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DG7400 Dryer - Instructions

All Instructions for the DG7400
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Gas Flame Would Drop Out
First it was a process of alimination to find out why it was dropping out. After the problem was found it was just a matter of replacing the holding coil on the gas valve. Thank you fred kenney sr
Parts Used:
Dryer Radiant Flame Sensor
  • FRED from BRIELLE, NJ
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
47 of 64 people found this instruction helpful.
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Dryer would heat only on the initial start. Burner would not light again until completely cooled down. The ignitor would energize, but no gas would flow for ignition.
1. Pry Dryer top up and off the clips. (Front of Dryer)
2. Remove 2 phillips screws on the inside of front panel.
3. Lift front panel up and set off to the side
4. Removed 2 phillips screws with short handled phillips driver that hold the gas valve coil bracket in place.
5. Unplugged and removed both coils, installed new coils and bracket. Re installed front panel, screws and top.
Parts Used:
M Series Ignition Coil Kit
  • Bruce from Burnsville, MN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
40 of 47 people found this instruction helpful.
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dryer would not dry clothes, no heat
I am a seventy year old recent widow, I have never repaired any appliance before. This was the first time I had ever seen the inside mechanisms of a dryer. I read the reviews on your site and followed the instructions of other do-it-yourselfers. However I could not locate the screws to remove the front of dryer. I would like to know if this dryer can be accessed through back of dryer, for future references. This is a 20 year old dryer, very well made, and I am reluctant to give it up. I think the job would have been much quicker and easier if the dryer front could be opened, as I would have also liked to check the main burner, valve, and belts, etc. for wear and if all was working efficently, as well as do a thorough cleaning. I did locate the igniter part through small door on bottom of dryer, I loosened the screw on igniter, unplugged small plug on wire harness and removed part. Ordered new igniter part and it arrived within less than three days, excellent service, as I live on the west coast. I replaced new igniter, turned on the gas, plugged in electrical cord, checked gas valve connection on back of dryer to make sure it was secure, turned on dryer and presto, heat, works just like new so far. A $25 part sure beats a $200 service repair or the cost of a new dryer.The repair job required about 45 minutes total time, most of that time spent trying to remove front of dryer. If a seventy year old woman beginner can do this, it should be a snap for most anyone else.
Parts Used:
Flat Style Igniter
  • Shelby from La Crescenta, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set
36 of 39 people found this instruction helpful.
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Gas burner would not ignite
(I knew the gas coils were bad, since the gas ignitor would glow brightly as the burner attempted to ignite. So I knew everything except the gas valve was operating normally.)

Unplug the electrical cord to the dryer. Remove the front access panel. Remove the retainer clip for the gas coils (2 screws). Remove the coils and unplug the electrical connections. Connect the new coils to their respective electricl connections. Slide the nes coils back onto their respective posts on the gas valve. Replace the retainer clip, and 2 screws to hold it in place. (I then plugged the dryer back into the wall outlet to visually check the burner operation) Everything worked fine so I then replaced the front panel.
Parts Used:
M Series New Style Coil Kit
  • Jack from Conroe, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers, Wrench set
36 of 40 people found this instruction helpful.
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Dryer would not shut off on auto dry settings
I removed the discharge duct from the back of the dryer. Then, I removed the screws on the back of the dryer and the back itself. This exposed the cycling thermostat. I removed the screw holding the thermostat. I took the wires off the defective thermostat and reinstalled them on the new thermostat. Then, I reassembled in reverse order.
Parts Used:
Dryer Cycling Thermostat
  • Wiliam from Belleville, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
36 of 41 people found this instruction helpful.
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Dryer overheated and stopped working
The first thing I did was cheked the electrical panel and breaker, then I checked the electrical cord, then I did check the motor on the bottom of the machine (that may be is the blower motor) looking for any indication of burned parts or broken, then I checked the on-off switch with a voltmeter looking for continuity and it was fine. Then I checked the timer switch and it was fine as well. Finally, I took the lid off the top of the dryer machine to check the thermostat and themal limiter fuse. The thermostat was fine but the thermal fuse was open. So after doing some research to understand how the fuse work I decided to place an order to get a new fuse. I installed it and the dryer started working again. After replacing the fuse I monitored the dryer machine while operating it and worked fine. Why the fuse was open or was damaged? It is the first time I have problems w/ the dryer. I checked the end of the conduct line that guide the air out and I noticed and have to clean the end of it because it was dirt. Because it was not completly clean, the dryer got overheated. It took me sometime to figure out the problem but I learned, save me money and the best part was that I do it myself : )
Parts Used:
Thermal Limiter - Limit 220
  • Paul from Holiday, FL
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
34 of 36 people found this instruction helpful.
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Loud squealing followed (eventually) by total stopage
After much coercement from my wife, I listened to the squealing noise she kept telling me about. Then it quit working completely and I had no choice. Probably the motor. Not being one to want to do this more than once and figuring after 16 years all of it could be bad, I ordered all moving parts, as well as new front and rears felt seals for the drum and the blower seal. Everything in taking the dryer apart was straight forward and obvious. The tricky part was getting the belt back on the tensioner. Working from the front of the dryer, I did this one-handed via the lower left side around the motor while my wife held the drum in place.
Parts Used:
Tumbler and Motor Belt Dryer Blower Housing Seal Idler Pulley Wheel Drive Motor - 60Hz 115V Front or Rear Drum Felt Seal Front Glide Kit Drum Support Roller Kit
  • Chandler from North Potomac, MD
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
38 of 49 people found this instruction helpful.
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The dryer drive belt broke. The dryer wouldn't tumble nor blow heated air.
The repair itself was pretty easy. Though I had figured out what needed to be done on my own while I waited for the belt to arrive via Fed Ex, the belt arrived with instructions that described the plan I had already figured and if I hadn't known what I was doing, the instructions would have been a great help.

STEP ONE, UNPLUG THE UNIT (and/or shut off the gas supply), CAREFULLY. Then, I took the front of the unit off by removing the 2 screws on the front panel near the bottom of the unit and disconnected the wiring that shuts the unit off when the door is opened. Set the front door panel aside. Then I removed the front of the tumbler retainer along with the exhaust duct and lint screen assembly by removing 4 screws that affixed the reatiner frame to the rest of the outer cabinet. Set this aside as well. Remove the entire tumbler unit. Set aside. Remove 4 screws on the back of the unit that hold the tensioner and motor access panel and remove it. Set it aside. At this point, I vacuumed every bit of lint and debris from the snapped belt out of the enitre unit, lubricated/greased all moving parts, cleaned off the friction bearing surfaces, and collected loose change ($1.35).

When the belt arrived, I unwrapped it, and placed the smooth side to the tumbler and rubber banded the slack off to the bottom right side (sort of the 4:30 position as you put the tumbler back into the unit). I carefully jimmied the tumbler back into the unit BEING CAREFUL not to pinch the groved belt between the tumbler and any other parts inside the cabinet. I replaced the tumbler retainer and screwed the 4 bolts back into place. I spun the tumbler over near the tensioner assembly (so I could see the slack through the access panel hole in the back) and removed the rubber band. I threaded the belt through the tensioner and over the drive pulley and rotated the tumbler clockwise to align the drive train of the belt. I plugged the 2 wires back into the switch on the inside of the door panel and then I replaced it on the front of the unit and screwed the 2 screws back in at the bottom front of the panel. I plugged the unit back in and tested opperation. It worked great! I unplugged the unit again (I'm not finished yet). I then replaced the access panel on the back of the unit and screwed the 4 screws back in. I moved the unit back against the wall and plugged it back in. Done! The dryer is less noisey now and more efficient most likely b/c I cleaned all the lint out of the thing! Thanks for the prompt shipment of the belt!! I'll get a few more years out of this dryer before spending $700 on a new one!!! Thanks again!
Parts Used:
Tumbler and Motor Belt
  • Lee from Royal Oak, MI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers, Socket set
35 of 41 people found this instruction helpful.
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Door Latch & Door Strike Broken On Dryer
I removed the broken door latch & strike with pliers. Then I pushed the new parts into place
Parts Used:
Door Strike Door Catch
  • Bruce from Seminole, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers
41 of 59 people found this instruction helpful.
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Dryer would light at start and then not light.
I used the trouble shooting part of this site and bought the radiant flame sensor and the high limit thermostat. Installation was very easy. The original problem still persisted and then purchased the temp. control thermostat, cycling thermostat and thermal fuse. These parts installed easily as well and the problem still existed.

While using the Multimeter to determine if the gas valve coils were getting voltage during the lighting process I moved the contacts on the two wire coil and noticed that the coil would activate sporadically. As it turned out the coil had a loose connection which would contact while cool and then lose contact when the coil warmed up.

This was a tricky issue to diagnose and am now waiting for a new coil to finish the repair.

I now have an almost complete set of spare parts for electrical issues and got them at a nice price. I will keep them in the event that I might need some of them in the future.

The repair would have been easy and very straight forward thanks to this website if the actual problem hadn't been the crazy heat related bad connection in the coil. Since the flame would light during startup the coils seemed to me to be good. Actually finding a weird issue is the sort of thing I find to be the fun part of repairing things.

Thanks Parts Select ! !

Gregg heagney
Parts Used:
High Limit Thermostat Dryer Radiant Flame Sensor
  • Gregg from Sedro Woolley, WA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
31 of 33 people found this instruction helpful.
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Dryer would start and heat, but after 1st cycle the burner would not fire and a buzzing sound was coming from the gas valve solenoid area. Igniter and other functions worked fine.
Removed front of dryer, unplugged each coil to determine where buzzing was coming from.....determined it was the boosting coil....ordered part and replaced. Dryer works great....we think it had be going bad over time because drying times have noticeable decreased.
Parts Used:
M Series New Style Coil Kit
  • David from Bedford, IN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers, Wrench (Adjustable)
31 of 36 people found this instruction helpful.
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dryer would not continuously heat, and took several cycles to dry clothes. The flame would ignite and heat the dryer at first, but then would ignite and go out quickly for the rest of the cycle. I tried the thermostats first with no luck.
I first ordered the coils from a different web site and they sent the wrong ones. The job would have been much eaiser if i had just returned and ordered from here. Instead i cut wires and tried the others but since they were worng, it did not work. I didn't label the wires so it was a puzzle to put it back together. Once i had the wires connected properly it was a simple fix. You just open the top and take the front pannel off, remove the drum and it is right there at the bottom. Two screws take the cover off of the coils and they slide off the gas valve. Slide the new ones on and replace the cover. Put the front pannel back on, close the top and its good to go. I first tried the highlimit thermostat, and termostat with no luck. The flame would light when it was cold, but once warmed up, the flame would ignite and immediatly go out. The coils did the trick.
Parts Used:
M Series New Style Coil Kit
  • Ryan from Livonia, MI
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
30 of 34 people found this instruction helpful.
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Dryer was failing to dry clothes (heat going off intermittently)
To be more precise, the clothes weren't getting dry and there was some sort of vibration sound coming out of the dryer. I removed the front panel (by removing the 4 front screws (2 in the door and 2 on the opposite side). I then ran the dryer while inspecting the innards. I notice that the igniter was lighting but was failing to start the gas flame. I could smell a little gas during this period so I know that gas was available but was not getting released in the correct amount. This told me that the gas valve we malfunctioning. I remove the gas valve and broke the igniter (it's fragile so be careful). Some other contributer did the same thing :(
I replace both the igniter and gas valve and presto... it was fixed. My wife was impressed and I looked good. I guess that's all that matters :)
Parts Used:
Gas Valve with Coils Flat Style Igniter
  • Patricia from Oakland, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
28 of 29 people found this instruction helpful.
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My dryer only heats up at the beginning of cycle so my clothes will not dry.
I remove the front control panel and to get to the bottom front dryer door off. Using my volt meter i checked all the sensors and thermal. I surf the internet for hint and some one mention to replace the coil since some time you could have one goes out and the other working still. After i replaced the coil kit it works like a champ.
Parts Used:
M Series New Style Coil Kit
  • Monique from Mission Viejo, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers, Socket set
31 of 38 people found this instruction helpful.
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No heat, but everything else works. Ran continuity tests on everything and found gas valve solenoid coils open.
Just as others described in your forum, getting to the gas valve solenoid coils is relatively easy. Pop the top lid and lay it back, remove 2 inside screws that fasten the front cover and pull back off the snap clips and lift up and off. Remove 3 screws that hold the entire gas control assembly to the bottom of the dryer and remove. Unfasten 2 screws on the valve that lock the plate on top of the two coils, unplug the electrical spade lug connections and remove. Install the new coils and do everything in reverse. Easy as 1-2-3.
Parts Used:
M Series Ignition Coil Kit
  • Barry from Fremont, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers, Wrench set
27 of 31 people found this instruction helpful.
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All Instructions for the DG7400
31 - 45 of 1546