Perform oil changes on the Rotair compressor on your DB500 Mobile S or XL.
Tools Required:
- Open end wrench for the (square head plug) drain plug
- Drain pan
- Funnel
- Oil filter wrench
- Clean shop rags
Supplies Required:
- Compressor oil filter #099-008-S (Purchase)
- 2.4 gallons AL-00025 compressor oil (Purchase)
Follow the steps below:
- Run engine to bring compressor unit up to operating temperature
- Stop the engine and let unit sit for 5 minutes, allowing oil to enter the oil mist separator tank
- Make sure the PRESSURE GAUGE IS AT ZERO “0”PSI
- Remove the square head plug (ref #30) located at the bottom of the ball valve (ref #29) located at the bottom of the oil mist separator tank
- Place a drain pan under the unit and open the ball valve, allowing the oil to drain from the tank
- When the oil stops draining, close the ball valve and reinstall the square head plug with a new coper washer (ref#21) part# 015-005-S
- Remove the compressor oil filter
- Clean the filter sealing surface
- Apply clean oil to the oil filter seal and install the new filter, part #099-008-S (DO NOT OVER TIGHTEN THE FILTER – hand tight)
- Remove the dipstick
- Add 2.4 gallon of Compressor Oil AL-00025 to the tank through the dipstick tube
- Reinstall the dipstick
- Start the engine and check the compressor oil dipstick and square head plug for leaks
- Stop the engine, check for proper oil level, add oil as needed to reach the FULL mark on the dipstick
- Dispose of used oil and filter properly