PLANAR
Edition 1
March 2016
Page. 13 of 29
4.3. – Dismounting and Disassembly of PLANAR-44D
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remove heater from VEH;
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remove upper and lower casing shells (Fig.1);
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disconnect contacts from CU, remove fastening screw of CU, dismount it;
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turn out glow plug;
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remove screws fastening AB to intermediate unitand dismount AB;
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remove screws fastening intermediate unit to heat exchanger and dismount
intermediate unit together with CC;
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remove screws fastening CC to intermediate unit.
4.4. – Dismounting and Disassembly of PLANAR-8DM
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remove heater from VEH;
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remove fastening screws of glow plug cover and control unit;
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disconnect all contacts from CU, dismount CU;
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remove fastening screws of casing halves,dismountthem;
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remove glow plug cap, unscrew glow plug;
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remove fastening screw of AB from intermediate unit, dismount AB;
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disconnect CC with intermediate unit from heat exchanger (unscrew nuts on the
perimeter ofintermediate unit);
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remove screws fastening CC to intermediate unit.