Cleaning the oil heater /OH

WARNING

Danger of electric shock.
Severe or fatal injuries.
  • De-energize the oil heater before you start working on the unit.
  • Secure the oil heater against unintended power-up.
  1. Let the gear unit cool down before you start working on it.
  1. Remove the cabling of the heating element.
  2. Before disassembling the heating element, drain the oil.
  3. Screw the heating element out of the gear unit housing.
  1. NOTICE! Improper cleaning may damage the heating elements. Possible damage to property. Clean the tubular heating elements with solvent. Replace any defective heating elements.
  1. Apply LOCTITE® 577 to the 2 threads of the heating element.
  2. Fasten the heating element by applying torque only to the head of the hex screw.
  3. Close the oil drain valve.
  4. Pour in new oil of the same grade through the oil fill opening.
  • Use a clean filling aid without zinc coating (plastic funnel or similar).
  • The oil quantity specified on the nameplate is an approximate quantity. The markings on the oil dipstick or the oil level glass are the decisive indicators of the correct oil quantity, see chapter Checking the oil level.
  1. Connect the heating element.
  1. Check the tightness.