a220 Hydraulic Schematic v-0531-2

TWO SPEED DRIVE MOTOR
1
2
3
6
9
32
31
HYDRAULIC FILTER
Printed in U.S.A.
53
30
C
T
A
B
D
P
TWO SPEED VALVE
56
57
54
HYDROSTATIC
PUMP
OUTLET
SELECT VALVE
PRESS
60
59
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 AND TWO SPEED VALVE OPTION
S/N 519611408 AND ABOVE
S/N 519711198 AND ABOVE
(PRINTED APRIL 2004)
V-0531
CASE
DRAIN
TWO SPEED DRIVE MOTOR
31
32
59
9
53
62
HYDROSTATIC
PUMP
26
26
26
26
28
28
29
29
45
68
68
INLET
69
69
70
54
70
45
27
55
HYDRAULIC
POWERED
BOB-
TACH
(
OPTIONAL
DR
5
48 46
49
72
73
47
P1
BOB-TACH
CYLINDER
(OPTIONAL)
4
1 of 2
Dealer Copy -- Not for Resale
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-0531 (4-8-04)
C
A
B
A B
A
B
A B
WORKING CIRCUITS
PILOT CIRCUITS
DRAIN CIRCUITS
COMPONENTS
7
10
52
12
13
14
15
LIFT
CYLINDER
SPOOL
8
11
TILT CYLINDER
16
16
41
17
18
18
19
20
21
51
22
23
24
24
42
43
C1 C2
T
SELECT VALVE
FEMALE
MALE
(REAR QUICK COUPLERS)
36
35
33
6161
38
34
37
39
39
PB
PRESS
MALE
FEMALE
44
(RIGHT SIDE LIFT ARM
QUICK COUPLERS)
(OPTIONAL)
STEERING VALVE
64 64
64
65
TP
63
25
40
64
27
66
66
67
67 67
67
66
66
MALE
FEMALE
MALE
INTEGRATED QUICK
COUPLER BLOCK
71
71
HYDRAULIC
POWERED
BOB-TACH
(OPTIONAL)
PP
P2
46
50
73
74
2 of 2
Dealer Copy -- Not for Resale