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Chapter 4—Maintenance
Model 330, 340SC, and 370SC Service Manual
4-9
10.
Remove the two (2) ground straps (not shown in Photo 4-2 or Photo 4-3)
from the top, right side of the Arc Lamp assembly housing. Leave these
straps attached to the Collimating Lens housing.
11.
Remove the two (2) hex bolts on the left and right side of the Arc Lamp
assembly that attach the Arc Lamp assembly to the mounting rails (lower
front of the Arc Lamp assembly). When removing the hex bolts, also
remove the ground straps and leave them attached to the Relay Lens
bracket.
Figure 4-4
Model 340SC and 370SC Arc Lamp Assembly
Figure 4-5
System Power Supply-Arc Lamp Connection.
12.
Carefully slide the Arc Lamp assembly out from the right side of the
projector.
13.
Perform the previous steps in the reverse order to replace the Arc Lamp
Assembly. When reattaching the cables, be careful to reconnect them to
Start
Capacitor
Squirrel Cage
Fan Cable
Fan
Connector
Interlock
Switch
Circuit
Breaker
J503
J504
J505
Lamp
Current
Adjust
Interlock
Switch