Technical Information · issue 36 of 2002
Carburetor; Gaskets for Muffler and Catalytic Conv
Model HL 45 Hedge Cutter – Series 4232
IssueTI 36/2002
Part changes (2)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 4140 120 0603 | 4140 120 0606 | Carburetor 4140 120 0603 has been replaced by the new carburetor 4140 120 0606 which has a shorter high speed screw (H). |
| 4140 149 0601 | 4140 149 0603 | Gasket 4140 149 0601 has been replaced by the new version (2) 4140 149 0603. |
Full text
Page 1 of 3
Technical Information
36.2002
Model HL 45 Hedge Cutter – Series 4232
Model FC 55 Power Edger – Series 4140
Model FS 45 Brushcutter – Series 4140
Model FS 55 Brushcutter – Series 4140
Model KM 55 CombiEngine – Series 4140
Contents
1. Carburetor
2. Gaskets for Muffler and Catalytic Converter
3. Clutch Drum (not HL 45)
4. Starter Cup
5. Summary
1. Carburetor 1.1
fo Construction
Carburetor 4140 120 0603 has been replaced by
the new carburetor 4140 120 0606 which has a
shorter high speed screw (H). The flange and
gasket have been optimized.
5
1
2
233TI021 KN
4
. Low speed screw (1)
. High speed screw (2)
233TI020 KN
. Cap (3) for high speed screw
Left: Previous carburetor . Idle speed screw (4)
Right: New carburetor . Stop (5)
TI_36_2002_01_01_02.fm englisch / english
)m~ge 2 Technical Information 36.2002
1.5 Service Note
If the flange 4140_120_2200 has to be replaced on
existing carburetors 4140 120 0603, it is necessary
to install the flange 4228 120 2200, metering
diaphragm 4229 121 4700 and gasket
4229 129 0901 from the carburetor parts kit
4140 007 1060.
2. Gaskets for Muffler and Catalytic
233TI022 KN
Converter
The cap is press-fitted on the high speed screw. The
stop is located between the high speed and low
speed screws.
3
1.2 Function
1
233TI025 KN
New gaskets with a higher temperature resistance
270° are installed on the muffler and catalytic converter.
Gasket 4140 149 0600 has been replaced by the
233TI023 KN
new gasket (1) 4140 149 0602.
Gasket 4140 149 0601 has been replaced by the
new version (2) 4140 149 0603.
The stop limits the range of adjustment of the H
screw to 270 degrees (3/4 turn). Insulating mat (3) 4140 146 9000 is installed
between the muffler and baffle plate. It reduces the
For notes on maintenance and repair see heat radiated be the muffler.
TI 27.2001.
1.3 Flange and Gasket
3. Clutch Drum (not HL 45)
The shape of the new flange, gasket and metering Clutch drum 4140 160 2901 has been replaced by
diaphragm has been modified. the new version 4140 160 2903 to further optimize
operation of the clutch.
The mechanical strength of the flange has been
increased. The gasket has a symmetrical shape to Clutch drum 4140 160 2901 will continue to be
exclude the risk of incorrect installation. installed in all versions of the HL 45.
1.4 Parts Availability
The carburetor parts kit 4140 007 1060 is available
for the new carburetor. It includes the flange,
metering diaphragm and two gaskets.
TI_36_2002_01_01_02.fm Page 2 of 3
Technical Information 36.2002 Page 3
4. Starter Cup Service note
Washer 4117 162 8900 was installed between the
Starter cup 4140 195 0601 has been replaced on starter cup and oil seal on some versions equipped
the production line by a new version with a separate with the previous starter cup 4140 190 0500. This
nut instead of the integrated nut. washer is not required if the new starter cup
Starter cup 4140 195 0601 will still be supplied as a 4140 195 0601 is installed in the course of a repair.
replacement.
5. Summary
Item Part Name Previous New Remarks
1 Carburetor 4140 120 0603 4140 120 0606 1)
2 Carburetor parts kit, --- 4140 007 1060
including items 3 to 7
3 Flange 4140 120 2200 4228 120 2200 3)
4 Gasket 1129 129 0900 4229 129 0901 2)
5 Metering diaphragm 4129 121 4700 4229 121 4700 2)
6 Pump diaphragm 1129 121 4800 1129 121 4800 2)
7 Gasket 1123 129 0905 1123 129 0905 2)
8 Gasket
4140 149 0600 4140 149 0602 1)
9 Gasket 4140 149 0601 4140 149 0603 1)
10 Insulating mat --- 4140 146 9000
11 Clutch drum 4140 160 2901 4140 160 2903 2) 4)
Modification to be introduced: in progress
Remarks
1) Previous version of part no longer available from factory
2) Previous version of part remains available as spare
3) Previous version of part remains available for other models
4) not HL 45
Last Technical Information on model HL 45, FC 55, FS 45, FS 55: 27.2001
© 2002 Andreas Stihl AG & Co. Technical Documentation
Waiblingen D1/MTK-ja 7651
TI_36_2002_01_01_02.fm Page 3 of 3
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.