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Technical Information · issue 52 of 1999

Front hand guard; Tank vent; Crankcase; Grommet

Model 064, 066 Chainsaws – Series 1122

IssueTI 52/1999
Engine family 1122

Part changes (2)

WasBecomesWhat the bulletin says
1122 020 2103 1122 029 0507 Crankcase 1122 020 2103 will be replaced by Always use gasket 1122 029 0507 when installing crankcase 1122 020 2113 from serial number crankcase 1122 020 2113.
1122 123 7500 1122 123 7503 Grommet (064) The grommet used to guide the screwdriver (for carburetor adjustment) 1122 123 7500 will be replaced by grommet 1122 123 7503 from serial number 1 45 498 144.

Full text

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TI 52/1999 page 1
Technical Information

                                                                                                  52.1999
Model 064, 066 Chainsaws – Series 1122

Contents
1.   Front hand guard
2.   Tank vent
3.   Crankcase (066)
4.   Grommet (064)

1.       Front hand guard
The previous hand guards will be replaced by new             Service notes
versions from serial number 1 44 673 876. The                Before installing the rubber bushing, coat it with
new hand guards will be mounted in a rubber                  “installing fluid OH 723” lubricant 0781 957 9000.
bushing at the fan side and secured with an
IS M5 x 40 x 25 spline screw. The previous screw             Insert the brass bushing (4) in the rubber bushing
assemblies have been deleted.                                (5) first. Then fit both bushings (flange on brass
                                                             bushing facing inward) in the hand guard (1, 7, 9)
                                                             bearing boss and secure the hand guard with the
                                                             IS M5 x 40 x 25 screw (3).
                                                             The new mounting hardware (bushings and screw)
                                                             should also be used for the previous types of hand
              1, 7, 9                                        guards.
     3
          5
              4
                                               137TI051 KN

TI_52_1999_30_01.fm                                                                                english / USA
)m~ge 2                                                                        Technical Information 52.1999

Summary

Item     Part Name                                   Previous               New                    Remarks
 1       Hand guard 064;                             1122 792 9100          1122 790 9103          1)
         including items 2 to 5:
 2       Hand guard                                  ---                    1122 792 9100
 3       Screw IS M5 x 40 x 25                       ---                    9022 341 1090
 4       Bushing                                     ---                    1124 792 5500
 5       Bushing                                     ---                    1124 792 5505
 6       Hand guard 064 R                            1122 792 9105          ---                    2)
 7       Hand guard 066, 066 M;                      1122 792 9101          1122 790 9101          2)
         including items 3 to 5 and 8:
 8       Hand guard                                  ---                    1122 792 9103
 9       Hand guard 066 R;                           1122 792 9106          1122 790 9102          2)
         including items 3 to 5 and 10:
10       Hand guard                                  ---                    1122 792 9104
11       Screw assembly (064)                        0000 790 6101          ---                    2)
12       Screw assembly (066)                        0000 790 6103          ---                    3)
Modification to be introduced from serial number 1 44 673 876
Remarks
1) Previous version of part remains available as spare
2) Previous version of part will be supplied from factory only as long as existing stocks last
3) Previous version of part remains available for other models

2.     Tank vent
In connection with changes to models 044 and 046,
the tank vent 1122 350 5850 (see also TI 36.97) has
been replaced by version 1122 350 5851.
A detailed instruction sheet is supplied with the tank
vent.

Summary

Item     Part Name                                   Previous               New                    Remarks
 1       Tank vent;                                  1122 350 5850          1122 350 5851          1)
         including items 2 to 4:
 2       Tank vent                                   1122 350 5802          1122 350 5802
 3       Thrust ring                                 1122 353 0200          1122 353 0200
 4       Thrust ring                                 ---                    1128 353 0200          2)
Modification to be introduced: in progress
Remarks
1) Previous version of part no longer available from factory
2) Part is required only for models 044 and 046

                                                                                             TI_52_1999_30_01.fm

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TI 52/1999 page 2
Technical Information 52.1999                                                                         Page 3

3.     Crankcase (066)                                      Service note:

Crankcase 1122 020 2103 will be replaced by                 Always use gasket 1122 029 0507 when installing
crankcase 1122 020 2113 from serial number                  crankcase 1122 020 2113.
1 45 500 383. The oil tank capacity in the new
crankcase has been increased to 360cc (12.2fl.oz)
from 315cc (10.6fl.oz). This increase ensures that a
certain amount of chain oil is always left in the tank.

Summary
Item     Part Name                                    Previous              New                  Remarks
 1       Crankcase                                    1122 020 2103         1122 020 2113        1)
 2       Gasket                                       1122 029 0500         1122 029 0507        2)
 3       Plug                                         1122 021 1900         ---                  3)
 4       Set of gaskets 066;                          ---                   1122 007 1053
         including item 2:
Modification to be introduced from serial number 1 45 500 383
Remarks
1) Previous version of part no longer available from factory
2) Previous version of part remains available for other models
3) Previous version of part remains available as spare

4.     Grommet (064)
The grommet used to guide the screwdriver (for
carburetor adjustment) 1122 123 7500 will be
replaced by grommet 1122 123 7503 from serial
number 1 45 498 144.
Summary

Item     Part Name                                    Previous              New                  Remarks
 1       Grommet                                      1122 123 7500         1122 123 7503        1)
Modification to be introduced from serial number 1 45 498 144
Remarks
1) Previous version of part no longer available from factory

Last Technical Information on models 064, 066: 01.98

© 1999 Andreas Stihl AG & Co.                               Technical Documentation
  Waiblingen                                                D1/MTK-al                                  6773

TI_52_1999_30_01.fm

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TI 52/1999 page 3

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