Fan Drive HICs
Off-highway mobile machinery OEMs and distributors can choose from six pre-engineered Hydraulic Integrated Circuits (HICs) designed to provide speed control and reversing for hydraulic modulating fan drive motors in open circuit hydraulic fan drive systems. The program includes:
• 40, 80, and 120 LPM Frame Sizes
• Variable piston pump or fixed pump circuits
• Over-Pressure Protection / Anti-Cavitation is standard
• Viton O-rings are standard
For more detailed technical information, view our quick reference guide (PDF 2.4 MB).
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Integrated and compact design with customer flexibility in mind:
• Designed and tested specifically for fan drive systems
• Configurable for quick availability
Proportional control allows the engine temperature to be controlled within narrow limits:
• Helps meet the requirements of new emissions legislation
• The engine can be run more efficiently - improving fuel economy and reducing emissions
Increased design flexibility and scalability:
• Multiple frame sizes that allow you to match to your flow and pressure drop requirements for multiple machines and their respective fan requirements
• HIC valve can be placed in the most suitable location on the machine
• Reduce parasitic losses by limiting flow to and from the fan drive motor
• The gear motor is shorter compared to a fan motor with integrated valve
• Two sets of mounting holes for mounting flexibility (SAE and Metric compatible)
Increased productivity:
• Fan is reversible to purge (de-clog) coolers and radiators
• Prevents overheating with purged cooler
• More power available for useful work when radiator is not clogged
Automatic cleaning sequence programmed using PLUS+1™:
• Manual or automatic activation
• Reference Sauer-Danfoss ‘Fan Drive Application Block’ information
• Service screen below illustrates an example reversing fan drive software setup
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