Technical Information · issue 7 of 2005
New STIHL .325" Rapid Micro Comfort saw chains
IssueTI 7/2005
Full text
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Technical Information 07.2005
New STIHL .325" Rapid Micro Comfort saw chains Series 3627
Series 3628
Series 3629
Contents
1. Technical description
2. Service note
3. Saw chain types
1. Technical description
The new low-vibration .325" Rapid Micro Comfort Depth gauge and cutting edges (side and top plate
(.325" RMC) saw chain is designed for users who cutting edges) of the new cutters are identical with
appreciate both low vibrations and high cutting those on the Rapid Micro saw chain.
performance. The new saw chains are available with drive link
The new saw chain can be used for all jobs for which gauges of 0.050 in., 0.058 in. and 0.063 in. (1.3 mm,
the .325" chains are designed. 1.5 mm and 1.6 mm).
As with the 3/8" RSC and 3/8" RSC 3 saw chains,
fewer vibrations are transmitted from the chain to
the guide bar, chainsaw and operator with the .325"
RMC. This results in a low level of vibrations with
high cutting performance.
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1.2 Function
The rear part of the running face on the cutters and
tie straps on both the Rapid Micro C and Rapid When the cutting edge contacts the timber, the
Super C is tapered away from the bar rails. The cutter gently moves back and most of the impact
clearance between cutter and guide bar allows the energy is absorbed. Depending on the type of
cutters to tip back gently. chainsaw used, this reduces vibrations by up to 40%
when cutting.
1.1 Advantages
. Lower vibration 1.3 Identifying features of the Rapid Micro C
. Smooth running
. Good cutting performance
As on the Rapid Super C, the letter "C" is
incorporated into the cutters (1) while the drive
links (2) feature arrow heads which point in the
direction of running of the saw chain.
1.4 Sharpening the saw chain
Depth gauge setting, side and top plate cutting
angle on the .325" RMC saw chains are identical
with those on the .325" RM chain and are sharpened
in the same way.
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Technical Information 07.2005 Page 3
2. Service note Replacing tie straps
The saw chain can be serviced with the standard The previous tie straps are used when replacing tie
rivet spinners and chain breakers. straps between cutters.
Replacing cutters Cutting rolls of chain to length
Repair kits "Right-hand cutter" and "Left-hand As before, tie straps without bevel at the back of the
cutter" are available for replacement. Each repair kit running face are enclosed with the rolls of saw
comprises five cutters and five rolled tie straps. chain. The tie straps between cutters have no
influence on the vibration-reducing function of the
Note the direction of running of the tie strap (arrow saw chain.
head) and cutter – tie strap and cutter must be cut
clear at the back of the running surface.
Spare parts
Item Part name Part No. Remarks
1 Repair kit, right-hand cutter 3629 007 1000 1)
2 Repair kit, left-hand cutter 3629 007 1001 2)
Remaining parts as for .325" Rapid Micro
Remarks
1) Comprises five right-hand cutters and five left-hand tie straps
2) Comprises five left-hand cutters and five right-hand tie straps
3. Saw chain types
Chain types Short name Chain pitch Drive link gauge
3627 23 RMC .325" 0.050 in (1.3 mm)
3628 25 RMC .325" 0.058 in. (1.5 mm)
3629 26 RMC .325" 0.063 in. (1.6 mm)
The .325" RMC chains are available in the same cut
lengths as Rapid Micro saw chains.
© ANDREAS STIHL AG & Co. KG, 2005 Technical Documentation
D1/MTK-bl
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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.