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Technical Information · issue 25 of 2004

Carburetor; Ignition module

IssueTI 25/2004

Part changes (1)

WasBecomesWhat the bulletin says
4140 400 1303 4140 400 1305 Ignition module (standard setting with (up to the stop) To continue the standardization of parts, the ignition cap): module 4140 400 1303 is being replaced by the ignition module 4140 400 1305 which is already in use in machines with catalytic converter.

Full text

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TI 25/2004 page 1
STIH)

Technical Information                                                             25.2004

  Edge trimmer STIHL FC 55 – Series 4140
  Brushcutters STIHL FS 45, FS 46, FS 55 – Series 4140
  Hedge trimmer STIHL HL 45 – Series 4232
  CombiEngine STIHL KM 55 – Series 4140

  Contents
  1. Carburetor
  2. Ignition module

  1.      Carburetor                                   Service note

  To further optimize operation, the previous          If older machines have to be repaired, new
  carburetor C1Q-S71 4140 120 0606 has been            carburetors can be installed instead of the previous
  replaced by the new carburetor C1Q-S97               carburetor with H, L and LA screws.
  4140 120 0612.                                       Spare parts
  Mechanical design, function and adjustment of the    The previous carburetor C1Q-S71 4140 120 0606
  new carburetor are identical with those of the       will only be available while stocks last. The
  previous carburetor. Refer also to TI 36.2002 and    individual carburetor parts will remain available.
  TI 27.2001.
                                                       The spare parts for the new carburetor are listed in
  Standard setting for the user:                       the current spare parts documentation.
  Low speed screw L:         1 turn open
  High speed screw H         Max. 3/4 turn open        2.      Ignition module
  (standard setting with     (up to the stop)
                                                       To continue the standardization of parts, the ignition
  cap):
                                                       module 4140 400 1303 is being replaced by the
                                                       ignition module 4140 400 1305 which is already in
                                                       use in machines with catalytic converter.
  Basic setting without limiter cap:
  High speed screw H          1 1/2 turns open         Service note
  (basic setting without      (starting with the       The new ignition module can also be installed when
  cap):                       adjusting screw in its   repairing older machines.
                              seat)

  TI_25_2004_30_01_01.fm                                                            englisch / English USA
)m~ge 2                                                                         Technical Information 25.2004

Summary

Item     Part Name                                 Previous               New                     Remarks
 1       Carburetor C1Q-S71                        4140 120 0606          ---                     1)
 2       Carburetor C1Q-S97                        ---                    4140 120 0612
 3       Ignition module                           4140 400 1303          4140 400 1305           2)

Modification to be introduced continuously
Remarks
1) Previous version of part remains available from factory while stocks last
2) Previous version of part remains available for other series

Last Technical Information on the STIHL       FS 45, FS 46, FC 55, HL 45: 48.2003
                                              FS 55, KM 55: 49.2003

© ANDREAS STIHL AG & Co. KG, 2004             Technical Documentation
                                              D1/MTK-ja

                                                                                         TI_25_2004_30_01_01.fm

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TI 25/2004 page 2

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