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Technical Information · issue 25 of 1996

Tank housing; carburetor

Model 044, 046 Chainsaws - Series 1128

IssueTI 25/1996
Engine family 1128
From serial 33 986 053

Part changes (1)

WasBecomesWhat the bulletin says
4114 353 1600 1128 353 1600 The original valve 4114 353 1600 in tank housing 1128 350 0806 will be replaced by version 1128 353 1600 from machine number X 33 986 053.

Full text

Page 1 of 2

TI 25/1996 page 1
Technical Information

                                                                                              25.96

Model 044, 046 Chainsaws  -  Series 1128

&RQWHQWV

1. 046: Tank housing (new valve)
2. Carburetor (semi-fixed jet with smaller bore)

1.=====046: Tank housing

The original valve 4114 353 1600 in tank housing
1128 350 0806 will be replaced by version
1128 353 1600 from machine number X 33 986 053K===============fo
The new valve allows air to enter the fuel tank
easier. This helps improve starting behavior.

                                                                                                      145TI011 SC

The sealing lips of the original valve (1)

4114 353 1600 are joined at the ends (arrows).

The sealing lips of the new valve (2) 1128 353 1600
are separated over their whole width.

The new valve is marked with a white dot for easy
identification.

                                                                                                       145TI013 SC

                                                                        1              2

6XPPDU\

Item       Part Name                               Original            New             Rem.
                                                   version             version
1          Tank housing;                           1128 350 0806       1128 350 0806   1)
           including item 2
2          Valve                                   4114 353 1600       1128 353 1600   2)
Modification to be introduced: from machine number X 33 986 053
5HPDUNV
1) Only modified version of part is available from factory
2) Original version of part remains available as spare for other other models
)Technical Information 25.96  -  Page 2

2.=====Carburetor 

Semi-fixed jets (arrow) 1128 121 5600 (Ø 0.72 mm)
and 1128 121 5601 (Ø 0.71 mm) in the carburetors
of models 044 and 046 will be replaced by semi-
fixed jet 1128 121 5602 (Ø 0.70 mm).

The designations of the carburetors change as
follows:

                                                                                                  145TI012 KN
Old           New
HD 8          HD 8 $

HD 9          HD 9 $

HD 10 A       HD 10 %
HD 11         HD 11 $

6XPPDU\
Item       Part Name                             Original                 New             Rem.

                                                 version                  version
           046
1          Carburetor HD 8;
           including item 2
                                                 1128 120 0610     fo     ---             1)

2          Semi-fixed jet Ø 0.72 mm              1128 121 5600            ---             2)
3          Carburetor HD 8 $;                    ---                      1128 120 0610
           including item 4
4          Semi-fixed jet Ø 0.70 mm

                                                 ---                      1128 121 5602

5          Carburetor HD 9;                      1128 120 0613            ---             1)
           including item 2
           Carburetor HD 9 $;

6                                                ---                      1128 120 0613
           including item 4

           044
7          Carburetor HD 10 A;                   1128 120 0619            ---             1)
           including item 8

8          Semi-fixed jet Ø 0.71 mm              1128 121 5601            ---             2)
9          Carburetor ea=NM=B;===================JJJ======================NNOU=NOM=MSNV

           including item 4

10         Carburetor HD 11;                     1128 120 0620            ---             1)
           including item 8

11         Carburetor HD 11 $;                   ---                      1128 120 0620
           including item 4

Modification to be introduced: in progress
5HPDUNV
1) Part will only be supplied from factory with modified semi-fixed jet
2) Part is no longer available from factory

Last Technical Information on models 044, 046: 05.96

                                                            Andreas Stihl - D1/MTK-st
 1996 Andreas Stihl                                        Technical Documentation              5796

Page 2 of 2

TI 25/1996 page 2

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