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Queensland Mines Inspectorate | Alert | No.389 V 1 | 01 April 2021

Hazards associated with some super large bore inflator adaptors

What happened?

On 25 August 2020 a Coal Mine Worker (CMW) was deflating an ultra-class rear dump truck tyre using a super large bore IN-80 inflator adaptor tool, also commonly known as a deflator tool (refer Figure 1). The stem of the inflator adaptor tool has ejected and struck the safety glasses being worn by the CMW. The CMW was startled by the impact and stumbled backwards off a step ladder, falling onto the workshop floor.

How did it happen?

Key issues


All mine SSEs should:

  1. review site procedures for equipment used for inspecting, testing and maintaining plant,
  2. verify the type of inflator adaptor tools in use across the site,
  3. ensure inflator adaptor tools used at the mine are fit for purpose and cannot be inadvertently disassembled,
  4. ensure personal tools used by CMWs are inspected and maintained on a regular basis,
  5. consult with tool or service providers to identify and implement appropriately engineered and tamper proof solutions if required,
  6. not rely on administrative controls to reduce the risk of collars being inadvertently unscrewed when inflator adaptor tools are in use,
  7. ensure suitable work platforms are available and used for tasks where CMWs need to access plant above ground level.

Investigations are ongoing and further information may be published as it becomes available. The information in this publication is what is known at the time of writing.

We issue Safety Notices to draw attention to the occurrence of a serious incident, raise awareness of risks, and prompt assessment of your existing controls.

Authorised by Peter Newman - Chief Inspector – Coal

Contact: Anthony Logan, Senior Inspector of Mines (Mechanical) , +61 7 3199 8013

Issued by Resources Safety & Health Queensland

Safety: This information is a guide only and is issued to promote safety through experience. It is not to be taken as a statement of law and must not be construed to waive or modify any legal obligation.
Placement: Place this announcement on noticeboards and ensure all relevant people in your organisation receive a copy.

All information on this page (Hazards associated with some super large bore inflator adaptors - is correct as of time of printing (24 Jul 2021 7:53 pm).