13
INSTRUCTION MANUAL FOR UNI-FLAME
GAS WELDING, FLAME CUTTING AND GOUGING KIT
EQUIPMENT
1. REGULATORS
(including
their integral protective
devices)
2. FLASHBACK ARRESTORS
and other external devic-
es (including non-return
valves)
3. HOSE ASSEMBLIES
4. BLOWPIPES, MIXERS
AND ATTACHMENTS
WEEKLY 1
Visual examination to determine
suitability for service (eg gas,
pressure rating, damage), condition
of threads and sealing surfaces, oil
or grease contamination.
Leak test all joints at working
pressure.
Visual examination to determine
suitability for service (e.g. gas,
pressure rating, damage),
condition of threads and sealing
surfaces, oil or grease
contamination.
Leak test all joints at working
pressure.
Visual examination to determine
suitability for service (e.g. gas,
pressure rating, damage), condition
of cover, threads and sealing
surfaces of the end fittings.
Leak test all joints at working pres-
sure
Visual examination for damage of
the threads and sealing surfaces of
the hose connections and the
attachment connections.
Leak test all joints at working
pressure.
AS NOMINATED 2
Six monthly:
Functional tests to ensure the
correct operation of internal
components.
Yearly as detailed in AS 4603 or
following a
flashback:
Proper functioning of the non-return
valves and
flashback arrestors.
For pressure-activated valves, check
there is no flow in the normal
direction with the valve tripped.
Six monthly:
Check for absence of cuts and
excessive wear by bending the hose
in a tight radius, to ensure
reinforcement is not visible.
Six monthly:
Test control valve function.
Blank the attachment connection
and leak test for internal
malfunction.
REFURBISHMENT OR
REPLACEMENT INTERVALS 3
Manufacturer or supplier
recommendation, but not
exceeding 5 years.
Manufacturer or supplier
recommendation, but not
exceeding 5 years.
Determined by the hose assembly
condition.
Manufacturer or supplier
recommendation, but not
exceeding 5 years.
Notes:
1.
If in constant use or
BEFORE EVERY USE
(to be performed by the operator according to manufacturer’s instructions).
2.
To be carried out by a qualified service agent/organisation or person..
3.
Equipment condition determines whether refurbishment or replacement is required.
4.
Regulator elastomers and seals will wear and deteriorate in service or on the shelf. Items stored
for 1 year or over without use, should receive inspection as per the annual maintenance inspection.
GUIDANCE ON EQUIPMENT MAINTENANCE
CHART 4
