Daktronics 4203 Series, Руководство по обслуживанию

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24
Control Equipment Overview, Service, and Replacement
Replacing the Z-Filter
Required Tools: Phillips screwdriver
1. Unplug the 3-pin Mate-N-Lok power jack from the outside of the enclosure.
2. Disconnect the power cables from both sides of the Z-filter
3. Remove the screws that secure the Z-filter bracket to the back of the ISP enclosure.
4. Remove the two screws that secure the Z-filter to the Z-filter bracket.
5. Reverse Steps 1 - 4 to install the new Z-filter.
Replacing the Heater
Required Tools: Phillips screwdriver,
5
/
16
" nut driver
1. Disconnect the power wire to the heater.
2. Using the nut driver, loosen and remove the
mounting plate nuts. Refer to
Figure 21.
3. Remove the heater assembly from the ISP
enclosure.
4. Using a Phillips screwdriver, remove the four
heater mounting bolts that secure the heater
to the mounting plate.
5. Reverse Steps 1 - 4 to install the new heater.
Replacing the Fan
Required Tools: Phillips screwdriver
1. Disconnect the power wire to the fan.
2. Using a Phillips screwdriver, remove the four
fan mounting bolts that secure the fan to the ISP
enclosure. Refer to
Figure 22.
3. Reverse Steps 1 - 2 to install the new fan.
Mounting Plate Nuts
Heater
Heater Mounting Bolts
Figure 21: ISP Enclosure Heater Assembly
Fan Mounting Bolts
Figure 22: ISP Enclosure Fan Assembly