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screen printing => Equipment => Topic started by: Logoman on March 26, 2014, 07:25:21 AM

Title: National Dryer Problems
Post by: Logoman on March 26, 2014, 07:25:21 AM
I have an old National Gas dryer. We were having problems wi it getting up to temp. I talked to someone that suggested we change the heat sensor ( in the chamber where the flame is) but that did not help so them we changed the Temp controller (Maxitrol) no help either. The next thing to try is change the Modulator valve. Anyone have any other suggestions? We turn it on at 8am and it does not get up to temp until around 11am.
Title: Re: National Dryer Problems
Post by: Printficient on March 26, 2014, 07:45:59 AM
1. Call Winston 904-343-0848
2. Clean filters
3. Check gas pressure
4. Check fan
Title: Re: National Dryer Problems
Post by: mk162 on March 26, 2014, 07:49:28 AM
turn it on at 5. ;)

how are you determining the temp?  readout on the dryer, or testing garments exiting the dryer?

you should lightly sand and clean your flame rods about every 6 months or so...it will lengthen their usable life.

ummm, i'd call Winston...the resident gas dryer expert.
Title: Re: National Dryer Problems
Post by: Logoman on March 26, 2014, 08:52:17 AM
The digital readout on the Temp Control would read 275, the dial would be set at 400 and the shirt temp with gun read 355. I will give winston a call.
Thanks
Title: Re: National Dryer Problems
Post by: Logoman on March 26, 2014, 08:41:17 PM
I called Winston but his message box was full so I could not leave a message. Got his handle on here so I can send a message?
Title: Re: National Dryer Problems
Post by: Frog on March 26, 2014, 10:22:13 PM
He is californiadreamin here on the boards.

http://www.theshirtboard.com/index.php?action=profile;u=354 (http://www.theshirtboard.com/index.php?action=profile;u=354)
Title: Re: National Dryer Problems
Post by: Ross_S on March 27, 2014, 08:20:31 AM
Check your flame pak.  Also, there are two valves underneath that control gas pressure reset them prior to start up.  Those are two quick suggestions that machine is particular.  Also, check all the fuses because the machine will start and begin to heat even one of the little fuses is blown.

Ross