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CAT 330D and 336D Excavator Hydraulic System Attachment Stick Lowering Control Valve

INTERACTIVE SCHEMATIC
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©
2010 Caterpillar, All Rights Reserved
Printed in U.S.A.
RENR9458-03
April 2010
Stick Lowering Control Valve
330D and 336D Excavator
Hydraulic System - Attachment
330D:
GBC1-UP
GGE1-UP
THJ1-UP
LRM1-UP
ERN1-UP
RAS1-UP
T2Y1-UP
336D:
J2F1-UP
JBF1-UP
PRF1-UP
LMG1-UP
MYG1-UP
KDJ1-UP
W3K1-UP
WRK1-UP
PPN1-UP
MYP1-UP
JWR1-UP
DTS1-UP
KKT1-UP
WET1-UP
PGW1-UP
COMPONENT LOCATION
Description
Part
Number
Machine
Location
Schematic
Location
Accumulator Gp - Hydraulic (Charged) 164-6981 B-4
Cylinder Gp - Boom NOTE A F-2
Cylinder Gp - Bucket NOTE A F-7
Cylinder Gp - Stick NOTE A F-7
Filter & Valve Gp - Pilot (Hydraulic Oil) 158-8987 A-4
Filter Gp - Oil (Hydraulic Return) 188-4140 A-6
Filter Gp - Oil (Hydraulic, Case Drain) 126-2075 A-4
Manifold Gp - Control (Pilot Oil) 215-8987 B-6
Motor Gp - Piston (Fan) 234-4638 A-7
Motor Gp - Swing 200-3373 F-5
Motor Gp - Travel
271-6376
F-5
F-3
Left
Right
Left
Right
Pump Gp - Piston (Hydraulic Fan) 259-0815 B-3
Pump Gp - Piston (with Pilot Gear Pump) 283-6116 B-2
Swivel Gp 234-4440 E-4
Valve Gp - Check (Oil Cooler Bypass) (Control Valve) 190-7745 A-7
Valve Gp - Main Control 285-1536 C-1
Valve Gp - Pilot (Joystick, LH) 270-5951 C-7
Valve Gp - Pilot (Joystick, RH) 270-5947 C-6
Valve Gp - Pilot (Travel) 270-5947 D-7
Valve Gp - Pressure Reducing (Boom, Swing Priority) 234-4102 B-4
Valve Gp - Shuttle 185-0462 B-6
259-7732 B-4
Valve Gp - Solenoid (Heavy Lift) 121-6303 A-4
Valve Gp - Swing Cushion (Fine Swing) 158-9085 E-5
Valve Gp - Travel Counterbalance
204-2819
E-5
E-3
3
5
Block 201-9379 D-24
6
7
8
9
10
11
Block 201-9379 D-5
Valve Gp - Load Control
(Stick Lowering, Drift Reduction, Relief)
E-6
263-1962
1
2
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Note A: Refer to Parts Manual for your specific machine.
Standard 330D with Heavy Lift and Fine Swing
Attachment
Valve Gp - Manual (Boom Lower) 270-5692 E-2
Valve Gp - Load Control
(Boom Lowering, Drift Reduction, Relief)
E-3
255-5683
Left
Right E-1
42
40
41
Boom Lowering Control Valve
TAP LOCATION
Tap
Number
Description
Schematic
Location
AA Pilot Filter Pressure Test Port A-4
BB Drive Pump Pressure Test P ort B-2
CC Power Shift Pressure Test Port A-2
DD Idler Pump Pressure Test Port A-2
SOS Hydraulic Oil Sampling Port A-4
FLUID POWER SYMBOLS
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)
2-SECTION PUMP
MAIN
AUX.
SPRING
(ADJUSTABLE)
VARIABILITY
LINE RESTRICTION
(VARIABLE)
LINE RESTRICTION
VARIABLE and PRESSURE
COMPENSATED
PRESSURE
COMPENSATION
PUMP: VARIABLE and
PRESSURE COMPENSATED
ENERGY TRIANGLES
HYDRAULIC PNEUMATIC
MEASUREMENT
PRESSURE
TEMPERATURE
FLOW
ROTATING SHAFTS
UNIDIRECTIONAL BIDIRECTIONAL
PUSH-PULL LEVER PEDALGENERAL MANUAL PUSH BUTTON SPRING
MANUAL CONTROL SYMBOLS
HYDRAULIC MOTORS
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
HYDRAULIC PUMPS
FLUID STORAGE RESERVOIRS
CROSSING AND JOINING LINES
VALVE ENVELOPES
VALVE PORTS
BASIC COMPONENT SYMBOLS
FLUID CONDITIONER
PUMP or MOTOR
FIXED
DISPLACEMENT
VARIABLE DISPLACEMENT
NON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVES
PILOT CONTROL SYMBOLS
RELEASED PRESSURE
EXTERNAL RETURN
INTERNAL RETURN
REMOTE SUPPLY PRESSURE
SIMPLIFIED
COMPLETE
INTERNAL
SUPPLY PRESSURE
ACCUMULATORS
SPRING LOADED GAS CHARGED
SOLENOID
or MANUAL
SOLENOID
and PILOT
SOLENOID and
PILOT or MANUAL
COMBINATION CONTROLS
SOLENOID
SERVO
THERMAL
DETENT
HYDRAULIC AND PNEUMATIC CYLINDERS
DOUBLE ACTINGSINGLE ACTING
BASIC
SYMBOL
SPRING
LOADED
CHECK VALVES
TWO
POSITION
INFINITE
POSITIONING
FLOW IN ONE
DIRECTION
FLOW ALLOWED IN
EITHER DIRECTION
THREE
POSITION
CROSS
FLOW
PARALLEL
FLOW
INTERNAL PASSAGEWAYS
NORMAL POSITION
A B
P T
A B
P T
SHIFTED POSITION
INFINITE POSITION
CONTROL VALVES
ATTACHMENT
MANUAL SHUTOFF
SHUTTLE PILOT
CONTROLLED
ELECTRICAL SYMBOLS
Hydraulic Symbols (Electrical)
325-AG135 PK-14
Circuit Identification
Number
Wire Color
Wire Gauge
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
A
Wire
Wire
(EXAMPLE VALVE)
Current Standard
Transducer
(Fluid)
Transducer
(Gas / Air)
G
Generator
Electrical Wire
Pressure Switch
M
Electric Motor
Pressure Switch
(Adjustable)
Temperature Switch
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
Electrical Symbols (Electrical)
T
LINE PATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
Attachment
Air Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)
YY
HYDRAULIC CIRCUIT COLOR DESCRIPTIONS
PILOT PUMP OUTPUT
IMPLEMENT AND LEFT TRAVEL PUMP OUTPUT
HEAVY LIFT CONTROL CIRCUIT
LEFT TRAVEL CONTROL AND LEFT TRAVEL MOTOR CIRCUIT
HYDRAULIC FAN PUMP OUTPUT
POWER SHIFT CONTROL CIRCUIT
SUPPLY LINE
SHUTTLE VALVE CONTROL CIRCUIT
STICK CONTROL AND STICK CYLINDER CIRCUIT
ATTACHMENT CONTROL CIRCUIT
SWING CONTROL AND SWING MOTOR CIRCUIT
DRAIN / RETURN LINE
SWING BRAKE CONTROL CIRCUIT
IMPLEMENT AND RIGHT TRAVEL PUMP OUTPUT
TRAVEL SPEED CONTROL CIRCUIT
BUCKET CONTROL AND BUCKET CYLINDER CIRCUIT
RIGHT TRAVEL CONTROL AND RIGHT TRAVEL MOTOR CIRCUIT
BOOM CONTROL AND BOOM CYLINDER CIRCUIT
THIS SCHEMATIC IS FOR THE 330D AND
336D EXCAVATOR HYDRAULIC SYSTEM
ATTACHMENT: STICK LOWERING CONTROL VALVE
MEDIA NUMBER: RENR9458-03
PART NUMBER: 255-5869, CHANGE: 00, VERSION: HE
Components are shown installed on a fully operable machine.
Refer to the appropriate Service Manual for Troubleshooting, Specifications.
A
B
C
D
E
F
1234567
A
B
C
D
E
F
1234567
TRAVEL(L)
TRAVEL(R)
(23) VALVE GP
PILOT (TRAVEL)
270-5947
T1
T5
BACKFWDBACK FWD
T2
T4
T6
T3
JLP
JLT
STICK SWING
OUT
JL1
IN
JL3
R L
JL2
JL4
BUCKET BOOM
OPEN CLOSE DOWN UP
JR1
JR2
JR3
JR4
A1
A2
A3
A4
A5
A6 A7
A8
B1
B2 B3
B4
B5
B6
B7
B8
TRAVEL MOTOR (LEFT)
TRAVEL MOTOR (RIGHT)
T1
Pp3
Pp3
T1
A
B
A B
(7) CYLINDER GP
STICK
(5) CYLINDERGP
BOOM
(6) CYLINDER GP
BUCKET
P2
Pi1
P1
DR1
DR2
DR3
DR4
DR5
DR6
P-IN
PSA1
PSA2
T-OUT1
T-OUT2
Pi2
Di2
Pi2
Pi3
Di3
DST
bR2
Di1
T
AL4
aL4
SP3
Di4
Pi4
Pi1
BP3 BP2
R3aR5
AR2
BR2
aR2
SWING MOTOR
P1
P2
T
A1
A2
B1
B2
aL3
(13) MOTOR GP
SWING
200-6376
(28) VALVE GP
SWING CUSHION
(FINE SWING)
158-9085
(14) MOTOR GP
TRAVEL
271-6376
(29) VALVE GP
TRAVEL
COUNTERBALANCE
204-2819
(15) MOTOR GP
TRAVEL
271-6376
(30) VALVE GP
TRAVEL
COUNTERBALANCE
204-2819
(18) SWIVEL GP
234-4440
(4) BLOCK
201-9379
(1) BLOCK
201-9379
(20) VALVE GP
MAIN CONTROL
285-1536
(19) VALVE GP
CHECK
(OIL COOLER
BYPASS)
190-7745
(9) FILTER GP
OIL (RETURN)
188-4140
(10) FILTER GP
OIL (CASE DRAIN)
126-2075
(25) VALVE
GP SHUTTLE
259-7732
(11) MANIFOLD GP
CONTROL (PILOT)
215-8987
(8) FILTER
AND VALVE
GP PILOT
158-8987
JRP
JRT
(21) VALVE GP
PILOT
(JOYSTICK, LH)
270-5951
(22) VALVE GP
PILOT
(JOYSTICK, RH)
270-5947
(3) ACCUMULATOR GP
164-6981
bR5
IN
OUT
T
TT
TP
PG PC
PAC
R.C.V : RETURN CHECK VALVE
Pi5
(27) VALVE
GP
SOLENOID
(HEAVY
LIFT)
121-6303
(24) VALVE GP
PRESSURE
REDUCING
(BOOM, SWING
PRIORITY)
234-4102
T2
T2
D
E F
G
SP2
AG
AG
BG
BG
AR5BR5
P
A
T
PG
DR
BG
AG
B
A
Pi1
Ps2
Pi2
D1
Ps1
S1
S
B
Dr1
LEFT
PUMP
PILOT
HYDRAULIC FAN
IDLER
RIGHT
PUMP
PRESSURE SENSOR
(IDLER PUMP)
PRESSURE SENSOR
(DRIVE PUMP)
DRIVE
Psv
a4
a1
a3
L
a2
(17) PUMP GP
PISTON
283-6116
a5
L1
(16) PUMP GP
PISTON
(HYDRAULIC FAN)
259-0815
M1
M2
A4
D0
(12) MOTOR GP
PISTON (FAN)
234-4638
(26) VALVE
GP
SHUTTLE
185-0462
aL1 bL1 bR1 aR1
AL3
BL3
AR3 BR3
AL2BL2
aR3-a aR4 bR3 bR4 bL3 bL2 bL4 aL2
bL3 bL2
bL1
bR1
bR3 bR4
BL3 AL3
AL1AL2
BL1BL2
aL2
aR1
AR1
BR1 AR3BR3
aL1
aR3
aR4
NO.1
(TRAVEL)
NO.2
(SWING)
NO.3
(LOCK)
bL4
AR1BR1AL1BL1
R.C.V-C
R.C.V-B
R.C.V-A
R.C.V-A
R.C.V-B
R.C.V-C
PRPL
PL
PR
HR
HR
HL
HL
DR
A1
B1
DRDR1 L2L3
A
B
STICK(2)
BOOM(1)
ATCH
BUCKET
TRAVEL(R)
TRAVEL(L)
SWING
STICK(1)
BOOM(2)
(UP)
(OUT)
(IN)
(R)
(L)
(BACK)
(FWD)
(BACK)
(OPEN)
(CLOSE)
(UP)
(DOWN)
(OUT)
(IN)
BTBP1
BR4
SP1
ST
BL3
R1
R2
PROPORTIONAL
REDUCING VALVE
HYDRAULIC TANK
SLOW RETURN BYPASS
DD
CC
BB
AA
SOS
(40) VALVE GP
LOAD CONTROL
(BOOM LOWERING
DRIFT REDUCTION, RELIEF)
255-5683
(41) VALVE GP
LOAD CONTROL
(BOOM LOWERING,
DRIFT REDUCTION,
RELIEF)
255-5683
(42) VALVE GP
MANUAL
(BOOM LOWER)
270-5692
CYL
LEFT VALVE RIGHT VALVE
CV
Pi
T
Dr
X
X
CYL
CV
Pi
T
Dr
X
X
CYL
CV
Pi
T
Dr
(2) VALVE GP
LOAD CONTROL
(STICK LOWERING
DRIFT REDUCTION
, RELIEF)
263-2962
ACCUMULATOR
3
BLCV : BOOM LOWERING CONTROL VALVE
FWD
42
41
40
VIEW ALL CALLOUTS
LINE GP - SLCV
SLCV: Stick Lowering Control Valve
FWD
2
MOTOR GP - SWING SWIVEL
28
18
13
VIEW ALL CALLOUTS
PUMP GP - PISTON (MAIN)
SOS
DD
CC
BB
AA
17
10
9
8
VIEW ALL CALLOUTS

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