Specifications

Maxiva ULX Series
November 11, 2013
5‐5
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
5.2.4 OperationWithInoperativePAModules
ThePAmodulerejectloads,locatedinsidethemodulecombiner,aresizedwithenoughmargintoallowoperation
underanyimbalanceconditionthatmaybeencountered.Aslongasonemoduleisinstalledandoperationalthe
transmitterwillcontinuetoproduceRFpowerbutatreducedlevels(dependingonhowmany
modulesare
removed).
5.2.5 PAModule/RackAlignment
Ifdifficultyinstallingmodulesisencounteredandmisalignmentoftherackisencounteredanalignmentoftherack
maybeneeded.Thefollowingstepsoutlinethealignmentprocedure:
STEP 1 Disconnectpowerfromtransmitter.TurnoffbreakersAC1andAC2onthecabinet
beingaligned.
STEP 2 Drainsystemofcoolant.
STEP 3 RemoveallPAandIPAmodulesfromtherackhalfbeingaligned.
STEP 4 Loosenmanifoldclamps(bolts)forthesectionoftherackbeingaligned.Theclamps
areshownin
Figure5‐3.
Note
If both halves of the rack need alignment start with alignment of the bottom half first. Align the top half
second.
Figure 5-3 PA Module/Rack Alignment
STEP 5 Loosenhosesbetweenupperandlowermanifolds(Ifmorethan8PA's).
ManifoldClamps
Upper
ManifoldClamps
Lower
InterconnectHoses
Manifold
DrainHoses
Cabinet