View
5
Download
0
Category
Preview:
DESCRIPTION
UENR3242UENR3242-00_SIS
Citation preview
7/21/2019 UENR3242UENR3242-00_SIS
http://slidepdf.com/reader/full/uenr3242uenr3242-00sis 1/2
UENR3242September 2013
Shovel Crane with Flow Restriction
320E Excavator Hydraulic System - Attachment
Printed in U.S.A.© 2013 Caterpillar, AllRights Reserved
LAK1-UP
O N E PO S IT I ON T W O P O SI T IO N T HR E E PO S IT I ON
V EN TE D P RE SS UR IZ ED R ET UR NA BO VE FL UI DL EV EL R ET UR NB EL OW FL UI DL EV EL
L I NE S C RO S SI N G L I NE S J OI N IN G
TWO - WAY TH RE E- WAY FO UR - WAY
S P RI N G C O NT R OL V A LV E S R E ST RI C TI O N L I NE R E ST RI C TI O N(FIXED)
PUMP(2 - SECTION)
SPRING(ADJUSTABLE)
V AR IA BI LI TY L IN ER ES TR IC TI ON(VARIABLE)
PRESSURECOMPENSATION
PUMP(VARIABLE&PRESSURE
COMPENSATED)
MEASUREMENT
PR ES SUR E TE MP ERAT URE FL OW
ROTATING SHAFTS
U NI DI RE CT IO NA L B ID IR EC TI ON AL
PUSH - PULL LEVER PEDALGENERAL MANUAL PUSHBUTTON SPRING
FIXEDDISPLACEMENT
VARIABLEDISPLACEMENTNON-COMPENSATED
UNIDIRECTIONAL
BIDIRECTIONAL
VALVE ENVELOPES VALVE PORTS
FLUIDCONDITIONERPUMPORMOTOR
FLUID POWER SYMBOLS
UNIDIRECTIONAL
BIDIRECTIONAL
RELEASEDPRESSURE
E XT ER NA L RE TU RN I NT ER NA L RE TU RN
REMOTESUPPLYPRESSURE
SIMPLIFIED
HYDRAULICPUMPS
ACCUMULATORS
S P RI N G L O AD E D G A S CH A RG E D
SOLENOIDOR MANUAL
SOLENOID&PILOT
SOLENOID&PILOTORMANUAL
SOLENOID SERVO THERMAL DETENT
HYDRAULIC&PNEUMATICCYLINDERS
DOUBLEACTINGSINGLEACTING
BASICSYMBOL
SPRINGLOADED
CHECKVALVES
2 POSITIONINFINITE
POSITIONING
FLOWINONEDIRECTION
FLOW INEITHER
DIRECTION
3 POSITION
CROSSFLOW
PARALLELFLOW
INTERNALPASSAGEWAYS
NORMALPOSITION
AB
P T
AB
P T
SHI FTEDPOSI TI ON I NFINI TEPOSI TION
CONTROLVALVES
ATTACHMENT
MANUALSHUTOFF
S HUT TL E P ILO TCONTROLLED
MAIN AUX
LINERESTRICTION(VARIABLE&PRESSURE
COMPENSATED)
MANUALCONTROLSYMBOLS
HYDRAULICMOTORS
FLUIDSTORAGERESERVOIRS
CROSSING &JOINING LINES
VALVES
PILOT CONTROLSYMBOLS
COMBINATIONCONTROLS
BASICCOMPONENT SYMBOLS
ENERGYTRIANGLESHYDRAULIC PNEUMATIC
INTERNALSUPPLYPRESSURE
COMPLETE
FIXEDDISPLACEMENT
VARIABLEDISPLACEMENTNON-COMPENSATED
HYDRAULICSYMBOLS(ELECTRICAL)
ELECTRICAL SYMBOLS TABLE
325-AG135 PK-14
HARNESSIDENTIFICATIONCODE THISEXAMPLEINDICATESWIRE135 INHARNESS“AG”
325-PK-14
WIREGAUGE
WIRECOLOR
CIRCUITNUMBER
IDENTIFICATION
WIRENUMBERIDENTIFICATIONCODES
CURRENT STANDARD
PREVIOUSSTANDARD
E LE CT RI CA L SC HE MA TI C EX AM PL E H YD RA UL IC S CH EM AT IC E XA MP LE
325-PK
WIRECOLORCIRCUITNUMBER
IDENTIFICATION
B
WIRE
WIRE
(EXAMPLEVALVE)
CURRENT STANDARD
TRANSDUCER(FLUID)
M
ELECTRICMOTORTRANSDUCER(GAS/ AIR)
G
GENERATOR
PRESSURE SWITCH ELECTRICAL WIREPRESSURESWITCH(ADJUSTABLE)
TEMPERATURESWITCH
PRESSURE
SWITCH
TEMPERATURE
SWITCH
LEVEL
SWITCH
FLOW
SWITCH
ELECTRICALSYMBOLS(ELECTRICAL)
A
CIRCUITNUMBERIDENTIFICATION
WIRECOLOR
WIREGAUGE
T
U E N R 3 2 4 2
3 0 P a g e , ( D i m e n s i o n s : 3 9 i n c h e s x 2 8 i n c h e s )
FWD
BOOM
SWINGDRIVE
MAINCONTROL
VALVE
TOP VIEWFWD
OPERATOR CONTROL (CAB REMOVED)
4 6
125
35
13 36
39
3 34 3317 2 24
23
40
41
44
42
18
263125
45
MAIN CONTROL VALVE
FWD
FWD
RIGHT SIDE VIEW
LEFT SIDE VIEW
BRG
38
19
27
21
10
37
1
22
29
20
32
30
Tap
Number Description
Schematic
Location
PG PilotPump DeliveryPressure A-4
SOS Oil Sampling Port A-4
G1 Drive Pump DeliveryPressure A-3
G2 IdlerPump DeliveryPressure B-3
D Pump Case DeliveryPressure A-3
AA Boom Up Limit REPRV Pressure D-4
Ps Powershift Pressure B-2
Pn1 Negative Flow Control -Drive Pump A-2
Pn2 Negative Flow Control -IdlerPump B-2
BRG Boom Regeneration Pressure B-8
TapLocation
Pressure and Sampling
CheckPart Numbersin the PartsManualsfor your SpecificMachine
PG
AA
SOS
7
9
8
16
4315 28
11
D
MAIN HYDRAULIC PUMP
G1Ps1
Pn1
G2
Ps Pn214
MACHINE COMPONENT LOCATIONS WORKTOOL CONTROL
STICK CYLINDER
320E STANDARD
DescriptionPart
Number
Machine
Location
Schematic
Location
AccumulatorGp -Hydraulic 164-6981 1 B-4
Control Gp - Joystick (LH) 323-7948 2 E-3
Control Gp - Joystick (RH) 323-7947 3 E-2
Cy li nd e r Gp - B o om 3 41 - 27 9 0 4 F - 8
Cylinder Gp - Bucket 356-8788 5 D-1
Cy li nd e r Gp - S t ic k 3 41 - 28 0 2 6 F - 1
F ilt er and V alv e Gp - Pilo t(H yd. Oil) 158- 89 87 7 B- 4
F ilt er Gp - Oil (H ydr auli c R et ur n) 188- 41 45 8 A- 4
F il te rG p - Oi l( Hy dr au li c, C as e D ra in ) 2 89 -8 19 4 9 A -4
M an if ol d G p - C on tr ol (P il ot O il Su pp ly ) 2 15 -5 03 7 1 0 C -4
M ot o r Gp - S w in g 3 34 - 99 6 8 1 1 F - 6
Motor Gp - Travel (Left) 209-5992 12 F-5
Motor Gp - Travel (Right) 209-5992 13 F-4
Pump Gp -Ma in Hydrau l ic 339-0512 14 B-2
Screen Gp -Hydrau l ic 326-4408 15 A-4
S en so rG p - Pr es su re ( Bo om U p Co nt ro l) 3 38 -6 97 0 1 8
16
D-2
SensorGp -Pressure (Boom Cyl.Head End) 338-6971 39 E-7
S en so r Gp - P r es su re ( B oo m C yl . Ro d En d) 3 38 -6 97 1
17
F-8
S en so r Gp - Pr es su re (B oo m D ow n C tr l) 3 38 -6 97 0
19
D-3
S en so rG p - Pr es su re (D ri ve Pu mp ) 3 38 -6 97 1
20
A-7
S en so rG p - Pr es su re ( Id le rP um p) 3 38 -6 97 1
21
A-6
Sensor Gp - Pressure (NFC1) 338-6970
22
D-7
Sensor Gp - Pressure (NFC2) 338-6970
23
D-6
S en so rG p - Pr es su re ( Sw in g C tr l) 3 38 -6 97 0
24
D-2
S wi tc h A s - Pr es su re (I mp le me nt ) 3 19 -4 40 7
25
D-2
S wi tc h A s - Pr es su re (L ef t Tr av el ) 3 19 -4 40 7
26
F-3
S wi tc h A s - Pr es su re (R ig ht T ra ve l) 3 19 -4 40 7
27
F-2
SwivelGp 234-4440
28
E-5
Tank and FilterGp -Hydraulic 341-5365
29
A-4
V al ve G p - C he ck ( Oi l Co ol er B yp as s) 3 35 -0 30 0
30
D-5
Valve Gp - Main Control 335-0180
31
D-7
Va lv e G p - Pi lot (W it h S hu tt le) 3 23- 776 232
F-3V a lv e G p - P re s su r e Re d uc i ng ( B oo m P ri or i ty ) 3 52 - 70 6 5
33
C-2
Valve Gp -Shuttle 323-7560
34
D-2
V a lv e Gp - S wi n g Cu sh i on ( Cr o ss o ve r Rel ie f ) 1 58 - 90 8 5
35
E-6
V al ve G p - Tr av el C ou nt er ba la nc e (L ef t ) 3 22 -8 71 4
36
E-5
V a lv e G p - T r av e l Co u nt e rb a la nc e ( R ig h t) 3 22 - 87 1 4 E - 4
ComponentLocation
Attachment:ShovelCranewithFlowRestriction
Block Gp 323-7604 37 B-8
Block Gp 323-7765 38 D-5
Valve - Check (Boom) 4I-8789 40 E-7
Valve - Check (Bucket) 4I-8789 41 D-1
Valve - Check (Stick) 4I-8789 42 E-1
V a lv e Gp - Che c k A n d Re li ef ( B oo m Lo wer i ng Con t ro l ) 3 3 5- 0 40 5 4 3 F - 7, F - 8
V al ve Gp - Ch ec k A nd Re li ef ( St ic k L oa d C on tr ol ) 3 52 -7 19 6 4 4 E -1
V al ve Gp - So le no id (B oo m / Bu ck et C on tr ol ) 3 35 -0 22 3 4 5 D -4
7/21/2019 UENR3242UENR3242-00_SIS
http://slidepdf.com/reader/full/uenr3242uenr3242-00sis 2/2
U E N R 3 2 4 2
3 0 P a g e , ( D i m e n s i o n s : 3 9 i n c h e s x 2 8 i n c h e s )
Components are shown installed on a fully operable machine with the key and engine off, transmission shifter in neutraland with parking brake set.
Refer to the appropriate Service Manualfor Troubleshooting, Specif ications and Systems Operations.
ATTACHMENT: SHOVEL CRANEWITHFLOW RESTRICTION
SCHEMATICPART NUMBER: 372-5628, CHANGE: 00, VERSION: HE
MEDIANUMBER: UENR3242
THISSCHEMATICISFORTHE320EEXCAVATORHYDRAULICSYSTEM
12345678
A
B
C
D
E
F
12345678
A
B
C
D
E
F
LINEPATTERNS
Drain / Return Lines
Component Group
Pilot / Load Sensing Pressure
Pressure Line
Attachment
Air Line
CALLOUTS
Taps (Pressure, Sampling, Sensor - by letter)YY
HYDRAULICCIRCUIT COLORDESCRIPTIONS
PILOT PUMPOUTPUT
IDLERPUMPOUTPUT
POWERSHIFT CONTROL CIRCUIT
SUPPLYLINE
STICKCYLINDERANDCONTROL CIRCUIT
LEFT TRAVEL MOTORANDCONTROL CIRCUIT
SWING MOTORANDCONTROL CIRCUIT
DRAIN/ RETURNLINE
SWING PARKING BRAKECONTROL CIRCUIT
DRIVEPUMPOUTPUT
TWO SPEEDTRAVEL CONTROL
BUCKET CYLINDERANDCONTROL CIRCUIT
RIGHT TRAVEL MOTORANDCONTROL CIRCUIT
BOOM CYLINDERANDCONTROL CIRCUIT
P2
T
P1
A2 A1
P2 P1
pR5f
pL3b
pL3f
CRN-T
PRV-B
TCV Pi
CYL
DRSLCV-Dr
SLCV-Pi
SLCV-T
(45) VALVE GPSOLENOID(BOOM / BUCKET CONTROL)
335-0223
L5
R5
SOS
(28) TANK AND FILTER GPHYDRAULIC
341-5365
(24) SWITCH ASPRESSURE(IMPLEMENT)319-4407
(18) SENSOR GPPRESSURE
(BOOM UP CONTROL)
338-6970
(7) FILTER AND VALVE GPPILOT (HYDRAULIC OIL)
158-8987
(9) FILTER GPOIL (HYDRAULIC,
CASE DRAIN)
289-8194
(8) FILTER GPOIL
(HYDRAULIC RETURN)188-4145
(15) SCREEN GPHYDRAULIC
326-4408
DR6T-OUT1DR5Pi2DR4DR3
P2 P-IN PSA2 DR1 PSA1 DR2T-OUT2Pi1
PAC
SWGPRKG BKCONTROL
2 SPEEDTRAVEL
CONTROL
P1
TRAVEL MOTOR(LEFT) TRAVEL MOTOR(RIGHT)
Pp3
B A B A
AG
AGBG
BG
T2T2
T1T1
Pp3
2 SPEEDTRAVEL
CONTROL
DRAINFILTER
SWGMOTORDRAIN
(FWD) (FWD)(BKWD) (BKWD)
T
OUT
PG PC
IN
DRAINFILTER
PD-Dr
MF-TANKPD-Pi
NFC-Pi
MF-PpST
L6
SP2
R1L1 L2 R2
PRV-T
dST
NFC-Dr
R.C.V-D
dR1b
BLCV-Dr
SLCV-Dr
MF-P
MF-TANK
RDr
pR5b
pL5f
P2
pL4b
pR4b
pSR
pR6f
SLCV-Pi
pL5b
pR3b
A1 A2 A3 A4 A5 A6 A7 A8
B1 C1 B2 B3 C2 B4 C 3 B5 B6 B7 C 4 B8
pR3f PRV-B
P1
BLCV-Pi
pBR
P A
B
T
pL6f
PRV-T
(OUT) (IN) (R) (L) (CLOSE)(OPEN) (DOWN) (UP)
JLP
JLT
JRP
JRT
BOOMBUCKETSTICK SWING
JL1 JL3 JL2 JL4 JR4JR2 JR3JR1
TP
TT
TRAVEL(L) TRAVEL(R)
(FWD) (BKWD) (FWD)(BKWD)
T1T5T2 T4T6T3
1
1
2
23
3
4
4
5
5 6
6
pR2bpL2bpL1f pR1f
PD-Pi
PD-Dr CRN-T
HYD. LOCKSOL
BOOM UPLIMITREPRV
BUCKET OPENLIMIT REPRV
TRAVEL SPEEDCHANGESOL
SWING
BRKSOL
(17) SENSOR GPPRESSURE
(BOOM DOWN CTRL)
338-6970 (23) SENSOR GPPRESSURE(SWING CTRL)338-6970
(36) VALVE GPTRAVELCOUNTERBALANCE (RIGHT)322-8714
(27) SWIVEL GP
234-4440
(31) VALVE GPPILOT (WITH SHUTTLE)
323-7762
(2) CONTROL GPJOYSTICK (LH)
323-7948
(3) CONTROL GPJOYSTICK (RH)
323-7947
(33) VALVE GPSHUTTLE323-7560
(41) VALVE
CHECK (BUCKET)4I-8789
(44) VALVE GPCHECK AND RELIEF(STICK LOAD CONTROL)352-7196
(42) VALVE
CHECK (STICK)4I-8789
(10) MANIFOLD GPCONTROL(PILOT OIL SUPPLY)215-5037
(1) ACCUMULATOR GPHYDRAULIC164-6981
(6) CYLINDER GPSTICK
341-2802
(5) CYLINDER GP
BUCKET356-8788
(32) VALVE GPPRESSURE REDUCING
(BOOM PRIORITY)352-7065
PG
(13) MOTOR GPTRAVEL (RIGHT)209-5992
(25) SWITCH ASPRESSURE
(LEFT TRAVEL)319-4407
(26) SWITCH ASPRESSURE
(RIGHT TRAVEL)319-4407
(12) MOTOR GPTRAVEL (LEFT)
209-5992
(35) VALVE GP
TRAVELCOUNTERBALANCE (LEFT)
322-8714
(11) MOTOR GPSWING334-9968
A B
MU
DR
PG
SWING MOTORSWG
PRKG BKCONTROL
SWGMOTORDRAIN
(L)(R)
A1 B1DR
AG BG
R4L4
BP2
(34) VALVE GPSWING CUSHION
(CROSSOVER RELIEF)158-9085
MU
(38) BLOCK GP323-7765
(37) BLOCK GP323-7604
(30) VALVE GPMAIN CONTROL
335-0180
(21) SENSOR GP
PRESSURE(NFC 1)
338-6970
(22) SENSOR GPPRESSURE
(NFC 2)338-6970
A
E
C
B
NFC1LIMIT
EPRV
NFC2LIMITEPRV
R.C.V-D
pR5f
L2
L1
R3
pR3b
pL2b
pL3f
pL5b
pL3b
pL4b
L5
L4
pL5f
pR1f
R5
R4
L6
pR6f
pR2b
pSR
MU
R1
R2
SP2
pR3f
pR4b
pST
dST
P1 P2
pL6f
pL1f
pR5b
dR1b
RDr
pBR
NFC-PiNFC-Dr
SLCV-T
TRAVEL(L)
TRAVEL(R)
STR-TRAVEL
BOOM(1)BOOM(2)
BOOMREGEN
REPRV
SWING
PRIORITYSOL
SWING
STICK(2)
STICK(1)
(FWD)
(FWD)
(BKWD)
(BKWD)
(DOWN)
(UP)
(UP)
(R)
(L)
(OUT)
(OUT)
(IN)
(IN)
NFC-Dr1NFC-S1 NFC-S2NFC-Dr2
R6
L3
(CLOSE)(OPEN)
BUCKET
T
BT3
ST6
BRG
BP2
NFC1 NFC2
STRAIGHT
TRAVEL SOL
(19) SENSOR GP
PRESSURE(DRIVE PUMP)
338-6971
(20) SENSOR GPPRESSURE
(IDLER PUMP)338-6971
(29) VALVE GPCHECK
(OIL COOLERBYPASS)335-0300
BRG
PsM2 A2
A1
G1
S1
Pi
Ps2
Pn2
G4
Pm
Ps1
M1
M2
S3
G2
G3
Pn1
PsM1
A3
DrM
Dr
G2
AA
D
Ps
Pn2
Pn1
G1
P2
P1
NFC2
NFC1
(14) PUMP GPMAIN HYDRAULIC
339-0512
PS PRESS
EPRV
PUMP-S2PUMP-S1
BLCV-Dr
BLCV-Pi
X
X
Dr
Pi
T
CYL CV
X
Dr
CVCYL
Pi
T
X
R3
(43) VALVE GPCHECK AND RELIEF
(BOOMLOWERING CTRL)
335-0405
(39) SENSOR GPPRESSURE
(BOOM CYL. HEAD END)338-6971
(16) SENSOR GPPRESSURE(BOOM CYL.ROD END)338-6971
(4) CYLINDER GPBOOM
341-2790
(40) VALVECHECK (BOOM)4I-8789
Recommended