Technical Information · issue 49 of 2000
Carburetor with Compensator Connection
Model 017, 018 Chainsaws – Series 1130
IssueTI 49/2000
Engine family 1130
Part changes (1)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 1130 120 0601 | 1130 120 0603 | The previous carburetor 1130 120 0601 will be replaced by carburetor 1130 120 0603. |
Full text
Page 1 of 4
Technical Information
49.2000
Model 017, 018 Chainsaws – Series 1130
Contents
1. Carburetor with Compensator Connection
2. Catalytic Converter (018 only)
2.1 General Description
2.2 Maintenance and Repairs
2.3 Fuel
1. Carburetor with Compensator
Connection
Model 017, 018 chainsaws from serial number
2 49 004 727 will come with a compensator
connection. The previous carburetor 1130 120 0601
will be replaced by carburetor 1130 120 0603.
143TI017 KN
The filter housing has been modified to take the
compensator connection (see illustration).
143TI016 KN
Are filter cleaning intervals are extended by the new
system. This allows longer periods of uninterrupted
A molded stub with O-ring on the carburetor’s end operation and helps reduce maintenance costs.
cover connects the carburetor to the air filter
housing.
Service note
Filter housing 1130 140 2800 with seal
1130 141 4300 should be used for repairs to older
machines (without compensator).
TI_49_2000_30_02.fm english / USA
)m~ge 2 Technical Information 49.2000
Summary
Item Part Name Previous New Remarks
1 Carburetor C1Q-S43 B; 1130 120 0601 --- 1)
Carburetor C1Q-S57 A; --- 1130 120 0603
including items 2 and 3:
2 End cover 1129 121 0800 1130 121 0800 1)
3 O-ring --- 9646 945 0490
4 Filter housing; 1130 140 2800 1130 140 2803 1)
4 Filter housing KAT; 1130 140 2800 1130 140 2804 1)
each of above includes
items 5 to 8:
5 Filter mat 1130 124 0800 1130 124 0800 2)
6 Insert 1130 141 1100 1130 141 1101 2)
7 Seal 1130 141 4300 --- 2)3)
8 Sleeve 1130 124 7100 1130 124 7100 2)
Modification to be introduced from serial number 2 49 004 727
Remarks
1) Previous version of part remains available from factory
2) Part already included in inventory
3) Part must be used for older machines in conjunction with item 4 (previous version)
2. Catalytic Converter (018 only)
2.1 General Description
The purpose of the catalytic converter integrated in
the muffler is to minimize the amount of emissions in
the exhaust gas by way of a chemical reaction
(afterburning). This afterburning process is initiated
by the constituents of the carrier coating
(precious metals). The main pollutants are
unburned hydrocarbons resulting from the 20 - 30%
scavenging losses in the two-cycle process, and
carbon monoxide. The afterburning process
reduces hydrocarbon emissions by about 60 - 70%.
373TI001 KN
2.1.1 Description of Operation
A ceramic carrier catalyst is installed in the STIHL This catalytic converter consists of the following
018 C. components:
. Honeycomb ceramic carrier with catalytic
coating
. Stainless steel casing
TI_49_2000_30_02.fm Page 2 of 4
Technical Information 49.2000 Page 3
2.2 Maintenance and Repairs
The catalytic converter is maintenance-free
providing all other servicing and maintenance
instructions for the machine are observed. Never
attempt to repair the catalytic converter.
. Clean spark arresting screen as necessary.
. Replace the spark arresting screen if it is
damaged or heavily carbonized.
. Replace damaged heat shields.
2.3 Fuel
The two-cycle engine requires a mixture of gasoline
and engine oil.
The quality of the fuel and oil and the mix ratio have a
decisive influence on the function and service life of the
engine.
143TI018 KN
Gasoline
Use only mid-grade branded gasoline with a
A chemical reaction takes place when exhaust gas minimum octane rating of 89. If the octane rating of
flows through the catalyst, and this helps reduce the the mid-grade gasoline is lower than 89, use
emissions in the exhaust gas leaving the muffler. premium fuel – machines with a catalytic
Approximately 70% of the hydrocarbons (HC) are converter may only be run on unleaded gasoline.
transformed into water (H2O) and carbon dioxide
Engine oil
(CO2). The catalyst is a component that initiates
chemical reactions without being consumed in the Owing to the specific operating conditions in power
process. tools with a catalytic converter, only STIHL 50:1
two-cycle engine oil or an equivalent quality
brand-name two-cycle engine oil is recommended
for use in the fuel mix.
TI_49_2000_30_02.fm
)m~ge 4 Technical Information 49.2000
Summary
Item Part Name Previous New Remarks
1 Muffler; 1130 140 0600 --- 1)
2 Muffler KAT; --- 1130 140 0604
including items 3 through 10:
3 Screen --- 1130 141 9001
4 Exhaust gasket --- 1130 149 0600
5 Baffle plate --- 1130 146 7400
6 Self-tapping screw 4.2x6.5 --- 9099 021 0805
7 Nut --- 0000 148 2000
8 Heat shield; --- 1130 140 0500
including item 9:
9 Insulating material --- 1130 146 9000
10 Self-tapping screw 4.2x6.5 --- 9099 021 0805
Modification to be introduced from serial number 2 49 004 727
Remarks
1) Previous version of part remains available as spare for older machines
Last Technical Information on models 017, 018: 35.2000
© 2000 Andreas Stihl AG & Co. Technical Documentation
Waiblingen D1/MTS 7117
TI_49_2000_30_02.fm Page 3 of 4
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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.