Bradford-White Corp MI40T Service Procedure RG-I, If the information in these instructions is not

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SERVICE PROCEDURE RG-I

Inner Door/Gasket Removal, Inspection

Replacement and Reinstallation

Inner Door Removal Procedure

Step 1. Rotate knob of the combination thermostat/gas valve to the “OFF” position.

Step 2. Remove outer jacket burner access door

Step 3. Inner Door Removal.

For White Rodgers Control, depress knob slightly and rotate clockwise to the “OFF” position.

For Robertshaw Control, rotate knob clockwise to the “OFF” position.

a)Disconnect resettable thermal switch wire leads (leading from combination thermostat/gas valve).

b)Remove (2) 1/4" hex drive screws from right side inner door.

c)Remove (2) 1/4" drive screws from flange section of inner door.

d)Remove (2) 1/4" drive screws from left side inner door.

e)Remove inner door and inspect per step 4.

Resettable Thermal Switch

Wire Connection

¼" Hex Drive Screws

Right and Left Side Inner Door.

 

¼" Hex Drive Screws at

 

Flange Area of Inner Door

Step 4. Fully inspect inner door gaskets for the following:

>Tears

>Other imperfections that will inhibit proper seal

>Missing Material

>Gasket adhesion to inner door

>Cracks

>Material left on combustion chamber (around opening)

>Dirt or debris

 

If the gasket is not effected by any of the above, gasket replacement is not required. If replacement is required,

proceed to Inner Door Gasket Replacement Procedure.

Inner Door Gasket Replacement

Procedure.

WARNING

If the information in these instructions is not

followed exactly, a fire or explosion may result causing

property damage, personal injury or death.

Step 5. After inspection of inner door as noted in step 4, completely remove gasket and adhesive residue from right and left side inner doors as needed.

Step 6. Use RTV sealant (recommended bead size 1/8") to secure the inner door gasket to the inner door sections (right & left). Refer to illustration on next page for proper application. Note the overlap configuration in the flange area of the inner door. Set the flange section first, this will help to achieve the proper over lap position.

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Contents MI60T*FBN,CX M2XR504T*FBN,CX M2C504T*FBN,CX 50T65FBN,CX MI30T*FBN,CX M430T*FBN,CXMI50L*FBN,CX M1XR403S*FBN,CX MI504S*FBN,CX M1XR504T*FBN,CX Table of Contents Introduction Bradford White Defender Safety SystemFlammable Vapor Ignition Resistant Water Heaters Troubleshooting ChartProceed to Inner Door Gasket Replacement Procedure Service Procedure RG-IFollowed exactly, a fire or explosion may result causing If the information in these instructions is notInstallation of Inner Door With Gasket Replace outer jacket burner access door Thermocouple Testing and Replacement Service Procedure RG-IIClosed Circuit Thermocouple Testing White Rodgers Control Closed Circuit Thermocouple Testing Robertshaw ControlThermocouple Replacement Open Circuit Thermocouple TestingPilot Assembly Inspection, Cleaning and Replacement Service Procedure RG-IIIPiezo IGNITER, Electrode Testing and Replacement Service Procedure RG-IVPiezo Igniter, Electrode Testing and Replacement Combination Thermostat/Gas Valve Testing Replacement Service Procedure RG-VCombination Thermostat/Gas Valve Testing and Replacement Line PressureMagnet Assembly Testing Robertshaw Control Thermocouple TestingMagnet Assembly Testing White Rodgers Control Combination THERMOSTAT/GAS Valve Replacement ECO Energy Cut Off TestingWrench Boss Personal injury or death Explosion causing property damageSeal breach may result in a fire or Cast Iron Burner Adjustment Service Procedure RG-VIMain Burner Inspection, Adjustment Cleaning and Replacement Feedline Burner Cleaning Resettable Thermal Switch Continuity Testing Service Procedure RG-VIIResetting Thermal Switch Testing and Replacement Over Tighten Screws Resettable Thermal Switch ReplacementScreenLok Flame Arrestor Cleaning Service Procedure RG-VIIIScreenLok Flame Arrestor Cleaning DIP Tube Inspection and Replacement Service Procedure RG-IXDip Tube and Anode Inspection and Replacement Anode Inspection and Replacement Parts List Page Page Fax/215-641-1612
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