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Technical Information · issue 19 of 1995

066 M: OSHA

Model 066 Magnum Chain Saws =for USA only= - Series 1122

IssueTI 19/1995
Engine family 1122
From serial 3 198 050, 31 980 509

Part changes (2)

WasBecomesWhat the bulletin says
1122 140 0603 1122 140 0609 The original muffler 1122 140 0603 (Magnum version) will be replaced by muffler 1122 140 0609.
1122 140 1000 1122 140 1001 The filter cover 1122 140 1000 (A) will be replaced by version 1122 140 1001 (B).

Full text

Page 1 of 2

TI 19/1995 page 1
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Technical Information

                                                                                              19.95

Model 066 Magnum Chain Saws =for USA only=  -  Series 1122

Modifications in response to new OSHA 

regulations 

All Magnums from machine number X 31 980 50

will come equipped with a modified muffler,
carburetor and filter cover to meet the new noise                         3
                                                                      2
limits specified in the OSHA regulations.

                                                                  1
                                                                                      5
These modifications have resulted in a change in          4                   4
engine power to 5.4 kW (7.2 BHP).
0XIIOHU

The original muffler 1122 140 0603 (Magnum

version) will be replaced by muffler 1122 140 0609.
This muffler is installed in all "non-Magnum" saws.

&DUEXUHWRU

The WJ 51 (6) carburetor 1122 120 0614 will be
replaced by the WJ 48 (7) carburetor
                                                                                                           137TI003 Int

1122 120 0616. This new version is installed in all
"non-Magnum" saws and features a different high                 6                         7
speed screw and a fixed jet.

Filter cover

The filter cover 1122 140 1000 (A) will be replaced
by version 1122 140 1001 (B). The new version has
been modified so that it locates against the
carburetor box.
                                                                                                      137TI005

                                                              A                   B

                                                      A = Original version
                                                      B = New version

Page 2 of 2

TI 19/1995 page 2
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Technical Information 19.95  -  Page 2

6XPPDU\

Part Name                              Original                New                Key      Rem.     MOQ
                                       version                 version                                H
Muffler =Magnum=;======================NNOO=NQM=MSMP===========JJJ=========================NF
including items 1 and 4:
Exhaust casing;                        1122 140 0800           ---                1
including items 2 and 3:
Screen                                 1122 141 9005           ---                2
Self-tapping screw B4.2 x 9.5          9099 021 0810           ---                3
Muffler;===============================JJJ=====================NNOO=NQM=MSMV

including items 4 and 5:

Screen                                 1122 141 9001           1122 141 9001      4
Exhaust casing
                                       ---                     1122 145 0807      5
Carburetor WJ 51

                                       1122 120 0614           ---                6        1)
Carburetor WJ 48;======================JJJ=====================NNOO=NOM=MSNS======T
each of above includes
items 8 to 10:

High speed screw                       1122 122 6704           1122 122 6705      8
Fixed jet (0.64 mm)                    1122 121 5604           ---                9
Fixed jet (0.62 mm)
All other parts as before
                                       ---                           fo
                                                               1122 121 5603     10

Filter cover
                                       1122 140 1000           1122 140 1001     11        2)

Modification to be introduced from machine number X 31 980 509

5HPDUNV

1) Original version of part remains available as spare
2) Original version of part no longer available from factory

Last Technical Information on model 066: 10.95

Waiblingen, March 1, 1995                                                      Andreas Stihl - D1/MTK-al
© 1995 Andreas Stihl                                                           Technical Documentation

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