BENDIX TCH-001-049 User Manual

Technical Bulletin
Bulletin No: TCH-001-049 Effective Date: 8/1/02 Cancels: TCH-001-043 Page: 1 of 1
Subject:
CYLINDER HEAD GASKETS FOR THE TU-FLO™ 550/750
AIR COMPRESSORS
A design change to the cylinder head gasket for the Tu-Flo 550/750 compressors has resulted in a new gasket being released.
The new gasket can be installed either side up. (The previous gasket required that the beaded side of the
gasket must face the compressor crankcase when assembled.) The new gasket does not have a beaded side and
the plastic coating on either side is not removed for installation.
Care should be taken not to damage the gasket material as creasing, bending etc. could affect the gasket
seal.
As before, when installing, the cap screws are torqued to an initial 200 inch-pounds and then to 440 to 500
inch-pounds using a cross pattern across the head until all screws are within the torque specification.
New gasket has no bead.
Previous gasket had bead on one side
Cylinder Head
Cylinder Head Gasket
© 2002 Bendix Commercial Vehicle Systems LLC. Printed in U.S.A. All rights reserved.
Crankcase
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