Bobcat 337 & 341 Long Arm Midi Excavator Hydraulic Repair & Troubleshooting Schematic 337 (S/N 234613191, 234613192, 234613248 AND ABOVE) 341 (S/N 234713441 AND ABOVE)

SLEW
OFFSET
BUCKET
ARM
BOOM
AUXILIARY
R. H. TRAVEL
L. H. TRAVEL
BLADE
AB
AB
AB
AB
AB
AB
AB
AB
AB
T1
T2
P1P2
Q1
Q2
PS
BOOM OFFSET
CYLINDER
BUCKET
CYLINDER
BOOM
CYLINDER
ARM
CYLINDER
FWD
REV
T1
T2
P1P2
Q1
Q2
PS
FWD
REV
RIGHT HAND TRAVEL MOTOR
LEFT HAND TRAVEL MOTOR
LEFT HAND BLADE
CYLINDER
RIGHT HAND BLADE
CYLINDER
H
J
H2
J2
B
D
E
C
A
F
A
F
H1
J1
F
A
C
E
D
B
CENTER SWIVEL
JOINT
MALE (RETURN)
FEMALE
(PRESSURE)
RIGHT
(FRONT)
LEFT
(REAR)
CONTROL VALVE
DUAL SEQUENCE VALVE
WITH SHUTTLE
CROSS PORT BLOCK
SLEW MOTOR
WITH BRAKE
PUMP SUPPLY
WORKING CIRCUITS
PILOT PRESSURE
SYSTEM RETURN LINES
ENCLOSURE
DIRECT TANK RETURN
HYDRAULIC/HYDROSTATIC SCHEMATIC
337 (S/N 234613191, 234613192,
234613248 AND ABOVE)
341 (S/N 234713441 AND ABOVE)
(PRINTED NOVEMBER 2006)
V-0841
LOCKING VALVE
40
29
25
26
27
27
35
6
7
3
1
2
3
1
2
13
12
45
46
45
47
45
47
45
47
45
47
45
47
45
47
46
10
46
4
5
8
22
GG1
G2
1 of 2
Dealer Copy -- Not for Resale
A
A
A
A
A
A
A
A
A
P1P
T
D
C
A
B
B1
T1
T2
3
4
1
2
T
TRAVEL CONTROL
P
1
2
3
4
T
LH JOYSTICK
P
1
2
3
4
T
RH JOYSTICK
P
FRONT
LEFT
RIGHT
REAR
FRONTRIGHT
REAR
LEFT
L
3 IS
O
US OPTION
ISO/STD CONVERTER
(ISO SHOWN)
R
1
I
SO
R
3
R1
BACK
FRONT
STD
ISO
R
3
ISO
L1
IS
O
L3
L1
G
HYDRAULIC PUMP
MAIN
FILTER
OIL
COOLER
BREATHER
CAP
CASE DRAIN
FILTER
MANIAFOLD
ASSEMBLY
CONTROL VALVE
V-0841 (11/7/06)
8
22
24
23
33
11
21
20
19
18
17
16
15
14
36
38
51
50
49
48
39
30
28
34
32
31
9
P2
S
44
37
42
43
X
L2
L1
L
P
P1
LS
T
41
HYDRAULIC X-CHANGE
(OPTIONAL)
52
54
53
55
56
2 of 2
Dealer Copy -- Not for Resale
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