SL 800 Parts Removal ReplacementSM-30-4072 Confidential and Proprietary Service ManualVersion 02, 2019-10-24 3 - 17 Order No. 2330-705The printout may be obsolete. Check the SIS for the most current and approved version of this document.3.3.7 Chin Cup ReplacementTools and aids: Torx 10Procedure1) Carefully remove the three fixation screws(Torx 10) of the chin cup, see Fig. 41.2) Remove the chin cup.Fig. 41: Chin cup replacementReassembly1) Reassemble in reverse order.3.3.8 Forehead Strip ReplacementTools and aids: 1.5 mm hex keyProcedure1) Carefully remove the two fixation screws(1.5 mm hex key) of the forehead strip,see Fig. 42.2) Remove Forehead strip.Fig. 42: Forehead strip replacementReassembly1) Reassemble in reverse order.