b300 Hydraulic Schematic v-0687-6

HYDRAULIC FILTER GROUP
HYDRAULIC OIL RESERVOIR
LOAD SENSING
REAR STEERING
CYLINDER
29
L
R/CF
OUT
IN
1
7
5
6
3
4
8
FRONT STEERING
CYLINDER
T
P
LS
EF
2
28
30
18
HYDRAULIC/HYDROSTATIC SCHEMATIC
B300 B Series
(S/N 573111001 AND ABOVE)
(PRINTED MARCH 2005)
(V-0687)
1 of 6
Dealer Copy -- Not for Resale
BACKHOE
HYDRAULIC
CON
TROL VALVE
LOADER HYDRAULIC CONTROL VALVE
TILT
CYLINDERS
LIFT
CYLINDERS
FRONT AUXLIARY
QUICK COUPLERS
FEMALE
10
11
LIFT
TILT
AUX
12
22
11
10
17
T
P
SWING
BOOM
R.H.
L.H.
BUCKET
MALE
9
28
34
HYDROSTATIC MOTOR GROUP
M1
23
2 of 6
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BACKHOE
HYDRAULIC
TROL VALVE
LOCK VALVE
ARM CYLINDER
LOCK VALVE
BOOM CYLINDER
SWING CYLINDERS
RIGHT STABILIZER
CYLINDER
LEFT STABILIZER
CYLINDER
BUCKET CYLINDER
16
16
12
14
15
SWING
BOOM
R.H.
STABILIZER
L.H.
STABILIZER
B
UCKET
3 of 6
Dealer Copy -- Not for Resale
LOAD SENSING
STEERING UNIT
L
28
18
Differential Lock
36
37
HY
DROSTATIC PUMP GROUP
M
19
20
25
32
31
X1 X2
G
T1
T2
R
A
T
B
P
Printed in U.S.A.
4 of 6
Dealer Copy -- Not for Resale
B
24
17
B
UCKET
28
SAPR
Brake
36
35
HYDROSTATIC PUMP GROUP
20
26
21
B
A
Ps
Fa1
Fa
Fe MB
MAS
Fs
MH
M1
A
T
G
a
b
U
13
B
5 of 6
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ARM
CYLINDER
B
UCKET
ARM
QUICK COUPLERS
MALE
FEMALE
WORKING CIRCUIT
PILOT CIRCUIT
DRAIN CIRCUIT
COMPONENTS
13
A
B
P
T
V-0687 (3-3-05)
6 of 6
Dealer Copy -- Not for Resale