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Author Topic: Recommended Coolant Change Interval in Projectors Marin Zorica Jedi Master Film Handler Posts: 671 From: Biograd na Moru, Croatia Registered: May 2003 posted 02-25-2016 06:06 AM                     Agree with Steve, or if you want to do it "by book", grab some cap of similar can and make whole on it to fit bike pump.....  |  IP: Logged Dave Macaulay Film God Posts: 2321 From: Toronto, Canada Registered: Apr 2001 posted 02-25-2016 07:19 AM                     For the price I don't think it's prudent to ignore the coolant change schedule. Maybe Barco has a good reason to want it changed? I have seen Christie 2000S coolant develop strange clots of white goop - their change period is much longer. Draining the light engine coolant can not be done by gravity. I let gravity do most of the work: the pump side gets close to empty but the engine plumbing side retains quite a bit to blow out. Any compatible cap, or a rubber stopper, would seal the reservoir for a hand pump. You could do it using hose and connectors. Coolant cost is around $0.01 per hour if you follow the "Smart Maintenance" schedule and change at 8000H. For low-use sites doing annual changes regardless of actual hours the $/H will be higher, but if $50-100 a year is a problem... maybe you should get a new hobby.  |  IP: Logged Marin Zorica Jedi Master Film Handler Posts: 671 From: Biograd na Moru, Croatia Registered: May 2003 posted 02-25-2016 04:24 PM                     Dave is right, this is professional bussines, so there should be no doubts on investments like $100 a year or so....like buying toilet papier.... But, discuss was why is important if there is coolant in system? I doubt color has any point on them, while is flowing cooling is working, and happy thing is that light engine is full of temp sensors in case any DMD block, integrator rod etc temperature goes up, alarm will switch off lamp. Basicly i agree to change coolant on pump change period on 5 years.  |  IP: Logged Stephan Shelley Jedi Master Film Handler Posts: 854 From: castro valley, CA, usa Registered: Nov 2014 posted 02-25-2016 05:13 PM                     The original specs for Christie CP2000S was for automotive coolant. They now recommend that be flushed out and the blue Jeff cool be installed like on the series 2s. Also the pink jeff cool used in some ZXs should also be replaced because of coagulation problems.  |  IP: Logged

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