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[4] Evaporative Emission Controls
See the evaporative emission standards specified for your equipment in 40 CFR 1054.112 and CARB section
2754. [Check Item]
The standards and other requirements in 40 CFR part 1060 apply to the fuel lines, fuel tanks, fuel caps, canisters
and others used or intended to your equipments and our engines.
• Nonmetal fuel lines must meet the permeation requirements specified in 40 CFR 1060.102.
• Fuel tanks must meet the permeation requirements specified in 40 CFR 1060.103 unless they are installed in
equipment certified to meet diurnal emission standards under 40 CFR 1060.105(e).
• Your equipment must have a tethered fuel cap. Fuel caps must also include a visual, audible, or other physical
indication that they have been properly sealed (EPA 40 CFR 1060.101(f)(1)(i), CARB section 2756).
• Your equipment must have proper carbon canisters that are installed on the fuel tanks subject to running loss or
diurnal emission standards (EPA 40 CFR 1060.104(b)(1), CARB section 2754).
KUBOTA recommendation
* To route running evaporative emissions into the engine intake system, Kubota prepared the purge port on the
air-cleaner flange. You may use this purge port to combust fuel vapors vented from the fuel tank. [Check Item]
Objective parts Regulation requirements Remarks
Equipment manufactures
Fuel Hose, Fuel Tank,
Tank Cap, Canister
Use certified parts
40 CFR 1054.112
CARB section 2754
KUBOTA (engine) * purge port Add the purge port
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