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Old 06-09-2011, 05:05 PM   #1
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Onan Quiet Diesel Generator 7.5HDKAJ-1045H Manual

I can't find my manual. Can someone tell me how many quarts of oil a
Onan Quiet Diesel Generator7.5HDKAJ-1045H takes?

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Old 06-09-2011, 08:41 PM   #2
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Oil Capacity (with filter) 3 quart (2.6 l)
Cooling System Capacity 4.2 quart (4 l)
Intake and Exhaust Valve Lash (Cold) 0.0065 inch (0.165 mm)

Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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Old 06-10-2011, 12:14 AM   #3
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CumminsOnan Error Page# - You can download a manual which is close here. To get the specific manual, you will have to order it from cummins. However, there is not much difference between the 7.5 & 8KW models, so give it a shot.
Your manual is older, so you will have to either copy someone else's manual, or get it from cummins, I would ask for an owner who has their's to make you a copy and send it to you. You can work out the details with them.
Monty & Janet - 2007 Alpine APEX 40 MDTS
S/N - 75715 - Retired - Master Certified RV Tech
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Old 06-10-2011, 10:42 AM   #4
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Originally Posted by tjshively View Post
I can't find my manual. Can someone tell me how many quarts of oil a
Onan Quiet Diesel Generator7.5HDKAJ-1045H takes?
I have the PDF version of the "Onan Mobile GenSet Operator's Manual - HDKAH, HDKAJ, HDKAK, HDKAT, HDKAU, HDKAV"

If you send me a private email, I will email the PDF to you.
Dale & Karin
2006 Alpine Coach Limited 36FDTS
Watercolor Artist: http://www.cindydaunis.com/
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