... hydraulic tank through the control valve and the oil cooler.To oil coolerSuction filter 3-2 (290LC-7)
3-3 2. RETURN CIRCUIT2. RETURN CIRCUITMain control valve ActuatorsFull flow filterCheck valve(1)6.0kgf/cmCheck ... relief valve is provided in the full-fl ow fi lter.When the filter element is clogged, the bypass relief valve opens at 1.5 kgf/cm2 (21 psi) differential pressure.
3-4 3. D...