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Interpretation ID: nht74-1.6

DATE: 09/11/74

FROM: AUTHOR UNAVAILABLE; R. B. Dyson; NHTSA

TO: International Harvester

TITLE: FMVSS INTERPRETATION

TEXT:

SEP 11 1974

Mr. K. W. Berner Manager Component Design & Development International Harvester Truck Division Engineering 2911 Meyer Road Fort Wayne, Indiana 46803

Dear Mr. Berner:

This is in reply to your letter of August 13, 1974, to Dr. Gregory asking for confirmation of your interpretation of S5.3.1(b) of Motor Vehicle Safety Standard No. 105.

Paragraph S5.3.1(b) states that an indicator lamp shall be ?????? whenever there is "A drop in the level of brake fluid in a master cylinder reservoir to less than . . . one-fourth of the fluid reservoir capacity in any reservoir compartment ...." This will confirm that the lamp must activate whenever the fluid in any compartment is less than one-fourth the capacity of that compartment, rather than one-fourth the total capacity of the reservoir regardless of the number of compartments.

Yours truly,

Richard B. Dyson Acting Chief Counsel