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6. Carburetor
6-3 Carburetor Conforms to Exhaust Emissions Regulations
The carburetor flow rates of all Hasqvarna Zenoah engine blowers are individually pre-adjusted to pass
exhaust emissions regulations.
A limiter cap is installed in the idling limiter to prevent an operator carelessly changing the idle setting resulting
in non-conformance with exhaust emission regulations.
Execute a correct adjustment according to "6-7 Carburetor Adjustment".
A limiter cap closes the L-needle adjustment hole of
the throttle valve.
Carburetor adjustments with caps removed must be conducted by Emission Certified
Servicing Dealers ONLY.
The dealer must supply the unit to the customer in original configuration, using the
manufacturer’s carburetor adjustment procedure, which includes having the limiter caps in
place before the unit is put into service.
Knowingly removing or rendering inoperative any device, element, or design installed on or in
a non-road engine which is in compliance with E. P. A. or C. A. R. B. (USA), STAGE
Ⅲ
Ⅲ
Ⅲ
Ⅲ
(EU)
regulations is classified as TAMPERING.
TAMPERING is a violation of FEDERAL LOW, resulting in significant civil penalties (fines) of up
to $25,000 for each violation.
ATTENTION!!! IMPORTANT!!!
L-needle
Limiter Cap
Throttle Valve
