Helical gear reducers H3 flender distributors H3CH-9-C

Flender/Flender Gear Units/Helical gear reducers H3

d components Replace damaged components if necessary The bearing play is excessive. Contact Customer Services Adjust bearing play Servicing 8.4 Possible faults 7 Edition 0/2 A5-0 enPossible faults Causes Possible remedies Noise Defective rolling-contact bearings Contact Customer Services Replace defective rolling-contact bearings Gear unit fastening has worked looseTighten bolts and nuts to the specified tightening torque Replace damaged bolts and nuts Outer surface of gear unit soiled with oilInadequate sealing of the housing cover or jointsSeal housing cover or joints Labyrinth seals soiled with oil, in- correct transport positionCheck oil filling Clean the labyrinths Main drive motor does not startMotor direction of rotation incorrect Change polarity of motor Backstop cage with sprags incor- rectly installed or defectiveContact Customer Services Install the backstop cage, rotated through 1 - or re- place Leaks Defective rotary shaft sealing rings Inspect the rotary shaft sealing rings and replace if ne- cessary Wet-air filter is severely discolouredWet-air filter is spent Replace the wet-air filter Wet-air filter is becom- ing discoloured from the top downwardsWater in the oil Take test tube sample to examine oil condition for water penetration Have the oil examined by chemical lab Change the oil if necessary Oil is foaming in the gear unitPreservation agent not completely drained offChange the oil Oil supply system left in operation for too long at low temperaturesSwitch off the oil supply system Degas the oil Gear unit too cold in operation Switch off the gear unit Degas the oil Start up without cooling water during cold restart Water in the oil Take test tube sample to examine oil condition for water penetration Have the oil examined by chemical lab Change the oil if necessary Oil defoamer has run out Examine the oil Change the oil if necessary Unsuitable mixture of oils Examine the oil Change the oil if necessary Servicing 8.4 Possible faults A5-0 en Editio