Technical Information · issue 31 of 2004
STIHL Oilomatic saw chain 3/8" Rapid Micro 2
IssueTI 31/2004
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Technical Information 31.2004
STIHL Oilomatic saw chain 3/8" Rapid Micro 2 – Type 3992, 3994
New geometry of the triple-humped tie
straps
The geometry of the triple-humped tie straps has
been changed for the 3/8" Rapid Micro 2 saw chain.
The dark area represents the new profile.
The part numbers for the saw chain and chain reels
remain unchanged.
Triple-humped tie strap: Service note
Left: previous profile
Right: new profile The previous and new versions of the triple-humped
tie strap can be used in combination.
Spare parts
Except for the triple-humped tie straps, all other
chain parts remain unchanged.
TI_31_2004_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 31.2004
Summary
Item Part Name Previous New Remark
1 Triple-humped tie strap, right, 3/8" 3994 662 3900 3994 662 3901 1)
2 Triple-humped tie strap, left, 3/8" 3994 662 4000 3994 662 4001 1)
Modification to be introduced continuously
Remark
1) Previous version of part only remains available from factory while stocks last
Last Technical Information on STIHL saw chain: 38.2003
© ANDREAS STIHL AG & Co. KG, 2004 Technical Documentation
D1/MTK-bl
TI_31_2004_30_01_01.fm Page 2 of 2
Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.