Prg Bad Boy Field Service Manual Bedienungsanleitung PDF herunterladen (Seite 85)

BAD BOY

SPOT LUMINAIRE FIELD SERVICE MANUAL 77

Replacing the Pan/Tilt COT Sensor PCB

Parts:

24.9679.0750 1 EA PCB ASSY, PAN/TILT COT SENSOR

Tools:

#1 and #2 Philips screwdrivers

WARNING: Remove power from luminaire before performing any maintenance procedures.

CAUTION: Always use anti-static precautions when working with PCBs.

To replace the Pan/Tilt COT (Center of Travel) Sensor PCB:

Step 1. Remove power from luminaire and allow components to cool for at least 5 minutes.

Step 2. At Pan Yoke Leg, remove Yoke Leg Cover.

Step 3. Remove Cable Routing Plate by removing four 10-32 x 3/8" PFZ screws (Figure 3-38). Plate will remain

attached by cabling, so just allow to it hang out of the way during this procedure.

Note: The Counterweight was added as a retrofit. If the Counterweight is not present, it should be added. Refer to

technical bulletin BAD-001 for instructions.

Figure 3-38: Removing Pan/Tilt COT Sensor PCB

Step 4. At Pan/Tilt Controller PCB, disconnect Pan/Tilt COT Sensor cable.

Step 5. At outside of yoke leg, remove two 4-40 x 3/8" PFZ screws (which secure standoff to yoke leg). This will free

Pan/Tilt COT Sensor PCB Assembly.

Step 6. Remove two standoffs from Pan/Tilt COT Sensor PCB Assembly by removing two 4-40 x

1/4" PPZ screws.

Counterweight / Cable Routing Plate

Handle

Pan/Tilt COT

Sensor PCB Assy

Pan/Tilt

Controller PCB

10-32 x 5/8"

Standoff (2)

4-40 x 1/4"

PPZ Screw (2)

4-40 x 3/8" PFZ Screw (2)

PFZ Screw (4)

Yoke Leg

(Pan Side)

CAUTION:

Use anti-static precautions

when working with PC boards.

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Prg Bad Boy Field Service Manual Bedienungsanleitung Seite 85