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POWERTRAIN<br />

Transmission<br />

Lube Control<br />

PTO Control<br />

Cooling<br />

Clutch<br />

Transmission and PTO Solutions<br />

The circuit shown has a nominal flow<br />

rate of 114 lpm/30 gpm with a main<br />

system relief valve.<br />

Torque Converter<br />

SV98-T39<br />

TS98-T34<br />

Lubrication<br />

TS98-T34<br />

EP12-S35<br />

EP12-S35<br />

Optimize tractor powertrain systems with<br />

hydraulic cartridge valves and manifolds with<br />

programmable controllers.<br />

Synchronize control of transmission clutch, PTO, and fan<br />

with the <strong>HydraForce</strong> CoreTek controller. Its programming<br />

software is available as a free download from the<br />

<strong>HydraForce</strong> web site. The CoreTek controller (circuit<br />

at right) can synchronize proportional valves, such as<br />

the TS98-T34, to regulate <strong>for</strong>ward, reverse and multiple<br />

clutch actuation with smooth and accurate control<br />

of pressure. Clutch fill characteristics can be customprogrammed.<br />

PTO control can be accomplished with the<br />

EHPR98-T38 proportional valve, and fan control with the<br />

TS10-27 pressure regulator valve.<br />

Clutch Engagement Per<strong>for</strong>mance (TS98-T34)<br />

Cooler<br />

SV98-T39<br />

Park Brake<br />

Diff Lock<br />

SV98-T39<br />

4WD<br />

TS98-T34<br />

Fwd Clutch<br />

Rev Clutch<br />

TS98-T34 TS98-T34 EHPR98-T38<br />

1st Clutch<br />

2nd Clutch<br />

3rd Clutch<br />

PTO Clutch<br />

T<br />

Use a Priority Flow Control circuit to give priority to<br />

steering and brakes then allow hydraulic flow <strong>for</strong> other<br />

tractor functions, such as plowing, planting, harvesting,<br />

loading, or suspension control.<br />

EHPR98-T38 Valve<br />

<strong>for</strong> PTO Control<br />

• Clutch engage / disengage, Power Shift<br />

• Accurate clutch pressure control<br />

• Lubrication pressure control<br />

• Main system pressure regulation<br />

• Diff. Lock engage / disengage<br />

• PTO control<br />

Fan Drive Solutions<br />

TSXX-20<br />

CV10-20<br />

SV10-40<br />

A<br />

Fan<br />

Quiet down that fan . . .<br />

Fan drives controlled by hydraulic cartridge valves are<br />

quieter and run on less horsepower than mechanical fan<br />

drives, providing greater fuel economy <strong>for</strong> tractors.<br />

Control valves with multiple temperature inputs can be<br />

used to provide variable fan speed control depending on<br />

air temperature, load, and cooling requirements. If the<br />

radiator gets clogged, two-position, four-way solenoid<br />

valves can automatically reverse fan direction.<br />

Electronic control of the hydraulic cooling system can be<br />

achieved using either an EFDR1 programmable valve<br />

driver or a CoreTek controller (ECU).<br />

Fan Output Per<strong>for</strong>mance<br />

TO<br />

ECM<br />

CoreTek<br />

Model<br />

ECU-0710<br />

CAN HI<br />

CAN LOW<br />

Plug-In<br />

Mount<br />

on<br />

Forward<br />

Valve<br />

Operator Input<br />

4<br />

3<br />

2<br />

1<br />

TS98-T34<br />

Valves <strong>for</strong><br />

Clutch<br />

Control<br />

Reverse<br />

Forward<br />

B<br />

4<br />

3<br />

TS10-27 Valve<br />

<strong>for</strong> Fan Control<br />

2<br />

1<br />

• Flow rates up to 190 lpm (50 gpm)<br />

• Fail safe high or low<br />

• Preconfigured controls available<br />

• Reduce horsepower consumption by up to 30%<br />

4 5

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