AS NZS 4233.1:2013 pdf free download

AS NZS 4233.1:2013 pdf free download
AS NZS 4233.1:2013 pdf free download.High pressure water jetting systems
3.2.3.3 Use
Damaged or incompatible hose assemblies shall not be used. Damaged hose assemblies should be identified, tagged and immediately removed from service.
Repaired hoses shall meet the safe operating performance recommendations as identified by the manufacturer. Records shall be kept of all tests.
3.2.4 Re-end hose assemblies
Hose assemblies used with high pressure water jetting systems shall be inspected for physical damage. If damage is evident, they shall be repaired (re-ended) and tested to ensure the minimum requirements as specified by the manufacturer (refer Appendix E).
3.2.5 Jetting nozzles
All jetting nozzles shall be kept clean and stored safely when not in use. Nozzles shall be checked before installation to ensure the outlet orifice is not damaged or obstructed. Damaged nozzles shall not be used and shall be replaced. Any nozzles identified as being defective shall be removed from service and repaired or destroyed.
3.2.6 Jetting guns
Jetting guns shall be checked prior to task with particular attention being given to the trigger mechanism and guard to ensure correct operation. Class A jetting guns should be fitted with a safety trigger. Class B jetting guns shall be fitted with a double action safety trigger (hold-to-activate) mechanism to prevent inadvertent operation. Where the hose connects the jetting gun it shall be restrained using a braided stocking and also covered by a hose shroud. In addition handles and or shoulder stocks shall be fitted where required by manufacturer’s instructions.
3.2.7 Foot control devices
All foot control devices shall be protected by a guard or cover to prevent inadvertent or accidental actuation of the device. All foot control devices shall be checked prior to task with particular attention being given to the actuating mechanism and guard to ensure correct operation. All Class B foot control devices shall be fitted with a double action safety trigger mechanism to prevent inadvertent operation. Where the hose connects the jetting foot control device it shall be restrained using a braided stocking and also covered by a hose shroud.