©
2002 Caterpillar
All Rights Reserved
Printed in U.S.A.
RENR5335
April 2002
365B Material Handler
Hydraulic System
365B MH:
CTY403-UP
Pilot Manifold
PIN
Pi3
Pi2
Pi1
PSA3
PSA2
PSA1
P
S
A
4
DR3
DR2 DR1
TOUT
PG
Pi6
Pi5
Pi4
DR6
DR5
DR4
PAC
64
63
58 59
62
f02669
Main Control Valve
f05456
16
29
31
33
18
19 20
34
37
39
40
53
55
56
44
45
46
32
23
24
28
22
21
R
T1
L'
L'
B' A'
C/V
Dr1
Pi1
BR
BR
MB
MA
M
MB
A'B'
TOOL ROTATOR
PR
PG
E
F
L2
D
L1
Qmax Qmin
T1
A'
D
F
E
P
T
M2
M1
B'
B
P2
A
T2
X
T2
B
BL2
AL2
B
LL1S
PSA3
PSA2
PSA1
PG
PIN
TOUT
DR1
DR2
DR3
Pi5
PAC
Pi3
Pi2
Pi1
Pi6
TOOL
A
LS
LS
pA
pB
185
210
LS
210
M1
T2T1
R
S
M
AS
PSA4
DR6
M
G
BR3
aR3
aL3
bR3
bL3
aL1
aR1
P1
bL4
aL4
bR1
B
PF
PR
bL1
P
Dr
)(
P
R1
D1
D2
R2
BR1
R2
AR1
BL1
AL1
AR3
T
S1
DR5
BL4
dR1
bL2
QmaxQmin
B
M2
A
M2g
A
LS2
LS2g
PS2g
PS2
M2g'M1g'
PS1g
Pp
PS1
X
T
Dr
C
A
P
aL2
R1
A2
A
C
Dr
DR4
LS1g
LS1
T
SA1
M1g
M1
P2
P1
AL3
BL3
TT
M
P
MA
A1
X
Pp
QminQmax
B
A
PD
P1
P2
T
Pi1
P
P
X
Dr1
C/V
T
AL4
SA2
P
Item
Component
STANDARD COMPONENTS
Component
No.
Item
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Travel Motor (Left)
Swing Motor (Right)
Swing Control Valve
Swing Parking Brake Solenoid
Swing Motor (Left)
MAIN CONNNECTOR LINE
PILOT LINE
DRAIN LINE
Hydraulic Schematic
201-8213
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22 23
24
25
Pi4
Smart Boom Control Solenoid
Stick Cylinder
Boom Cylinder
Boom Lowering Control Valve
Travel Counterbalance Valve (Right)
Travel Motor (Right)
Travel Counterbalance Valve (Left)
Proportional Reducing Valve (Stick Lowering)
Proportional Reducing Valve (Boom Lowering)
Stick Lowering Control Valve
Attachment Proportional Valve
Swivel
Stick Proportional Valve (In)
Left Travel Proportional Valve (Frwd)
Right Travel Proportional Valve (Frwd)
Solenoid Valve (Neutral Bypass)
Neutral Flow Control Valve
Differential Pressure Relief Valve (Rear)
Flow Compensator Valve (Boom)
Work Tool Control Valve
26
27
29
28
30
31
32
33
34 35
36 37 38
39
40
41
42
43
44
45
46
47
48
49
50 51
52
53
54
55
56
57
58 59
60
61
62
63
64
65
66
67
68 69
70
71
72
73
74
75
76
77
78
79
81
80
Flow Compensator Valve (Bucket)
Bucket Control Valve
Flow Compensator Valve (Boom)
Bucket Proportional Valve (Close)
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
Boom Control Valve
Boom Proportional Valve (Rod End)
Main Control Valve
Signal Duplication Valve (Boom Side)
Stick Control Valve
Flow Compensator Valve (Stick)
Left Travel Control Valve
Flow Compensator Valve (Left Travel)
Right Travel Control Valve
Flow Compensator Valve (Right Travel)
Differential Pressure Relief Valve (Front)
Work Tool Rotate Control Valve
Line Relief Valve (Work Tool)
Line Relief Valve (Work Tool)
Attachment Proportional Valve
Bucket Proportional Valve (Open)
Boom Proportional Valve (Head End)
Line Relief Valve (Boom Cylinder Rod End)
Boom Drift Reduction Valve
Signal Relief Valve (Travel)
Signal Relief Valve (Stick Side)
High/Low Relief Solenoid Valve (Stick Side)
Line Relief Valve (Stick Cylinder Head End)
Stick Proportional Valve (Out)
Line Relief Valve (Stick Cylinder Rod End)
Left Travel Proportional Valve (Rev)
Right Travel Proportional Valve (Rev)
Rotate Pilot Control Solenoid
Travel Speed Solenoid Valve
Proportional Reducing Valve
Pilot Relief Valve
Pilot Valve (Hydraulic Activation)
Accumulator
Solenoid Valve (Hydraulic Activation)
Pilot Oil Manifold
Pilot Filter
Bypass Check Valve
Return Filter
Back Pressure Valve
Cooiling Fan Motor
Swing Pump Pressure Sensor
Drain Filter
Return Filter
Hydraulic Tank
Oil Cooler
Drain Filter
Front Pump
Charged Pump
Rear Pump
Pilot Pump
Cooling Pump
Swing Pump
1
2
54
86
7
11
3
15
74 79 80 81
41
32 75
73
76 77 78
57
17
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