Bobcat 325 Mini Excavator Hydraulic Repair & Troubleshooting Schematic (S/N 232312387 AND ABOVE) 328 (S/N 232412118 – 232412127, 232412130 AND ABOVE)

BOOM
SWING
CYLINDER
BOOM
CYLINDER
R.H. TRAVEL MOTOR
T1, T2 P2 P1
V
CENTER SWIVEL JOINT
E
B
D
C
A
H
F
G
A
B
A
B
B
A
B
A
A
B
ARM
CYLINDER
HYDRAULIC/HYDROSTATIC SCHEMATIC
325 (S/N 232312387 AND ABOVE)
328 (S/N 232412118 - 232412127,
232412130 AND ABOVE)
(PRINTED JULY 2002)
V-0194
23
12
10
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Dealer Copy -- Not for Resale
R1
I
SO
ISO/
STD CONVERTER
(
L1
V1
V2
V
3
ARM
BOOM SWING
RH TRAVEL
BOOM
LH TRAVEL
b
A
B
A
B
B
A
a
B
A
b
a
A
B
P1
P2
G
PB
G1
27
32
17
18
13
14
29
19
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Dealer Copy -- Not for Resale
1
2
3
4
T
LH JOYSTICK
P
1
2
3
4
T
RH JOYSTICK
P
L1
I
S
O
L3 ISO
R1
I
SO
US OPTION
ISO/STD CONVERTER
(ISO SHOWN)
L1
L3
R3
I
S
O
R1
R
3
BACK
FRONT
STD
ISO
C
P1
P2
P
3
B
A
PSI
A3
A2
A1
S1
G1
FRONT
LEFT
RIGHT
REAR
FRONTRIGHT
REAR
LEFT
27
20
21
32
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Dealer Copy -- Not for Resale
BUCKET
CYLINDER
BLADE CYLINDER
T1, T2
P2 P1
V
L.H. TRAVEL MOTOR
TOP
SLEW MOTOR
BOTTOM
A
B
A
B
A
B
A
B
B
A
FEMALE (PRESSURE)
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
DIRECT TO
TANK VALVE
(EXCLUDE FOR
U.S. OPTION)
MALE (RETURN)
24
8
8
5
11
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Dealer Copy -- Not for Resale
OIL COOLER
V2
V3
BOTTOM
AUX
BOOST
SLEW
BUCKET
T1
b
a
A
B
b
a
A
B
A
B
b
a
A
B
B
A
b
a
P3
CASE DRAIN FILTER
WITH BY-PASS
T2
BLADE
PB
X
X
28
25
31
22
33
30
16
15
17
5 of 6
Dealer Copy -- Not for Resale
PRESSURIZED BREATHER
P2
P3
MAIN FILTER WITH BY-PASS
CASE DRAIN FILTER
-
PASS
T
T1
F
HYDRAULIC PUMP
V-0194 (7/18/02)
2
1
7
6
28
25
9
26
3
4
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Dealer Copy -- Not for Resale
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