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Norcold N300.3 Скачать руководство пользователя страница 1

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Norcold N300.3 Refrigerator

This article is taken from the Winnebago Rialta Owners web site with the permission of the site owner. It
has been modified to remove motorhome-oriented terminology, and insert TrailManor-oriented
terminology. The scattered parts have been re-united and organized. And the Table of Contents has been
added.

DISCLAIMER AND WARNING This article deals with disassembly, repair, and reassembly of a
propane burning appliance. Propane is dangerous, and nothing in this article mitigates that danger.
It is recommended that unless you are well-trained in propane burning appliances, you engage a
certified repair technician to perform the work described herein.

The original article is located at http://www.rialtainfo.com/winnebago/refrigerator.htm

Table of Contents

Section Title

Page

Part 1 - General Information

2

Operators’ Manuals

2

Refrigerator FAQs

3

Levelling the Refrigerator

4

The Stated Requirement

4

The Real World

4

Levelling Measured at the Wheels

5

Conclusions

5

Levelling Measured at the Countertop

5

Summary

6

Maintenance and Cleaning

6

Part 2 - Troubleshooting and Repair

7

Troubleshooting Electrical Operation

7

Troubleshooting Propane Operation

7

Introduction to Troubleshooting the Burner

8

Troubleshooting Steps - Propane Burner

8

Results of Troubleshooting

9

Cleaning

10

Cleaning the Tip of the Thermocouple

11

Cleaning the Igniter

13

Cleaning the Burner Orifice Assembly

14

Part 3 - Replacing the Thermocouple

16

Background

17

Purchase of the Replacement Thermocouple

17

Removing the Refrigerator from the Trailer

17

Old Thermocouple Removal

18

New Thermocouple Installation

20

Cleaning And Repainting The Rest Of The Mechanism

21

Another Cleaning Idea

24

Putting the Refrigerator Back in the Trailer

25

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Содержание N300.3

Страница 1: ...of Contents Section Title Page Part 1 General Information 2 Operators Manuals 2 Refrigerator FAQs 3 Levelling the Refrigerator 4 The Stated Requirement 4 The Real World 4 Levelling Measured at the Wh...

Страница 2: ...You should not use LP operation while the vehicle is in motion because most local state and Federal regulations prohibit its use and usually the air currents generated by the motion usually prevent pr...

Страница 3: ...iciency of the refrigerator while operating in the gas mode is dependent upon the correct burner flame The burner flame requires correct input gas supply pressure air input and burner and burner orifi...

Страница 4: ...pliance that operates on both LP gas and electrical power Servicing this unit should only be done by a trained technician to avoid potential dangerous consequences Is my refrigerator self defrosting N...

Страница 5: ...ling Measured on the Countertop All you need is a 24 long level easily obtained at any hardware store for under 10 I chose the 24 length because it will provide you a measurable variance that you can...

Страница 6: ...eels by only an inch or two are hopefully doing so for their own personal comfort and not for the refrigerator The bottom line is this Just how sensitive are YOU to being slightly out of level If it d...

Страница 7: ...is between 11 5 15 4 volts These voltages should be measured at the refrigerator s power terminal block on the back of the refrigerator There are two fuses located near the electrical terminal block...

Страница 8: ...simply cleaning out accumulated dirt soot spider webs etc using a long handled brush and a vacuum cleaner was all that was necessary to remedy their problems However since many of the problems are rel...

Страница 9: ...cond person who is trying to observe the flame inside the burner box should be able to see a bright blue flame at the end of the burner orifice tube Results of Troubleshooting After performing these s...

Страница 10: ...etermined that you need to remove some items clean them and reinstall them to check for proper action Even if you think that you may have a problem with only one item I still recommend that you remove...

Страница 11: ...while trying to remove the screws so you may wish to disconnect the gas fittings in order to gain some needed work space Note that photo 4 above shows the gas line fittings are the last item to be re...

Страница 12: ...ans They have no sponge and no embedded detergent Normally you should not have to re position the thermocouple in relation to where it sits with the flame However repair attempts by others may have le...

Страница 13: ...rmocouple and prevent it from being brought up to full temperature Then the same shut down procedure will happen once the safety valve button is released Cleaning the Igniter The igniter is held in pl...

Страница 14: ...air holes and a series slits where the gas burns Both of these may need cleaning Photo 9 below is a close up of the gas outlet slits in the burner orifice tube once it has been removed from the burner...

Страница 15: ...lits especially the slit closest to the mounting flange This one is not particularly dirty but the slits still need to be perfectly cleaned out Use fine emery cloth the green scratch pad or a stiff fi...

Страница 16: ...or adjusting the size of the orifice or air mixture Once you go through the troubleshooting steps again everything should work just perfectly If a yellow flame continues to appear after cleaning the b...

Страница 17: ...ansferred by the thermocouple to the interrupter This voltage signal activates a low level magnet which will hold the interrupter and the safety valve open The magnet itself will not pull the safety v...

Страница 18: ...lips head screws from the side of the refrigerator case and it was ready to be removed I initially pushed on the back of the refrigerator case from the outside until I moved it inward about 4 6 inches...

Страница 19: ...19 the interrupter and pulled the TC out of its position I was then ready for the installation of the replacement TC...

Страница 20: ...er end near the interrupter so that I could thread it into the interrupter opening I snugged the fitting gently but firmly I installed three new cable ties in approximately the same position as the ol...

Страница 21: ...ting on the bench why not consider doing a complete maintenance of the burner and heating tube assemblies and at the same time cleaning up some of that rust so the thing will look new again If you d l...

Страница 22: ...painted black for a reason heat transfer Technically your refrigerator makes things cool by first heating up some of its parts After some magic is done with the ammonia gas to create the cooling insi...

Страница 23: ...as The idea here is simple whatever form of energy is used it s only function is to apply heat to this area of the tube with the ammonia gas The insulation is only used to concentrate the heat in one...

Страница 24: ...h to an electric drill and polish out the heat riser tube in the fridge Be sure to remove the spiral heat deflector inside the tube it hangs on a wire that is attached to the top of the tube Polish ou...

Страница 25: ...gerator valve then the tank valve and went inside for a test As the tank had been off for a bit I first lit a range burner to allow the gas to refill the supply lines I set the mode switch to gas held...

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