Thank you for having the manual I needed for an older model Aiwa stero I had found on Ebay --- I wanted the Aiwa because I had tapes and cd's but I did not have a manual as to how to operate the system... I found what I needed and it has enabled me to set the system up for my enjoyment.
I wished detailed information of the JBL S310 and here I found it! Very happy with the service from this site!
Text excerpt from page 8 (click to view)
HEAT EXCHANGER
Before cleaning or carrying out maintenance, switch off the dryer. Clean the heat exchanger at least every month, proceeding as follows: A. Open the door and press the heat exchanger flap button on the bottom of the door entrance. B. The heat exchanger flap opens. C. Fold the heat exchanger handle upwards to the horizontal position and remove the heat exchanger. D. Clean the heat exchanger under running water by turning it around to reach all sides. E. Wipe away dust and lint from the seals and the heat exchanger. F. Remove the lint in the heat exchanger housing. Keep the drainage hole (left side in front in the housing) free from lint. G. Replace the heat exchanger in its housing (TOP or HAUT mark upwards) and press the handle. H. Close the flap. The heat exchanger aluminium plates may become discoloured over time.