maintenance
REPLACING LAMP
DANGER
Never attempt to replace lamp in a wet place. The possibility exists of electric shock.
WARNING
Always allow sufficient time for the lamp to cool down before replacing.The possibility exists of severe burns if hot lamp is touched.
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CAUTION
Always shutdown power source and remove balloon assembly from mast when replacing a broken lamp. Utmost care should be taken in handling broken lamp. The possibility exists of serious injury from handling a broken lamp.
1.Unzip the zipper at the bottom of the balloon and roll the balloon up to expose the lamp. See Figure 26.
BALLOON
ENVELOPE
ZIPPER
Figure 26. Exposing Balloon
2. Release the lamp guard locking tabs. See Figure 27.
LOCK
TAB 
LAMP
GUARD
LOCK
TAB
Figure 27. Removing Lamp Guard
3. Remove the lamp guard (Figure 28).
LAMP
HOLDER
LAMP 
GUARD
Figure 28. Lamp Guard Removal
4.Press tabs on the lamp holder and lift up holder to release lamp. Remove the lamp from the lamp socket by turning lamp counterclockwise. See Figure 29.
LAMP
SOCKET
Figure 29. Removing Lamp
5.Install new lamp into socket and turn lamp in a clockwise direction until tight. See Figure 30. Press tabs on the lamp holder and slowly bring down the holder to secure lamp in place.
LAMP
SOCKET
Figure 30. Installing New Lamp
page 24 — GBC lighting system • operation and parts manual — rev. #0 (06/24/13)