a220 Hydraulic Schematic v-0530-2

DRIVE MOTOR
9
32
31
DRIVE MOTOR
9
31
32
1
2
3
6
HYDRAULIC FILTER
Printed in U.S.A.
30
HYDROSTATIC
PUMP
OUTLET
SELECT VALVE
PRESS
53
INLET
OUTLET
OUTLET
M3
M3
CHARGE
INLET
M4
M
5
X1 X2
M1
M2
CASE
DRAIN
Control
Module
(EDC)
M3
CHARGE
INLET
M4
M
5
X1
X2
M1
M2
Control
Module
(EDC)
A220 HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH HIGH FLOW OPTION
S/N 519611408 AND ABOVE
S/N 519711198 AND ABOVE
(PRINTED APRIL 2004)
V-0530
CASE
DRAIN
55
HYDROSTATIC
PUMP
26
26
26
26
28
28
29
29
45
45
61
61
INLET
62
62
64
64
27
HYDRAULIC
POWERED
BOB-
TACH
(
OPTIONAL
DR
5
48 46
49
65
66
47
P1
BOB-TACH
CYLINDER
(OPTIONAL)
1 of 2
HYDRAULIC CONTROL VAVLE
AUXILIARY
SPOOL
BICS CONTROL VALVE
OIL
COOLER
BUCKET POSITION VALVE (OPTIONAL)
LIFT CYLINDERS
TILT
CYLINDER
SPOOL
LIFT ARM BY- PASS
VALVE
D
V-0530 (4-8-04)
C
A
B
A B
A
B
A B
WORKING CIRCUITS
PILOT CIRCUITS
DRAIN CIRCUITS
COMPONENTS
1
3
6
7
10
52
12
13
14
15
LIFT
CYLINDER
SPOOL
8
11
4
TILT CYLINDER
16
16
41
17
18
18
19
20
21
51
22
23
24
24
25
42
43
HYDRAULIC FILTER
C2 C1
T
SELECT VALVE
FEMALE
MALE
(REAR QUICK COUPLERS)
36
35
40
33
6154
38
34
37
39
39
PB
PRESS
MALE
FEMALE
44
(RIGHT SIDE LIFT ARM
QUICK COUPLERS)
STEERING VALVE
56
MALE
FEMALE
MALE
INTEGRATED QUICK
COUPLER BLOCK
57 57
57
57
58
63
63
27
59
59
60
60
60
60
59
59
HYDRAULIC
POWERED
BOB-TACH
(OPTIONAL)
PP
P2
46
50
66
67
2 of 2