Ercoupe Service Memorandum No. 66
Applicability: Ercoupe 415 Series
System: Electrical
Issue Date: February 14, 1955
Subject: Maintenance of Old Style Carburetor Heat Box Assembly
Summary: Malfunctioning of the automatic carburetor heat used on early Ercoupes causing the carburetor heat arm to be held in closed position when the throttle is opened, as well as preventing full throttle opening, resulting in a dangerous condition.
Open PDF: ERC_SM66.pdf