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Technical Information · issue 45 of 2007

Housing, wiring harness, ground wire; Summary

IssueTI 45/2007
Engine family 1138

Part changes (2)

WasBecomesWhat the bulletin says
1138 440 3000 1138 440 3004 The new housing The previous wiring harness 1138 440 3000 is is characterized by a retainer which makes it easier replaced by the new version 1138 440 3004.
1138 440 2201 1138 440 2202 4 Ground wire The previous ground wire 1138 440 2201 is replaced by the new version 1138 440 2202.

Full text

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TI 45/2007 page 1
STIH)

Technical Information                                                             45.2007

  Chain saws STIHL MS 441, MS 441 C – Series 1138

  Contents
  1. Housing, wiring harness, ground wire
  2. Summary

  1.     Housing, wiring harness, ground
         wire
  The housing will now incorporate a retainer for wire
  routing in chain saws with handle heating or handle
  and carburetor heating. The wiring harness and
  ground wire have been changed to accommodate
  the new routing.

                                                                                                         219TI025 KN


                                                         Left:    Previous housing
                                                         Right:   New housing with retainer (1)

  TI_45_2007_30_01_01.fm                                                             englisch / English USA
)m~ge 2                                                                   Technical Information 45.2007

1.1      Housing                                       1.3    Wiring harness
         (Machines without handle heating or           The length of the wiring has been changed to
         handle and carburetor heating)                accommadate the new routing in machines with
The previous housing 1138 120 3500 is replaced by      handle heating or handle and carburetor heating.
the new version 1138 120 3502. The new housing
                                                       The previous wiring harness 1138 440 3000 is
is characterized by a retainer which makes it easier
                                                       replaced by the new version 1138 440 3004.
to route the wiring in machines with handle heating
or handle and carburetor heating.                      The new wiring harness has longer supply lines for
                                                       the heater switch and heating element (carburetor
Supply of spare parts
                                                       heating).
Only the new housing 1138 120 3502 with retainer
will be available as a replacement part in future.
The previous housing 1138 120 3500 without
retainer is no longer available.
Service note
The housing with retainer can also be installed in
                                                                                      B
older machines without handle heating or handle
and carburetor heating. The new retainer is not                                A
needed in machines without handle heating or
handle and carburetor heating.

                                                                                                          219TI026 KN
1.2      Housing                                       Previous wiring harness 1138 440 3000:
         (Machines with handle heating or handle       A = 14.65" (372 mm) and B = 5.51" (140 mm)
         and carburetor heating)                       New wiring harness 1138 440 3004:
The previous housing 1138 120 3501 is replaced by      A = 14.96" (380 mm) and B = 5.67" (144 mm)
the new version 1138 120 3503. The new housing
is characterized by a retainer which makes it easier
to route the wiring.                                   Spare parts/Service note

Supply of spare parts                                  Only the new wiring harness 1138 440 3004 will be
                                                       available as a replacement part in the future.
The previous housing will no longer be available in
the future. Housing 1138 120 3504 with new ground      The new wiring harness can also be installed in
wire 1138 440 2202 and new wiring harness              older machines. The old wiring harness can only be
1138 440 3004 is available for older machines.         used in combination with the old housing
                                                       (1138 120 3501) without retainer.
Housing 1138 120 3503 without ground wire and
wiring harness is available for newer machines.
Service note
Housing 1138 120 3504 must be used if the old
housing without retainer is replaced when servicing
a machine with handle heating or handle and
carburetor heating. The new housing with retainer
can only be used in combination with the new
ground wire 1138 440 2202 and the new wiring
harness 1138 440 3004 (as noted in section 1.5
Permissible housing / wiring harness / ground wire
combinations).

                                                                                    TI_45_2007_30_01_01.fm

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TI 45/2007 page 2
Technical Information 45.2007                                                                       Page 3

1.4      Ground wire
The previous ground wire 1138 440 2201 is
replaced by the new version 1138 440 2202.
The new ground wire no longer includes a lead
retainer.

                                                     219TI027 KN

Left:      Previous ground wire with lead retainer
Right:     New ground wire without lead retainer

Spare parts/Service note
The previous ground wire remains available for
older machines and can only be used in
combination with the old housing without retainer.
The new ground wire 1138 440 2202 can only be
used in combination with the new housing (with
retainer).

1.5      Permissible housing / wiring harness /
         ground wire combinations
The permissible combinations in machines with
handle heating or handle and carburetor heating are
listed in the following table.

                                             Machines with handle heating or handle and carburetor heating

                                             Previous housing                 New housing
                                             1138 120 3501                    1138 120 3503
Previous wiring harness 1138 440 3000        permitted                        not permitted.
New wiring harness 1138 440 3004             permitted                        permitted
Previous ground wire 1138 440 2201
(with lead retainer)                         permitted                        not permitted
New ground wire 1138 440 2202
(without lead retainer)                      not permitted                    permitted

TI_45_2007_30_01_01.fm
)m~ge 4                                                                              Technical Information 45.2007

1.6      Routing
Previous routing with lead retainer on the ground                 New routing with new retainer on the housing:
wire:


                             1         a                                                    1
                                                                                                   b
                                                    219TI028 KN

                                                                                                                    219TI029 KN
.     Place connecting cable (1) under the lead                   .   Place connecting cable (1) under the new
      retainer (a) of the ground wire (2).                            retainer (b).
.     The connecting cables in the wiring harness and             .   The connecting cables in the wiring harness and
      the short circuit wire must be secured in the                   the short circuit wire must be secured in the
      guides and retainers.                                           guides and retainers.

                                                                                                TI_45_2007_30_01_01.fm

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TI 45/2007 page 3
Technical Information 45.2007                                                                         Page 5

2.     Summary
Item    Part Name                                                Previous        New             Rem.
 1      Housing                                                  1138 120 3500   1138 120 3502   1)
 2      Housing (machines with handle heating or handle
        and carburetor heating)                                  1138 120 3501   1138 120 3503   1)
 3      Housing
        Housing (machines with handle heating or handle
        and carburetor heating); including Items 4 and 5         ---             1138 120 3504   2)
 4      Wiring harness                                           1138 440 3000   1138 440 3004   1)
 5      Ground wire                                              1138 440 2201   1138 440 2202   3)

Modification to be introduced continuously
Remarks
1) Previous version of part no longer available from factory
2) New version of part can be used for older machines
3) Previous version of part remains available for older models

© ANDREAS STIHL AG & Co. KG, 2007                         Technical Documentation
                                                          D1/MTK-bl

TI_45_2007_30_01_01.fm

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