Technical Information · issue 2 of 2009
New saw chain 3/8" STIHL PICCO™ Duro 3 (63 PD3)
IssueTI 2/2009
Full text
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STIH)
Technical Information 02.2009
New saw chain 3/8" STIHL PICCO™ Duro 3 (63 PD3) – Series 3612
Summary
1. 3/8" STIHL PICCO™ Duro 3 (63 PD3)
2. Sharpening the saw chain
3. Service note
4. Spare parts
5. Saw chain type
1. 3/8" STIHL PICCO™ Duro 3
(63 PD3)
The new 3/8“ STIHL PICCO™ Duro 3 carbide tipped
saw chain (63 PD3) provides good cutting
performance and long service life in combination
with reduced vibration and low kickback.
Target user groups
- Occasional users
- Tradespeople
- Gardeners and landscapers
689TI143 KN
Application areas
- For small displacement gasoline chain saws
The new 3/8“ STIHL PICCO™ Duro 3 (63 PD3) and electric chain saws
remains sharp without resharpening up to four times
- Cutting firewood
longer than standard saw chains, especially under
extreme cutting conditions. This is ensured by - Abrasive operating conditions, e.g., sandy
precision soldered, carbide-tipped cutters. wood, cement-encrusted formwork
– Storm clean up
TI_02_2009_30_01_01.fm englisch / English
)m~ge 2 Technical Information 02.2009
1.1 Advantages 2. Sharpening the saw chain
. long service life – up to 4x longer cutter service Like all STIHL carbide-tipped saw chains (Duro), the
life in comparison with a standard saw chain 3/8" STIHL PICCO™ Duro 3 can be sharpened with
. Cutting performance comparable with a the USG (universal chain sharpener) using the new
standard chain special diamond grinding wheel 5203 757 0906.
. maximum comfort Clean the saw chain; check it for cracks and
– low vibrations damaged chain components. Replace damaged or
– smooth cutting worn chain components and adapt these parts to
– reduced tendency to chatter the remaining parts in terms of shape and level of
wear.
. Low kickback – due to the humped drive link
Carbide-tipped cutters cannot be sharpened with a
1.2 Vibrations standard, round saw chain file.
The method of reducing the vibration level while
2.1 Side plate and top plate cutting angle,
maintaining high cutting performance is the same
depth gauge setting, tooth length
one used in the 3/8" PMC3 saw chain.
1.3 Features
c
Unlike the other comfort saw chains, the new 3/8"
STIHL PICCO™ Duro 3 (63 PD3) saw chain does a
not have a "C" in the saw chain designation.
b
1 2 1
689TI145 KN
d
a= sharpening angle 30°
b= Side plate angle 80°
3 c= Depth gauge setting 0.025" (0.65 mm)
689TI144 KN
d= minimum tooth length – if the minimum
tooth length is reached during
. Cutter (1) of finely structured wolfram carbide resharpening, replace saw chain
guarantees long service life – even when cutting
dirty and abrasive wood 2.2 Diamond grinding wheel
. The drive link is extended upwards by a The new diamond grinding wheel 5203 757 0906 is
hump (2) to guide the cutter into the timber necessary for sharpening the 3/8" STIHL PICCO™
smoothly and gently, thus improving the chain's Duro 3 on a USG chain sharpener.
smooth running and reducing its tendency to For alternative chain sharpeners, the diamond
kick back. grinding wheel 5.00x0.24x0.87" (125x6x22.2 mm)
As with all STIHL comfort saw chains with the part number 5203 757 0908 is available.
This grinding wheel is characterized by a 7/8"
. Each cutter (1) has the letter „C“ and each tie (22.2 mm) arbor size.
strap (3) has an arrow indicating the running
direction of the saw chain.
The color code of the new saw chain is green.
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Technical Information 02.2009 Page 3
2.3 Settings 3/8" STIHL PICCO™ Duro 3 with 3. Service note
USG sharpener
The saw chain can be serviced with the rivet
spinners and chain breakers NG 4, NG 5 and NG 7.
3.1 Replacing cutters
Repair kits "Right-hand cutter" and "Left-hand
+ cutter" are available for replacement. Each repair kit
A comprises five cutters and five tie straps with rivets.
+
When servicing or repairing the chain, note the
+ C running direction (arrow head) of the tie strap and
689TI009 KN
cutter. The bevel of the tie strap and cutter must be
B to the rear of the direction of travel.
3.2 Replacing tie straps
Scale Cutter 1) Depth gauge 2)
The tie straps between cutters have no influence on
right left the vibration-reducing function of the saw chain.
A +30 +30 +40 The previous tie straps without beveled heel are
B +15 -15 0 used when replacing tie straps between cutters.
C +30 -30 0 This simplifies matters when cutting saw chain to
length and in the event of service.
1)
Grinding wheel 5203 757 0906 (new)
2) Grinding wheel 5203 750 7015 3.3 Cutting rolls of chain to length
Tie straps without bevel at the back of the running
2.4 Sharpening the master cutter face are enclosed with the rolls of saw chain (see
Carefully move the support downward – the grinding b 3.2).
wheel should only briefly contact the cutter
removing little material - max. .01" (.3 mm).
In the event of decreased grinding performance,
dress the grinding wheel 5203 757 0906 using
dressing stone 5203 893 6200. To do this, press the
dressing stone briefly and firmly against the rotating
grinding wheel.
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)m~ge 4 Technical Information 02.2009
4. Spare parts
Item Part name Part No. Remarks
1 Cutter repair kit, r/h 3612 007 1000 1)
2 Cutter repair kit, l/h 3612 007 1001 2)
3 Tie strap with rivets 3997 660 6600
4 Tie strap without rivets 3997 662 1200
5 Humped drive link 3/8" STIHL 3636 662 1100
PICCO™ Duro 3; 0.050" (1.3 mm)
6 Drive link 3/8" STIHL PICCO™ Duro 3; 3997 662 1000
0.050" (1.3 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
5. Saw chain type
Chain types Abbreviated Chain pitch Drive link gauge
designation
3612 63 PD3 3/8" STIHL PICCO™ Duro 3 0.050" (1.3 mm)
The 3/8" PD3 saw chain is available in the same cut
lengths as the 3/8" PMC3 saw chain and also in a
100’ reel.
© ANDREAS STIHL AG & Co. KG, 2009 Technical Documentation
D1/MTK-bl
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