Technical Information · issue 3 of 2011
New saw chain STIHL 1/4" PICCO™ Micro™ 3 (71 PM3); New guide bar STIHL ROLLOMATIC® E Mini (1/4" P)
IssueTI 3/2011
Part changes (1)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 5203 893 4100 | 5203 893 4101 | 689TI162 KN The previous setting gauge 5203 893 4100 will be replaced by version 5203 893 4101. |
Full text
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STIH)
Technical Information 03.2011
New saw chain STIHL 1/4" PICCO™ Micro™ 3 (71 PM3) – Series 3670
New guide bar STIHL ROLLOMATIC® E Mini (1/4" P) – Series 3005
Overview
1. STIHL 1/4" PICCO™ Micro™ 3 (71 PM3)
2. Sharpening, maintaining and repairing the saw chain
3. STIHL ROLLOMATIC® E Mini guide bar
1. STIHL 1/4" PICCO™ Micro™ 3
(71 PM3)
The world's first 1/4" low-profile saw chain –
exclusively at STIHL servicing dealers.
The new 1/4" PICCO™ Micro™ 3 (71 PM3) saw
chain with 1/4" PICCO™ chain pitch and the
corresponding STIHL ROLLOMATIC® E Mini guide
bar were developed especially for the MSA 160 C
cordless chain saw and are also suitable for chain
saws with an engine/motor power of up to approx.
689TI158 KN
1.34 hp (1.0 kW) and pole pruners with an engine
power of up to approx. 2.0 hp (1.5 kW).
The new 1/4" STIHL PICCO™ Micro™ 3 saw chain
Target user groups/applications
stands out due to its compact design in combination
with the small chain pitch and humped drive link. The new low-kickback, low-vibration
It combines high cutting performance with very good 1/4" STIHL PICCO™ Micro™ 3 is suitable, in
cutting quality and reduced vibration. combination with the new STIHL MSA 160 C
cordless chain saw, for professional gardening and
landscaping, cutting firewood, and carpentry.
TI_03_2011_30_01_01.fm englisch / English
)m~ge 2 Technical Information 03.2011
1.1 Advantages New chain pitch marking
. High cutting performance with very good cutting In future, the chain pitch will be indicated by
quality (21 % more than with the familiar a single-digit number in the area of the depth gauge
3/8" PMMC3) of each cutter:
. Maximum comfort Chain pitch Marking
– low vibrations
– smooth cutting Previous New
– reduced tendency to chatter 1/4" P --- 7
. low kickback – due to the humped drive link 1/4" 1/4 1
3/8" P P, PM 6
1.2 Vibrations .325" 325 2
The method of reducing the vibration level is the 3/8" 3/8 3
same one used in the 3/8" PMMC3 saw chain. .404" 404 4
Unlike the other comfort saw chains, the new 1/4"
STIHL PICCO™ Micro™ 3 saw chain does not
have a "C" in the saw chain designation. 1.4 Side plate and top plate cutting angle,
depth gauge setting
1.3 Features
1
1
a
b
c
689TI160 KN
689TI159 KN
a = sharpening angle 30°
. The 1/4" P chain pitch is indicated by the "7"
embossed in the area of the depth gauge of b = side plate angle 75°
each cutter c = depth gauge setting 0.018" (0.45 mm)
. The humped drive link (1) guides the cutter into
the timber smoothly and gently, thus improving
the chain's smooth running and reducing its
tendency to kick back
As with all STIHL comfort saw chains, the letter "C"
features in each cutter and an arrow head in each tie
strap (2). The arrow indicates the direction of
running of the saw chain.
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Technical Information 03.2011 Page 3
1.5 Saw chain type
Chain type Abbreviated designation Chain pitch Drive link gauge
3670 71 PM3 1/4" STIHL PICCO™ 0.043" (1.1 mm)
The 1/4" PM3 saw chain is available in precut loops
(64 drive links) for use with the new 12" STIHL
ROLLOMATIC®E Mini (1/4" P) guide bar and in 100’
reels (2400 drive links)
2. Sharpening, maintaining and 2.2.1 Setting gauge (diamond dressing
repairing the saw chain attachment)
With the introduction of the new 1/4" low-profile
1/4" P chain pitch, the following tools and gauges
are available.
2.1 File holder, round file, file gauge
689TI162 KN
The previous setting gauge 5203 893 4100 will be
replaced by version 5203 893 4101.
The new setting gauge 5203 893 4101 is
689TI161 KN
characterized by the setting profile "R1.7 / 1/4" P"
and the eliminated setting profile "1/2" / R3.2".
To match the new 1/4" P saw chain pitch:
2.2.2 Dressing gauge
Designation Part No.
File holder 1/4" STIHL PICCO™
with round file 5605 750 4300
Round file
– Diameter: 1/8“ (3.2 mm)
– Length: 5.90" (150 mm) 5605 771 3206
File gauge
– Depth gauge setting
0.018" (0.45 mm) 0000 893 4005
689TI163 KN
2.2 USG chain sharpener
The new shaped grinding wheel 5203 750 7017 is
necessary for sharpening the 1/4" STIHL PICCO™ The previous dressing gauge 5203 893 6306 for the
Micro™ 3. This grinding wheel is characterized by a shaped grinding wheels is replaced by the new
1.7 mm radius, see b 2.2.3. version 5203 893 6307.
The new dressing gauge 5203 893 6307 is
characterized by the radius "R1.7 / 1/4" P" and the
eliminated radius "R3.2 / 1/2".
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)m~ge 4 Technical Information 03.2011
2.2.3 Settings 1/4" STIHL PICCO™ Micro™ 3 2.3 Repairing the saw chain
with USG chain sharpener
2.3.1 Set of tools 1/4" STIHL PICCO™
(NG 4, NG 5, NG 7)
The set "Tools 1/4" STIHL PICCO™" can be used to
retrofit existing rivet spinners and chain breakers
NG 4, NG 5 and NG 7.
This set makes it possible to remove and insert
rivets in the new 1/4" STIHL PICCO™ Micro™ 3
saw chain.
689TI164 KN
a
Scale Cutter 1) Depth gauge 2)
right left
A +40 +40 +40
B +15 -15 0
C +30 -30 0
689TI165 KN
1)
New abrasive wheel 5203 750 7017 with
R = 0.067" (1.7 mm) The set of tools 1/4" STIHL PICCO™
2)
Abrasive wheel 5203 750 7015 5805 007 1000 consists of:
– Spinner insert 1/4" STIHL PICCO™
– Thrust screw 1/4" STIHL PICCO™
– Guide washer 1/4" STIHL PICCO™ to 1/2"
– Die 1/4" STIHL PICCO™ to 0.404"
– Punch 1/4" STIHL PICCO™ (a = 0.047"
(1.2 mm) punch diameter)
Spinner insert and thrust screw
Spinner insert and thrust screw are marked with the
letter "D".
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Technical Information 03.2011 Page 5
Guide washers Die, punch
For removing rivets with the devices NG 4 and
NG 7, the new punch 5805 757 9303 and the new
die 5805 757 7105 are required for the new 1/4" P
chain pitch.
689TI167 KN
689TI166 KN
The new punch 5805 757 9303 is characterized by
a punch diameter (a) of 0.047" (1.2 mm)
The new die 5805 757 7105 is expanded by the
New guide washers (1) with offset bearing bores. mount "1/4P".
The enlarged center offset on the guide washers (1) In future, the marking on the mounts of the dies will
is necessary in order to align the rivets of the new be changed:
1/4" P chain pitch horizontally on the same plane as
the spinner and the thrust screw. Chain pitch Marking
Previous New
1/4" P --- 1/4P
1/4", 3/8" P 1/4 + STIHL 1/4+3/8P
PICCO™
.325" 325 R .325
3/8" 3/8 R 3/8
.404" .404 R .404
Spare parts
The previous die 5805 757 7102 and the previous
guide washers 5805 752 0710 are being replaced
by the new versions die (1/4" STIHL PICCO™ to
0.404") 5805 757 7105 and guide washer (1/4"
STIHL PICCO™ to 1/2") 5805 752 0701. Additional
parts of the set of tools 1/4" STIHL PICCO™
5805 007 1000 are not available as spare parts.
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)m~ge 6 Technical Information 03.2011
2.3.2 Set of tools 1/4" STIHL PICCO™ chain 2.3.3 Replacing cutters
breaker and rivet spinner (NG 3) Repair kits "Right-hand cutter" and "Left-hand
For cutting saw chains to length and repairing them cutter" are available for replacement. Each repair kit
with the chain breaker and rivet spinner NG 3, the is comprised of five cutters and five tie straps with
set of tools 5804 007 1007 is available. This set rivet. When making repairs, note the direction of
makes it possible to remove and insert rivets in the running of the tie strap (arrow head) and cutter.
new 1/4" STIHL PICCO™ Micro™ 3 saw chain.
2.3.4 Replacing tie straps
The set of tools 1/4" STIHL PICCO™
5804 007 1007 consists of: To replace the tie straps between cutters, the left-
hand tie strap with rivet 3669 660 7200 and the tie
Designation Part No.
strap without rivet 3669 662 5000 will be available in
Punch head 1/4" P 5804 750 7107 future.
Die 1/4" P 5804 750 6611
Spinning head 1/4" P 5804 750 5736
Anvil 1/4" P 5804 750 6750
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Technical Information 03.2011 Page 7
2.4 Spare parts
Item Designation Part No. Remarks
1 Cutter repair kit, r/h 3669 007 1000 1)
2 Cutter repair kit, l/h 3669 007 1001 2)
3 Tie strap with rivets 3669 660 7200
4 Tie strap without rivets 3669 662 5000
5 Humped drive link 1/4" STIHL PICCO™; 3669 662 1100
0.043" (1.1 mm)
6 Drive link 1/4" STIHL PICCO™; 0.043" 3669 662 1000
(1.1 mm)
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
3. STIHL ROLLOMATIC® E Mini
guide bar Saw chains
The new three-part guide bar is characterized by Only the STIHL 1/4" STIHL PICCO™ Micro™ 3
a 10-tooth 1/4" STIHL PICCO™ sprocket nose and (71 PM3) saw chain can be used on the new guide
a groove width of 0.043" (1.1 mm). bars with a groove width of 0.043“ (1.1 mm) and a
The guide bar has a 3005 bar mount and is 1/4" STIHL PICCO™ sprocket nose.
characterized by good stability with low weight.
The STIHL ROLLOMATIC® E Mini is available only
in the 12" (30 cm) length.
Guide bar / saw chain
Item Designation Part No. Length Drive link gauge /
groove width
1 71 PM3 STIHL PICCO™ Micro™ 3670 005 0064 12" (30 cm) 0.043" (1.1 mm)
Chain 64 drive links
2 Guide bar 12" (30 cm) 1.1; 3005 000 3505 12" (30 cm) 0.043" (1.1 mm)
1/4" STIHL PICCO™ Micro™ 64 drive links
Color coding of the 1/4" STIHL PICCO™ Micro™ 3
(71 PM3) saw chain is green.
© ANDREAS STIHL AG & Co. KG, 2011 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.