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P 1 2O, P 18OO FAU__ _RA_l_G Wl_H PR ESSURE GAUGE SVO 2___ TYPE l Insufficient oil pressure on both direct drīve and overdrive OiI tevel too low. Fill up with oil to the level plug. Oil strainer blocked up. Clean the oil strainer. Non-return valve leaks. Check the valve and replace faulty parts. Broken pump plunger return spring. Remove the pump and repIace the plunger spring. Pump plunger binds. Remove the pump. CIean and if necessary replace plunger and cylinder. FauIty relief valve. Check the valve and replace faulty parts. Oil pressure too Iow on direct drive The controI valve ball does not seal againet the _ Check the control valve and replace faulty parts. seating in _ihe hou6ing. _ If necessary, knock the ball lightly against _the _ seating witf the help of a brass or copper drift. Oil pressure too low on overdrīve The controI valve ball does not seal against the _ Remove and clean the ball and valve rod. Check _ valve rod seating. _ and if necessary replace the parts. _YPE ll Oil pressure too low on overdrive Oil level too low. FiIl up with oil to tfe level plug. Oil strainer blocked up. Clean the oil strainer. Non-return valve Ieaks. Check the valve and replace faulty parts. Broken pump plunger return spring. Remove the pump and replace the plunger spring. Pump plunger binds. Remove the pump. Clean and if necessay replace plunger and spring. Faulty relieF valve. Check the valve and replace faulty parts. The confrol valve ball does not Remove and clean the ball and ualve rod. Check seal against the valve rod seating. and if necessary replace the parts. _ . _ _ 4-1 2
 
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