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SEAL-PISTON 2333734 - Caterpillar

2333734 SEAL-PISTON Caterpillar parts SEAL
Alternative (cross code) number:
Caterpillar 2333734 SEAL-PISTON
Weight: 0.09 pounds 0 kg.

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Illustration 1 g00498361
(1) Rod
(2) Truck body position sensor Truck body position sensor (2) is located on the left rear frame near the pivot pin for the truck body. The rod (1) is connected between the truck body position sensor (2) and the truck body. When the truck body is raised, rod (1) rotates truck body position sensor (2). This rotation changes the Pulse Width Modulated signal that is sent to the Power Train Electronic Control Module (Power Train ECM). The adjustment of the rod between the sensor and the truck body is very important. The length of the rod should be 360.0 3.0 mm (14.17 0.12 inch) from the center of both rod ends.After rod (1) has been adjusted, the Power Train ECM will perform a calibration. The truck body position sensor (2) is calibrated by the Power Train ECM when all of the following conditions exist:
The engine is running for one minute with no ground speed.
The hoist control is in the FLOAT position.
The signal from the truck body position sensor is 6 degrees different from the previous calibration.
The duty cycle output must be less than 20 percent.Truck body position sensor (2) is used to limit the top gear while the truck body is up. The Power Train ECM comes from the factory with the top gear value that is set to FIRST gear. The transmission will not shift past FIRST gear until the truck body is down. The top gear value is programmable by utilizing the Electronic Control Analyzer Programmer (ECAP) or the Electronic Technician (ET). The top gear value can be changed to SECOND gear, THIRD gear, or FOURTH gear.The signal from truck body position sensor (2) is also used to control the SNUB position of the hoist control valve. The Power Train ECM will signal the hoist proportioning solenoids to move the hoist control valve to the SNUB position as the lowering truck body nears the frame. The speed in FLOAT is reduced in the SNUB position in order to prevent the truck body from contacting the frame too hard.The signal from the truck body position sensor (2) provides warnings to the operator when the truck is moving with the truck body UP.

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