Piston Pump (Fan Drive)
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| Illustration 1 | g03726483 |
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Schematic of fan drive system (1) Hydraulic oil cooler (2) Fan hydraulic pump (3) Fan (4) Fan motor (5) Pump control spool (6) Pressure control solenoid valve (7) Actuator piston (8) Hydraulic oil tank | |
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| Illustration 2 | g03726393 |
| (2) Fan hydraulic pump | |
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| Illustration 3 | g03776389 |
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(9) High-pressure cutoff adjustment screw
(10) Inverse proportional control | |
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| Illustration 4 | g03776391 |
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(11) Fan pump solenoid
(12) To fan motor (13) From hydraulic oil tank | |
For information on pump operation, refer to Systems Operation, "Modes of Operation (Fan Hydraulic System)".
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