CCI Thermal Technologies Fastrax G Series, Руководство по установке и эксплуатации, Страница: 26 / 63

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26
E.7 MOVABLE POINT FROG - SWITCHES NO. 20 - 24
Many new style movable point frogs (MPF) have the
following design features to allow easy access for the
SwitchBlade
®
heaters. Please inspect the MPF for the
following:
a) Slots in the wing rail braces to allow the
SwitchBlade
®
heater to slide on to the top of the
base of each wing rail. (Refer to Figure E.7.1).
Figure E.7.1 - SwitchBlade
®
heater installed on frog wing rails
b) 4 channels welded on to the bottom of the base plate
just below the point area. (Refer to Figure E.7.2).
Figure E.7. 2 - SwitchBlade
®
heater installed on frog point plates
Note: If the features noted in a) and b) are not present
please contact Fastrax
®
for alternate instruction
methods. Please note that all frogs and heaters are not
compatible.
1.
Locate the heating equipment for MPF including two
wing rail SwitchBlade
®
heaters, approximately 12 ft
long, 4 plate SwitchBlade
®
heaters, approximately 3 ft
long and 2 crib heaters, 8 ft 8” long. Lay out equipment
near MPF.
2. Install crib heaters (refer to Section F - Crib Heater
Installation).
3. Beginning at the point end of the MPF, slide each wing
rail SwitchBlade
®
heater along the base of each wing
rail through the slots provided in the braces. Any non-
toxic lubricant may be used and it will evaporate once
the heaters are turned on. Allow the heater to follow
the contour of the rail as it is inserted toward the heel
of the MPF.
4. Slide each plate SwitchBlade
®
heater into the channel
provided under the base plate beneath the point area.
Two of these channels will generally be located in each
hollow steel tie or between concrete ties where the
switch rods are located.
5. Support lead wires inside orange conduits above the
crib heater platforms, if possible so they are protected
from the platform heat.
6.
Install the heater lead wires under the ballast to the
junction box as previously described in this manual.
Fastrax
®
SwitchBlade
®
Heaters
on Frog Point Plates
Fastrax
®
SwitchBlade
®
Heaters
on Frog Wing Rails
Figure E.7.3 - Refer to Section B - System Layout for an
exploded view of the layout.
Figure E.7.4 - To apply retrofit heaters to obsolete plate style
movable point frog, contact Fastrax
®
.
2 Clamps Per Heater
NOTE: To apply retrofit heaters to obsolete plate style
movable point frog, contact Fastrax ® .
Note:
Frog heaters have a ground wire and may shunt
track circuits in some cases. If signal problems are
present after installing heaters, disconnect the heater
ground wire.