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U BOLT 0005370 - Caterpillar



0005370 U BOLT Caterpillar parts U
Rating:
66
Alternative (cross code) number:
CA0005370
000-5370
0005370
Caterpillar 0005370 U BOLT
Weight: 21 pounds 9 kg.

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Joystick (12) sends a pulse width modulated signal with a 29% duty cycle through connector (6) to wire F853-BR-18. The signal flows from wire F853-BR-18 to ECM (1) through pin 26 of the J2 connector. Also, joystick (12) sends a pulse width modulated signal with a 75% duty cycle through connector (6) to wire C703-BR-18. The signal flows from wire C703-BR-18 to ECM (16) through pin 25 of the J2 connector. ECM (16) interprets the two signals and ECM (16) determines that joystick (12) is in the FORWARD position and in the COUNTERROTATE RIGHT position. As a result, ECM (16) sends signals to the piston pumps and to the piston motors.ECM (16) sends the following signals to piston motor (17) and to piston motor (51) .
A signal with a solenoid duty cycle between 33% and 70% is sent through pin 58 of the J1 connector to wire C959-BR-18. The signal flows through wire C959-BR-18 through connector (15) to the solenoid of servo valve (8) .
A signal with a solenoid duty cycle between 33% and 70% is sent through pin 59 of the J1 connector to wire C958-BU-18. The signal flows through wire C958-BU-18 through connector (48) to the solenoid of servo valve (58) .ECM (16) sends the following signals to servo valve (38) of piston pump (37) .
A signal with a solenoid duty cycle between 23.5% and 86% is sent through pin 52 of the J1 connector to wire K946-OR-18. The signal flows through wire K946-OR-18 through connector (42) to the reverse solenoid of servo valve (38) .
A signal with a solenoid duty cycle of less than 26% is sent through pin 51 of the J1 connector to wire K947-YL-18. The signal flows through wire K947-YL-18 through connector (45) to the forward solenoid of servo valve (38) .ECM (16) sends the following signals to servo valve (40) of piston pump (24) .
A signal with a solenoid duty cycle of less than 23.5% is sent through pin 49 of the J1 connector to wire K943-OR-18. The signal flows through wire K943-OR-18 through connector (46) to the reverse solenoid of servo valve (40) .
A signal with a solenoid duty cycle between 26% and 88.5% is sent through pin 48 of the J1 connector to wire K944-BU-18. The signal flows through wire K944-BU-18 through connector (47) to the forward solenoid of servo valve (40) .The signals to the solenoids of the piston motors vary with the signals that are received from the speed selector switch of joystick (12) and the signals to the solenoids of the piston pumps vary with the signals that are received from the speed selector switch of joystick (12). The signals determine the angle of the swashplates of the piston pumps and of the piston motors in order to achieve maximum machine performance.As a result of the signals to the solenoids of piston pump (24), servo valve (40) shifts to the left. Pilot oil from passage (42) flows through servo valve (40) to passage (35). The oil


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