AIR TUBING AND FITTINGS MAINTENANCE--Continued
PUSH-IN FITTINGS REMOVAL
Depress collar (10) and disconnect tubing (11).
PUSH-IN FITTINGS INSTALLATION
Air tubing is stocked in bulk lengths. Measure original
air tubing and cut new tubing to same length. Trim
ends of tubing to get a smooth, square cut.
Install tubing (11) into fitting (12) until tubing bottoms out.
Pull on tubing (11) to verify it is fully installed.
Semitrailer must be coupled to a prime mover or to an
air source at the Schrader valve to perform test.
Apply soapy water to air tubings and fittings and check for leaks. If a compression sleeve fitting leaks
during test, tighten nut. If a push-in fitting leaks during test, verify tubing is bottomed out. If tubing leaks,
Disconnect semitrailer grounding cables (WP 0007 00).
END OF TASK
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