Bobcat 337 & 341 Long Arm Midi Excavator Hydraulic Repair & Troubleshooting Schematic 337 (S/N 233311001 AND ABOVE) 341 (S/N 233211001 AND ABOVE)

P2
P1
WITH SHUTTLE
DUAL SEQUENCE VALVE
Q1
T1,T2
2
PS
3
Q2
1
1
RIGHT HAND TRAVEL MOTOR
341 (S/N 233211001 AND ABOVE)
337 (S/N 233311001 AND ABOVE)
HYDRAULIC/HYDROSTATIC SCHEMATIC
(PRINTED JANUARY 2001)
337 AND 341 EXCAVATOR
MC 2694
WITH BRAKE
SLEW MOTOR
CYLINDER
BOOM
CYLINDER
ARM
CYLINDER
BUCKET
35
35
CYLINDER
OFFSET
BOOM SWING
CROSS PORT BLOCK
25
40
1 of 6
Dealer Copy -- Not for Resale
CYLINDER
BOOM
CYLINDER
ARM
CYLINDER
BUCKET
7
35
CYLINDER
OFFSET
BOOM SWING
6
VALVE
LOCKING
27
(FRONT)
RIGHT
45
BUCKET
47
45
B A
BLADE
47
B A
45
45
OFFSET
47
B A
47
B A
CROSS PORT BLOCK
27
(REAR)
LEFT
26
29
SLEW
46
B A
CONTROL VALVE
45
17
15
16
14
36
2 of 6
Dealer Copy -- Not for Resale
2
28
48
G
39
3
L4
L2
R2
R4
1
4
30
43
B
B1
A
49
C
D
50
51
T2
42
S
37
ASSEMBLY
MANIFOLD
P
38
T
T1
P1
HYDRAULIC PUMP
41
P2
T
P
RIGHT HAND JOYSTICK
COOLER
OIL
31
MAIN FILTER
L
44
X
34
FILTER
32
CASE DRAIN
BREATHER CAP
3 of 6
Dealer Copy -- Not for Resale
P2
P1
Q1
PRINTED IN U.S.A.
COMPONENTS
DRAIN CIRCUITS
PILOT CIRCUITS
WORKING CIRCUITS
T1,T2
PS
2
P2
P1
FWD
REV
1
LEFT HAND TRAVEL MOTOR
Q2
3
1
FWD
REV
LEFT HAND
CYLINDER
BLADE
BLADE
CYLINDER
7B
5B
6A
8B
1
4
2
3
8A
7A
6B
5A
MALE (RETURN)
RIGHT HAND
13
2
CYLINDER
BOOM
4 of 6
Dealer Copy -- Not for Resale
LEFT HAND
CYLINDER
4
5
L.H. TRAVEL
B A
BLADE
CYLINDER
7
B
5
B
6
A
8
B
4
2
3
8
A
A
JOINT
SWIVEL
CENTER
6B
5A
RETURN
)
RIGHT HAND
FEMALE (PRESSURE)
12
AB
45
4
3
2
1
10
7
5
8
6
R.H. TRAVEL
46
B A
AUXILIARY
45
46
BOOM
47
45
ARM
47
45
B A
CYLINDER
BOOM
B A
23
22
8
24
33
9
11
21
20
19
18
17
5 of 6
Dealer Copy -- Not for Resale
23
9
11
3
P
4
1
2
ISO/STD CONVERTOR
(ISO SHOWN)
US OPTION
iso
R
3
L3
R
1
R1
iso
STD
IS
O
BACK
FRONT
R3
i
so
L3
i
soL1
L1
2
1
4
3
2
MC2694 (1-11-01)
T
CONTROL
TRAVEL
T
LEFT HAND JOYSTICK
P
L4
L
2
1
T
6 of 6
Dealer Copy -- Not for Resale
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