70-30-00 APPLICATION OF ADHESIVES.
Adhesives and sealants will be used only in specific applications, outlined in Chapter
1
,
"Sealants and Lubricants".
Gasket Maker P/N 646942
-
Surfaces must be clean and free of oil and grit. Apply an even
coat of Gasket Maker between
.010 and .020 of an inch thick to the surface specified in
Chapter
1
"Sealants and Lubricants".
Gasket Maker is an easily workable tacky gel which can be extruded onto one side of a flange
surface from a tube and evenly spread, or small parts can be covered adequately by pressing
them into a saturated polyester urethane sponge or by
rdl coating them with a short nap
roller. Once Gasket Maker has been applied, evenly torque assembly into place. Excess
material can be cleaned by wiping (chlorinated solvent is helpful).
Material on hands can be
cleaned with waterless mechanic's hand soap followed by soap and water.
70-40-00 INSTALLATION OF GASKETS
--
All gaskets must be visually inspected prior to installation.
Following visual inspection, if the gasket shows any indication of gouges, nicks, cuts or bend
and fatigue marks, immediately replace with new, pre-inspected gasket.
Gasket surfaces must be clean and free of oil and
grit. Apply a thin coat of TCM Copper
Coat
#642188 to both sides of gasket unless otherwise specified. (Refer to Item No. 10 in
Chapter 1 "Sealants and Lubricants" for application of Copper Coat). Once Copper Coat has
been applied, position gasket with the Copper Coat to its respective side, according to Chapter
1 "Sealants and Lubricants". Evenly torque assembly into place without stressing gasket.
70-50-00 CYLINDER LEAKAGE CHECK (Compression)
GENERAL
,
The differential pressure test is an accepted method of determining cylinder condition by
measuring air pressure loss past the pistons, rings and valves. The operation of the equipment
is based on the'principle that, for any given airflow through a
fixed orifice, a constant
pressure drop across that orifice will result.
We have received reports of incorrect cylinder leakage check results caused by improper use
of test equipment and/or by the use of faulty test equipment.
To help you accurately accomplisk a leakage check, we submit the following information on
leakage and use of the Master Orifice tool (Ref. Figure
70-50-01) to calibrate the leakage
checking equipment used on Teledyne Continental engines. Refer to Service Bulletin M-84-15,
or current revision as applicable.
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