Tech Trends

Some customers encounter similar questions when using dry ice blasting equipment: What is the difference between the HTS705 and HTS708 models? Why can’t newly purchased dry ice blasting equipment be used right away? What size dry ice pellets should be used? Why does a CO2 blasting machine suddenly stop producing ice after some use?

Most of these issues come from insufficient knowledge about the dry ice blaster’s operating requirements, air compressor matching, dry ice specifications and daily maintenance. This guide explains the key precautions and troubleshooting steps so users can solve problems more quickly and operate the machine more efficiently.

Before Use

Dry ice blasting setup

Precautions Before Using a Dry Ice Blaster

Dry ice blasting equipment must be used with a suitable air compressor. If the air compressor does not meet the required configuration, the machine may not spray ice continuously or may block during operation.

01

Air Compressor Requirement

Use an air compressor with power greater than 7.5kW, air tank capacity greater than 300L, and output air pressure maintained at 6 bar or higher.

02

Dry Ice Specification

Recommended dry ice particle size is 3-5mm. Oversized dry ice can cause feeding problems and may stop the machine from producing ice.

03

Buy Dry Ice Locally

Because dry ice transportation cost is high, it is recommended to search for “dry ice for sale near me” and purchase locally.

04

Wear Protection

Personal protective equipment is required when using dry ice. AUTOOL packages include goggles and gloves.

05

Know the Cleaning Range

The AUTOOL CO2 blasting machine is mainly used for engine carbon deposits, chassis mud and oil stains. It is not effective for completely removing rust from car parts.

06

Drain Moisture and Reduce Ice Output Before Stopping

If the air compressor lacks a dry-wet filter, drain it regularly. When stopping work, adjust ice output to the minimum so dry ice in the pipes does not block the system.

Air compressor configuration for dry ice blasting equipment
Recommended dry ice particle size for dry ice blasting machine
Q&A 01

HTS705 vs HTS708

What Is the Difference Between HTS705 and HTS708?

The only difference is dry ice capacity. HTS705 has a capacity of 5kg, while HTS708 has a capacity of 7.5kg. All other functions are the same. If shipping cost is a concern, the HTS705 is the recommended option.

Q&A 02

New machine cannot be used

Why Can’t Newly Purchased Dry Ice Blasting Equipment Be Used?

A newly purchased dry ice blasting machine still requires an external air compressor to operate. If the air compressor is not connected or does not meet the required configuration, the machine cannot work normally. Refer to the precautions above for the specific requirements: more than 7.5kW power, more than 300L air tank capacity and at least 6 bar output pressure.

Q&A 03

No ice output troubleshooting

Why Does the Dry Ice Blasting Equipment Stop Producing Ice?

If the machine stops producing ice after some use, first separate the diagnosis into two branches: dry ice blockage and non-blockage faults.

First Check Whether the Dry Ice Is Blocked

  • Check whether the ice output pipe is blocked. If it is blocked, remove the pipe and let the dry ice melt automatically.
  • Confirm whether the air compressor meets the required specification of 7.5kW and 300L. Insufficient air pressure can cause dry ice blockage.
  • If the compressor is 5.5kW with a 500L air tank, it can be used with the dry ice machine, but continuous cleaning is not possible. You need to wait for pressure to build up before cleaning again. In this setup, cleaning can usually continue for about 10 minutes.
  • Watch the pressure display. If pressure drops below 6 bar, stop the operation to avoid dry ice blockage.

If the Dry Ice Is Not Blocked

  • Check whether the machine can turn on and off normally. If it cannot, the issue may be with the mainboard. Contact AUTOOL for a free replacement.
  • If the machine can turn on, check whether the turntable is rotating. If it does not rotate, internal components such as the inverter or transformer may have a problem. Contact AUTOOL for a free replacement.
  • If the mainboard and internal components are normal, observe whether air pressure is being sprayed out. Check whether the display shows above 6 bar and what the ice output setting is. If these are normal, the issue may be with the switch. Contact AUTOOL for a replacement.
  • Confirm dry ice particle size. If the dry ice is larger than 3mm, it may also prevent ice output.
Q&A 04

Continuous operation

Can the CO2 Blasting Machine Be Used Continuously for a Long Time?

No. It should not be used continuously for long periods, because insufficient pressure may occur and prevent the machine from producing ice. Continuous performance depends heavily on compressor capacity, air tank volume and whether the pressure can stay above the required level.

Other Questions

Nozzles, cleaning range and air pressure

Other Dry Ice Blasting Questions

Are There Any Compatible Spray Nozzles Recommended?

We recommend the flat spray nozzle because it has a larger output and provides better cleaning performance.

Can Dry Ice Blasting Equipment Clean Adhesives and Sealants?

No. The dry ice blasting equipment is mainly used for cleaning oil sludge, grease and carbon deposits. It can comprehensively clean carbon deposits on automotive parts such as throttle valves, intake valves, engine components, cylinder combustion chambers and wheel hubs without disassembling the components.

How Much Dry Ice Is Needed to Clean a Car Engine?

If the entire engine bay needs to be cleaned, approximately 15kg of dry ice is required.

How Many PSI Does the CO2 Blasting Machine Need?

The CO2 blasting machine requires more than 90 PSI to operate normally.

Can the Hose Be Longer?

  • If it is the intake hose, it can be longer and supports lengths up to several dozen meters.
  • If it is the ice output hose, increasing the length is not recommended because it may affect cleaning performance.
  • The blasting hose has a fixed length of 3.3 meters.
Conclusion

Conclusion

There are many details to pay attention to when using a dry ice blasting machine. Air compressor capacity, pressure stability, dry ice size, moisture control, protective equipment and shutdown habits all affect whether the equipment sprays ice normally.

Once you master the correct usage method, the dry ice blasting machine can become a very efficient cleaning tool for carbon deposits, oil sludge and chassis contamination. AUTOOL products come with a three-year warranty. If you encounter any issue, contact AUTOOL support at any time and we will do our best to assist you.

Need Help With Dry Ice Blasting Equipment?

Contact AUTOOL support for dry ice blaster model selection, troubleshooting and replacement part support.

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