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Technical Information · issue 57 of 2006

Flywheel, rope rotor; Fan cover with rewind starter; Summary

IssueTI 57/2006
Engine family 1133

Part changes (4)

WasBecomesWhat the bulletin says
1133 400 1203 1133 400 1205 2 Rope rotor The previous flywheel 1133 400 1203 with a second The previous rope rotor 1133 195 0400 will be magnet is replaced by the version 1133 400 1205.
1133 195 0400 1133 195 0401 The previous rope rotor 1133 195 0400 will be The previous fan cover with rewind starter replaced by the new new rope rotor 1133 195 0401.
1133 080 2802 1133 080 2808 1133 080 2802 will be replaced by version 1133 080 2808.
1133 080 2800 1133 080 2807 The previous fan cover with rewind starter The previous fan cover with rewind starter will 1133 080 2800 will be replaced by version remain available for older machines (with single 1133 080 2807.

Full text

Page 1 of 3

TI 57/2006 page 1
STIH)

Technical Information                                               57.2006

  Chain saw STIHL 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 on chain saw models MS 280 and
  MS 280 C with "Intelligent Engine Management",
  the pawls of the rewind starter will be protected from
  moisture and contamination by a double labyrinth
  (arrows).

  TI_57_2006_30_01_01.fm                                             englisch / English USA
)m~ge 2                                                                           Technical Information 57.2006

1.1      Flywheel                                            1.2      Rope rotor
The previous flywheel 1133 400 1203 with a second            The previous rope rotor 1133 195 0400 will be
magnet is replaced by the version 1133 400 1205.             replaced by part number 1133 195 0401.
The new flywheel has a double labyrinth.

                                                                                                               146TI053 KN
                                                             Left:    previous rope rotor 1133 195 0400
                                                             Right:   new rope rotor 1133 195 0401 with double
                                                                      labyrinth and shortened ribs

                                                             1.3      Spare parts/Service note

                                                             1.3.1    Flywheel
                                               146TI052 KN

                                                             The previous flywheel will no longer be available.
                                                             The new kit 1133 400 1251" will include the new
Above:  previous flywheel 1133 400 1203 with                 flywheel (with double labyrinth) and new rope rotor
        single labyrinth                                     available for older machines. The existing rewind
Bottom: new flywheel 1133 400 1205 with                      starter must be converted to the new rope rotor
        double labyrinth                                     included in the kit.
Both flywheels have a second magnet ensuring the
                                                             1.3.2    Rope rotor
energy supply needed for "Intelligent Engine
Management".                                                 The previous rope rotor will remain available for
                                                             older rewind assemblies and flywheels with a single
                                                             labyrinth.
                                                             The new rope rotor 1133 195 0401 can only be
                                                             combined with the new flywheel 1133 400 1205.

                                                                                           TI_57_2006_30_01_01.fm

Page 2 of 3

TI 57/2006 page 2
Technical Information 57.2006                                                                           Page 3

2.     Fan cover with rewind starter                       2.2     Fan cover with rewind starter

The previous rope rotor 1133 195 0400 will be              The previous fan cover with rewind starter
replaced by the new new rope rotor 1133 195 0401.          1133 080 2802 will be replaced by version
                                                           1133 080 2808.
2.1     Fan cover with rewind starter
        (ElastoStart starter grip)                         2.3     Supply of spare parts

The previous fan cover with rewind starter                 The previous fan cover with rewind starter will
1133 080 2800 will be replaced by version                  remain available for older machines (with single
1133 080 2807.                                             labyrinth) flywheel.
                                                           The new fan covers with rewind starter can only be
                                                           combined with the new flywheel 1133 400 1205
                                                           (with double labyrinth).

3.     Summary
Item     Part name                                  Previous                   New                 Remarks
 1       Flywheel                                   1133 400 1203              1133 400 1205       1)
 2       Flywheel;
         including Items 1 and 3:                   ---                        1133 400 1251       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              1133 080 2802              1133 080 2808       3)
Modification to be introduced continuously
Remarks
1) Previous version of part is only available from factory while stocks last
2) New version of part is used as replacement part for older machines
3) The previous version of part will remain available for older machines

© ANDREAS STIHL AG & Co. KG, 2006                          Technical Documentation
                                                           D1/MTK-bl

TI_57_2006_30_01_01.fm

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TI 57/2006 page 3

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