Technical Information · issue 40 of 2008
New saw chain STIHL 3/8" PICCO™ Micro™ Comfort
IssueTI 40/2008
Full text
Page 1 of 3
STIH)
Technical Information 40.2008
New saw chain STIHL 3/8" PICCO™ Micro™ Comfort – Series 3613
Contents
1. 3/8" PICCO™ Micro™ Comfort saw chain
2. Service note
3. Spare parts
1. 3/8" PICCO™ Micro™ Comfort
saw chain
In the future, 3/8" PICCO™ Micro™ (63 PM) saw 1.2 Advantages
chain, will be replaced by reduced-vibration comfort . Reduced vibration
saw chain 3/8" PICCO™ Micro™ Comfort. The new
saw chain transmits less vibration from the saw . Smooth running
chain to the guide bar, chain saw and saw operator. . Good Control
. High cutting performance
1.1 Saw chain types, short name
Saw chain type Short name
previous new previous new 1.3 Saw chain, chain roll
The new 3/8" PICCO™ Micro™ saw chain
3997 3613 63 PM 63 PMC (63 PMC) is available in the same cutting lengths as
the previous saw chain.
TI_40_2008_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 40.2008
1.4 Function 1.5 Identifying features of the Comfort saw
chain
1 1
689TI137 KN
2 2
689TI139 KN
Cutters and tie straps have a bevelled heel in the
new "Comfort" saw chains. The gap between cutter . The letter "C" features in each cutter (1) and an
and guide bar allows the cutters to tip back gently arrow head in each tie strap (2). The arrow head
during the cutting action. indicates the direction of the saw chain.
1.6 Sharpening the saw chain
The side plate and top plate cutting angle and depth
gauge setting of the new saw chain is identical with
those of the previous saw chains. The new saw
chain is serviced and sharpened exactly like the
previous version.
63 PMC
Sharpening angle 30°
689TI138 KN
Side plate angle 75°
Depth gauge setting .025" (0,65 mm)
When the cutting edge strikes the timber, the cutter
gently moves back allowing most of the impact
energy to be absorbed by the chain. Depending on
the type of chain saw used, vibrations may be
reduced by up to 30 % when cutting.
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Technical Information 40.2008 Page 3
2. Service note dimensions of the others (sharpen cutter and depth
gauge to the dimension of the neighboring links).
The saw chain can be serviced with the rivet
spinners and chain breakers NG 4, NG 5 and NG 7. 2.2 Replacing tie straps
2.1 Replacing cutters The tie straps between cutters have no influence on
the vibration-reducing function of the saw chain.
Repair kits "Right-hand cutter" and "Left-hand
cutter" are available for replacement. Each repair kit The previous tie straps without a bevelled heel are
comprises five cutters and five pre-set tie straps. used when replacing tie straps between cutters (as
previously). This simplifies matters when cutting
Note the direction of the tie strap (arrow head) and saw chain to length and in the event of service.
cutter – The bevel of the tie strap and cutter must be
to the rear of the direction of travel. 2.3 Cutting rolls of chain to length
In the future, the new repair kits will be used for the As previously, tie straps without a bevel at the back
previous saw chain. of the running face are enclosed with rolls of saw
Newly inserted chain links must be adapted to the chain (see b 2.2).
3. Spare parts
Item Part name Part No. Remarks
1 Cutter repair kit, r/h 3636 007 1000 1)
2 Cutter repair kit, l/h 3636 007 1001 2)
3 Tie strap with rivets 3997 660 6600
4 Tie strap without rivets 3997 662 1200
5 Drive link 3/8" PICCO™; 1.3 mm 3997 662 1000
Remarks
1) Comprises five right-hand cutters and five left-hand tie straps with rivets
2) Comprises five left-hand cutters and five right-hand tie straps with rivets
© ANDREAS STIHL AG & Co. KG 2008 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.