Table des Matières
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Columns
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Omission or use of incorrect snowstorm filling devices.
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Excessive exposure of desiccant to atmosphere during filling.
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Hand filling or 'topping up' without correct filler.
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Leaving desiccant media in bolt holes when torquing down top manifold bolts.
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Failure to remove all desiccant from column during desiccant change.
Top Manifold/Outlet Valve
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Incorrect torquing of column bolts - sequence tightening must be employed.
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Use of non-AR TS dust filters on DH Models.
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Cleaning of column bolts before torquing.
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Faulty torque setting.
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Use of incorrect wire stripping tools.
Control Box
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Excessive voltage drop on incoming supply.
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Purge setting by amps, non-use of flow meters.
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Incorrect fusing used (external).
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Incorrect supply wire (incoming).
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No earth wire between earth terminal and armour cable clamp on shroud.
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Manually turning cam timer backwards.
Additional Items
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Use of non-recommended desiccant or non-genuine domnick hunter spare parts from alternative suppliers.
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Servicing undertaken by untrained distributor personnel.
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Inability to maintain inlet pressure and temperature at levels stated for sizing.
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Not to use dryer/dryers if piped directly after a portable compressor.
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