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Technical Information · issue 23 of 2011

Fuel tank, filler cap; Fuel hoses – modified hose routing; Sleeve and hose clamp

IssueTI 23/2011

Part changes (10)

WasBecomesWhat the bulletin says
4282 350 0403 4282 350 0405 1 Fuel tank The previous fuel tank 4282 350 0403 with toolless filler cap is being replaced by the new version fuel tank 4282 350 0405 with threaded filler cap.
0000 350 0535 0000 350 0517 Spare parts The previous toolless filler cap 0000 350 0535 is being replaced by the threaded filler cap 0000 350 0517.
4282 350 1401 4282 350 1402 The connector 4282 350 1401 is replaced by the new connector 4282 350 1402.
4282 700 2100 4282 700 2102 Fuel hoses – modified hose The previous shroud 4282 700 2100 is no longer routing available as a spare part and is being replaced by the new shroud 4282 700 2102.
4282 700 4100 4282 700 4102 BR 500, 550: The previous fan housing The new fuel hoses differ from the previous ones in 4282 700 4100 is no longer available as a spare the following ways: part and is being replaced by the new fan housing – modified length 4282 700 4102.
4282 182 7801 4282 182 7802 To increase wear resistance, the sleeve that holds Sleeve 4282 182 7801 is replaced by the new the throttle cable at the hose clamp between engine sleeve 4282 182 7802.
4282 708 8701 4282 708 8702 Hose clamp 4282 708 8701 is replaced by the new hose clamp 4282 708 8702.
4282 182 7801 4282 180 1103 Throttle cable 4282 180 1102 which contains the previous sleeve 4282 182 7801, is replaced by the new throttle cable 4282 180 1103.
4282 790 1302 4282 790 1306 Control handle 4282 790 1302 is being replaced by the new control handle 4282 790 1306.
4282 790 1303 4282 182 7801 Control handle 4282 790 1303 is being replaced by left: previous sleeve (with slit) 4282 182 7801 the new control handle 4282 790 1305.

Full text

Page 1 of 8

TI 23/2011 page 1
STIH)

Technical Information                                                             23.2011

  STIHL BR 500, 550, 600 – Series 4282 Blowers

  Contents
  1. Fuel tank, filler cap
  2. Fuel hoses – modified hose routing
  3. Sleeve and hose clamp

  1.      Fuel tank, filler cap

  1.1     Fuel tank
  The previous fuel tank 4282 350 0403 with toolless
  filler cap is being replaced by the new version fuel
  tank 4282 350 0405 with threaded filler cap.

                                                                                                         452TI140 KN

                                                         Left:    previous fuel tank 4282 350 0403 and
                                                                  toolless filler cap 0000 350 0535
                                                         Right:   new fuel tank 4282 350 0405 and
                                                                  threaded filler cap 0000 350 0517

  TI_23_2011_30_01_01.fm                                                                 englisch / English
)m~ge 2                                                                           Technical Information 23.2011

In comparison with the previous fuel tank, the new             In addition, a new connector 4282 350 1402 is
version differs in geometry and position of the                installed in the new fuel tank. The new connector
connector and tank vent.                                       differs from the previous connector 4282 350 1401
                                                               by the angled barbs.
                                                               The new connector is also installed with a new
                                                               grommet 4238 353 9200 in the fuel tank.

                                                                                                                452TI148 KN
                                                 452TI141 KN

                                                               Left:    previous connector 4282 350 1401
                                                               Right:   new connector 4282 350 1402 with
                                                                        grommet
Top:    previous fuel tank 4282 350 0403,
        toolless filler cap 0000 350 0535 and
        connector 4282 350 1401
Bottom: new fuel tank 4282 350 0405, threaded
        filler cap 0000 350 0517 and connector
        4282 350 1402

                                                                                            TI_23_2011_30_01_01.fm

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TI 23/2011 page 2
Technical Information 23.2011                                                                         Page 3

Spare parts
The previous toolless filler cap 0000 350 0535 is
being replaced by the threaded filler cap
0000 350 0517. The previous filler cap remains
available for older machines with the previous fuel
tank 4282 350 0403.
The previous fuel tank 4282 350 0403 is replaced
by the new fuel tank 4282 350 0405.
The previous fuel tank 4282 350 0403 remains
available for older machines.
The connector 4282 350 1401 is replaced by the
new connector 4282 350 1402.
The previous connector 4282 350 1401 remains
available for older machines with the previous fuel
tank 4282 350 0403.

Summary

Item    Part Name                                                Previous        New             Rem.
 1      Fuel tank; including Items 2 and 5                       4282 350 0403   ---             1)
 2      Toolless filler cap                                      0000 350 0535   ---             1)
 3      Fuel tank; including Items 4 and 6                       ---             4282 350 0405
 4      Threaded filler cap                                      ---             0000 350 0517
 5      Connector                                                4282 350 1401   ---             1)
 6      Connector                                                ---             4282 350 1402
 7      Grommet                                                  ---             4238 353 9200
Modification to be introduced : Serial # 2 87 332 320
Remarks
1) Previous version of part remains available for older models

1.2     Note
The previous fuel tank 4283 350 0403 may not be
replaced with the new fuel tank 4282 350 0405 in
older machines without additional conversion
measures.
Replacement of the previous fuel tank with the new
fuel tank is permissible only if the new shroud, fan
housing and fuel hose listed in Chapter 2 are also
replaced.

TI_23_2011_30_01_01.fm
)m~ge 4                                                                   Technical Information 23.2011

2.       Fuel hoses – modified hose                    The previous shroud 4282 700 2100 is no longer
         routing                                       available as a spare part and is being replaced by
                                                       the new shroud 4282 700 2102. The new shroud
With the introduction of the new fuel tank, new fuel   can also be used for older machines.
hoses are also being used.
                                                       BR 500, 550: The previous fan housing
The new fuel hoses differ from the previous ones in    4282 700 4100 is no longer available as a spare
the following ways:                                    part and is being replaced by the new fan housing
–    modified length                                   4282 700 4102. The new fan housing can also be
                                                       used for older machines.
–    different material
                                                       BR 600: The previous fan housing 4282 700 4101
Because of the modified fuel hose routing, portions    is no longer available as a spare part and is being
of the shroud and the fan housing have been            replaced by the new fan housing 4282 700 4103.
adapted in terms of geometry.                          The new fan housing can also be used for older
                                                       machines.
Spare parts
The previous fuel hose kit 4282 007 1014 is being
replaced by the following fuel hoses (available as
bulk stock).
–    Fuel return line 0000 937 5006
     2.2 x 5.4 mm x 1000 mm (39“), R5
     (Connection between fuel pump and connector)
–    Fuel suction hose 0000 937 5004
     3.1 x 5.7 mm x 1000 mm (39“), R5
     (Connection between connector and carburetor)
The previous kit 4282 007 1014 remains available
for older machines.

                                                                                     TI_23_2011_30_01_01.fm

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Technical Information 23.2011                                                                                       Page 5

2.1       Service note: modified fuel hose routing                    Installing a new fuel suction hose
The new fuel hoses must be shortened to the
following lengths before installation:
–     Fuel return line 0000 937 5006 2.2 x 5.4 mm,
      R5 to a length of 395 mm (15.5“)                                           3
–     Fuel suction hose 3.1 x 5.7 mm, R5 to a length
      of 370 mm (14.5“)                                                                     2

As described in Service Manual BR 500, 550, 600:

                                                                                                                          452TI145 KN
.     Remove starter
.     Remove machine cover
.     Remove filter cover                                             .   Install fuel hose (3) onto the barb on the top of
                                                                          the carburetor
.     Remove filter housing
                                                                      .   Connect carburetor to filter housing – be careful
.     Remove carburetor from filter housing – be                          with the gasket between carburetor and filter
      careful with the gasket between carburetor and                      housing
      filter housing
                                                                      .   Install fuel suction hose (2) 3.1 x 5.7 mm
.     Detach fuel pump from filter housing                                x 370 mm (14.5“), R5 onto the carburetor barb
.     Detach old fuel return line from the fuel pump                  .   Route fuel suction hose (2) along the guide ribs
      connector and fuel suction hose from the                            on the filter housing
      carburetor connector

                                                                      Mount fuel hoses on fuel tank
Installing a new fuel return line

                                                                                                          1         2


                                                                                                                           452TI146 KN
                                                        452TI144 KN

                                                                      .   Install fuel suction hose (2)
.     Install fuel return line (1)                                        3.1 x 5.7 mm x 370 mm (14.5“), R5 onto the
      2.2 x 5.4 mm x 395 mm (15.5“), R5 onto the fuel                     lower barb (larger Ø) on the connector
      pump barb
                                                                      .   Install fuel return line (1)
.     Guide fuel return line (1) through the hole in the                  2.2 x 5.4 mm x 395 mm (15.5“), R5 onto the
      filter housing – see arrow                                          upper barb (smaller Ø) on the connector
.     Engage fuel pump in the mount on the filter
      housing
.     Route fuel return line (1) along the guide ribs

TI_23_2011_30_01_01.fm
)m~ge 6                                                                   Technical Information 23.2011

Further assembly
During further assembly of the filter housing, make
certain that the fuel hoses do not become twisted

                                                     452TI147 KN

.       The fuel hoses must move freely between filter
        housing and fan housing and must be routed
        with a large radius to the connector

Summary

Item       Part Name                                               Previous      New               Rem.
    1      Fuel hose kit                                           4282 007 1014 - - -             1)
    2      Fuel return line 2.2 x 5.4 mm x 1000 mm (39“), R5       ---           0000 937 5006
           Fuel return line 2.2 x 5.4 mm x 395 mm (15.5“), R5                    -*-               2)
    3      Fuel suction hose 3.1 x 5.7 mm x 1000 mm (39“), R5      ---           0000 937 5004
           Fuel suction hose 3.1 x 5.7 mm x 370 mm (14.5“), R5                   -*-               2)
    4      Fan housing (BR 500, 550)                               4282 700 4100 4282 700 4102     3)
    5      Fan housing (BR 600)                                    4282 700 4101 4282 700 4103     3)
    6      Shroud                                                  4282 700 2100 4282 700 2102     3)
Modification to be introduced : Serial # 2 87 332 320
Remarks
1) Previous version of part remains available for older models
2) Cut to length from bulk stock
3) New version of part can also be used for older machines

                                                                                   TI_23_2011_30_01_01.fm

Page 4 of 8

TI 23/2011 page 4
Technical Information 23.2011                                                                                  Page 7

3.       Sleeve and hose clamp                                     Spare parts

To increase wear resistance, the sleeve that holds                 Sleeve 4282 182 7801 is replaced by the new
the throttle cable at the hose clamp between engine                sleeve 4282 182 7802.
and control handle is being modified.                              The previous sleeve 4282 182 7801 remains
                                                                   available for older machines.
The previous sleeve 4282 182 7801 is replaced by
the new sleeve 4282 182 7802.                                      Hose clamp 4282 708 8701 is replaced by the new
                                                                   hose clamp 4282 708 8702.
The new sleeve differs from the previous sleeve in                 The previous hose clamp 4282 708 8701 remains
that it has a larger outside diameter and stem walls.              available for older machines.
                                                                   Throttle cable 4282 180 1102 which contains the
                                                                   previous sleeve 4282 182 7801, is replaced by the
                                                                   new throttle cable 4282 180 1103.
                                                                   In order to install the throttle cable in older
                                                                   machines, the new throttle cable includes the
                                                                   previous sleeve 4282 182 7801 and the new sleeve
                                                                   4282 182 7802.
                                                                   Control handle 4282 790 1302 is being replaced by
                                                                   the new control handle 4282 790 1306.
                                                     452TI142 KN

                                                                   In order to install the new control handle in older
                                                                   machines, the new control handle includes the new
                                                                   throttle cable 4282 180 1103.
                                                                   Control handle 4282 790 1303 is being replaced by
left:    previous sleeve (with slit) 4282 182 7801
                                                                   the new control handle 4282 790 1305.
right:   new sleeve 4282 182 7802                                  In order to install the new control handle in older
                                                                   machines, the new control handle includes the new
                                                                   throttle cable 4282 180 1103.
Because of the larger outside diameter, the mount
on the hose clamp must also be adapted.
Thus with the introduction of the new sleeve, the
previous hose clamp 4282 708 8701 is replaced by
the new hose clamp 4282 708 8702.
                                                     452TI143 KN

left:    previous hose clamp 4282 708 8701
right:   new hose clamp 4282 708 8702

TI_23_2011_30_01_01.fm
)m~ge 8                                                                       Technical Information 23.2011

Summary

Item     Part Name                                               Previous        New             Rem.
 1       Sleeve                                                  4282 182 7801   ---             2)
 2       Sleeve                                                  ---             4282 182 7802
 3       Hose clip                                               4282 708 8701   4282 708 8702   2)
 4       Throttle cable;                                         4282 180 1102   ---             1)
         including Item 1
 5       Throttle cable;                                         ---             4282 180 1103   3)
         including Items 1 and 2
 6       Control handle                                          4282 790 1302   ---             1)
 7       Control handle;                                         ---             4282 790 1306   3)
         including Items 1, 2 and 5
 8       Control handle                                          4282 790 1303   ---             1)
 9       Control handle;                                         ---             4282 790 1305   3)
         including Items 1, 2 and 5
Modification to be introduced : Serial # 2 87 100 946
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

© ANDREAS STIHL AG & Co. KG, 2011                         Technical Documentation
                                                          D1/MTK-ni

                                                                                        TI_23_2011_30_01_01.fm

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