HMG621640 Admiral Refrigerator - Instructions

took nut driver and removed screw holding valve to refrigerator removed valve. Swapped water lines from old valve to new valve,plugged in selonoid wire harness to new valve reattached the water valve to referigerator and turned water on and forgot it. No leaks,ice and water in 24 hrs.

The can drinks in refrigerator were not as cold as usual. I opened the freezer and touched the back panel and noticed there was a frost buildup. Since I have had this problem before, I knew that the defrost heater must be bad. I removed all the shelves and the tracks. The back panel is held in by 8 small sheet metal screws. I removed the screws and pulled the back panel up and out. The refrigerator is in garage, so I put a fan in front of it and the fan melted the ice off the coils. I disconnected the wires and checked the the heaters (both wired together) with an ohm meter. The meter showed the heaters to be open. (bad). Actually only 1 of the 2 heaters were bad, but I replaced both of them since they are wired together as a set.

Removed ice maker bin,removed screws on back panel cover. Pulled out panel cover,thawed accumulated ice, unscrewed bracket holding defrost heater set, unplugged busted defroster, plugged in new defroster set,installed it back, installed back panel cover, ice maker and powered it on.More than a week after installation,I don't see any signs of ice accumulation on back panel cover.

After empting the shelves I unscrewed the water lines that go to and from the the water tank. I then unscrewed the three screws that holds the water tank to the back wall of the refrig. then unscrewed the two water lines located at the bottom of the water tank. I then installed the new water tank by screwing the water lines on to the new tank then screw the water tank back on to the back wall. Turned the water back on and it took a minute or two to bleed the air out of the water tank and water lines. It now works great

Remove freezer contents, shelving, baskets, shelf brackets, basket rails. Then, remove the icemaker including the ice basket, the cube freezer and the motor assembly. Remove the back liner of the freezer compartment. Remove and replace the defrost heater assembly, using the old mounting brackets and connecting the wires to the same terminals. Reassemble. Discard excess screws :).

evaporator coils were frozen solid and air wasn't flowing across them

read all directions first, then consider which steps you'd like to take

in any case...
- check for blockages in the upper and lower air vents that allow air from freezer side to cool the fridge-side
- inspect that the fan in the freezer side is actually turning and not blocked


- if no blockages and air is flowing between the sides...

- unplug the unit
- remove all goods from freezer and fridge
- remove freezer side racks
- remove rear panel on freezer side using philips screwdriver (note that the ice-cube tray motor housing must be freed by removing its screws. it can be pull out a bit to get to a single screw holding the top of the rear panel in place)
- allow the evaporator coils to evaporate all ice off, checking the drain pan under the fridge frequently - accelerate the process using a hair dryer or paint stripper (heat gun)
- disconnect the white wires from the connection block located about 2/3 of the way up the rear wall and check resistance using an ohmeter (see specs on back of fridge on circuit diagram)
- if you get a very high resistance reading, the heater element is likely broken. if so...
-- remove the 2 metal shields located horizontally across the evaporator coils (behind them are the two series-connected defrost heater elements)
-- visually inspect the elements - if they are discolored green or black, remove and inspect more closely (most likely they are blown, just like a light-bulb filament that shows black on the glass)
-- if you see nothing, remove them anyway (since high reading) and check connectors
-- replace them (likely only $30 to $75, depending on type)

- if coils seem ok, or if not suspect, check the defrost thermostat WHILE IT IS STILL IN A WORKING/COLD FREEZER.
- get the defrost thermostat into a coil chamber (other freezer or bucket of ice?) and check resistance using an ohmeter. It must be WELL-BELOW 40F to test it. When it is truly immersed in cold (as it would be in a working freezer), test the resistance. it should be 0-ohms when <<40F and some much higher resistance (>200KOhms) when > 40F.
- if not, replace it

-lastly, if neither the defrost heater elements are bad nor the defrost thermostat is bad, open up the defrost timer
-- the defrost timer is located in the fridge side, likely with the fridge thermostat knobs/controller
-- it is a 5-pin part that cannot be repaired. If all else is checked, most likely the defrost element is never coming on because the timer is not turning it on

had to cut approximately 1/2 inch off. It was a bit to thick used the pliers to squeeze it to a thickness it would fit in the slots

Found a tip online that said to check the resistance of the defrost coil, when I had none I knew the coils had burned out. Before pulling the old coil out I tied on some long pieces of string as was suggested, that made things go very quick! The hardest part was reaching to the back of the narrow freezer space, but fortunately I have long arms. So far all is working well, and I have a great deal of satisfaction knowing I did the repair myself!

Turn off refrig water supply, remove cardboard rear lower cover, disconnect two plastic lines (one for icemaker, the other for in-the-door water dispenser) and one copper fitting (supply line). Replace valve (mounted with one screw), reconnect, test for leaks.

The valve I was so sure was bad wasn't, replacing it didn't solve my problem. Turned out to be a frozen up icermaker water feed tube at the top rear of the refrig. The Fix: heat a metal rod of appropriate size in boiling water or with a hair dryer, poke it gently up into the water drop tube (sticks out just above the rear of the icemaker) from the inside and melt out the ice plug. Be sure to test this tube if you have the same problem, you should be able to disconnect the line on back of the refrig and blow air through the tube if it's clear. Saved the valve anyway for a spare.

The firt hard thing was waiting for the part to arrive, but that went quick. The second hardest part was opening the box. Shucks I got a paper cut, should have used a razor but while wife wont let me have sharp objects. Oh, yeah I had to find the hachsaw. I fooled everyone I knew where that was too. Be sure to measure properly, because if you cut too short then you have to stretch the bar. I havn't found any type of bar stretcher that works. It's best if you clamp the metal bar to a 2 X 4 piece of wood in order to steady the metal bar while you cut. You can't cut to well trying to hold the metal bar in your hand. The best part was completeing the job by installing the bars. Finally I have more room in my freezer to store food in the doors. This is my story and I am sticking to it. Have fun.

remove all tray,remove back panel,cut out out old heater adn replace with new heatger,refitted back panel and alll tray.

Turned refrigerator and freezer controls to off, removed icemaker bin, unplugged icemaker plug and removed two screws holding icemaker in place and removed icemaker. removed screws holding auger motor and freezer compartment light plate, unplugged and set aside. Remover screws holding freezer coil cover in place and removed cover. Allowed coils to defrost completely and then removed screws that hold the two defrost heater coil mounting plates in place, unplugged the two wires that connect the defrost heater coils to the connector block that is located above the freezer coil. Remove the entire defrost heater by working the connecting wires out from along side the freezer coil. Remove the clips that hold the old defrost heater elements to the mounting plates. Install new heating elements into the two mounting plates with the clips. Reinstall the two mounting plates to brackets on freezer coil and reinstall connecting wiring up to connector block and reconnect them. Reinstall freezer coil cover, icemaker auger motor and freezer compartment light plate, and icemaker and bin to complete job. Due to the confined space in the freezer compartment, reinstalling the freezer coil cover and light plate was difficult as I could only use one arm at a time resulting in many dropped screws.

it went good

I had to cut the bar to the right length with a hacksaw. The most difficult part was getting on the plastic supports/pins on either end. I'm not sure a hacksaw is the best way to cut a retainer bar, but it worked.

I removed all covers then removed screws from element and disconnected wires and removed it.
when installing the new heater I payed close attention to the routing of thw wires to insure that the terminals were connected properly. I then replaced all covers and turned the frig on and in a couple of hour it was working great again