Junction Box Panel Service; Indicator Light And Pushbutton Switch Removal; Indicator Light And Pushbutton Switch Replacement; Light Bulb Removal - Graco Uni-Drum Instructions Manual

Junction Box Panel Service

Junction Box Panel Service
NOTE: Refer to Junction Box Panel on page 91 while
servicing the Junction Box Panel (H).
Indicator Light and Pushbutton
Switch Removal
All electrical wiring must be done by a qualified
electrician and comply with all local codes and
regulations.
Installing and servicing this equipment requires
access to parts which could cause an electric shock
or other serious injury. Have only qualified electricians
access the control assembly.
1. Shut off power to the Junction Box Panel (H).
2. Remove the cover from the Junction Box Panel (H).
3. Disconnect the lead wires from the terminals on the
switch. For wiring information, refer to the Electrical
Diagram on page 91. If necessary, label the wires
to facilitate reconnection after replacing the
component.
4. Loosen two screws which clamp the fixture to the
cover. Rotate and remove the outer ring on the
defective component counterclockwise to remove
the light lens or switch. Separate the parts and
remove them from the cover.
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Indicator Light and Pushbutton
Switch Replacement
1. Reverse steps 2 through 4 in the previous
paragraph.
2. For wiring information, refer to the Electrical
Diagram on page 91.
3. Reapply power to the Junction Box Panel (H).
4. Verify that the replaced component operates
correctly.
5. Return the system to previous operation settings.

Light Bulb Removal

All electrical wiring must be done by a qualified
electrician and comply with all local codes and
regulations.
Installing and servicing this equipment requires
access to parts which could cause an electric shock
or other serious injury. Have only qualified electricians
access the control assembly.
1. Shut off power to the Junction Box Panel (H).
2. Unscrew and remove the indicator light lens.
3. Gently press and rotate the bulb counterclockwise,
1/4 of a turn, unlocking the bulb from its socket.
Remove the bulb from the socket.

Light Bulb Replacement

Replace the light bulb as follows:
1. Insert the light bulb in the socket.
2. Gently press and rotate the bulb clockwise, 1/4 of a
turn to lock the bulb in its socket.
3. Replace the lens.
4. Reapply power to the Junction Box Panel (H).
5. Verify that the light bulb operates correctly.
6. Return the system to previous operation settings.
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