Visually inspect Fire Extinguisher (where required)

1. Fire extinguisher is not filled or charged;
2. Handles, nozzles or hoses of fire extinguisher is missing or damaged;
3. The extinguisher is not securely mounted in the vehicle.
   

Note: Fire extinguishers can become ineffective even though they appear properly charged. For example powder type extinguishers subject to vibration can fail due to compacting of the powder.

Australian Standards AS 1851.1-1995 Portable Fire Extinguishers, contains suitable procedures for inspecting and testing fire extinguishers.