RENR1064
2
8/22/2019 RENR1064 http://slidepdf.com/reader/full/renr1064 1/2 ©1997 Caterpillar All Rights Reserved Printed in U.S.A. RENR1064 December 1997 330B Material Handler Electrical System 6DR1-UP T Normally open switch that will close with an increase of a specific condition (temp-press-etc.). Normally open switch that is closed due to an applied condition, and will open again with a specific decrease in that condition. Normally closed switch that will open with an increase of a specific condition. Normally closed switch that is open due to an applied condition, and will close again with a specific decrease in that condition. The circle indicates that the component has screw terminals and a wire can be disconnected from it. No circle indicates that the wire cannot be disconnected from the component. This indicates that the component has a wire connected to it that is connected to ground. This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. Electrical Schematic Symbols And Definitions Pressure Symbol Temperature Symbol Level Symbol Flow Symbol A AA 2 A AA 1 2 325-PK-14 C A 325-PK-14 200-BK-14 T FUSE-A componentinanelectr icalcircui tthatwill openthecircuitiftoomuch currentflows throughit. REEDSWITCH-A switchwhose contacts arecontrolledby a magnet. A magnet closes the contacts of anormally open reedswitch; it opens thecontacts of anormally closed reedswitch. SENDER-A component that is usedwitha temperatureorpressuregauge . Thesender measures thetempera tureorpressure. Its resistancechanges togivean indica tiontothe gaugeof thetempera tureorpressure. RELAY (MagneticSwitch) -A relay is anelectrical component that is activatedby electricity. It hasacoil that makesanelectromagnet whencurrent flowsthrough it. Theelectromagnet canopenorclosethe switchpart of therelay. CIRCUIT BREAKER(C/B) -A componentinanelectr icalcircuitthatwillopenthecircuitiftoo muchcurrent flows throughit. This does not destroythecircuit breaker andit can bereset to becomepart of thecircuit again. SOLENOID-A solenoid is anelectrical component that is activatedby electricity. It has acoil that makes anelectromagnet whencurrent flows throughit. The electromagnet canopenor closeavalveor moveapieceof metalthat candowork. Harness And Wire Electrical Schematic Symbols Socket Pin PinorSocket Number Wire, Cable, orHarness Assembly Identification SingleWire Connector Circuit Number Identification Wire Gauge Wire Color Plug Receptacle 9X-1123 Component Part Number Electrical Schematic Symbols And Definitions 1 1 1 2 2 Typicalrepresentation of a Sure-Sealconnector. The plugandreceptacle contain bothpins and socket s. Typicalrepresentation of a Deutschconnector. The plugcontains allsockets andthereceptacl econtains allpins. MAGNETICLATCH SOLENOID-A magnetic latchsolenoid is anelectricalcomponent that is activatedby electricity andheldlatch by apermanent magnet. It has twocoils (latchand unlatch) that makeelectromagnet whencurrent flows throughthem. It alsohas an internalswitch that places thelatchcoilcircuit openat thetimethe coillatches . A B B C C D D 1 1 2 2 7 7 E E A F F 3 3 4 4 5 5 6 6 8 8 9 9 10 10 11 11 13 13 12 12 14 14 15 15 16 16 17 17 18 18 19 19 20 20 20 22 22 23 23 21 21 24 20 24 Machine Harness Connector And Component Locations ire Number ire Color Description ire Number ire Color Description Power Circuits Accessory Circuits (Continued) 101 RD Bat (+) 578 BU Washer - Aux 103 RD Aux Ckt 590 GY Wiper Sw to Intermittent Module 105 RD Key Sw 592 BU DC/DC Converter Power Output 107 RD Eng Shutdown A513 RD DC/DC Converter Memory Output 108 BU Aux Ckt A571 PU Aux Ckt 1 109 RD Alt Output (+) Term A572 PK Aux Ckt 2 111 RD Aux Ckt A579 OR Wiper Motor (+) 112 PU Main PowerRly Output A586 OR Wiper Sw t o Wiper Cont 113 OR Opr Mon Panel B(+) Switched A588 GN Safety Sol Relay t o Sol 114 RD Warning Horn ( Forward) C537 GN A/C Photo Sensor ( +) Sig 115 PK Aux Ckt C538 OR A/C Photo Sensor (-) Sig 118 GY Aux Ckt LightingCircu its 120 YL Aux Ckt 607 PK Flood Lamps - Front 123 WH Aux Ckt 615 YL Cab Flood Lamp 124 GN A/C 616 BU BoomFloodLamp 129 BU Aux Ckt ControlCircuits 140 BU Aux Ckt 763 BU Torque Converter Sw 147 PU Aux Ckt 786 GN Eng Speed Cont 149 PU Aux Ckt 788 YL Eng Speed (+) 150 RD Bat (+) 791 PK Eng Speed Cont 151 GN Aux Ckt A755 PK Throttle Sw #1 152 BU Aux Ckt A756 BU Throttle Sw #2 154 RD Aux Ckt A757 GY Throttle Sw #3 168 RD Aux Ckt A758 BR Throttle Sw #4 172 RD Aux Ckt A761 PU Elec Pump Cont Gov Feedback 177 RD Main Brkr A762 PU Elec Pump Cont Eng Speed Ground 180 GN Aux Ckt A768 BU Pump Control Valve #1 (+) 185 YL Aux Ckt A769 GY Pump Control Valve #2 (-) 189 RD Aux Ckt A770 PK Elec Pump Control Bypass Sw 191 WH Aux Ckt A771 PU Float Sw GroundCir cuits F771 OR Backup Sw 200 BK Main Chassis F772 WH BackupSw 201 BK Opr Mon Panel F773 OR Governor Accel 235 BK Elec Pump Ctrl Gnd F774 WH Governor Decel BasicMachineCircu its J70 4 WH HydLockSolRe laytoGr appl e a nd Rotate Sw 301 BU Starter No. 1 Sol J705 WH Rotate CCWRelay to Sol 304 WH Starter Rly No. 1Output J706 PU Grapple Close Relay t o Sol 306 GN Starter Rly Coil J707 YL Grapple Open Relay to Sol 307 OR Key Sw t o Neut S tart Sw J708 BR Rotate CW Relay t o Sol 308 YL Main Power Rly Coil J710 WH Aux Ckt 310 PU Start Aid Sw To Start Aid Sol J711 GN Aux Ckt 311 WH Start AidSol ToTempSw J712 YL Aux Ckt 320 OR Horn Rly Coil to Sw J713 BU Aux Ckt 321 BR Travel AlarmLamp J714 BR Aux Ckt 322 GY Warning Horn (Forward) J715 OR Aux Ckt 326 PU Key Sw "C" Term J718 WH Aux Ckt 386 PK Air Shutoff Sol Enable J719 BU Aux Ckt MonitoringCircuits J720 YL Aux Ckt 403 GN Alternator (R) Term J721 PU Aux Ckt 405 GY Opr Mon Oil Press J722 BR Aux Ckt 412 BU Opr Mon Cool Flow 961 GN Hyd Cont Sw 430 BU Opr Mon Air Filter K904 GN Pump Discharge - Signal 487 OR Hyd Oil Flow Sw K905 RD Pump Discharge - (+) B 491 PK Hyd O il Temp Sensor K906 GN Swing Brake Sol -Signal 492 GY Coolant Temp Sensor K907 BU Swing Brake Sol -(+) B 495 GN Fuel Level K909 BU Backup Sw - (+) B 496 WH Opr Mon Panel Hyd Oil Level K911 PK E/P Controller -RS485 (+) C468 BU Engine Oil Level K912 GN E/P Controller - RS485 ( -) AccessoryCircuits K91 5 GN Fi neSwingSw-E/ PCon tro ler 501 GN Wiper - Front K997 BU (+) V Sensor 506 PU Washer - Front L908 OR Controller RS-232C TX 508 PU Radio Speaker - Left L909 BU Controller RS-232C RX 509 WH Radio Speaker - Left (Common) L968 OR Elec Pump Control PS Va lve (-) 511 BR Radio Speaker -Right L969 WH Elec Pump Control PS Valve ( +) 51 2 GN Radi oSpeake r-Right(Common ) L970 GY El e cP ump Con t ro lt oS wit c hR e tu rn 513 OR A/ CComp ressor /Ref ri ge rantP ressur eSw L971 GN El ecPumpCont ro ltoTrave l Pre ss u reSw 519 PK Thermostat to Refrigerant Press Sw L972 BU Low Idle Sw 546 BU Aux Hyd -Rotate CW L973 GN Fine Swing Cont Relay t o Sol Valve 547 OR Aux Hyd -Rotate CCW L974 GN Elec Pump Cont Boom RaisePress Sw 548 GY Aux Hyd - Open L975 PK Start Aid Cont Lamp 1 Output 549 PK Aux Hyd - Close L977 YL Trenching Sol 576 PK Wiper - Aux L978 GY Level Finish Sol Wire Description Component Location Component Schematic Location Machine Location Component Schematic Location Machine Location Actuator- EngineGov A-9 1 Sensor- EngineSpeed B-8 6 Alarm- Travel G-9 2 Sensor- FuelLevel A-5 12 Alternator C-8 3 Sensor- PumpDischargePress B-8 13 Assembly- TerminalBlock F-8 D Sensor- SunLoad F-1 E Batteries - 12VDC H-8,I-8 4 Solenoid - A/C Clutch C-9 14 Breaker - Alternator I-8 D Solenoid - Eng/Pump Control A-7 15 Breaker - Generator I-8 D Solenoid - Engine Shutdown B-8 6 Breaker - Main I-8 D Solenoid - Fine Swing E-7 16 Control - Engine/Pump F-2 C Solenoid - Grapple E-7 16 Controller - Wiper/Washer E-1 E Solenoid - Hydraulic Lock I-1 F Converter - Voltage C-5 A Solenoid - Level Finish A-7 15 Diode - Main Relay H-7 D Solenoid - Rotate D-7 16 Fuses I-4,5,6 B Solenoid - Start Aid H-9 17 Generator B-2 F Solenoid - Swing Brake E-7 16 Ground - Cab B-5 5 Solenoid - Travel Speed A-7 15 Ground - Cab E-1 E Solenoid - Trenching A-7 15 Ground - Chassis A-3 6 Switch - Air Cleaner Flow H-9 18 Ground - Chassis A-8 7 Switch - Aux Hydraulic Pressure H-3 B Ground - Chassis I-8 D Switch - Backup EPR Valve E-5 C Ground - Platform G-2 F Switch - Backup Governor D-5 C Ground - Platform H-1 F Switch - Boom Raise Pressure D-7 C Ground - Relay Panel H-8 D Switch - Coolant Level H-9 17 Ground Strap - Riser to Platform I-6 8 Switch - Disconnect I-8 D Ground Strap - Chassis to Riser H-1 F Switch - Engine Oil Level B-8 21 Horn A-2 7 Switch - Engine Oil Pressure B-9 19 Lighter E-1 E Switch - Fine Swing Control D-4 C Meter - Service F-1 E Switch - Grapple Close F-2 C Monitor F-1 E Switch - Grapple/Magnet E-3 C Motor - Lower Wiper H-1 24 Switch - Grapple Open I-1 B Motor - Starter B-8 6 Switch - Horn I-1 B Motor - Upper Washer I-9 D Switch - Hydraulic Oil Filter A-5 11 Motor - Upper Wiper C-5 9 Switch - Hydraulic Oil Level A-5 11 Radio - 12VDC C-6,I-3 A Switch - Implement Pressure D-7 16 Relay - Boom Lamp I-7 D Switch - Key F-2 C Relay - Cab/Chassis Lamp I-7 D Switch - Lower Washer D-4 C Relay - Grapple Close H-6 F Switch - Lower Wiper D-3 C Relay - Grapple Open H-5 F Switch - Neutral Start Limit I-1 B Relay - Horn I-7 D Switch - One Touch Low Idle F-2 C Relay -Hydraulic Lock Solenoid I-7 D Switch -Refrigerant Low Pressure C-9 17 Relay - Main G-7 D Switch - Rotate CCW I-1 B Relay - Neutral Start F-7 D Switch - Rotate CW F-2 C Relay - Rotate CCW H-6 F Switch - Start Aid D-5 C Relay - Rotate CW H-5 F Switch - Start A id Coolant Temp B-9 10 Relay - Start F-8 D Switch - Suction Line Shutoff Limit A-6 11 Relay - Timer E-7 D Switch - Throttle Position E-3 C Resistor - Backup I-8 D Switch - Travel Pressure D-7 16 Sender - Coolant Temperature B-9 10 Switch Panel F-2 C Sender - Hydraulic Oil Temp A-5 11 Unit - A/C, Heater H-5 20 Machinelocationsare repeatedforcomponentslocated closetogether. A= Locatedinthe operator'scompartment. B =Located inoperator'sleft consolearea. C= Locatedinoperator'sright consolearea. D= Locat edonorneartherelaypane l. E= Locat edindasharea. F=Locatedin CabRiser. Code Descriptionof Problems 1301 Eng ineoi lp r e ssu r e is t o o low . 1302 Eng in e coo lan tte mp e r atu reistoohigh . 1303 Hyd rau licoi lte m pe r a tur eistoohi gh. 1304 Ai rfi lte r i sclog ge d. 1305 Bater yvolt ageisno tn o r ma l. 2201 Gover noractua torfeedbacksenso rcircuitisopenorshor tedtobatte ryvoltage. 2202 Gover noractua torfeedbacksenso rcircuitisshor tedtobodyground. 2301 Gover noractua torfeedbacksigna lisnotstable. 2302 Gover noractua torfeedbacksigna ldeviates . 2303 Governorac tua tordoesnotmove . 2304 Cal ib ra t i o n d ata e r r or. 3201 Mon it or R AM is n ot n o rm a l . 4101 Elect r ic p o w e r s u pp ly t o t h e c o n t r o lleristoomuch(43volt s). 4102 Over -curr entinpropo r t io na lr e d u c i ngvalve. 4103 Propor t ion a lre d ucing va lve cir cu it iso pe n . 4105 Over -curr entindigita loutput(trenchingsolenoi d). 4106 Over -curr entindigita loutput(finecontrolsol enoid ). 4107 Over -curr entindigita loutput(travelspeedchangesolenoid). 4108 Over- c u r r en t in d ig it a lo u t pu t ( t r a v e lalarm). 410A Over -curr entindigita loutput(swi n g b r a k e s o len o id ) . 4201 Eng inespeedisnotnor mal . 4202 En g ine co o la n t t e mp e r a t uresensorisshortedtobodyground. 4203 Hydraulicoiltempe ratur esensorisshor tedtobodyground. 4204 PWMsenso rofpumpdeliver ypressur eisshortedtobodyground. 4207 PWM s en s o r o fp u mp d e l iverypressureisopeninci rcuit. 420A Fue lsensorisshort edtobodyground 420B Fue lse n so r iso pe n o r sho r t edtoba tteryvolt ag e . 420C Elec t r icp o we r sup p l y is t o lo w ( be low 2 3 v o l t s). 420D El ec t r icp o we r sup p l y is t o h igh ( a bo v e 3 2 vo lt s). 420E Eng in e spe e d dialisno tinoneofthe10specif ie d po s i t ion s . 4301 Datamismatch1betweenalterna torandspeedsensor(alt erna torisabnormal). 4302 Datamismatch2betweenalterna torandspeedsensor(speedsensorisabno rmal) . 4303 Eng i n e stall s. A201 Monitorcommunicationis notnormal. A202 Monitortakestoo muchtime torespondto controller'ssignal. A203 Communicationisabnormal incontroller. Real Time Error Codes Off Machine Switch Specification Part No. Function Actuate Deactuate Contact Position 3E-6449 StartAidCoolantTemper ature 38.0±3.0°C (100. 4±5.4°F) 27°CMIN (80.6°FMIN) NormallyClosed 3E- 6455 EngineOi lPr e ssu re 90 ± 21 kPa (13±3.0psi) 70 ± 21 kPa (10±3.0psi) A-B,NormallyOpen A-C,NormallyClosed 106-0179 ImplementPressure TravelPressure 1225. 00±98.00kPa (177.67±14.21 psi) 882.00kPaMIN (127.92psiMIN) NormallyOpen 106- 0180 BoomRaisePressure 2646. 00±196.00kPa (383.77±28.43 psi) 2156.00±196.00 kPa (312.70±28.43 psi) NormallyOpen 106- 0181 HydraulicPressure 4 9 0 . 00 ± 4 9 . 0 0 kPa ( 7 1 . 07 ± 7 . 1 1 p si) 290.00kPaMIN (42.06psiMIN) NormallyOpen 114- 5333 A/CHigh/LowPressu re 275to1750kPa¹ (40to255psi) NormallyOpen² ¹A hysteresisbandexists: withincreasingpressure theclosed conditioncanbe maintainedupto 2800kpa (405psi),with decreasingpressuretheclosed conditioncanbe maintaineddownto 170kpa (25psi). ²Contact postionatthe contactsofthe harnessconnector. - Resistor, Sender and Solenoid Specifications Part No. Component Resistance (Ohms)¹ 3E-6332 Solenoid: Start Aid 6 3E-7985 Solenoid: Engine Shutdown Start(La t c h ) C o il: 1 . 55 ± 0 . 1 5 Stop(Unla tch)Coil :10.3±1.03 3E-9205 Solenoid: Grapple 24.9 4I-5394 Sender: Hydraulic Oil Temp 6130 to 7500 102-8017 Resistor: B ackup 52.0 ± 2.6 111-9916 Solenoid: Engine/Pump Control 11.7 ± 1.2 121-1490 Solenoid: LevelFinish Trenching 32.0±3.2 121-1491 Solenoid: HydraulicLock Swing Brake TravelSpeed 32.0±3.2 134-3998 Solenoid: A /C Clutch 17.6 ± 0.6 ¹ Atroom temperatureunlessotherwisenoted. Connector Location ConnectorNumber Schematic Location Machine Location CONN 1 A-9 21 CONN 2 F-9 D CONN 3 F-9 D CONN 4 G-9 D CONN 5 G-9 D CONN 6 G-8 D CONN 7 G-8 D CONN 8 G-8 D CONN 9 F-8 D CONN 10 C-6 5 CONN 11 C-5 5 CONN 12 C-5 F CONN 13 C-5 F CONN 14 F-5 C CONN 15 F-5 C CONN 16 F-5 C CONN 17 F-5 C CONN 18 F-4 C CONN 19 F-4 C CONN 20 F-4 C CONN 21 F-4 C CONN 22 H-5 B CONN 23 H-5 B CONN 24 H-5 B CONN 25 H-4 B CONN 26 H-4 B CONN 27 H-4 B CONN 28 H-3 B CONN 29 H-3 B CONN 30 C-3 F CONN 31 B-3 7 CONN 32 A-3 22 CONN 33 B-2 23 CONN 34 D-2 C CONN 35 F-6 C CONN 36 G-5 F CONN 37 G-5 F CONN 38 G-8 F CONN 39 G-8 F CONN 40 G-8 F CONN 41 F-9 F CONN 42 F-9 F CONN 43 G-9 F CONN 44 G-9 F CONN 45 G-9 D CONN 46 H-9 F CONN 47 H-9 F Theconnectorsshown inthis chartarefor harnesstoharness connectors. Connectorstha t jo in a h a r n e s s t o a c o m p o ne n t a r e g e n e r allylocat edatornearthe component.See theComponentLocation Chart. Related Electrical Service Manuals Form Number Al ternat or : (100 -5047) SEN R2 08 2 Engine/Pump Control SENR9291 Starting and Charging SENR9292 Start ingMoto r: (6V-0512) Consist: 6V - 0512 SENR3860 Start ingMoto r: (6V-5227) Consist: 6V - 5538 SENR4975 Title
Transcript of RENR1064
8/22/2019 RENR1064
http://slidepdf.com/reader/full/renr1064 1/2
©1997 Caterpillar
All Rights Reserved Printed in U.S.A.
RENR1064
December 1997
330B Material Handler
Electrical System6DR1-UP
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a
specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close againwith a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected
from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded
by being fastened to the machine.
Electrical Schematic Symbols And Definitions
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
A AA
2
A AA
1
2
325-PK-14
C A
325-PK-14
200-BK-14
T
FUSE -A component inan electricalcircuit that will openthecircuit if toomuch current flowsthroughit.
REEDSWITCH-A switchwhose contacts arecontrolledby a magnet. A magnet closes thecontacts of anormally open reedswitch; it opens thecontacts of anormally closed reedswitch.
SENDER -A component that is usedwitha temperatureorpressuregauge. Thesender measures thetemperatureorpressure. Its resistancechanges togivean indicationtothegaugeof thetemperatureorpressure.
RELAY (MagneticSwitch) -A relay is anelectrical component that is activatedby electricity.
It has acoil that makes anelectromagnet whencurrent flowsthrough it. Theelectromagnet
canopenorclosethe switchpart of therelay.
CIRCUIT BREAKER(C/B) -A component inan electricalcircuit that willopenthecircuit if too
muchcurrent flows throughit. This does not destroy thecircuit breaker andit can bereset to
becomepart of thecircuit again.
SOLENOID -A solenoid is anelectrical component that is activatedby electricity. It has acoil
that makes anelectromagnet whencurrent flows throughit. The electromagnet canopenor
closeavalveor moveapieceof metalthat candowork.
Harness And Wire Electrical Schematic Symbols
SocketPin
PinorSocket
Number
Wire, Cable, orHarness Assembly Identification
SingleWireConnector
Circuit Number Identification
Wire
Gauge
WireColor
Plug Receptacle
9X-1123
ComponentPart Number
Electrical Schematic Symbols And Definitions
1
1 1
2 2
Typicalrepresentation of a
Sure-Sealconnector. The
plugandreceptacle contain
bothpins and sockets.
Typicalrepresentation of a
Deutschconnector. The
plugcontains allsockets
andthereceptaclecontains
allpins.
MAGNETICLATCH SOLENOID -A magnetic latchsolenoid is anelectricalcomponent that is
activatedby electricity andheldlatch by apermanent magnet. It has twocoils (latchand unlatch)
that makeelectromagnet whencurrent flows throughthem. It alsohas an internalswitch that places
thelatchcoilcircuit openat thetimethe coillatches.
A
B
B
C
C
D
D
1
1
2
2
7
7
E
E
A
F
F
3
3
4
4
5
5
6
6
8
8
9
9
10
10
11
11
13
13
12
12
14
14
15
15
16
16
17
17
18
18
19
19
20
2020
22
22
23
23
21
21
24
2024
Machine Harness Connector And Component Locations
ire
Number
ire
Color Description
ire
Number
ire
Color Description
Power Circuits Accessory Circuits (Continued)
101 RD Bat (+) 578 BU Washer - Aux
103 RD Aux Ckt 590 GY Wiper Sw to Intermittent Module
105 RD Key Sw 592 BU DC/DC Converter Power Output
107 RD Eng Shutdown A513 RD DC/DC Converter Memory Output
108 BU Aux Ckt A571 PU Aux Ckt 1
109 RD Alt Output (+) Term A572 PK Aux Ckt 2
111 RD Aux Ckt A579 OR Wiper Motor (+)
112 PU Main Power Rly Output A586 OR Wiper Sw to Wiper Cont
113 OR Opr Mon Panel B(+) Switched A588 GN Safety Sol Relay to Sol
114 RD Warning Horn (Forward) C537 GN A/C Photo Sensor (+) Sig
115 PK Aux Ckt C538 OR A/C Photo Sensor (-) Sig
118 GY Aux Ckt LightingCircu its
120 YL Aux Ckt 607 PK Flood Lamps - Front
123 WH Aux Ckt 615 YL Cab Flood Lamp
124 GN A/C 616 BU Boom Flood Lamp
129 BU Aux Ckt ControlCircuits
140 BU Aux Ckt 763 BU Torque Converter Sw
147 PU Aux Ckt 786 GN Eng Speed Cont
149 PU Aux Ckt 788 YL Eng Speed (+)
150 RD Bat (+) 791 PK Eng Speed Cont
151 GN Aux Ckt A755 PK Throttle Sw #1
152 BU Aux Ckt A756 BU Throttle Sw #2
154 RD Aux Ckt A757 GY Throttle Sw #3
168 RD Aux Ckt A758 BR Throttle Sw #4
172 RD Aux Ckt A761 PU Elec Pump Cont Gov Feedback
177 RD Main Brkr A762 PU Elec Pump Cont Eng Speed Ground
180 GN Aux Ckt A768 BU Pump Control Valve #1 (+)
185 YL Aux Ckt A769 GY Pump Control Valve #2 (-)
189 RD Aux Ckt A770 PK Elec Pump Control Bypass Sw
191 WH Aux Ckt A771 PU Float Sw
GroundCir cuits F 771 OR Backup Sw
200 BK Main Chassis F772 WH Backup Sw
201 BK Opr Mon Panel F773 OR Governor Accel
235 BK Elec Pump Ctrl Gnd F774 WH Governor Decel
BasicMachineCircu its J 70 4 W H H yd L oc k So l R el ay t o G ra pp le a nd R ot at e Sw
301 BU Starter No. 1 Sol J705 WH Rotate CCW Relay to Sol
304 WH Starter Rly No. 1Output J706 PU Grapple Close Relay to Sol
306 GN Starter Rly Coil J707 YL Grapple Open Relay to Sol
307 OR Key Sw to Neut Start Sw J708 BR Rotate CW Relay to Sol
308 YL Main Power Rly Coil J710 WH Aux Ckt
310 PU Start Aid Sw To Start Aid Sol J711 GN Aux Ckt
311 WH Start Aid Sol To Temp Sw J712 YL Aux Ckt
320 OR Horn Rly Coil to Sw J713 BU Aux Ckt
321 BR Travel Alarm Lamp J714 BR Aux Ckt
322 GY Warning Horn (Forward) J715 OR Aux Ckt
326 PU Key Sw "C" Term J718 WH Aux Ckt
386 PK Air Shutoff Sol Enable J719 BU Aux Ckt
MonitoringCircuits J720 YL Aux Ckt
403 GN Alternator (R) Term J721 PU Aux Ckt
405 GY Opr Mon Oil Press J722 BR Aux Ckt
412 BU Opr Mon Cool Flow 961 GN Hyd Cont Sw
430 BU Opr Mon Air Filter K904 GN Pump Discharge - Signal
487 OR Hyd Oil Flow Sw K905 RD Pump Discharge - (+) B
491 PK Hyd Oil Temp Sensor K906 GN Swing Brake Sol -Signal
492 GY Coolant Temp Sensor K907 BU Swing Brake Sol -(+) B
495 GN Fuel Level K909 BU Backup Sw - (+) B
496 WH Opr Mon Panel Hyd Oil Level K911 PK E/P Controller -RS485 (+)
C468 BU Engine Oil Level K912 GN E/P Controller - RS485 (-)
AccessoryCircuits K 91 5 G N F in e S wi ng S w - E /P C o nt ro ll er
501 GN Wiper - Front K997 BU (+) V Sensor
506 PU Washer - Front L908 OR Controller RS-232C TX
508 PU Radio Speaker - Left L909 BU Controller RS-232C RX
509 W H Radio Speaker - Left (Common) L968 OR Elec Pump Control PS V alve (-)
511 BR Radio Speaker -Right L969 WH Elec Pump Control PS Valve (+)
51 2 G N R ad io Sp eak er - Ri gh t(C om mo n) L9 70 G Y E le cP ump Con tro lt oS wi tc hR et ur n
5 13 O R A /C C om pr es so r/ Re fr ig er an t Pr es su re S w L 97 1 G N E le c Pu mp C on tr ol t o Tr av el P re ss ur e Sw
519 PK Thermostat to Refrigerant Press Sw L972 BU Low Idle Sw
546 BU Aux Hyd -Rotate CW L973 GN Fine Swing Cont Relay to Sol Valve
547 OR Aux Hyd -Rotate CCW L974 GN Elec Pump Cont Boom Raise Press Sw
548 GY Aux Hyd - Open L975 PK Start Aid Cont Lamp 1 Output
549 PK Aux Hyd - Close L977 YL Trenching Sol
576 PK Wiper - Aux L978 GY Level Finish Sol
Wire Description
Component Location
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
Actuator- EngineGov A-9 1 Sensor- EngineSpeed B-8 6
Alarm- Travel G-9 2 Sensor- FuelLevel A-5 12
Alternator C-8 3 Sensor- PumpDischargePress B-8 13
Assembly- TerminalBlock F-8 D Sensor- SunLoad F-1 E
Batteries - 12VDC H-8,I-8 4 Solenoid - A/C Clutch C-9 14
Breaker - Alternator I-8 D Solenoid - Eng/Pump Control A-7 15
Breaker - Generator I-8 D Solenoid - Engine Shutdown B-8 6
Breaker - Main I-8 D Solenoid - Fine Swing E-7 16
Control - Engine/Pump F-2 C Solenoid - Grapple E-7 16
Controller - Wiper/Washer E-1 E Solenoid - Hydraulic Lock I-1 F
Converter - Voltage C-5 A Solenoid - Level Finish A-7 15
Diode - Main Relay H-7 D Solenoid - Rotate D-7 16
Fuses I-4,5,6 B Solenoid - Start Aid H-9 17
Generator B-2 F Solenoid - Swing Brake E-7 16
Ground - Cab B-5 5 Solenoid - Travel Speed A-7 15
Ground - Cab E-1 E Solenoid - Trenching A-7 15
Ground - Chassis A-3 6 Switch - Air Cleaner Flow H-9 18
Ground - Chassis A-8 7 Switch - Aux Hydraulic Pressure H-3 B
Ground - Chassis I-8 D Switch - Backup EPR Valve E-5 C
Ground - Platform G-2 F Switch - Backup Governor D-5 C
Ground - Platform H-1 F Switch - Boom Raise Pressure D-7 C
Ground - Relay Panel H-8 D Switch - Coolant Level H-9 17
Ground Strap - Riser to Platform I-6 8 Switch - Disconnect I-8 D
Ground Strap - Chassis to Riser H-1 F Switch - Engine Oil Level B-8 21
Horn A-2 7 Switch - Engine Oil Pressure B-9 19
Lighter E-1 E Switch - Fine Swing Control D-4 C
Meter - Service F-1 E Switch - Grapple Close F-2 C
Monitor F-1 E Switch - Grapple/Magnet E-3 CMotor - Lower Wiper H-1 24 Switch - Grapple Open I-1 B
Motor - Starter B-8 6 Switch - Horn I-1 B
Motor - Upper Washer I-9 D Switch - Hydraulic Oil Filter A-5 11
Motor - Upper Wiper C-5 9 Switch - Hydraulic Oil Level A-5 11
Radio - 12VDC C-6,I-3 A Switch - Implement Pressure D-7 16
Relay - Boom Lamp I-7 D Switch - Key F-2 C
Relay - Cab/Chassis Lamp I-7 D Switch - Lower Washer D-4 C
Relay - Grapple Close H-6 F Switch - Lower Wiper D-3 C
Relay - Grapple Open H-5 F Switch - Neutral Start Limit I-1 B
Relay - Horn I-7 D Switch - One Touch Low Idle F-2 C
Relay -Hydraulic Lock Solenoid I-7 D Switch -Refrigerant Low Pressure C-9 17
Relay - Main G-7 D Switch - Rotate CCW I-1 B
Relay - Neutral Start F-7 D Switch - Rotate CW F-2 C
Relay - Rotate CCW H-6 F Switch - Start Aid D-5 C
Relay - Rotate CW H-5 F Switch - Start Aid Coolant Temp B-9 10
Relay - Start F-8 D Switch - Suction Line Shutoff Limit A-6 11
Relay - Timer E-7 D Switch - Throttle Position E-3 C
Resistor - Backup I-8 D Switch - Travel Pressure D-7 16
Sender - Coolant Temperature B-9 10 Switch Panel F-2 C
Sender - Hydraulic Oil Temp A-5 11 Unit - A/C, Heater H-5 20
Machinelocationsare repeatedforcomponentslocated closetogether.
A= Locatedinthe operator'scompartment.
B =Located inoperator'sleft consolearea.
C= Locatedinoperator'sright consolearea.
D= Locatedonorneartherelaypanel.
E= Locatedindasharea.
F = Locatedin CabRiser.
Code Description of Problems
1 3 01 En gi n e o il p r e ss u re i s t o o l ow .
1 3 02 En gi n e c oo l an t t e mp e ra t ur e i s t oo h i g h.
1 3 03 H y dr a ul i c o il t e m pe r at u re i s t o o h ig h .
1 30 4 A ir f il te r is c l og ge d.
1 3 05 Ba tt e ry v o l ta g e i s n ot n o r ma l .
2201 Governoractuatorfeedbacksensorcircuit isopenorshortedtobatteryvoltage.
2202 Governoractuatorfeedbacksensorcircuit isshortedtobodyground.
2301 Governoractuatorfeedbacksignalisnotstable.
2302 Governoractuatorfeedbacksignaldeviates.
2 3 03 G o ve r no r a ct u at o r d oe s n ot m o v e.
2 3 04 C a li b ra t io n d at a e r ro r .
3 2 01 M o ni t or R AM i s n ot n o rm a l.
4101 Electr icpowersupplytothecontroller istoomuch(43volts) .
4102 Over-currentinproportionalreducingvalve.
4 1 03 Pr op o rt i on a l re d uc i ng v a l ve c i r cu i t i s o pe n .
4105 Over-currentindigitaloutput( trenchingsolenoid).
4106 Over-currentindigitaloutput( f inecontrolsolenoid).
4107 Over-currentindigitaloutput( travelspeedchangesolenoid).
4108 Over-currentindigitaloutput( travelalarm).
410A Over-currentindigitaloutput(swingbrakesolenoid).
4 2 01 En gi n e s pe e d i s no t n o rm a l.
4202 Enginecoolanttemperaturesensor isshortedtobodyground.
4203 Hydraulicoiltemperaturesensor isshortedtobodyground.
4204 PWMsensorofpumpdeliverypressureisshortedtobodyground.
4 2 07 PW M s en s or o f p u mp d e li v er y p r es s ur e i s o pe n i n c ir c ui t .
4 2 0A Fu el s e n so r i s s ho r te d t o b od y g r ou n d
4 2 0B Fu el s e n so r i s o pe n o r s ho r te d t o b at t er y v ol t ag e .
4 2 0C El ec t ri c p o we r s up p ly i s t o l o w ( be l ow 2 3 v o lt s ).
4 2 0D El ec t ri c p o we r s up p ly i s t o h i gh ( a bo v e 3 2 vo l ts ) .
4 2 0E En gi n e s pe e d di a l i s n ot i n o n e o f t he 1 0 s p ec i fi e d po s it i on s .
4301 Datamismatch1betweenalternatorandspeedsensor(alternator isabnormal) .
4302 Datamismatch2betweenalternatorandspeedsensor(speedsensor isabnormal).
4 30 3 E ng in e st al ls .
A201 Monitorcommunicationis notnormal.
A202 Monitortakestoo muchtime torespondto controller'ssignal.
A203 Communicationisabnormal incontroller.
Real Time Error Codes
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
3E-6449 StartAidCoolantTemperature38.0±3.0°C
(100.4±5.4°F)
27°CMIN
(80.6°FMIN)NormallyClosed
3 E-6 4 55 En gi n e O il P r e ss u re90 ± 21 kPa
(13±3.0psi)
70 ± 21 kPa
(10±3.0psi)
A-B,NormallyOpen
A-C,NormallyClosed
106-0179ImplementPressure
TravelPressure
1225.00±98.00kPa
(177.67±14.21 psi)
882.00kPaMIN
(127.92psiMIN)NormallyOpen
106-0180 BoomRaisePressure2646.00±196.00kPa
(383.77±28.43 psi)
2156.00±196.00 kPa
(312.70±28.43 psi)NormallyOpen
106-0181 HydraulicPressure490.00±49.00kPa
(71.07±7.11psi)
290.00kPaMIN
(42.06psiMIN)NormallyOpen
114-5333 A/CHigh/LowPressure275to1750kPa¹
(40to255psi)NormallyOpen²
¹A hysteresisbandexists: withincreasingpressure theclosed conditioncanbe maintainedupto 2800kpa (405psi),with decreasingpressuretheclosed
conditioncanbe maintaineddownto 170kpa (25psi).
²Contact postionatthe contactsofthe harnessconnector.
-
Resistor, Sender and Solenoid SpecificationsPart No. Component Resistance (Ohms)¹
3E-6332 Solenoid: Start Aid 6
3E-7985 Solenoid: Engine ShutdownStart(Latch)Coil:1.55±0.15
Stop(Unlatch)Coil:10.3±1.03
3E-9205 Solenoid: Grapple 24.9
4I-5394 Sender: Hydraulic Oil Temp 6130 to 7500
102-8017 Resistor: Backup 52.0 ± 2.6
111-9916 Solenoid: Engine/Pump Control 11.7 ± 1.2
121-1490 Solenoid:LevelFinish
Trenching32.0±3.2
121-1491 Solenoid:
HydraulicLock
Swing Brake
TravelSpeed
32.0±3.2
134-3998 Solenoid: A /C Clutch 17.6 ± 0.6
¹ Atroom temperatureunlessotherwisenoted.
Connector Location
ConnectorNumber SchematicLocation
MachineLocation
CONN 1 A-9 21
CONN 2 F-9 D
CONN 3 F-9 D
CONN 4 G-9 D
CONN 5 G-9 D
CONN 6 G-8 D
CONN 7 G-8 D
CONN 8 G-8 D
CONN 9 F-8 D
CONN 10 C-6 5
CONN 11 C-5 5
CONN 12 C-5 F
CONN 13 C-5 F
CONN 14 F-5 C
CONN 15 F-5 C
CONN 16 F-5 C
CONN 17 F-5 C
CONN 18 F-4 C
CONN 19 F-4 C
CONN 20 F-4 C
CONN 21 F-4 C
CONN 22 H-5 B
CONN 23 H-5 B
CONN 24 H-5 B
CONN 25 H-4 B
CONN 26 H-4 B
CONN 27 H-4 B
CONN 28 H-3 B
CONN 29 H-3 B
CONN 30 C-3 F
CONN 31 B-3 7
CONN 32 A-3 22
CONN 33 B-2 23
CONN 34 D-2 C
CONN 35 F-6 C
CONN 36 G-5 FCONN 37 G-5 F
CONN 38 G-8 F
CONN 39 G-8 F
CONN 40 G-8 F
CONN 41 F-9 F
CONN 42 F-9 F
CONN 43 G-9 F
CONN 44 G-9 F
CONN 45 G-9 D
CONN 46 H-9 F
CONN 47 H-9 F
Theconnectorsshown inthis chartarefor harnesstoharness connectors.
Connectorsthatjoinaharnesstoacomponentaregenerallylocatedatornearthe
component.See theComponentLocation Chart.
Related Electrical Service Manuals
Form Number
A lt er na to r: ( 10 0- 50 47 ) S EN R2 08 2
Engine/Pump Control SENR9291
Starting and Charging SENR9292
StartingMotor: (6V-0512)
Consist: 6V -0512 SENR3860
StartingMotor: (6V-5227)
Consist: 6V -5538 SENR4975
Title
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