©
2003 Caterpillar
All Rights Reserved
Printed in U.S.A.
This attachment schematic is to be used in conjunction with the Standard Schematic in this Service Manual.
RENR7189
May 2003
365B and 365B Series II Excavators
(Duplicated Load Signal)
Smart Boom with Boom Lowering
Control Valve
JMB1-UP
SDL1-UP
Hydraulic System - Attachment
DER1-UP
R
T1
RIGHT
L'
L'
B' A'
C/V
Dr1
CYL
Pi1
BR
BR
MB
MA
M
MB
A'B'
STICK CYLINDER
LEFT
BUCKET CYLINDER
PR
PG
E
F
SWING
L2
D
L1
Qmax Qmin
T1
LEFT
A'
D
F
E
P
T
M2
M1
B'
B A
TRACK
T2
X
T2
BL2
AL2
B
LL1S
PSA3
PSA2
PSA1
PG
PIN
TOUT
DR1
DR2
DR3
Pi5
PAC
Pi3
Pi2
Pi1
Pi4
Pi6
M1
T2T1
R
S
AS
PSA4
DR6
M
G
aR3
aL3
bR3
bL3
aL1
aR1
bL4
aL4
bR1
PF
PR
bL1
P
R1
D1
D2
R2
AL4
BR1
R2
ATT
AR1
BL1
AL1
AR3AL3
BL3
RIGHT
T
S1
DR5
BL4
bL2
QmaxQmin
B
M2
M2g
A
LS2
LS2g
PS2g
PS2
M2g'M1g'
PS1g
PS1
aL2
R1
STICK
P
BUCKET
BOOM
TRAVEL
(L)
TRAVEL
(R)
P1
DR4
P2
Dr
BR3
)(
LS1g
LS1
SA1
M1g
M1
P2
P1
)(
M
P
MA
QminQmax
B
A
PD
P1
P2
T
Dr
Pi1
X
CYL
Dr1
C/V
SA2
P
PILOT LINE
DRAIN LINE
This Attachment Schematic is intended to
be used in conjunction with the Standard
Hydraulic Schematic in this Service Manual.
Hydraulic Schematic
MAIN CONNECTOR LINE
217-2501
1
2
3
4
1
Item
No.
Description
ATTACHMENT COMPONENTS
2
3
4
Solenoid Valve (Smart Boom)
Boom Lowering Control Valve
Boom Lowering Control Valve
Pressure Switch
1
32
4
g01000265
