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GENERAL AR-GENSET 2332997 - Caterpillar

2332997 GENERAL AR-GENSET Caterpillar parts 3456 GENERAL
Alternative (cross code) number:
Caterpillar 2332997 GENERAL AR-GENSET

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Compatible equipment models: 2332997:

GENERATOR SET  3456   Caterpillar
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Illustration 1 g00439044
Control valve in BOOM RAISE position (1) Load check valve (2) Center bypass passageLoad check valve (1) performs two functions. First, load check valve (1) prevents oil loss from a high pressure circuit to a lower pressure circuit. For example, the bucket cylinder is moved under a light load, and the boom cylinders are raised at the same time. The high pressure oil of the boom cylinders wants to flow toward the low pressure side of the bucket cylinder. Load check valve (1) prevents the boom from lowering.Load check valve (1) also prevents the boom from lowering when the boom is first activated at a slow speed. When the boom starts moving up at a slow speed, center bypass passage (2) of the boom control valve has partial flow to the hydraulic tank. Without load check valve (1) , the oil in the boom cylinders would flow through center bypass passage (2) to the hydraulic tank. This causes the boom to lower. Load check valve (1) prevents flow of pressure oil from the head end of the cylinders to the hydraulic tank.

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