a300 Hydraulic Schematic v-0670-2

HYDRAULIC
POWERED
BOB-TACH
(OPTIONAL)
BOB-TACH
CYLINDER
(OPTIONAL)
TWO SPEED DRIVE MOTOR
1
2
9
32
31
53
30
C
T
A
D
P
56
57
54
HYDROSTATIC
PUMP
OUTLET
59
B
INLET
OUTLET
M3
M3
CHARGE
INLET
M4
M5
X1 X2
M1
M2
CASE DRAIN
Control
Module
(EDC)
M3
CHARGE
INLET
M4
M5
X1
X2
M1
M2
Control
Module
(EDC)
HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH TWO SPEED VALVE
AND HIGH FLOW OPTION
A300 (S/N 526412000 & Above)
(S/N 526512000 & Above)
(PRINTED MARCH 2005)
V-0670
CASE
DRAIN
TWO SPEED DRIVE MOTOR
31
32
54
59
9
53
61
HYDROSTATIC
PUMP
26
26
26
26
28
28
29
29
45
45
67
67
60
60
INLET
68
68
27
TWO SPEED VALVE
55
58
58
PP
P2
DR
5
48 46
50
49
69
70
47
P1
(
REAR QUICK
COUPLERS
P-OUT
BASE
33
38
37
39
40
FEMALE
3
6
4
HYDRAULIC FILTER
HIGH FLOW VALVE
(OPTIONAL)
71
OUTLET
73
72
51
17
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
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
18
18
19
21
22
18
24
24
42
44
STEERING VALVE
62
MALE
FEMALE
MALE
INTEGRATED QUICK
COUPLER BLOCK
63 63
63
64
P T
43
43
63
65
65
66
65
65
66
6666
(REAR QUICK
COUPLERS)
MALE
T
P-OUT
P-IN
BASE ROD
34
35
36
38
37
39
40
FEMALE
REAR AUX VALVE (OPTIONAL)
3
4
V-0670 (3/8/05)
25
23
20
2 of 2
Dealer Copy -- Not for Resale