ECHNICAL INFORMATION 97721 T September 2012 Subject Addition of O-ring to Gear housing cover For Models GA4040, GA4040C, GA4540, GA4540C, GA4542C, GA5040, GA5040C, GA5042C, GA6040, GA6040C, GA6042C, SA4540C, SA4542C, SA5040C Country All countries Description O-ring 27.5 has been added to Gear housing cover to improve the product quality. O-ring 27.5 Gear housing cover Gear housing cover complete (318835-8) (141981-0) Interchangeability(I/C) Item No. Current part Q'ty I/C New part Q'ty Note Gear housing cover Gear housing cover complete 006 1 1 318835-8 141981-0 Interchangeability mark; The arrow means that the new part can be substituted for the current. Implementation Implementation From August 2012 production