8H8556 SOCKET (1" Opening) Caterpillar parts
235, 245, 725, 730, 735, 740, 953, 955C, 963, 973, D250B, D250E, D250E II, D25C, D25D, D3, D300B, D300E, D300E II, D30C, D342C, D350C, D350E, D350E II, D35C, D35HP, D400, D400E, D400E II, D40D, D4E SR...
Rating:
Alternative (cross code) number:
CA8H8556
8H-8556
8H8556
CA8H8556
8H-8556
8H8556
![Caterpillar 8H8556 SOCKET (1" Opening)](https://storage.googleapis.com/a2109_c1_300/p/caterpillar/socket/8h8556.png "Caterpillar 8H8556 SOCKET (1" Opening) parts catalog")
Weight: 0.30 pounds 0 kg.
ARTICULATED TRUCK, TRACK-TYPE TRACTOR,
Compatible equipment models: 8H8556:
Number on catalog scheme:
None
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Description
The assembly for the rotor position sensor (RPS) is located on the top of each of the flywheel assemblies. The flywheel assemblies are mounted to the upper bearing. The rotor position sensor generates the rotor speed feedback that is used by the system controller. The feedback is used in order to derive the gate signals for the flywheel inverter modules. The board also generates the signals that are used to monitor the levels of vibration in the flywheel.3.0+ hardware uses an "Optical RPS" assembly in place of the previous unit. The "Optical RPS" assembly is made up of three major components:
Comm/Accel fiber optic board
RPS fiber optic cable
Comm/Accel LED boardThe Comm/Accel fiber optic board interfaces with the Comm/Accel LED board and to the flywheel interface board. The Comm/Accel fiber optic board has two accelerometers that measure the horizontal and vertical vibrations. The measurements for vibration are sent to the flywheel interface board.The rotor position sensor detects rotation of the rotor. Also, the rotor position sensor consists of a coupled light beam that is interrupted by a slotted rotor.The Comm/Accel LED board provides the light source (LED) that is picked up by the Rotor position sensor.The Comm/Accel fiber optic board converts the light signal to an electrical signal. The electrical signal is transmitted to the flywheel interface board.The assembly for the magnetic RPS sensor can be upgraded to the assembly for the optical RPS sensor with a retrofit kit. Refer to Systems Operation, Testing and Adjusting, UENR3954, "Attachments" for further information.Removal Procedure
Refer to Systems Operation, Testing and Adjusting, UENR3954, "Internal Component Preremoval Steps (Flywheel Cabinet)" in order to shut down the system and gain access to internal components.
Electrostatic discharge can damage integrated circuits or semiconductors if you touch bus connector pins. When not in use, keep the module in a static-shield bag. Follow these guidelines when you handle
The assembly for the rotor position sensor (RPS) is located on the top of each of the flywheel assemblies. The flywheel assemblies are mounted to the upper bearing. The rotor position sensor generates the rotor speed feedback that is used by the system controller. The feedback is used in order to derive the gate signals for the flywheel inverter modules. The board also generates the signals that are used to monitor the levels of vibration in the flywheel.3.0+ hardware uses an "Optical RPS" assembly in place of the previous unit. The "Optical RPS" assembly is made up of three major components:
Comm/Accel fiber optic board
RPS fiber optic cable
Comm/Accel LED boardThe Comm/Accel fiber optic board interfaces with the Comm/Accel LED board and to the flywheel interface board. The Comm/Accel fiber optic board has two accelerometers that measure the horizontal and vertical vibrations. The measurements for vibration are sent to the flywheel interface board.The rotor position sensor detects rotation of the rotor. Also, the rotor position sensor consists of a coupled light beam that is interrupted by a slotted rotor.The Comm/Accel LED board provides the light source (LED) that is picked up by the Rotor position sensor.The Comm/Accel fiber optic board converts the light signal to an electrical signal. The electrical signal is transmitted to the flywheel interface board.The assembly for the magnetic RPS sensor can be upgraded to the assembly for the optical RPS sensor with a retrofit kit. Refer to Systems Operation, Testing and Adjusting, UENR3954, "Attachments" for further information.Removal Procedure
Refer to Systems Operation, Testing and Adjusting, UENR3954, "Internal Component Preremoval Steps (Flywheel Cabinet)" in order to shut down the system and gain access to internal components.
Electrostatic discharge can damage integrated circuits or semiconductors if you touch bus connector pins. When not in use, keep the module in a static-shield bag. Follow these guidelines when you handle
Cat SIS web machinery list:
Parts socket Caterpillar catalog:
130G, 140G, 14G, 205B, 206B, 211B, 212B, 214, 214B, 215, 215B, 215D, 224B, 225, 225D, 227, 229, 229D, 231D, 235, 235C, 245, 245B, 245D, 30/30, 307, 311, 3114, 3116, 312, 3126, 3126B, 315, 317, 3176B, ...
120G, 130G, 14G, 16G, 30/30, 416B, 416C, 426C, 428C, 436C, 438C, 583R, 587R, 615, 633E II, 637E, 657E, 776C, 916, 926, 936, 936F, 950B, 966D, 980C, CP-433E, CS-423E, CS-531C, CS-533C, CS-533E, CS-563C...
10-20B, 1090, 1190, 1190T, 1290T, 1390, 216, 216B, 216B3, 226B, 226B3, 228, 232B, 236, 236B, 236B3, 236D, 242B, 242B3, 242D, 246C, 246D, 247, 247B, 247B3, 248, 252B, 252B3, 256C, 257B, 257B3, 257D, 25...
10-20B, 120M, 120M 2, 12M, 12M 2, 140M, 140M 2, 14M, 160M, 160M 2, 16M, 2290, 2390, 2391, 2491, 24H, 24M, 2590, 3306C, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 361...
10-20B, 120H, 120K, 120K 2, 120M, 120M 2, 12H, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 140G, 140H, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14H, 14M, 160H, 160K, 160M, 160M 2, 160M 3, 16...
216, 216B, 216B3, 226B, 226B3, 228, 232B, 236, 236B, 236B3, 236D, 242B, 242B3, 242D, 246C, 246D, 247, 247B, 247B3, 248, 252B, 252B3, 256C, 257B, 257B3, 257D, 259B3, 259D, 262C, 262C2, 262D, 267, 267B,...
2U5047
SOCKET 1/2 DRIVE 13MM A/F
725, 730, 735, 740, D250B, D250E, D250E II, D25C, D25D, D300B, D300E, D300E II, D30C, D350C, D350E, D350E II, D35C, D35HP, D400, D400E, D400E II, D40D
725, 730, 735, 740, D250B, D250E, D250E II, D25C, D25D, D300B, D300E, D300E II, D30C, D350C, D350E, D350E II, D35C, D35HP, D400, D400E, D400E II, D40D
6V9109
SOCKET
725, 730, 735, 740, D250E, D250E II, D300E, D300E II, D350E, D350E II, D400E, D400E II
725, 730, 735, 740, D250E, D250E II, D300E, D300E II, D350E, D350E II, D400E, D400E II
2U4493
SOCKET
D300B
D300B
2U4542
SOCKET TERMINAL
D250B, D25C, D300B, D30C, D350C, D35C, D35HP, D400, D44B, D550B
D250B, D25C, D300B, D30C, D350C, D35C, D35HP, D400, D44B, D550B
6U3825
SOCKET
D35HP, D400
D35HP, D400
7U6244
SOCKET
D25D, D40D
D25D, D40D
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 235, 245, 613C, 613C II, 631E, 633C, 637E, 666, 725, 730, 735, 740...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 235, 245, 613C, 631E, 633C, 637E, 666, 725, 730, 735, 740, 824, 82...
120H, 120M, 12H, 12M, 135H, 140H, 140M, 143H, 14H, 160H, 160M, 163H, 16H, 16M, 235, 245, 613C II, 725, 730, 735, 740, 920, 926, 950F, 953, 955C, 963, 973, 980, 980F, D250B, D250E, D250E II, D25C, D25D...
594, D326F, D337, D337F, D353C, D379, D379A, D379B, D398, D398A, D398B, D399, D9E, D9G, D9H, G353D, G379, G398, G399
3635127
SOCKET-CONNECTOR
C18, C32
C18, C32
2404590
SOCKET-CONNECTOR
773G OEM, 775G OEM, 777G, 785D, AD55, C175-16, C2.2, CB-54, CB-64, CS-54B, CS-56B, CS-68B, CS-74B, CS-78B, CW-34, MH3037, MH3049, MH3059
773G OEM, 775G OEM, 777G, 785D, AD55, C175-16, C2.2, CB-54, CB-64, CS-54B, CS-56B, CS-68B, CS-74B, CS-78B, CW-34, MH3037, MH3049, MH3059
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 613C, 613C II, 631E, 633C, 637E, 666, 824B, 826C, 916, 920, 924F, ...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 613C, 631E, 633C, 637E, 666, 824B, 826C, 916, 920, 924F, 926, 980C...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 613C, 631E, 633C, 637E, 666, 824B, 826C, 916, 920, 924F, 926, 980C...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 613C, 613C II, 631E, 633C, 637E, 666, 824B, 826C, 916, 920, 924F, ...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 613C, 631E, 633C, 637E, 666, 824B, 826C, 916, 920, 924F, 926, 980C...
120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160M, 163H, 16G, 16H, 16H NA, 16M, 235, 245, 613C, 631E, 633C, 637E, 666, 725, 730, 735, 740, 824B, 8...