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Technical Information · issue 26 of 2000

New MS 310 version; New sales designations for 029

Model 029, 039 Chain saws - Series 1127

IssueTI 26/2000
Engine family 1127

Full text

Page 1 of 5

TI 26/2000 page 1
Technical Information

                                                                                          26.2000
Model 029, 039 Chain saws - Series 1127

Contents
1.   New MS 310 version
2.   New model designations for 029 SUPER and 039
3.   Clutch (cover washer)
4.   Tank caps, engine housing

1.    New MS 310 version

The new MS 310 is available to broaden the number      Specifications
of choices in the “medium-duty range“. The sales
                                                       Displacement:               3.60 cu.in (59.0 cc)
designation of this version is in line with the new
name structure for STIHL chain saws (see TI            Bore:                       1.85 in (47 mm)
25.2000). In terms of engine power, this new version   Engine power:               4.0 bhp (3.0 kW)
is between the 029 SUPER (3.8 bhp/3.0 kW) and                                      at 9,500 r.p.m.
the 039 (4.4 bhp/3.2 kW). With the exception of the    Torque:                     2.4 lbf.ft. (3.2 Nm)
cylinder and piston, the MS 310 is exactly the same                                at 7,000 r.p.m.
as the 029 SUPER and 039.                              Max. permissible engine
The oil pump installed in the MS 310 is the same as    speed with bar and chain:   13,000 r.p.m.
that used in the 039 (high delivery rate, adjustable
flow quantity).

TI_26_2000_30_02.fm                                                                       english / USA
)m~ge 2                                                                              Technical Information 26.2000

Model MS 310 is equipped with newly developed
tank caps.

Benefits of the new tank caps
.   Can be opened and closed without tools
.   Folding cliplock helps make opening and closing
    fast and simple.
.   Low profile designed to help reduce snagging
    on limbs.
.   Snaps into closed position.
.   Identical caps for fuel and oil tanks.

                                                                                                                       209TI002 KN
To open
                                                                 To close
                                                   209TI003 KN

                                                                                                                        209TI005 KN
.   Raise the grip until it is upright
                                                                 .   Fit the cap - grip upright -marks must line up
                                                                 .   Turn the cap clockwise as far as stop (approx. a
                                                                     quarter turn)
                                                   209TI004 KN

                                                                                                                      209TI006 KN

.   Turn the cap counterclockwise(approx. a
    quarter turn)
.   Remove the filler cap                                        .   Fold the grip flush with the top of the cap.

                                                                                                    TI_26_2000_30_02.fm

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TI 26/2000 page 2
Technical Information 26.2000                                                                    Page 3

New replacement parts and special servicing tools

Item     Part Name                                          Part No.                        Remarks
 1       Cylinder with piston; including item 2:            1127 020 1214
 2       Piston, 47 mm dia. (1.85 in.); including item 3:   1127 030 2007
 3       Piston ring, 47 mm dia. (1.85 in.) 2 req.          1127 034 3002
 4       Name plate MS 310                                  1127 967 1504
 5       Engine housing; including item 6:                  1127 020 3003
 6       Tank cap (2x)                                      0000 350 0525
         Special servicing tool
         Ring compressor for assembling piston              1127 893 2602                   1)
1) Replaces previous version 1127 893 2601 and is suitable for all series 1127 models

2.     New sales designations for
       029 SUPER and 039
Models 029 SUPER and 039 will be renamed STIHL
MS 290 and STIHL MS 390 to bring them into line
with the new structure of model designations (see TI
25.2000). The new round name plates introduced
to coincide with this change are clipped to the side
of the fan housing instead of the top of the machine
(on handle housing). The previous company logo
attached at this point has been deleted.

Parts availability
The handle housing comes with name plates for
models 029, 029 SUPER and 039 (3 adhesive
labels on a backing sheet). The new fan housing is
supplied without a name plate. The round name
plate (MS 290 or MS 390) must be ordered
separately. A neutral plate (STIHL logo without
model designation) is available for cases where the
new fan housing is installed on machines that
already have a name plate on the handle housing.

Summary

Item     Part Name                                  Previous                New             Remarks
 1       Fan housing with rewind starter;           1127 080 2100           1127 080 2103   1)
         including item 2:
 2       Fan housing; including item 3:             1127 080 1800           1127 080 1802   1)
 3       Name plate                                 0000 967 2035           ---             2)
 4       Handle housing; including item 5:          1127 790 1000           1127 790 1001   1)
 5       Name plate (029, 029 SUPER, 039)           ---                     1127 967 1503
 6       Name plate 029                             1127 967 1505           ---             2)
 7       Name plate 029 SUPER / MS 290              1127 967 1507           1127 967 1501   2)
 8       Name plate 039 / MS 390                    1127 967 1510           1127 967 1502   2)

TI_26_2000_30_02.fm
)m~ge 4                                                                        Technical Information 26.2000

Item     Part Name                                    Previous              New                    Remarks
 9       Name plate (round, STIHL logo)               ---                   0000 967 1500
Modification to be introduced: in progress
Remarks
1) Previous version of part no longer available from factory
2) Previous version of part remains available for older machines

3.     Clutch (cover washer)
                                                                       5
A new cover washer 1127 162 1000 will be installed
in the near future between the oil pump and clutch.                                                         3
In the event of a clutch spring failure, the cover
washer helps reduce consequential damage to the                       T0
crankcase and oil pump. The clutch carrier and
clutch shoe retainers have been modified to
accommodate the cover washer.
                                                                                                            2
Service note
The cover washer may be installed only together
with the modified clutch carrier and retainers. The
previous version of the clutch (with carrier
1125 162 3201), must be installed without the
cover washer.
Installation: The word “TOP” on the cover washer

                                                                                                                209TI001 KN
must face the clutch.
                                                                               4

Summary

         Part Name                                    Previous              New                    Remarks
         Clutch; including items 1 thru 5:            1125 160 2001         1127 160 2050          1), 2)
 1       Clutch; including items 2 thru 4:            ---                   1127 160 2000
 2       Carrier                                      1125 162 3201         1127 162 3200          3)
 3       Clutch shoe                                  1125 162 0801         1125 162 0801
 4       Retainer                                     1125 162 3000         1127 162 3000          3)
 5       Cover washer                                 ---                   1127 162 1000
Modification to be introduced: in progress
Remarks
1) Replacement clutch (with cover washer) for older machines
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 older machines

                                                                                             TI_26_2000_30_02.fm

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TI 26/2000 page 3
Technical Information 26.2000                                                                         Page 5

4.    Tank caps, engine housing
The new tank caps described in chapter 1 of this TI
will also be introduced on models MS 290 (formerly
029 SUPER) and MS 390 (formerly 039). The
engine housing has been modified in the area of the
filler necks and been assigned a new part number.
Parts availability
In order to provide interchangeability, the tank caps
will come with the new replacement engine housing
1127 020 3003.

Summary

         Part Name                                  Previous               New                   Remarks
 1       Engine housing; including:                 1127 020 3000          1127 020 3003         1)
 2       Tank cap (fuel)                            1127 350 0500          ---                   2)
 3       Tank cap (chain oil)                       0000 350 0520          ---                   2)
 4       Tank cap (2x)                              ---                    0000 350 0525
 5       Instruction label                          0000 967 3694          ---                   2)
         All other parts unchanged
Modification to be introduced: in progress
Remarks
1) Previous version of part will be supplied from factory only as long as existing stocks last
2) Previous version of part remains available as spare

Last Technical Information on models 029, 039: 14.2000

© 2000 Andreas Stihl AG & Co.                              Technical Documentation
  Waiblingen                                               D1/MTK-sc                                   7070

TI_26_2000_30_02.fm

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