Baltimore Aircoil Company
- The Value of Maintaining Evaporative Cooling Equipment
- Recommended Spare Parts
- Maintenance Checklist
- Fan Shaft Bearing Maintenance
- Belt Tensioning
- Gear Lubrication
- Motor Orientation
- Aluminum Sheave/Bushing Installation
- Sheave Alignment
- Pump Selection
- Float Valve Adjustment
- Vibration Cut Out Switch Basic Operation and Troubleshooting
- Parts Depot
- Water Quality Guidelines
- 1500 Ideal Replacement Tower
Gear Lubrication
Please refer to your Operation and Maintenance Manual for complete information.
Lubrication:
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 |
| MANUFACTURER | OIL TYPE* |
| 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 |
| MANUFACTURER | OIL TYPE* |
| 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.
