Technical Information · issue 11 of 1998
Tank Housing; Choke Lever/Throttle Rod; Ignition M
Model 034, 036 Chainsaws - Series 1125
Part changes (3)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 1125 185 2001 | 1125 185 2002 | Choke lever 1125 185 2001 will be deleted and replaced by version 1125 185 2002 in connection with modifications carried out on versions for certain sales territories. |
| 1125 182 1500 | 1125 182 1501 | Throttle rod 1125 182 1500 will be replaced by version 1125 182 1501. |
| 0000 400 1300 | 0000 400 1305 | The original universal ignition module 0000 400 1300 will be replaced by ignition module 0000 400 1305. |
Full text
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Technical Information
11.98
Model 034, 036 Chainsaws - Series 1125
Contents
1. Tank housing (mushroom valve, intake hose)
2. Choke lever/throttle rod
3. Ignition module
1. Tank housing
A modified tank housing will be installed in all
versions from machine number X 39 108 850.
The original two-valve valve, which allows air to
enter and leave the fuel tank, will be deleted and
replaced by mushroom valve 1110 353 1600. The
new valve only allows air to enter the fuel tank.
145TI016 KN
Left: Original valve
Right: New valve
Function
The consumption of fuel during saw operation
creates low pressure in the tank. This causes the
mushroom valve to open and allow air to flow into
the tank so the tank and atmospheric pressures
are equalized.
Important:
Pressure can build up inside the fuel tank as a
145TI017 KN
result of radiated heat or sunlight. Therefore,
always open the filler cap slowly so that any
excess pressure may be released gradually and
fuel spills are avoided. Page 2 of 3
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11.98 - 2
The S-shaped fuel intake hose 1127 358 7705 will
be installed as standard in place of the original
straight intake hose 1119 358 7700.
The new hose requires a larger opening in the tank
housing.
Replacement tank housings will also come with the
larger opening. To ensure trouble-free repairs, the
replacement tank housings will be supplied
together with the new intake hose for about the
next 2 years (see Summary).
Note
This modification will be introduced at a later date
on heated handle and "QS" versions. However, the
new version of the tank housing may be used for
replacement purposes.
Summary
Item Part Name Original
version
fo New
version
Rem.
1 Tank housing; 1125 350 0813 1125 350 0813 1)
1 Tank housing (handle heating); 1125 350 0812 1125 350 0812 1)
each of above includes items 2 to 5:
2 Hose --- 1127 358 7705 2)
3 Filter 1121 358 1800 1121 358 1800
4 Cap 1121 358 2500 1121 358 2500
5 Valve 4114 353 1600 1110 353 1600 3)4)
6 Hose 1119 358 7700 --- 4)
Modification to be introduced on standard 036 from machine number X 39 108 850
Remarks
1) Only modified version of part is available from the factory
2) Part included with item 1 up to the end of 1999
3) Original version of part remains available for other models
4) Original version of part remains available for older machines Page 3 of 3
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11.98 - 3
2. Choke lever/throttle rod
Choke lever 1125 185 2001 will be deleted and
replaced by version 1125 185 2002 in connection
with modifications carried out on versions for
certain sales territories. Throttle rod 1125 182 1500
will be replaced by version 1125 182 1501.
The new versions of the choke lever and throttle
rod can also be used in older machines.
Summary
Item Part Name Original New Rem.
version version
1 Choke lever 1125 185 2001 1125 185 2002 1)
2 Throttle rod 1125 182 1500 1125 182 1501 1)
Modification to be introduced: in progress
Remarks
1) Original version of part no longer available from factory
3. Ignition module
The original universal ignition module
0000 400 1300 will be replaced by ignition
module 0000 400 1305. The new version of
the ignition module can also be used for older
machines.
Summary
Item Part Name Original New Rem.
version version
1 Ignition module 0000 400 1300 0000 400 1305 1)
Modification to be introduced: in progress
Remarks
1) Original version of part no longer available from factory
Last Technical Information on models 034, 036: 43.97
1998 Andreas Stihl Andreas Stihl - D1/MTK-al
Technical Documentation 6255 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.