Bevel-helical gearbox B4 dial shaft seal with dryrunning protection K Seali B4-VH-7B

Flender/Flender Gear Units/Bevel-helical gearbox B4

t insulation. Close air outlet or alter itsdirection by structural measures. Contact Customer Service. If necessary, use wet air filter. 5 / 7BA 5 en 0/2Faults Remedy Causes Increased operating temperature.Oil level in gear unit housingtoo high. Oil too old. Oil badly contaminated. Oil pump defective.Check the oil level. Adjust oil level if necessary. Check when the last oil change was done. If necessary, change oil,see section 1. Change oil, see section 1.Check that oil pump is working correctly. If necessary, repair orreplace oil pump. Pressure monitor triggersalarm.(for gear units with forcedlubrication)Oil pressure < 0.5 bar. Check oil level at roomtemperature. Fill up oil if necessary.Check oil pump.If necessary, replace oil pump.Check oil filter / coarse filter.If necessary, replace oil filter orclean coarse filter,see section 1. Contamination indicator ondouble change-over filtertriggers alarm. Double change-over filter clogged. Change double change-over filterover as instructed in separateoperating instructions, cleanclogged filter element. Main drive motor does notstart. Incorrect direction of rotation of themotor. Overrunning clutch blocked. Cage with sprags on the Overrunning clutch incorrectly installed and/or defective.Change polarity of motor. Contact Customer Service. Fitting new overrunning clutch. Contact Customer Service. Install the cage of the overrunningclutch turned by 1 and/or replace it. Auxiliary drive motor does notstart. Overload on output. Motor of auxiliary drive unit defective. Motor brake is not vented.Load reduction.Repair and/or replace the motor. Correct electrical connection of motor brake; replace motor brake ifnecessary. Auxiliary drive motor does notstart, but the output shaft of themain gear unit does not rotate. Wrong direction of rotation of themotor. Incorrect installation and/or defect of cage with grippers of overrunningclutch. Overrunning clutch defective.Change polarity of motor.Contact Customer Service. Install the ca