> For the complete documentation index, see [llms.txt](https://docs.mathewscompany.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mathewscompany.com/dryer-operations/dryer-operations/maintenance/lubrication-schedule.md). # Lubrication Schedule Maintaining proper lubrication of all moving components of your dryer is key to its efficient and safe operation. The following table below outlines all recommended lubrication. Note that some of the items may not be applicable based on configured options, model or accessories. ## Lubrication Table for Profile Style Dryers

Item	Lubrication Required	Interval
50:1 Gearbox Oil Level	Fill 1/4" over gear with SAE 90 gear lubricant	Maintain proper level. Check every 100 hours
50:1 Gearbox Grease Fitting	Uses (5) strokes of gun grease	At the beginning and end of the season.
Universal Joints	Use (1) strokes of gun grease	Every 50 hours of operation.
Motors	Lubricate with SR-2 (Chevron) grease or equivalent	Prior to operation and at the end of the season.
Motor Bearings	Use Exxon Corp-Polyrex-EM products or Chevron, Inc-SRI#2. Grease should be lithium based.	At the beginning and the end of the season.
Centrifugal Fan Bearings	Use only #2 consistency lithium based grease with high quality mineral oil with rust and oxidation inhibitor. Use Shell Alvania #2 Mobil Mobilux #2 or Texaco Multfak #2	At the beginning of the season and every 100 hours until the end of the season.
Unload Auger Bearings	SHell Avania #2, Mobil Mobilux #2 or Texaco Multifak #2	Grease every 100 hours, unless extremely dirty conditions, once daily / weekly.
Metering Roll Bearings	Use grade #2 mineral oil lithium or lithium complex base grease.	At the beginning and the end of the season. Internal bearings are brass and do not need lubrication.

## Lubrication Table for Tower Style Dryers

Item	Lubrication Required	Interval
249:1 Gearbox Oil Level	Mobil Hi-Shock 150 synthetic	1st Change: 500 hrs of Operation or 6 months. 2nd Change and Thereafter: 5000 hrs of Operation or 1 year, whichever comes first.
Motors	Lubricate with SR-2 (Chevron) grease or equivalent	Prior to operation and at the end of the season.
Motor Bearings	Use Exxon Corp-Polyrex-EM products or Chevron, Inc-SRI#2. Grease should be lithium based.	At the beginning and the end of the season.
Centrifugal Fan Bearings	Use only #2 consistency lithium based grease with high quality mineral oil with rust and oxidation inhibitor. Use Shell Alvania #2 Mobil Mobilux #2 or Texaco Multfak #2	At the beginning of the season and every 100 hours until the end of the season.

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