20 Most Recent Imperial IFS40 Deep Fryer Questions & Answers


There is a little tab on the knob that is broken. Replace the knob and the fryer will work. One center screw holds the knob on the valve.

Imperial IFS40... | Answered on Oct 06, 2016


The thermostat could be stuck in the on position . Remove the wires and do a continuity check on the two terminals on the thermostat. Should read open with the thermostat in the off position. Also check that someone has not jumped the two terminals on the gas valve.

Imperial IFS40... | Answered on Oct 02, 2016


Greg. Either pilot flame needs adjusted, or you have to replace thermocouple.
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Imperial IFS40... | Answered on Mar 05, 2016


There is no gas adjustment screw. There is an air ratio adjustment on each burner. Loosen the screw that holds the flame adjuster and turn the stamped metal adjuster until there is no orange portion of the flame visible. Tighten the screw and you're done.

Imperial IFS40... | Answered on Jan 01, 2016


with gas and deep fries I would only use the services of an accredited gas fitter to fix the problems
That way the job is covered by warranty, the insurance on the place remains intact and there is less chance of an explosion
probably work out cheaper in the long run as well as I would not be wasting money on the items that do not need replacing

Imperial IFS40... | Answered on Oct 09, 2015


If you don't know that you are doing you should buy them. You need one for each burner, 3 or 4 for most models. Yes they can be drilled out going only one way, using lettered drill bits that are hard to find. The regulator on the back normally has to be adjusted also. If either is wrong, the flame will be to big or to small to heat correctly. At least buy one orifice and check the size hole, they are not expensive $5 -$10 if you do a little searching for a good price.

The Part Numbers are:
Orifice - NAT. Gas 1625-36
Orifice - L.P. Gas 1625-51


You MUST use Lettered drill bits for size, Like A-Z If it was drilled with any normal size bits 1/16 type bits it will NOT be correct! There should be a number stamped on the orifice, unless it was drilled out. Most people never mark the door that the gas type was changed, causes all types of problems for the service men.
Can you give more details to your problems? I couldn't find the hole sizes right off, but have seen it listed.

Imperial IFS40... | Answered on Apr 09, 2015


What temp are you running it at? How old is the grease?

Imperial IFS40... | Answered on Apr 07, 2015


I do not know where you are located but if you have a restaurant supply or a repair tech near you they can get you a replacement kit for you

Imperial IFS40... | Answered on Mar 01, 2015


There is a metal ring on the front of the burner with a couple of slots and a locking screw. Loosen the screw a bit and turn the ring until the flame burns better, should be mainly blue.

Imperial IFS40... | Answered on Oct 16, 2014


The heat exchanger might be a result of the yellow flame but not the cause of it burning yellow. I would guess it is the amount of air being mixed with the gas. Most burners have a slotted metal air mixture ring on the front of the burner near the brass orfice, you are calling a jet. There is a locking screw to release the ring so it can turn to adjust the amount of air being mixed with the gas. If this doesn't fix the yellow flame it could be a gas pressure problem that could be the external regular in the gas line. Not sure if you are talking about the pilot flame or the burner flame or both? A tech should know how to adjust the air mixture.

Imperial IFS40... | Answered on Oct 16, 2014


Could also be the amount of air getting into each burner. There should be a metal ring with holes on the front of each burner. There should be a set screw to keep it from turning by it self. Loosen the screw and turn the ring until the flame burns better and tighten the screw back again. If the orfice is the wrong size for the gas you have, it might be able to be drilled out or needs replaced if it needs to be smaller. You will need the manual to find out the correct size orfice, it will be a letter size of a drill bit, some what hard to find.

Imperial IFS40... | Answered on Jul 25, 2014


Sounds like your thermostat is not calibrated properly. this is a job for a pro. If you don't do this correctly the grease temps can rise above safe levels and cause the high limit to open.

Imperial IFS40... | Answered on Jul 11, 2014


Hi there.
If the bubbles come up after loading products on fryer, check the product load quantity and reduce as needed so oil will not overflow. Bubbles came from the water content of the product; more water inside the product, the more bubbles it will produce during cooking so it it better to check the loading quantity.
Regards.

Imperial IFS40... | Answered on Jun 23, 2014

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