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UNION SWITCH & SIGNAL
5.2.2.1
m
Grade Crossing EquiEJilent
a. Broken or cracked light unit roundel and/or reflector.
b. Broken light unit case, door, or other parts.
Damaged lamp receptacle.
c. Faulty or damaged door gasket which would result in water leaking into
the case.
d. Burned out or broken light unit or gate arm lamps.
e. Broken or cracked lens on gate arm lights.
f. Broken or cracked gate arms.
g. Damaged mast and/or signs, or other equipnent.
h. Exterior damage to gate mechanism signs of vanadalism.
i. Interior of gate mechanism for the following:
1) All wiring connections are tight; wiring is free from cuts, nicks,
and fraying.
2) Damage to gears, motor, cams and contacts.
3) Secure mounting of components.
4) Contacts for proper opening (refer to SM6043).
5) Slide contacts on resistors are clean and are bearing on the resistor
windings with firm pressure.
should be tight.
5~2.2.2
Loclcscrew securing the slide contact
Control Equipment
a. Check control case exterior for any signs of physical dam.age or of
vandalism (such as bullet holes). Check for water leaks inside the case.
b. Check batteries for fluid and specific gravity.
assure proper voltage and battery charging.
Ranove all corrosion to
c. Check for loose or damaged electrical connections.
d. Check for loose or damaged components.
e. Check for wiring for burned, frayed, or damaged insulation.
f. Check track circuit cabling for secure connections to track and damage
such as kinks, cuts, etc.
g. Check for insulated joints (if applicable) for damage or deterioration.
5958, p. 5-3