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T
ECHNICAL INFORMATION
Subject Changes of Piston and O Ring
57864
For Models HR5001C
Description As illustrated below, Piston and O Ring have been changed for improvement in endurance.
Current New
O Ring Groove for O Ring
Piston
O Ring 32 O Ring 35
Piston
Groove for O Ring on Piston
has been modified.
Interchangeability(I/C)
Item No. Current part Q'ty I/C New part Q'ty Note
O Ring 32 1 O Ring 35 1
050 Yes
213459-4 213460-9
049 Piston Piston Part No. of Piston
1 Yes 1
416563-0 416563-0 remains the same.
Implementation
From serial No.14705E (Jan.,1999)