SEW-Eurodrive M1 N Series, Руководство по сборке и эксплуатации

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7
Inspection/maintenance
Oil heater
Assembly and Operating Instructions – M1..N Series Single-Stage Helical Gear Units
86
7.10 Oil heater
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.
Observe the notes in chapter " Preliminary work regarding inspection and mainte-
nance" (→ 2 77).
1. Remove the cabling of the heating element.
2. Before disassembling the heating element, drain the oil.
3. NOTICE! Improper cleaning may damage the heating elements. Possible damage
to property. Do not destroy the heating elements by scratching or scraping. Clean
the tubular heating elements with solvent. Replace the defective heating elements.
Screw the heating element out of the gear unit housing.
4. Apply LOCTITE
®
577 to the 2 threads of the heating element.
5. Screw in the heating element using the hexagon only.
6. Close the oil drain valve.
7. Fill new oil of the same type as the old oil through the oil fill plug (if you want to
change the oil type, contact our customer service first).
• Use a filling filter to fill the oil into the gear unit (max. filter mesh 25 µm).
• Fill the oil according to the oil quantity specified on the nameplate. The oil quantity
specified on the nameplate is an approximate value.
• Check to see that the oil level is correct, refer to chapter " Checking the oil
level" (→
2
81).
8. Connect the heating element.
29203856/EN – 03/2020