Technical Information · issue 14 of 2001

New Sales Designation for STIHL 019 T; Fan Housing

Model 019 T / MS 191 T Chainsaws – Series 1132

IssueTI 14/2001

Engine family 1132

Part changes (1)

Was	Becomes	What the bulletin says
1132 120 0603	1132 120 0604	The previous carburetor 1132 120 0603 will be replaced by carburetor 1132 120 0604 from serial number 2 48 938 259 .

Full text

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Technical Information

14.2001
Model 019 T / MS 191 T Chainsaws – Series 1132

Contents
1. New Sales Designation for STIHL 019 T
2. Fan Housing, Nameplate

3. Carburetor

4. Spare Parts
5. Repair Times

1. New Sales Designation for
STIHL 019 T

Model 019 T will be renamed STIHL MS 191 T to
bring it into line with the new naming structure (see
TI 25.2000).
Renaming the model coincides with an increase in
engine displacement, power and torque (see
following table).

019 T MS 191 T
Engine Power 1.3 kW 1.5 kW
Displacement 35.2 cm³ 46.5 cm³

Torque 1.9 Nm 2.3 Nm

Furthermore, a modified carburetor and an ignition
module with speed governor will be installed (see
also chapter 4).

2. Fan Housing, Nameplate

163TI001 KN

As announced in TI 43.1999, the nameplate is now
clipped to the fan housing instead of being printed
on the carburetor box cover. The part number of the
nameplate with the new sales designation is
1132 967 1504.

TI_14_2001_01_01_01.fm english / USA
)m~ge 2 Technical Information 14.2001

3. Carburetor 3.2 Function

The previous carburetor 1132 120 0603 will be
replaced by carburetor 1132 120 0604 from serial
number 2 48 938 259 .
The new version of the carburetor has a limiter cap
on the high speed screw which is designed to limit
the range of adjustment. 270°

3.1 Construction

163TI004 KN

1 The cap and pin limit the range of adjustment of the
4 high speed screw to a maximum of 270 degrees.

2
3.3 Repairs, Servicing
3

163TI002 KN

1 Low speed screw
2 High speed screw
3 Limiter cap for high speed screw

4 Stop pin

163TI005 KN

The limiter cap has to be removed from the high

speed screw in the service shop to replace the high
speed screw or clean the carburetor.
. Use suitable pliers to pull off the cap.

Limiter caps that have been removed once must
not be used again. Always install a new cap.
163TI003 KN

3.3.1 Adjustment after repairs / servicing
. Check the air filter and clean or replace as

The limiter cap is pushed over the head of the high necessary.
speed screw and locked in position by the knurling . Check spark arresting screen and clean or

on the screw. The stop pin (see arrow) in the replace as necessary.
carburetor body serves to limit adjustment.

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Technical Information 14.2001 Page 3

3.3.2 Standard setting of H screw 3.3.4 Adjusting idle speed

H L L

163TI006 KN

163TI008 KN
LA

. Starting with the screw against its seat: Starting with the screws against their seats:
Open high speed screw (H) one full turn.

. Open low speed screw (L) one full turn
counterclockwise.
3.3.3 Installing the limiter cap
. Use idle speed screw (LA) to set engine speed

Always use a new cap. Caps that have been
to 3,000 RPM.
removed once must not be re-used because they
might be damaged. This adjustment must be checked with a
tachometer.

3.3.5 Checking running behavior
. Open the throttle several times to check that
engine accelerates smoothly.

H . Engine must run smoothly at idle speed.

3.4 Setting Instructions for Users
163TI007 KN

. Position cap for high speed screw (H) so

that it is in line with “rich” stop (arrow).
270°
. Push cap home as far as stop against

carburetor body.
163TI004 KN

The user may adjust the carburetor’s high speed

screw within a range of 270 degrees.
This enables the mixture to be made leaner, if
necessary, when operating the saw at higher
altitudes.
The procedure is exactly as described in the
owner’s manual (see chapter "Adjusting the
Carburetor").

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)m~ge 4 Technical Information 14.2001

4. Spare Parts
A separate illustrated parts list is available for the
MS 191 T. The parts list for these chainsaws is
included in the next issue (01.2001) on microfiche
and CD-ROM.

Summary

Item Part Name Part No. Remarks

1 Cylinder with piston, Ø 46 mm; 1132 020 1201

including items 2 thru 5:
2 Piston Ø 46 mm 1132 030 2001
including items 3 thru 5:

3 Piston ring, 1.2 mm 1125 034 3003
4 Piston pin 1132 034 1501

5 Snap ring 10 9463 650 1000
6 Crankshaft 1132 030 0402
7
8
Ball bearing 6002
Crankcase
9503 003 0311
1132 021 0300
9 Engine pan 1132 021 2505
10 Ignition module 1132 400 1301
11 Screw IS D5x24 9075 478 4159

12 Washer 5.3 9291 021 0120
13 Wiring harness 1132 440 3001
14 Flywheel 1132 400 1200

15 Stop buffer 1132 791 5900

16 Fan housing 1132 084 1004
17 Grommet 1132 123 7500
18 Carburetor C1Q-S59 1132 120 0604

19 Nameplate 1132 967 1504
Modification to be introduced from serial number 2 48 938 259

5. Repair Times

Repair times for the MS 191 T are the same as
those for the 019 T. Refer to the STIHL Repair
Timetables Manual.

Last Technical Information on STIHL 019 T: 33.2000

TI_14_2001_30_01_01.fm

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