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Technical Information · issue 38 of 1996

Fleece replaces flocked wire cloth filter

IssueTI 38/1996
Engine families 1111, 1121, 1123, 1125, 1127

Full text

Page 1 of 2

TI 38/1996 page 1
Technical Information

                                                                                                            38.96

STIHL Chainsaws==============020 T==================-  Series 112
                             021, 023, 025==========-  Series 1123
                             024, 026===============-  Series 1121
                             029, 039===============-  Series 1127

                             034, 036===============-  Series 1125
                             038====================-  Series 111
                             051, 076===============-  Series 1111

Air filter -  Fleece replaces flocked wire cloth

Air filters with a fleece filter material will be
                                                                &OHDQLQJ
installed in the models listed above in place
of filters with a flocked wire cloth element.                   • If possible, blow out carefully with compressed
                                                                     air at low pressure from the clean air side of
They are specially suitable for applications in dry

                                                                     filter.
and dusty conditionsK
                                                                In case of stubborn dirt or caked filter fleece:
The numbers of the replacement parts remain                     • Wash filter in a clean, non-flammable solution
unchanged.

                                                                    (e.g. warm soapy water).

================================================================Do not clean with a brush because this forces
Cleaning intervals==============================================dirt particles into the fleece.
The surface of the fleece filter is much rougher

than that of the flocked filter. As a result, the filter        Service life of filter
may look heavily contaminated even when it is

only lightly loaded with dirt. It can still be used for a       The special structure of the filter material is
period before cleaning.                                         designed to improve filtering efficiency. On the ot-
                                                                her hand, it will trap dirt particles which can no
The air filter needs to be cleaned daily or when================longer=be=removed=by=cle~ningK=qhe=interv~ls

there is a noticeable loss of power during======================between=cle~nings=become=shorter=~fter=~n=extenJ
cutting.========================================================ded period of use. Filters should be replaced once
                                                                the intervals between cleanings are not long

                                                                enough for practical usage.

                                                                If the filter has been thoroughly cleaned and there
                                                                is still a noticeable loss of power during cutting,
                                                                install a new filter.
)Technical Information 38.96  -  Page 2

6XPPDU\

Item      Part Name                                       Part No.                    Rem.
          020 TI=~ir filter                               1129 120 1606               1)

          021, 023, 025I=~ir filter;                      1123 120 1651               1)
          including item 1
1         Air filter                                      1123 120 1613               1)

          024, ~ir filter ================================NNON=NOM=NSOR===============NF
==========026,=~ir=filter=================================NNON=NOM=NSNO===============NF=OF

          029, 039,=~ir filter                            1127 120 1611               1)

          034, 036I=~ir filter                            1125 120 1615               1) 3)
          034, 036I=~ir filter

                                                          1125 120 1620               1) 3)

          038,=~ir filter;                                1119 120 1611               1)
          including items 2 and 3:

2         Air filter                                      1119 120 1601               1)
3         Air filter                                      1119 120 1606               1)

          051, 076I=~ir filter
                                                          1111 120 1601               1) 2)
Modification to be introduced: in progress

5HPDUNV

1) Unmodified version of part will be supplied until existing stocks are exhausted
2) See TI 31.95

3) See TI 30.95

Last Technical Information on models:
020 T                     TI 33.94
021, 023, 025             TI 24.96

024, 026                  TI 12.96
029, 039                  TI 48.95
034, 036                  TI 32.96

038                       TI 12.89
076                       TI 40.92

                                                          Andreas Stihl - D1/MTK-st
 1996 Andreas Stihl                                      Technical Documentation             5892

Page 2 of 2

TI 38/1996 page 2

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