KENR6108
July 2008
Ultra-High Demolition
365C Excavator
Hydraulic System - Attachment
MEM1-UP
MCY1-UP
Printed in U.S.A.© 2008 Caterpillar, All Rights Reserved
ONE POSITION TWO POSITION THREE POSITION
VENTED
PRESSURIZED
RETURN ABOVE FLUID LEVEL RETURN BELOW FLUID LEVEL
LINES CROSSING LINES JOINING
TWO - WAY THREE - WAY FOUR - WAY
SPRING CONTROL VALVES RESTRICTION LINE RESTRICTION
(FIXED)
PUMP
(2 - SECTION)
SPRING
(ADJUSTABLE)
VARIABILITY LINE RESTRICTION
(VARIABLE)
PRESSURE
COMPENSATION
PUMP
(VARIABLE & PRESSURE
COMPENSATED)
MEASUREMENT
PRESSURE TEMPERATURE FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH - PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVE ENVELOPES VALVE PORTS
FLUID CONDITIONERPUMP OR MOTOR
FLUID POWER SYMBOLS
UNIDIRECTIONAL
BIDIRECTIONAL
RELEASED PRESSURE
EXTERNAL RETURN INTERNAL RETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED
HYDRAULIC PUMPS
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOID
OR MANUAL
SOLENOID
& PILOT
SOLENOID &
PILOT OR MANUAL
SOLENOID SERVO THERMAL DETENT
HYDRAULIC & PNEUMATIC CYLINDERS
DOUBLE ACTINGSINGLE ACTING
BASIC
SYMBOL
SPRING
LOADED
CHECK VALVES
2 POSITION
INFINITE
POSITIONING
FLOW IN ONE
DIRECTION
FLOW IN
EITHER
DIRECTION
3 POSITION
CROSS
FLOW
PARALLEL
FLOW
INTERNAL PASSAGEWAYS
NORMAL POSITION
AB
PT
AB
PT
SHIFTED POSITION INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUAL SHUTOFF
SHUTTLE PILOT
CONTROLLED
MAIN AUX
LINE RESTRICTION
(VARIABLE & PRESSURE
COMPENSATED)
MANUAL CONTROL SYMBOLS
HYDRAULIC MOTORS
FLUID STORAGE RESERVOIRS
CROSSING & JOINING LINES
VALVES
PILOT CONTROL SYMBOLS
COMBINATION CONTROLS
BASIC COMPONENT SYMBOLS
ENERGY TRIANGLES
HYDRAULIC PNEUMATIC
INTERNAL
SUPPLY PRESSURE
COMPLETE
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
HYDRAULIC SYMBOLS (ELECTRICAL)
ELECTRICAL SYMBOLS TABLE
325-AG135 PK-14
HARNESS IDENTIFICATION CODE THIS EXAMPLE
INDICATES WIRE 135 IN HARNESS “AG”
325-PK-14
WIRE GAUGE
WIRE COLOR
CIRCUIT NUMBER
IDENTIFICATION
WIRE NUMBER IDENTIFICATION CODES
CURRENT STANDARD
PREVIOUS STANDARD
ELECTRICAL SCHEMATIC EXAMPLE HYDRAULIC SCHEMATIC EXAMPLE
325-PK
WIRE COLOR
CIRCUIT NUMBER
IDENTIFICATION
B
WIRE
WIRE
(EXAMPLE VALVE)
CURRENT STANDARD
TRANSDUCER
(FLUID)
M
ELECTRIC MOTORTRANSDUCER
(GAS / AIR)
G
GENERATOR
PRESSURE SWITCH ELECTRICAL WIREPRESSURE SWITCH
(ADJUSTABLE)
TEMPERATURE
SWITCH
PRESSURE
SWITCH
TEMPERATURE
SWITCH
LEVEL
SWITCH
FLOW
SWITCH
ELECTRICAL SYMBOLS (ELECTRICAL)
A
CIRCUIT NUMBER
IDENTIFICATION
WIRE
COLOR
WIRE GAUGE
T
KENR6108
30 Page, (Dimensions: 39 inches x 28 inches)
49
49
EE
DD
FF
GG
CC
6
47
54
54
HH
58
43 23
46
44
16
57
42
51
5215
14
25
24
28
29
45
53
53
32
23
54
43
46
44
47
42
17
16
57
252415
14
1514
30
31
30
31
27
2515
27
24
26
26
25
27
24
14
127
29
26
26
28
29
33
33
42
40
42
40 41
41
55
55
FORE-BOOM CYLINDER
HEAD END
BOTTOM VEIW
ULTRA-HIGH DEMOLITION COMPONENT LOCATIONS
FORE-BOOM LOAD CONTROL
49
BOOM LOAD CONTROL
Tap Locations
Pressure, Sampling, and Sensor
Tap
Number
Description
Schematic
Location
AA Front Pump Delivery Pressure B-6
BB Rear Pump Delivery Pressure B-6
CC Power Shift Pressure B-5
DD Load Sense Presuure E-1
EE Pilot Relief Valve Pressure (XA) E-2
FF Pilot Relief Valve Pressure (XB) E-1
GG Fore-Boom, Cylinder Extend Pressure E-1
GAGE VARIATION AID OPTION
48
Description
Part
Number
Machine
Location
Schematic
Location
Accumulator Gp - Pilot 7Y-8421 8 B-7
Coupling Gp - 217-3024 1 E-2, D-1, D-4
Coupling Gp - 217-3025 6 E-2, D-1, D-4
Coupling Gp - 231-9163 9 B-2, C-2,
Coupling Gp - Qk Dscnnct, Female 237-8966 10 B-3, B-2, B-1, C-1
Coupling Gp - 241-3661 11 B-1
Coupl
ing Gp - 241-3662 12 B-1, B-2, C-1, C-2,
Fitting Gp - Qk Dscnnct, Male 126-1540 13 B-1, B-3, C-1, C-2, B-2
Fitting Gp - Quick Dscnnct, Female 208-1774 14 E-4
Fitting Gp - Quick Dscnnct, Male 208-1773 15 E-4
Housing Gp - 171-0049 16 C-2
Motor Gp - Swing, RH 234-4527 19 F-5
Motor Gp - Swing,LH 234-4525 18 F-5
Motor Gp - Travel, Left 147-5784 5 E-6
Motor Gp - Travel, Right 147-5784 5 E-6
Pump Gp - Hydraulic Oil Cooler 247-8968 21 A-5
S
ensor As - Boom Pressure 221-8859 32 E-7
Swivel Gp - 156-0622 7 D-6
Valve Gp - Ball 232-7226 17 F-3
Valve Gp - Main Control 251-2156 22 C-5 to C-8
Valve Gp - Shut Off 226-9860 23 F-3
Valve Gp - Manual 271-2705 24 F-8, D-4, D-3, A-4
Valve Gp - Manual 271-2706 25 F-8, D-4, D-3, B-4
Valve Gp - Manual 271-2707 26 C-4, A-3
Valve Gp - Manual 271-2708 27 C-4, B-3
Valve Gp - Manual 271-2709 28 F-8, D-1, D-4, A-4, A-3
Valve Gp - Manual 271-2711 2
9 F-8, D-1, C-4, A-4, A-3
Valve Gp - Manual 277-0954 30 B-4
Valve Gp - Manual 292-7752 31 B-3
Valve Gp - 297-0370 33 E-7
Valve Gp - Pilot, Mnfld / Reducing 140-0736 3 A-8
Valve Gp - Swing Control 241-8928 20 E-5
Valve Gp - Swing Cushion 116-3420 2 E-5
Valve Gp - Travel, Counterbalance 143-8067 4 E-6
Switch As - Attachment Pressure 266-5881 40 E-8
Switch As - Fore-Bm Pilot Press. 309-5769 41 C-1
Valve As - Shuttle 8J-6875 42 C-3, E-8
Val
ve Gp - Control, Cab Tilt Cyl. 179-2123 43 F-2
Valve Gp - Cntrl, Tilt Cab / Rotator 201-5335 44 E-2
Valve Gp - Check, Bucket Cylinder 202-6281 45 F-8
Valve Gp - Sol., Wk Tl Free Rotate 219-7876 46 E-3
Valve Gp - Check, Bm Lwr Cntrl 233-7881 47 D-1
Valve Gp - Adj. Gage Undercarriage 241-3135 48 B-2
Valve Gp - Load Cntrl, Fore-Boom 289-4617 49 E-1
Valve Gp - Pressure Control
311-1038 58 D-2
Valve Gp - Load Cntrl, Fre-Bm Cyl. 312-0
705 50 D-1
Valve Gp - 321-8295 51 F-3
Valve Gp - Check, Stick Cylinder 321-8297 52 E-4
Valve Gp - Load Control, Boom 297-0487 53 E-6, E-7
Valve Gp - Pilot 206-3336 54 C-1
Valve Gp - Shuttle 4T-1860 55 C-7
Valve Gp - Sol., Rotator / Boom 171-0028 57 C-2, C-3, D-7
Component Locations
Attachment - Ultra-High Demolition
365C Standard Excavator
Note : Always check Parts Manual for your specific machine.
Parts not sho
wn are found on RENR7306,
365C Excavator Hydraulic System
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
Attachment
Air Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)
Components (By number)
YY
52
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
PILOT PUMP OUTPUT AND CIRCUITS
MAIN PUMP OUTPUT
TOOL ROTATOR CIRCUIT
FORE-BOOM CYLINDER CIRCUIT
TILT CAB CYLINDER CIRCUIT
POWER SHIFT CONTROL CIRCUIT
HYDRAULIC OIL COOLER PUMP AND CIRCUIT
SUPPLY LINE
GAGE VARIATION AID OPTION
STICK CYLINDER CIRCUIT
LEFT TRAVEL MOTOR CIRCUIT
ATTACHMENT CIRCUIT
SWING MOTOR CIRCUIT
DRAIN / RETURN LINE
LOAD SENSING CIRCUIT
TRAVEL SPEED CONTROL CIRCUIT
BUCKET CYLINDER CIRCUIT
RIGHT TRAVEL MOTOR CIRCUIT
BOOM CYLINDER CIRCUIT
KENR6108
30 Page, (Dimensions: 39 inches x 28 inches)
THIS SCHEMATIC IS FOR THE 365C EXCAVATOR
ATTACHMENT: ULTRA-HIGH DEMOLITION
MEDIA NUMBER: KENR6108
PART NUMBER: 294-7150, CHANGE: 03, VERSION: V
Components are shown installed on a fully operable machine.
Refer to the appropriate Service Manual for Troubleshooting, Specifications.
12345678
A
B
C
D
E
F
12345678
A
B
C
D
E
F
D1
A
B
Dr
LEFT TRAVEL MOTOR
BL1
AL1
AR1
BR1
X
T1
T2
BG
B
A
AG
A
B
L
BR
L
BR
A
B
X
T1
T2
BG
B
A
RIGHT SWING MOTOR LEFT SWING MOTOR
PR
PD
PG1
PG2
DB
PB
M
B
A
PA
M1 M2
SDr1
SP
T P SDr2
R
M
PA
PB
PG
DB
L2
L1
Qmax Qmin
P2
Dr
BL2
PSA3
PSA2
PSA1
PG
PIN
TOUT
DR1
DR2
DR3
Pi5
PAC
Pi3
Pi2
Pi1
Pi4
Pi6
M1
T2T1
R
S
A
PSA4
DR6
M
G
D2
R2
ATT
AR3
AL3
PSg
a2
a1
DR5
BL4
BOOM CYLINDER
BUCKET CYLINDER
bL2
Dr
T
Pi1
Dr1
PF
PR
C/V
LS2
A
DR1
PS1
DR
R1
STICK
BUCKET
S
BOOM
TRAVEL
(L)
TRAVEL
(R)
DR4
LS1
SA1
P2
P1
)(
REV
FWD FWD
REV
aL1
aR1
bL4
aL4
bR1
bL1
OUT
IN
P2
P1
aR3
aL3
bR3
bL3
BR3
BL3
aL2
UP
CLOSE
DOWN
B1
OPEN
SA2
DOUBLE
SINGLE
DOUBLE
SINGLE
DOUBLE ACTION
SINGLE ACTION
SINGLE ACTION
DOUBLE ACTION
FORE SINGLE ACTION
GAGE VARIATION AID OPTION
DOUBLE
SINGLE
DOUBLE
SINGLE
FORE-BOOM CYLINDER
p
t
1
3
2
B
A
A
B
STICK CYLINDER
B
A
TLCV
TOUT
M
B
A
LS
LS
pA
pB
PT
LS
B
P
A2
TT
A1
P
TOOL ROTATOR
A
TILT CAB CYLINDER
180
180
C
D
LS
LS
C
D
180
180
NOTE B
C1
C2
M1
M2
V1 V2
180
180
CD
LS
A
LS
B
180
180
A
B
LS
A
LS
B
P
LS
M
250
PIL(1)
C(2)
P(3)
T(4)
LS
LS+
P
Size 16
S200
Size 25
S400
A
B
P
XA
XB
MB
T
ML
XL
MP
MT
X
L
AB
MB
OPTIONAL
XA
TB
MB
AB
BL3
AL3
TLCV
AL2
AL2
BL2
AR3
(LOCKOUT)
(PUMP)
(TRAVEL)
BL1
AL1
BR1
AR1
BL4 AL4
AL4
TOUT
LS
LS
Pp
Pp
PSA4
PSA4
PSA3
PSA3
BR3
BR3
TOUT
TOUT
RIGHT TRAVEL MOTOR
C/V
Dr1
Pi1
T
DR3
DR3
PSA1
PSA1
PSA2
PSA2
DR2
DR2DR1
DR1
DR4
DR4
DR5
DR5
EE
AA
BB CC
DD
EE
FF
GG
HH
To D-4
To D-7
To E-4
To E-8
To C-3
To D-7
NOTE C: HYDRAULIC SCHEMATIC SHOWS MACHINE IN UHD CONFIGURATION.
VALVES SHOWN IN NEUTRAL POSITION
FOR INFORMATION ABOUT MACHINE IN RETROFIT CONFIGURATION
SEE STD HYDRAULIC SCHEMATIC + BLCV + SB + COMB + SLCV (HPC ON).
NOTE B: FREE ROTATE VALVE ACTUATED BY PRESSURE SWITCH
(UHD FRONT PARTS)
SEE SCHEMATIC ELEC. (294-0793) FOR FURTHER DETAILS
ABOUT BOOM RECOGNITION
VALVE GP
MANUAL
271-2708
VALVE GP
MANUAL
271-2707
COUPLING GP
217-3025
COUPLING GP
217-3024
FITTING GP
QUICK
DISCONNECT
MALE
208-1773
FITTING GP
QUICK
DISCONNECT
MALE
208-1773
FITTING GP
QUICK
DISCONNECT
FEMALE
208-1774
FITTING GP
QUICK
DISCONNECT
FEMALE
208-1774
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
MANUAL
271-2708
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
MANUAL
271-2707
VALVE GP
MANUAL
277-0954
VALVE GP
MANUAL
292-7752
FITTING GP
126-1540
FITTING GP
126-1540
COUPLING GP
237-8966
COUPLING GP
241-3662
VALVE GP
241-3135
FITTING GP
126-1540
FITTING GP
126-1540
COUPLING GP
241-3662
COUPLING GP
241-3662
COUPLING GP
237-8966
COUPLING GP
231-9163
COUPLING GP
231-9163
COUPLING GP
237-8966
FITTING GP
126-1540
FITTING GP
126-1540
COUPLING GP
241-3662
COUPLING GP
241-3662
COUPLING GP
237-8966
COUPLING GP
237-8966
COUPLING GP
241-3661
VALVE GP
PILOT
206-3336
SWITCH AS
309-5769
VALVE GP
233-7881
VA
LVE GP
233-7881
COUPLING GP
217-3025
COUPLING GP
217-3024
VALVE GP
311-1038
VALVE GP
312-0705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
289-4617
VALVE GP
179-2123
VALVE GP
226-9860
VALVE GP
232-7226
VALVE GP
201-5335
HOUSING GP
171-0049
VALVE AS
8J-6875
COUPLING GP
217-3025
COUPLING GP
217-3024
VALVE GP
219-7876
VALVE GP
321-8295
VALVE GP
321-8297
VALVE GP
233-7881
MOTOR GP
SWING, LH
234-4525
MOTOR GP
SWING, RH
234-4527
VALVE GP
SWING CUSHION
116-3420
VALVE GP
SWING CONTROL
241-8928
VALVE GP
TRAVEL
COUNTERBALANCE
143-8067
VALVE GP
TRAVEL
COUNTERBALANCE
143-8067
SWIVEL GP
156-0622
MOTOR GP
LEFT TRAVEL
147-5784
MOTOR GP
RIGHT TRAVEL
147-5784
SENSOR AS
221-8859
VALVE GP
LOAD CONTROL
BOOM
297-0487
VALVE GP
202-6281
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
VALVE GP
MANUAL
271-2706
VALVE GP
MANUAL
271-2705
VALVE GP
MANUAL
271-2709
VALVE GP
MANUAL
271-2711
FITTING GP
QUICK
DISCONNECT
MALE
208-1773
FITTING GP
QUICK
DISCONNECT
FEMALE
208-1774
VALVE GP
297-0370
VALVE GP
8J-6875
SWITCH AS
266-5881
VALVE GP
SHUTTLE
4T-1860
ACCUMULATOR GP
PILOT
7Y-8421
VALVE GP
MANIFOLD AND REDUCING
PILOT
140-0736
PUMP GP
HYDR. OIL CLR
247-8968
VALVE GP
251-2156
VALVE GP
SOLENOID
BOOM LOAD CONTROL
171-0028
V
ALVE GP
SOLENOID
ROTATOR LOAD CONTROL
171-0028
VALVE GP
LOAD CONTROL
BOOM
297-0487
PF PR
PFPR
PF
PR
Dr1
B
P
A2
TT
A1
P
C
D
250
Size 16
S200
Size 25
S400
A
B
P
XA
T
XL
MP
MT
X
L
AB
MB
OPTIONAL
XA
TB
MB
Dr1
T
T
