General Information (Fan Hydraulic System)
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(1) Hydraulic oil tank
(2) Fan drive pump (gear pump) (3) Fan ECM (4) Engine ECM (5) Fan drive motor (gear motor) | |
The main components of the fan hydraulic system are fan drive motor (5) and fan drive pump (2).
Fan drive pump (2) draws oil from hydraulic oil tank (1). Fan drive pump (2) sends oil to fan drive motor (5). The oil then goes to the hydraulic oil filters. The fan speed is controlled by fan ECM (4).
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