Technical Information · issue 20 of 1995
HD air filter; chain brake; filter cover
Model 044 Chain Saws - Series 1128
Part changes (1)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 1128 140 1000 | 1128 140 1003 | 1128 140 1000 will be replaced by the new cover 1128 140 1003. |
Full text
Page 1 of 4
Technical Information
20.95
Model 044 Chain Saws - Series 1128
&RQWHQWV
1. HD air filter (modified version)
2. Chain brake
3. Filter cover (reduced noise)
1.=HD air filter
Modified HD filters will be installed in model 044 The original gasket 1124 129 0900 mounted in the
saws from machine number X 31 098 388.=============================fo
filter base has been deleted.
Furthermore, the new HD filter provides a very
The seal between the filter base and filter cover good retention rate on sites where there is a lot of
has been optimized on the new HD filters. fine dust. The felt prefilter 0000 141 0300 ensures
The new version of the HD filter differs from the a tighter fit on the filter element than the previous
original version (metal) in that it has an integrally version (1124 141 0301).
molded rubber cover and two peripheral sealing
lips made of rubber (elastomer).
en
Ob OP T
T AU
H
132BB001
132BB002
132BB003
Filter element:==============================Foam filter insert:==========================Felt prefilter
• Impregnate with STIHL HD • Fit it inside the HD filter. • Fit it over the HD filter.
filter oil before installing for The word "TOP" must face
first time. outward.
• Check that filter is properly
seated.
A detailed instruction sheet is included with each HD filter kit. It is essential to observe the fitting and
maintenance instructions.
)Technical Information 20.95 - Page 2
Service note
Gasket 1124 129 0900 must be removed from the
filter base before installing the new filter element
in older machines.
([FHSWLRQ
When installing the old design HD filter
1124 120 1620 on a new machine the gasket
1124 129 0900 must be installed to prevent saw
dust and dirt from entering the engine.
132TI008
6XPPDU\
Part Name Original New Key Rem.
version version
HD air filter kit;
including items 1 to 5
1128 007 1008
1128 007 1008 1)
HD filter (complete);
--- 0000 120 1650
including items 1 to 3
HD filter (element)
1124 120 1620 -*- 1 2) 3)
Filter insert
1124 124 0804 0000 124 0800 2 3)
Prefilter
1124 141 0301 0000 141 0300 3 3)
Filter base;
1128 120 3403 1128 124 3408 4 4)
including item 5
Sealing ring
1124 129 0900 --- 5 4)
Modification to be introduced from machine number X 31 098 388
5HPDUNV
1) Only modified version of part is available from factory
2) New version of part is not available as separate item
3) Original version of part will be supplied from factory only until existing stocks are exhausted
4) Original version of part remains available as spare part
)Technical Information 20.95 - Page 3
2.=Chain brake
The original brake spring will be replaced by a
larger diameter brake spring 1128 160 5550 from
machine number X 31 850 438.
The new cover (1) -1128 021 1101- has been
adapted to suit the new brake spring and can be
used in all versions of the 044. The original cover
1128 021 1100 has been deleted.
1
Service note
132TI009
The new brake spring must not be installed
together with the original cover.
To ensure easy installation, the new brake spring
will be supplied together with the modified cover
up to 1996.
6XPPDU\
Part Name Original
foNew Key Rem.
version version
Brake spring with cover; --- 1128 160 5550
including items 1 and 2
Brake spring 1128 160 5500 -*- 1 1)
Cover 1128 021 1100 1128 021 1101 2 2)
All other parts as before
Modification to be introduced from machine number X 31 850 438
5HPDUNV
1) New version of part not available as separate item until 1996
2) Original version of part no longer available from factory
3.=Filter cover
On saw versions with HD filters from machine
number X 31 849 638=the original filter cover
1128 140 1000 will be replaced by the new cover
1128 140 1003. The sides of the new version have
been extended forward to close the gap between
the carburetor box and the filter cover.
This helps reduce noise emissions in this area.
132TI010
Left: Original cover
Right: New version
)Technical Information 20.95 - Page 4
6XPPDU\
Part Name Original New Key Rem.
version version
Filter cover 1128 140 1000 1128 140 1003 1
Modification to be introduced from machine number X 31 849 638
5HPDUNV
1) Original version of part no longer available from factory
Last Technical Information on model 044: worldwide - 16.94, USA, CAN, JAP - 07.95
Waiblingen, April 11, 1995 Andreas Stihl - D1/MTK-st
1995 Andreas Stihl Technical Documentation Page 2 of 4
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Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.