Natco ANSI Z 21.10.3, Service Manual

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URNER MOUNTING FLANGE GASKET WITH A NEW GASKET, B
PRAYED WITH PERMATEX HIGH TACK SPRAY-A-GASKET ADHE
URNER WITH THE FLAT SIDE OF THE FLANGE FACING DOW
LOWER OUTLET FLANGE GASKET WITH A NEW GASKET. BE
PRAYED WITH PERMATEX HIGH TACK SPRAY-A-GASKET ADHE
ON BURNER MOUNTING FLANGE. BE SURE THAT THE SIGHT
ALLED CORRECTLY AS SHOWN BELOW:
NOTE:
NDOW ARE DAMAGED IN ANY WAY, REPLACE THEM WITH N
LOWER BOLTS FIRST TO 50 INCH POUNDS TORQUE, THEN TO
ORDER:
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ASSEMBLY
1. REPLACE THE WHITE FIBER BURNER MOUNTING FLANGE GASKET WITH A NEW GASKET.
2. PUT THE BURNER MOUNTING FLANGE BACK IN PLACE WITH THE ½" HOLE NEXT TO THE LARGE HOLE IN THE
CENTER OF THE PLATE TO THE RIGHT AND WITH THE STUDS FACING OUT.
3. TIGHTEN THE SIX ½" NUTS TO 50 INCH POUNDS TORQUE AND THEN 200 INCH POUNDS TORQUE IN THE
FOLLOWING ORDER:
4. REPLACE THE BURNER MOUNTING FLANGE GASKET WITH A NEW GASKET, BE SURE THAT BOTH SIDES OF THE
GASKET ARE SPRAYED WITH PERMATEX HIGH STACK SPRAY-A-GASKET ADHESIVE SEALANT (PART #99MA).
5. RE-INSERT THE BBURNER WITH THE FLAT SIDE OF THE FLANGE FACING DOWN.
6. REPLACE THE BLOWER OUTLET FLANGE GASKET WITH A NEW GASKET BE SURE THAT BOTH SIDES OF THE
GASKET ARE SPRAYED WITH PERMATEX HIGH TACK SPRAY-A-GASKET ADHESIVE SEALANT (PART #99MA).
7. PLACE BLOWER ON BURNER MOUNTING FLANGE. BE SURE THAT THE SIGHT GLASS IS IN PLACE AND THE
GASKET IS INSTALLED CORRECTLY AS SHOWN BELOW:
IF GASKET OR SIGHT WINDOW ARE DAMAGED IN ANY WAY, REPLACE THEM WITH NEW ONES.
SIGHT GLASS G2000
GASKET G5060
8. TIGHTEN THE BLOWER BOLTS FIRST TO 50 INCH POUNDS TORQUE, THEN TO 150 INCH POUNDS TORQUE, IN
THE FOLLOWING ORDER:
9. PLACE THE IGNITOR BACK INTO THE BURNER MOUNTING FLANGE, BEING VERY CAREFUL OF THE ELEMENT,
WHICH IS EXTREMELY FRAGILE.