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- Housing components/insulation components must be present and undamaged (do
not use insulation or adhesive tapes to repair damage)
- No unauthorised modifications must have been made (e.g. installations, conversi-
ons that have not been approved by the manufacturer)
- Cooling openings must not be dirty or blocked and an air filter must be present
- There must be no signs of overloading or improper use
- Protection devices (e.g. gas cylinder holder) must be present
- Rollers, transportation devices, brackets, etc., must not be damaged
- There must not be any conductive objects in the housing
Housing and
covers
- Controls and indicators must not be faulty
- Gas pressure regulator and flow meter must not be faulty
- Fuses accessible from outside the housing must not be defective
Adjustment and
display devices