Window insert is missing

Use https://www.google.com and search.

Periodically check http://www.ebay.com which often has parts and used equipment.

May want to simply buy a used or refurbished model, example below:

https://www.vminnovations.com/Product_5004/AMCOR-KF-9000-BTU-Silver-Portable-Air-Conditioner-Refurbished-.html

Betty , Media of China makes Artic King A/C, as Andrew stated best to check the reviews from various sellers on line. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Review of my Arctic King 5 000 BTU Air Conditioner
Arctic King 5 000 BTU Window Air Conditioner 115V WWK 05CMN1 BI7
Amazon com Arctic King MWK 05CMN1 BI7 5 000 BTU Window Mounted Air Condit...

did u find the adaper for the Maytag M6PO9S2A? I found one but not sure if its the right one as I also have the same portable air conditioner

Try cleaning the filters

Hi,
That would be a 15,000 BTU air conditioner...
That is what the "15" stands for in the model number...

heatman101

Hi,
Here is a tip about trouble shooting your air conditioner...

Air Conditioner Trouble -Review the Possibilities
http://www.fixya.com/support/r3571569-air_conditioner_trouble_review_the_possi

heatman101

Reasonalbe rule of thumb is a difference of 10 degrees Centigrade.

Charlie

Ask here, they can get virtually every Sunbeam manual

Unfortunately I am unable to find the Manual in our system. Here is the information that you can use to contact them directly. They should be able to send you a new one.

Consumer Affairs Address:
7401 Security Way
Houston, TX 77040


To speak with a Heating and Air Conditioning Consumer Affairs Representative from within the United States, please call 1-877-254-4729