DuroStar DS4000S, User Manual

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Exhaust Emission Warranty Parts List.
1.
Fuel Metering System
i. Carburetor and internal parts (and/or
pressure regulator or fuel injection
system).
ii. Air/fuel ratio feedback and control
system.
iii.
Cold start enrichment system.
2. Air Induction System
i. Controlled hot air intake system.
ii. Intake manifold.
3. Ignition System
i. Spark Plugs.
ii. Magneto or electronic ignition system.
iii. Spark advance/retard system.
4. Air Injection System
i. Air pump or pulse valve.
ii. Valves affecting distribution of flow.
iii. Distribution manifold.
5. Catalyst or Thermal Reactor System (i)
Catalytic converter.
i. Thermal reactor.
ii. Exhaust manifold.
6. Particulate Controls
7. Traps, filters, precipitators, and any other
device used to capture particulate
emissions.
8.
Electronic controls.
9. Vacuum, temperature, and time sensitive
valves and switches.
10. Hoses, belts, connectors, and assemblies.
11. Evaporative Emission Warranty Part List
i. Fuel Tank*
ii. Fuel Cap
iii. Fuel Line
iv. Fuel Line Fittings
v. Clamps**
vi. Pressure Relief Valves**
vii. Control Valves**
viii. Control Solenoids**
ix.
Electronic Controls**
x. Vacuum Control Diaphragms**
xi. Control Cables**
xii. Control Linkages**
xiii. Purge Valves
xiv. Vapor Hoses
xv.
Liquid/Vapor Separator
xvi. Carbon Canister
xvii. Canister Mounting Brackets
xviii. Carburetor Purge Port Connector
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*Note: The parts list for equipment less than or equal to 80 cc only includes the fuel tank.
**Note: As they relate to the evaporative emission control system.
DuroStar Power Equipment will furnish with each new engine written instructions for the
maintenance and use of the engine by the owner.