Work Instructions: High-Pressure Pump Oil Change

Preliminary Note: 

• Check oil levels monthly
• Replace oil after 16,000 Initial cars (100hrs) / 250,000 cars (1500hrs)

Parts Needed:

• 7 Quarts of Hydra-Cell 10W30 Oil (P-SE-2122): P-SE-2122|Tommy Car Wash

Tools Needed:

• Safety glasses and gloves
• Adjustable wrench
• Pipe wrench/Vise grips
• Oil drain pan or bucket
• Flexible funnel with hose or tube (optional)

Procedure:

1. Turn off HPP1 and/or HPP2 functions on iPad
2. Turn off the disconnects for HPP1 and/or HPP2 in the MCC.
3. Place a lockout tag out on the disconnects.
4. Loosen and remove the red breather cap on top of the pump.
5. Set a drain pan near the oil drain shaft.
6. Remove the drain plug from the oil drain shaft. If the shaft spins, use a pipe wrench or vise grip to hold it in place. If you have a ball valve setup, remove any plugs and open the ball valve.
7. Allow all of the oil to drain into the pan, and reinstall the drain plug or close the ball valve.
8. Remove the fill port fitting and insert the funnel tube.
9. Fill the pump with 3 quarts of oil, dipping a finger into the oil fill hole throughout the process to check the level.
10. Once the oil covers your full fingernail, the pump is filled to the desired level, just under the oil fill port opening.
11. Reinstall the fill port fitting.
12. Reinstall the red plastic breather cap, and do not over-tighten.
13. Repeat steps 4 through 12 for the second pump.
14. After the oil has been changed, double-check all drain plugs, fittings, and caps to ensure they are tight.
15. Remove the lockout tags from HPP1 and HPP2 disconnects in the MCC.
16. Test both HPP1 and HPP2 functions manually with an iPad
17. Turn HPP1 and HPP2 functions back to Auto on iPad
18. Recycle old oil and clean any spills.

Instructional Video: 

How to Change Oil on a High Pressure Pump