Daily Maintenance
MMLJ Parts
- Inspect the pinch hose
- Inspect the blast hose
- Check for soft spots by squeezing it about every six inches. Also, look for holes, cracks, and disintegration of the outer casing. If you discover several soft spots, holes or general deterioration, it's time to replace the hose.
- Ensure filter regulator is cracked open so it can drain
- Ensure moisture trap drain is cracked open
- Inspect all gauges
- Ensure gauges are at 0 when machine is not in operation.
- Walk around trailer and inspect tires and breaks.
RPB Nova 3
- Inspect Radex filter
Compressor
- Check compressor oil level
- Check for leaks in oil filter seal, hydraulic lines and fittings, pneumatic blue lines, and clear lines
- Make sure there is no obstruction of the canopy vents.
- Make sure there is no obstruction of the radiator fins.
- Check compressor air filters (in severe conditions)
- View this compressor maintenance video for more information
Engine
- Check engine oil level https://support.dustlessblasting.com/en/pre-work-checklist-d184t4f
- Check engine coolant level
https://support.dustlessblasting.com/en/pre-work-checklist-d184t4f - Check fuel level and top up if necessary
- Check for leaks in fuel lines, fuel filter seal, and fuel tank cap
- Check engine air filters (in severe conditions)
Weekly Maintenance / About Every 10 hours
MMLJ Parts
- Rotate the pinch hose https://support.dustlessblasting.com/blasting-basics/how-do-i-rotate-and-replace-the-pinch-hose
- Check the torque on the water pump bolts [ torque chart ]
- Inspect the blast hose
- Check for soft spots by squeezing it about every six inches. Also, look for holes, cracks, and disintegration of the outer casing. If you discover several soft spots, holes or general deterioration, it's time to replace the hose.
- Inspect nozzle and nozzle holder
- Check filter regulator
Compressor
- Check compressor air filter
Engine
- Check engine air filter
Monthly Maintenance / About Every 40 hours
MMLJ Parts
- Replace the pinch hose monthly, or after it has been rotated 4 times. https://support.dustlessblasting.com/blasting-basics/how-do-i-rotate-and-replace-the-pinch-hose
- Lubricate the threads of the pressure regulator knob with a lubricant such as lithium grease or Never-Seez.
- Inspect and lubricate the parker valve. https://support.dustlessblasting.com/blasting-basics/parker-valve-maintenance
- Inspect the fill cap gasket, and clean or replace if necessary.
- Flush out blast pot to prevent rust from accumulating inside https://support.dustlessblasting.com/blasting-basics/flush-out-blast-pot
- Check filter regulator
- Rinse the underside of the trailer, especially in areas where snow/icy roads are present
Compressor
Check ELGi's Blog most for tips on maintenance and intervals
https://www.elgi.com/us/air-compressor-wiki/elgis-guide-to-preparing-your-air-compressor-for-spring/
- Flush out radiator fins https://support.dustlessblasting.com/en/summer-maintenance
- Shake off compressor air intake filters or blow with compressed air, to prolong their life
- Check connecting hoses for leaks or cracks.
- Check all the mounting bolts as well as fittings to make sure everything is tight and hasn’t vibrated loose.
- Inspect battery electrolyte/water level, top off just above the cell plates
- At the first 50 hours, change the compressor oil & filters. Future oil changes should be performed every 500 hours after this. https://support.dustlessblasting.com/en/compressor-oil-change-procedure-d185t4f
Engine
- Check coolant levels and top off if needed.
- At the first 50 hours, change the engine oil & filters. Future oil changes should be performed every 500 hours after this. https://support.dustlessblasting.com/en/engine-oil-change-procedure-d185t4f
- At the first 50 hours, replace the fuel filter. Future fuel filter changes should be performed every 500 hours after this.
Less Frequent Maintenance
MMLJ Parts
- Check dry blast wear items. Depending on how much dry blasting you do, these parts may have to be replaced sooner or later than 6 months. https://support.dustlessblasting.com/dry-blast-wear-items
Compressor
- Check compressor manufacturer maintenance recommendations.
Engine
- Check engine manufacturer maintenance recommendations.