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Views: 4 Author: Site Editor Publish Time: 2023-10-26 Origin: Site
About the Lubrication and Maintenance of TDS-11SA（1）
Selecting the proper gearbox oil
TDS transmissions operate under a combination of heavy and shock loads. Under these conditions oil tends to extrude out of the gear mesh. Keeping an effective film of oil on the gear mesh requires oil with an AGMA “extra pressure” rating (EP), and a minimum viscosity of 100 SUS at internal operating temperature.
Varco Top Drives also operate under a wide variety of ambient temperatures. Select lubrication for the TDS based on the minimum ambient temperature (surrounding air) to be expected before the next oil change. Under all but the most severe operating conditions,
Varco recommends changing the oil every six months. Introducing
an oil viscosity greater than required by the ambient temperature
can:
（1） Damage the gearbox due to reduced oil flow
（2） Damage the oil pump because of excessive load
Also choose the good ELEMENT FILTER OEM#30173216-1 #30111013-1 is very important.
