1. PROTON JISHUKEN CONFERENCE ON 15 th February 2008 FOR PART NAME: TYRE 195/60 R15 88H PART NUMBER: PW824308 MODEL : NEW SEDAN & GXMC3 PRESENTED BY: EASY TBM GROUP CST AS Group Motto: Strive For Excellence Project Theme: Quality Without Compromise

2. Sidewall Blister Final Finish – Tyre Inspector WHAT WHY WHEN WHO WHERE HOW Off standard Catalogue - max. 5 blisters more than 6 mm  Grader - Quality Management During Building process (sidewall stitcher) Poor stitching process Tyre blister in sidewall 5W + 1H FOR OVERALL PROJECT Our problem is the air trapped between sidewall rubber and casing WHEN WHERE S/Wall Stitcher NG  Low Pressure = NG MATERIAL MANAGEMENT MACHINE MAN METHOD Inappropriate sidewall profile Wrong pressure used Wrong setting Poor workmanship Air trapped in sidewall Curing Inspection

3. Process Flow after countermeasure Countermeasure done/plan for each major contributor Close monitoring (> 3days) histogram Previous jishuken problem(s) monitoring histogram (3mth per prob.) a.Daily inspection of Stitcher Pressure condition at Building process. 2G @ Tyre Building during assembly process. New Stitchting Pressure Digital Control at TBM Standardized Stitching Pressure From Nov 07 till Jan 08 scrap improvement, we manage to reduced cost of scrap tyre up to RM 2260.00 /month. Ave. for 2 mth scrap RM390.00 RM2652.00 OKNG  Cost of kaizen Nov. 07 Dec. 07 Jan 08 Monitoring in Jan 08 (Total Scrap = 6pcs) 3pcs scrap come from 3# machine