Bendix Tch 001 022 Users Manual Technical Bulletin

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Technical Bulletin

Bulletin No.: PRO-01-22 Effective Date: 11/17/81 Page: 1 of 3

Subject: New Cylinder Head Design Tu-Flo 700 Compressor

Approximately December 1, 1981 changes will be made in the discharge valve area of

all new Tu-Flo 700 Cylinder Heads, which will result in improved compressor

performance. Remanufactured Tu-Flo 700 Compressors will be changed on a running

basis in the near future.

It is extremely important to identify the cylinder head as new or old design to insure that

correct replacement parts are furnished.

I. NEW STYLE CYLINDER HEAD

The new style cylinder head is identified by:

A. A counterbore (approx. 3/16” deep) of the cylinder head where the cap

nut is installed.

B. A figure “7” with a circle around the figure, stamped or cast into the head

surface.