Technical Information · issue 21 of 2006
Flywheel, rope rotor; Fan cover with rewind starter; Summary
IssueTI 21/2006
Engine family 1133
Part changes (1)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 1133 400 1202 | 1133 400 1204 | 2 Rope rotor The previous flywheel 1133 400 1202 will be The previous rope rotor 1133 195 0400 will be replaced by version 1133 400 1204. |
Full text
Page 1 of 3
STIH)
Technical Information 21.2006
Chainsaws STIHL MS 270, MS 280 – Series 1133
Contents
1. Flywheel, rope rotor
2. Fan cover with rewind starter
3. Summary
1. Flywheel, rope rotor
146TI051 KN
In the future, the rewind starter assembly will have a
double labyrinth seal (arrowed) for more effective
protection from moisture and dirt.
TI_21_2006_30_01_01.fm englisch / English USA
)m~ge 2 Technical Information 21.2006
1.1 Flywheel 1.2 Rope rotor
The previous flywheel 1133 400 1202 will be The previous rope rotor 1133 195 0400 will be
replaced by version 1133 400 1204. replaced by version 1133 195 0401.
The new flywheel has a double labyrinth gap. The labyrinth collar will be adapted to the new rope
rotor.
146TI053 KN
Left: previous rope rotor 1133 195 0400
Right: new rope rotor 1133 195 0401 with
increased labyrinth collar and shortened
146TI052 KN
ribs
Above: previous flywheel 1133 400 1202
1.3 Spare parts/Service note
with single labyrinth gap
Bottom: new flywheel 1133 400 1204 1.3.1 Flywheel
with double labyrinth gap
The previous flywheel is no longer available. For
older machines the “Flywheel kit 1133 400 1250”,
comprising the new flywheel (with double labyrinth
collar) and the new rope rotor is available. The
existing rewind starter must be converted to the
rope rotor included in the kit.
1.3.2 Rope rotor
The previous rope rotor is still available for the
previous fan cover with rewind starter and for
flywheels with a single labyrinth.
The new rope rotor 1133 195 0401 can only be
combined with the new flywheel 1133 400 1204.
TI_21_2006_30_01_01.fm Page 2 of 3
Technical Information 21.2006 Page 3
2. Fan cover with rewind starter 2.3 Supply of spare parts
The previous fan cover with rewind starter with the The previous fan cover with rewind starter and the
previous rope rotor 1133 195 0400 will be replaced previous rope rotor will remain available for older
in production by the versions with the new rope rotor machines with the previous flywheel (with single
1133 195 0401. The previous version remains labyrinth).
available for older machines. The new fan covers with rewind starter include the
new rope rotor 1133 195 0401 and can only be
2.1 Fan cover with rewind starter combined with the new flywheel 1133 400 1204
(ElastoStart starter grip) (with double labyrinth collar).
The previous fan cover with rewind starter
1133 080 2800 will be replaced in production by
version 1133 080 2807. The previous version
remains available for older machines.
2.2 Fan cover with rewind starter
(starter grip without ElastoStart)
The previous fan cover with rewind starter
1133 080 2802 will be replaced in production by
version 1133 080 2808. The previous version
remains available for older machines.
3. Summary
Item Part name Previous New Remarks
1 Flywheel 1133 400 1202 1133 400 1204 1)
2 Flywheel kit (for older machines);
including Items 1 and 3: --- 1133 400 1250 2)
3 Rope rotor 1133 195 0400 1133 195 0401 3)
4 Fan cover with rewind starter
(ElastoStart starter grip) 1133 080 2800 1133 080 2807 3)
5 Fan cover with rewind starter
(starter grip without ElastoStart) 1133 080 2802 1133 080 2808 3)
Modification to be introduced continuously
Remarks
1) Previous version of part is only available while stocks last
2) New version of part is for use as a spare part flywheel replacement for older machines
3) The previous version of part will remain available for older machines
Last Technical Information on the STIHL MS 270, MS 280: 64.2005
© ANDREAS STIHL AG & Co. KG, 2006 Technical Documentation
D1/MTK-bl
TI_21_2006_30_01_01.fm Page 3 of 3
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.