← Service bulletins

Technical Information · issue 10 of 1995

HD air filter; cylinder/cylinder gasket

Model 064, 066 Chain Saws - Series 1122

IssueTI 10/1995
Engine family 1122
From serial 31 067 595

Full text

Page 1 of 2

TI 10/1995 page 1
Text of page 1 — search, copy, screen readers
Technical Information

                                                                                                              10.95

Model 064, 066 Chain Saws  -  Series 1122

&RQWHQWV

1. HD air filter (modified version)

2. 066 cylinder/cylinder gasket (service notes)

1.=HD air filter 

Modified HD filter will be installed in model 064/                The original gasket 1124 129 0900 mounted in
066 saws from machine number X 31 067 595 K=======================the filter base has been deleted.

The seal between the filter base and filter cover
                                                                  Furthermore, the new HD filter is designed to
has been optimized on the new HD filters.                         provide good filtration where there is a lot of fine
The new version of the HD filter differs from the                 dust. The felt prefilter 0000 141 0300 is designed
original version (metal) in that it has an integrally             to sit firmly on the filter element.

molded rubber cover and two peripheral sealing
lips made of rubber (elastomer).

                                                                                                             en
                                                                                                           Ob OP T

                                                                                                             T AU
                                                                                                              H
                                  132BB001

                                                                                                                         132BB003
                                                                             132BB002

Filter element:===============================Foam filter insert:========================Felt prefilter
• Impregnate with STIHL HD                    • Fit it in the HD filter.                 • Fit it over the HD filter.
    filter oil before installing for                                                     • The word "TOP" must point
    first time.                                                                              outward.
                                                                                         • Check that filter is properly
                                                                                             seated.

Service notes
The original gasket 1124 129 0900 must be removed from the filter base before installing the new filter
element.
Follow fitting and maintenance instructions when using HD filters. A detailed information sheet is included
with each HD filter kit.

Page 2 of 2

TI 10/1995 page 2
Text of page 2 — search, copy, screen readers
Technical Information 10.95  -  Page 2

6XPPDU\

Part Name                              Original                New                     Key         Rem.   MOQ
                                       version                 version                                      H
HD filter (complete);                   ---                    0000 120 1650                                   1
including items 1 to 3:
HD filter (element)                     1124 120 1620          -*-                     1           1)
Filter insert                           1124 124 0804          0000 124 0800           2           2)      10
Felt prefilter                          1124 141 0301          0000 141 0300           3           2)       1
HD air filter kit;                      1122 007 1031          1122 007 1031           4           3)
including items 5 to 12

Gasket                                  1122 129 1100          1122 129 1100           5

Filter base;                            1122 120 3410          1122 120 3411           6           2)          1
including items 7:
Stud M5 x 12 x 10                       9121 319 0960          9121 319 0960           7

Sealing ring                            1124 129 0900          ---                     8           4)
HD filter (element)                     1124 120 1620          -*-                     9           1)
Filter insert                           1124 124 0804          0000 124 0800          10           2)      10
Felt prefilter

                                        1124 141 0301          0000 141 0300          11           2)       1
Filter cover                            1122 140 1000          1122 140 1000          12
All other parts as before

Modification to be introduced from machine number X 31 067 595
5HPDUNV
1) New version of part is not available as separate item
2) Original version of part will be supplied by factory only until existing stocks are exhausted

3) Only modified version of part is available from factory
4) Original version of part remains available as spare

2.=066 cylinder/cylinder gasket 066 =0.5mm

In order to avoid possible damage to the piston
(as a result of piston snagging on edge of gasket),
always use a screwdriver to separate the cylinder
gasket from the cylinder base before taking the

cylinder off the piston.

Service notes
Refer to and observe the operations described
under="Exposing the Cylinders"=in=the=service
manual.

                                                                                                               137TI002

• Loosen the four IS M6 x 25 spline screws and

    remove them from the cylinder
•   Raise the cylinder a little
•   Use a screwdriver to carefully separate the
    gasket from the cylinder base flange
•   Pull the cylinder off the piston

Last Technical Information on models 064, 066: 51.94

Waiblingen, March 06, 1995                                                         Andreas Stihl - D1/MTK-al
 1995 Andreas Stihl                                                               Technical Documentation

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.

Report a transcription error →