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T
ECHNICAL INFORMATION
Subject Addition of an Inner Snap Ring to Gear Case Assembly
Y02340
For Models MS220, MS221, MS250, MS251, RBC220, RBC221, RBC250, RBC251
Country All countries
Description An Inner Snap Ring has been added to Gear Case Assembly, and it is placed between Outer Stop
Ring and Shaft as illustrated below. Accordingly, the part number of Gear Case Assembly has
been changed. There is a letter of "C" embossed on the new Gear Case as a mark for distinction.
At the same time, some constituent parts (written in bold in the following illustration) of Gear Case
Assembly have become available.
New Gear Case Assembly
Consists of 17 parts as illustrated below, and no modification
has been implemented except the addition of Inner Snap Ring.
Gear Case
Bolt
embossed "C"
Ball Bearing 609ZZ
Outer Snap Ring Ball Bearing 626
Inner Snap Ring
(Newly added) Ball Bearing 608LLU
Inner Snap Ring
Receive Washer
Gear Set
Interchangeability(I/C)
Item No. Current part Q'ty I/C New part Q'ty Note
Gear Case Assembly
003 1 Yes Gear Case Assembly 1
6253011002 6253014000
Inner Snap Ring 1 A constituent part of
092
0031424000 the new Gear Case Ass'y
089 Gear Set 1
6253013000
090 Outer Snap Ring 1
0031509000
091 Ball Bearing 609ZZ 1
6212500300
093 Bolt 1
6253011011 Constituent parts of both
the current Gear Case
094 Ball Bearing 626 1 Ass'y and the new one
6213500900
095 Ball Bearing 608LLU 1
6253503700
Inner Snap Ring 1
096
0031422000
097 Receive Washer 1
6258504400
Implementation
From Apr. 1994