Operation Manual / 4 Product description / A100-L8 Disassembly and assembly Page 72 / 113© Copyright 2016 ABB. All rights reserved. HZTL4034_EN Revision H November 20168.8 Dismantling insulation, gas inlet casing and nozzlering (A175-L and smaller)Dismantling the insulationNOTICEDry cleaningThe dry cleaning does not have to be removed to dismantle the insulation.Figure 37: Removing the insulation (A175-L and smaller).1. Loosen and remove screws of insulation jackets (51200) from gas outlet casing (61001).2. Loosen and remove all connecting plates of insulation jackets.3. Remove insulation jackets.4. Detach flange connection between gas inlet casing (51001) and bellows.