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BAC Parts
Parts Reference Materials

Gear Lubrication

Please refer to your Operation and Maintenance Manual for complete information.

Use only rust and oxidation inhibited gear oils in accordance with AGMA Standard 9005-D94. For general operating conditions, AGMA lubricant number and corresponding viscosity range should be as shown in the table below.

Recommended Mineral Oils

Ambient Temperature at Gear Drive 20°F to 120°F (-7°C to 49°C
AGMA Lubricant Number 5
ISO Grade 220
Atlantic Richfeild Duro 220
Chevron Oil Machine Oil A W 220
Cities Service Oil Citgo Pacemaker 220
Conoco Hydroclear Multipurpose R&O
Exxon Teresstic 220
Gulf Oil Harmony 220
Mobil Oil DTE Oil BB
Pennzoil Pennzbell TO 220
Philips Petroleum Magnus 220
Shell Oil Morlina 220
Sun Oil Sunvis 9220
Texaco Regal 220 R&O, Code 1531
Total Carter 220

Recommended Synthetic Lubricants

Ambient Temperature at Gear Drive -20°F to 150°F (-29°C to 66°C
AGMA Lubricant Number 5S
ISO Grade 220
Chevron Oil Clarity 220 Synthetic
Conoco Syncon 220 – R70 Oil
Mobil Oil SHC 630

* List of brand names is for purpose of identifying types and is not to be construed as exclusive recommendations.

Oil Change Interval

With a new gear, the oil should be replaced after 500 hours or 4 weeks of operation, whichever comes first. See your O&M Manual for the proper procedures.

During normal operation, the oil should be changed every 2500 hours or every 6 months of operation, whichever comes first. Shorter intervals may be required as stipulated in your O&M Manual.