Maintenance Schedule
The following maintenance activities and schedules are provided to aid in the development of a successful maintenance program. After any maintenance procedure, flush the high-pressure lines. Use the maintenance log to record all performed maintenance to ensure a clean and efficient abrasive waterjet system.
| Task | Frequency | Reference |
|---|---|---|
| Pump maintenance | ||
| Change the crankcase oil | After the first 50 hours of operation | Change the Crankcase Oil |
| Annually, at pump rebuild, or every 250 hours after the first oil change | ||
| Inspect the wet end | Periodically for evidence of leaking, contact technical support if leaking | Inspect the Pump Wet End |
| Inspect/replace the safety valve | When leaking | Correct Safety Valve Water Leaks
Replace the Safety Valve |
| Water filtration maintenance | ||
| Change the water filter | When the filter gauge approaches 25 psi or lower while the pump is running | Change the Water Filter Cartridge and O-Ring |
| Inspect the filter housing O-ring | Periodically, replace every two years or if leaking | Change the Water Filter Cartridge and O-Ring |
| Table maintenance | ||
| Wash away garnet abrasive accumulation from equipment | Daily and as often as required to maintain a clean working environment | Remove the Accumulated Garnet
Clean the Cutting Stage |
| Remove all garnet, sludge, and slugs from the tank bottom | Whenever garnet abrasive reaches the bottom of the garnet collection bins or when excessive water turbulence is noticed during cutting | Clean the Catcher Tank |
| Empty and clean the garnet bins | When the garnet bins are full or as garnet accumulates in the bins | Clean the Garnet Bins |
| Inspect and clean the lid | As needed to ensure visibility of the cutting stage | Clean the Lid |
| Inspect and clean the cable track | Periodically to prevent the build-up of garnet or other debris that would cause the cables or the track to wear | Clean the Cable Track |
| Clean the catcher tank filters and drains | As needed or when water flow is restricted, replace when worn, or water flow is restricted | Clean the Catcher Tank Filters and Drains |
| Clean the frame and side panels | As needed | Clean the Frame
Clean the Side Panels |
| Inspect and replace individual slats | Rotate monthly or more frequently if needed; replace when excessively scored and no longer stable | Rotate or Replace the Slats |
| High-pressure lines and components | Replace if damaged or if continued leaking occurs; do not try to repair | Maintain the High-Pressure Lines and Components |
| Lubricate the X- and Y-axis lead screws and linear rails | Annually or if squeaking; inspect the lead screw for dirt or damage, inspect the linear rails for dirt or damage; clean and grease if need | Lubricate the Y-axis Lead Screw and Linear Rail Bearing Carriage
Lubricate the X-axis Lead Screw and Linear Rail Bearing Carriages |
| Replace the electrical enclosure air filters | Approximately once per month, or more frequently if required based on shop conditions to maintain adequate airflow or temperature | Change the Electrical Control Enclosure Air Filter |
| Nozzle maintenance | ||
| Inspect the abrasive tubing | Before use, replace as needed | Replace the Abrasive Tubing |
| Clean the jewel orifice assembly and nozzle body | Once a week to prevent mineral buildup | Clean the Orifice and Nozzle Body |
| Change the nozzle filter and inspect, clean and replace the inlet body O-ring | After approximately 40 cutting hours or more frequently if needed | Replace the Nozzle Filter |
| Rotate or replace the nozzle mixing tube | Rotate 90 degrees (one-quarter turn) every 8 hours of cutting to even out wear; replace as needed | Rotate or Replace the Mixing Tube |
| Inspect and replace the nozzle splash guard | As needed when cracked, torn, or damaged | Rotate or Replace the Mixing Tube |
| PC Controller maintenance | ||
| Clean the keyboard | Daily or as needed | Per PC manufacturer instructions |
| Clean the monitor screen | As needed for sharp viewing | Per PC manufacturer instruction |
| Restart the laptop | Daily | Per PC manufacturer instruction |
| Update the ProtoMAX software | When OMAX releases updates | Download from the ProtoMAX website |
| Other as specified in the PC User's Manual (provided by the manufacturer | PC manufacturer-recommended | Per PC manufacturer instruction |
