Technical Information · issue 12 of 2009
Fuel Pump; Filter Housing; Engine; Summary
IssueTI 12/2009
Part changes (6)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 1130 350 6200 | 0000 350 6202 | Fuel Pump The previous fuel pump (1) 1130 350 6200 with straight connectors (2, 3) will be replaced by the new fuel pump (4) 0000 350 6202 with barbed connectors (5, 6). |
| 4282 140 2802 | 4282 140 2850 | Fuel, oil The filter housing (1) 4282 140 2802 has been and grease does not evaporate and may allow the replaced by the new version (2) 4282 140 2850. |
| 4282 007 1016 | 4282 007 1020 | The filter housing kit 4282 007 1016 has been replaced by the new version 4282 007 1020. |
| 4282 140 2803 | 4282 140 2851 | 3 Mark on exhaust valve The filter housing (1) 4282 140 2803 has been The previous exhaust valve will be marked with the replaced by the new version (2) 4282 140 2851. |
| 4282 007 1015 | 4282 007 1021 | The filter housing kit 4282 007 1015 has been replaced by the new version 4282 007 1021. |
| 4282 025 1901 | 4282 025 1903 | The exhaust valve 4282 025 1901 has been replaced by the new version 4282 025 1903. |
Full text
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STIH)
Technical Information 12.2009
STIHL BR 500, 550, 600 Blower – Series 4282
Contents
1. Fuel Pump
2. Filter Housing
3. Engine, Exhaust Valve and Seat
4. Summary
1. Fuel Pump
The previous fuel pump (1) 1130 350 6200 with
straight connectors (2, 3) will be replaced by the
new fuel pump (4) 0000 350 6202 with barbed
connectors (5, 6). The geometry of the snap hooks
(arrows) on the new fuel pump (4) will also differ
from the previous version (1) (see chapter 2).
1 4
The straight connectors (2, 3) of the previous fuel
pump (1) are inline with one another, while the
2 3 5 6 barbed connectors (5, 6) of the new fuel pump (4)
are offset.
452TI111 KN
Left: Previous fuel pump
Right: New fuel pump
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)m~ge 2 Technical Information 12.2009
1.1 Parts Availability 2. Filter Housing
The previous fuel pump 1130 350 6200 remains
available as a replacement for older machines.
1.2 Service Note 1 2
To ensure there are no leaks in the fuel system:
. To avoid damaging barbed connectors, install
and remove fuel hoses in line with the connector
by hand where possible – do not use sharp-
edged pliers, screwdrivers, etc. and do not cut
452TI112 KN
open fuel hoses with a knife or similar tool.
. Do not re-use fuel hoses after removal. Always
replace with new hoses – fuel hoses may be
over-stretched during removal. Left: Seat for fuel pump – previous filter
housing
. Fit new fuel hoses dry or with the aid of OH 723
press fluid – 0781 957 9000. Right: Seat for fuel pump – new filter
housing
. Coat the ends of the hose and the connectors
with OH 723 press fluid when installing new The difference between the new filter housing (2)
hoses onto the barbed connectors. and the previous version (1) is the modified contour
(arrows) of the seat for the fuel pump. It has been
changed to match the geometry of the new fuel
Note on OH 723 press fluid pump 0000 350 6202.
OH 723 press fluid produces a lubricating film which
2.1 Parts Availability
simplifies assembly. The lubricant evaporates after
a short period –allowing for a tight fit. BR 500
Never use fuel, oil or grease as a lubricant. Fuel, oil The filter housing (1) 4282 140 2802 has been
and grease does not evaporate and may allow the replaced by the new version (2) 4282 140 2850.
hose to slip from the connector. The previous filter housing 4282 140 2802 is no
longer available as a replacement part.
In order to ensure parts availability, the new filter
housing 4282 140 2850 also includes the new fuel
pump 0000 350 6202 and can therefore be used for
older machines.
The filter housing kit 4282 007 1016 has been
replaced by the new version 4282 007 1020.
The previous filter housing kit 4282 007 1016 is no
longer available as a replacement part. The new
376TI037 KN
1 filter housing kit 4282 007 1020 includes the new
2
filter housing 4282 140 2850 and can therefore be
used for older machines.
Install the suction hose onto the shorter
connector (1) and the return hose onto the longer
connector (2). Install new fuel hoses onto the
connectors as far as stop.
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Technical Information 12.2009 Page 3
BR 550, BR 600 3.3 Mark on exhaust valve
The filter housing (1) 4282 140 2803 has been The previous exhaust valve will be marked with the
replaced by the new version (2) 4282 140 2851. letter (D) or (G). The new exhaust valve will be
marked with the letter (S).
The previous filter housing 4282 140 2803 is no
longer available as a replacement part.
In order to ensure parts availability, the new filter
housing 4282 140 2851 also includes the new fuel
pump 0000 350 6202 and can therefore be used for
older machines.
The filter housing kit 4282 007 1015 has been
replaced by the new version 4282 007 1021.
The previous filter housing kit 4282 007 1015 is no
longer available as a replacement part. The new
452TI114 KN
filter housing kit 4282 007 1021 includes the new
filter housing 4282 140 2851 and can therefore be
used for older machines.
Part No. Mark ())
4282 025 1901 D, G
3. Engine
4282 025 1903 S
3.1 Exhaust valve
3.4 Mark on cylinder
The valve seat and exhaust valve have been
changed.
The exhaust valve 4282 025 1901 has been
replaced by the new version 4282 025 1903. There
has been no change to the intake valve and valve
seat.
3.2 Parts Availability
The new exhaust valve 4282 025 1903 cannot be
installed in a cylinder with the previous valve seat. S
452TI113 KN
For this reason the previous exhaust valve
4282 025 1901 remains available as a replacement
for engines with the previous valve seat.
The new version of the cylinder is marked with the
The replacement cylinder with piston letter (S) on the lower muffler boss. The letter (S)
4282 020 1200 will consist of the cylinder with new can be found on the side or underside of the boss.
valve seat and the new exhaust valve
4282 025 1903.
The previous and new cylinders and exhaust valves
are marked as follows:
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)m~ge 4 Technical Information 12.2009
4. Summary
Item Part Name Previous New Rem.
1 Filter housing kit for BR 500 4282 007 1016 --- 1)
2 Filter housing kit for BR 500; --- 4282 007 1020 3)
including item 6
3 Filter housing kit for BR 550, BR 600 4282 007 1015 --- 1)
4 Filter housing kit for BR 550, BR 600; --- 4282 007 1021 3)
including item 8
5 Filter housing for BR 500 4282 140 2802 --- 1)
6 Filter housing for BR 500; --- 4282 140 2850 3)
including item 9
7 Filter housing for BR 550, BR 600 4282 140 2803 --- 1)
8 Filter housing for BR 550, BR 600; --- 4282 140 2851 3)
including item 9
9 Fuel pump 1130 350 6200 0000 350 6202 2)
10 Exhaust valve 4282 025 1901 4282 025 1903 2) 4)
Remarks
1) Previous version of part no longer available from factory
2) Previous version of part remains available for older models
3) New version of part can also be used for older machines
4) Modification to be introduced from serial number 279578499
© ANDREAS STIHL AG & Co. KG, 2009 Technical Documentation
D1/MTK-ni
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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.