0 =)=0 } 1, First, Disassemble the product base snd the 2. Mark the location of the hole on the wall steel gasket. according to the steel gasket, 3. Use the mE Bit punch hills ih the marked 4, Use the hammerer to push the plastic position. expansion pipe into the hole. e ® §. Tighten the stainless steel screws with a 6. Page the product base In the steel gasket screwdriver fix the steel gasket. position and tighten the base with a'wrench. NOTE: a.