
A
B
A
A
B
TRACK EXPAND
CYLINDER
B
A
BLADE
CYLINDER
BOOM
CYLINDER
BUCKET
CYLINDER
ARM
CYLINDER
TRACK EXPAND
SOLENOID VALVE
CENTER
SWIVEL JOINT
E
B
A
H
C
D
E1
E2
H2
H1
B
A
C
D
C
T1-T2
P1
Ps
R
M
P2
T1-T2
.897/.531 CUBIC INCHES / REV
REDUCTION RATIO 1:36.8
P1
Ps
R
M
P2
BOOM SWING
CYLINDER
B
A
FEMALE (PRESSURE)
MALE (RETURN)
AUX FLOW
RH TRAVEL
BOOM SWING
ARM
AUX
BOOM
BUCKET
BLADE
SLEW
J2
J1
F
G
J
F
G
RH TRAVEL MOTOR
LH TRAVEL MOTOR
323 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N A9JZ11001 AND ABOVE
(PRINTED FEBRUARY 2008)
V-0976
25
24
24
23
25
24
24
23
14
21
21
20
19
18
17
16
15
31
1 of 2
Dealer Copy -- Not for Resale
P3
C
A
B
1
4
3
2
1
4
3
2
T
C
PB
T
G
V2
V3
F
PS1
DS
P
T
RH JOYSTICK
T
LH JOYSTICK
P
L
1
IS
O
L3 ISO
R
1
IS
O
US OPTION
ISO/STD CONVERTER
(ISO SHOWN)
L1
L
3
R3 ISO
R1
R
3
BACK
FRONT
STD
IS
O
COOLER
FILTER W/ BY-PASS
RESERVOIR
PRESSURIZED
BREATHER
P3
P2
P1
PS2
V1
P2
P1
RH TRAVEL
BOOM SWING
ARM
AUX
BOOM
BUCKET
BLADE
SLEW
LH TRAVEL
INTERSECTION OF
HYDRAULIC LINES
INDICATED BY JUNTION DOT
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
BOTTOM
TOP
(Slew Right)
(Slew Left)
HYDRAULIC PUMPS
SWING MOTOR
M0
S1
P1
P3
P2
V-0976 (1-17-08)
26
22
9
28
8
10
30
30
30
30
30
29
5
6
7
27
11
2
1
4
3
13
12
2 of 2
Dealer Copy -- Not for Resale
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