Figure 2.4. Airbrakes.
c. Release spring. If the release spring shows any dirt or rust spots, clean it and give it a
coating of approved rust preventive; if it is not cleaned, dirt or rust might get on the cylinder walls.
d. Strainer. The strainer can be removed from the inside of the nonpressure head by removing
the snapring holding it in place. By then removing the nonpressure head, the felt swab can be inspected
and replaced if necessary.
Brush the hollow rod packing felt to remove the surface dirt; then recondition it by soaking it
in solvent. Soak the strainer seal in oil and drain it.
e. Cylinder. Completely coat the hollow piston rod with a standard brake cylinder lubricant and
apply the release spring, felt
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