Fluid Power and Electrical Graphic Symbols Electrical Power Graphic Symbols Caterpillar


Electrical Power Graphic Symbols
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Fluid Power and Electrical Graphic Symbols [SENR3981]
ELECTRICAL AND STARTING SYSTEM
Fluid Power and Electrical Graphic Symbols Electrical Power Graphic Symbols
1.1. Basic Component Symbols
2.1. Switches
3.1. Resistors
4.1. Wire Coloring
5.1. Wire Identification
6.1. Components
7.1. Connectors
8.1. Splices

Note: Use this module as a basic reference guide for graphic symbols. Do not use this module as a comprehensive reference guide.

Basic Component Symbols



Illustration 1g01390407
(A) Solenoid
(B) Motor
(C) Battery
(D) Exterior light
(E) Circuit breaker
(F) Fuse
(G) Backlight
(H) Potentiometer
(J) Ground
(K) Resistor
(L) Alternator
(M) Gauge
(N) Normally open relay
(P) Normally closed relay
(R) Starter

Switches



Illustration 2g01390733
(S) Disconnect switch
(T) Normally open temperature switch
(U) Normally closed temperature switch
(V) Pressure switch
(W) Normally open pressure switch
(X) Normally closed pressure switch
(Y) Toggle switch
(Z) Flow switch
(AA) Key switch

Resistors



Illustration 3g01390734
(AB) Pressure resistor
(AC) Temperature resistor
(AD) Float resistor

Wire Coloring

Red ... RD

White ... WH

Orange ... OR

Yellow ... YL

Pink ... PK

Black ... BK

Gray ... GY

Purple ... PU

Brown ... BR

Green ... GN

Blue ... BU

Wire Identification



Illustration 4g01409811
Old format
(AE) Wire label
(AF) Color code
(AG) Wire size


Illustration 5g01409813
New format
(AE) Wire label
(AF) Color code
(AG) Wire size
(AH) Wire number 5 in harness "H"

Components



Illustration 6g01409816
Old format


Illustration 7g01409817
New format

Connectors



Illustration 8g03212180
Old format
(AJ) Connector label
(AK) Receptacle side of connector
(AL) Plug side of connector


Illustration 9g03212181
New format
(AJ) Connector label
(AK) Receptacle side of connector
(AL) Plug side of connector

Note: "H" is the harness identification, "C" stands for the connector, and "P/N" is the receptacle connector part number.

Splices



Illustration 10g03212377
Old format
(AM) Splice


Illustration 11g03212379
New format
(AM) Splice
(AN) Side 2 of the splice
(AP) Side 1 of the splice

Information System:

Inspection of Rim Assemblies of Off-Highway Trucks {4201, 4209}
CB14 Paving Compactor Machine Systems Drum - Install
AS4251C Asphalt Paver Operator Controls
AS4251C Asphalt Paver Operator Controls - Main Control Panel
AS4251C Asphalt Paver Operator Controls - Right Control Panel
AS4251C Asphalt Paver Operator Controls - Left Control Panel
AP655D and BG655D Asphalt Pavers Propel System Piston Pump Neutral - Test and Adjust - Right Propel Pump (Steel Track)
CB14 Paving Compactor Machine Systems Drum - Remove
3176C, 3406E and 3456 Industrial Engines Electronic Service Tools
16M Motor Grader Power Train Transmission - Assemble
16M Motor Grader Power Train Transmission - Disassemble
Bench Test Procedure for Hydraulic Piston Pumps{5070}
CB14 Paving Compactor Machine Systems Final Drive Planetary (Drum Propel) - Remove
CB14 Paving Compactor Machine Systems Final Drive Planetary (Drum Propel) - Disassemble
CB14 Paving Compactor Machine Systems Final Drive Planetary (Drum Propel) - Assemble
CB14 Paving Compactor Machine Systems Final Drive Planetary (Drum Propel) - Install
EquipmentManager Dealer Administrator Manual Manage Equipment Groups
R2900G Load Haul Dump Lifting and Tying Down the Machine
C4.4 (Mech) Industrial Engine Engine Valve Lash - Inspect/Adjust
AP655D and BG655D Asphalt Pavers Propel System Piston Pump Neutral - Test and Adjust - Left Propel Pump (Steel Track)
259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3, 226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Power Train Track (Rubber) - Remove and Install
AP655D and BG655D Asphalt Pavers Propel System Relief Valve (Charge) - Test and Adjust - Right Pump (Steel Track)
AP655D and BG655D Asphalt Pavers Propel System Pump Synchronization - Test and Adjust - Steel Track
C15 and C18 Generator Set Engines Fuel Cooler - Remove and Install