Natco ANSI Z 21.10.3, Руководство по обслуживанию

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NTO THE END OF THE AIR INLET MANIFOLD.
APTER OVER THE END OF THE AIR INLET MANIFOLD UNTI
TS THE END OF THE AIR INLET MANIFOLD.
PTER BY HAND, WITH 1/8" PIPE THREAD FACING UP.
SS BARB BACK INTO THE TRAP ADAPTER WITH A 7/16" D
OP OF THE SPLIT UNION WITH HOLE FACING UP, AS SH
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20. RE-CONNECT THE GAS VALVE TO THE AIR INLET MANIFOLD BY TURNING THE UNION COUNTER-CLOCKWISE AND
TIGHTENING IT WITH A 10" PIPE WRENCH.
21. RE-CONNECT THE CLEAR VINYL HOSE FROM THE GAS VALVE TO THE AIR INLET ADAPTER.
22. PLUG THE BLOWER POWER WIRE INTO THE LEFT-BOTTOM OF THE BLOWER WITH THE WHITE TOWARDS THE
TOP.
23. RE-CONNECT THE CLEAR VINYL HOSE FROM THE PRESSURE SWITCH TO THE BARB ON THE BACK-LEFT OF THE
BLOWER.
24. PLUG THE IGNITOR WIRING HARNESS BACK INTO THE CONTROL BOARD.
25. RE-CONNECT THE BLACK WIRE TO THE FLAME RECTIFICATION PROBE, BY PUSHING THE CONNECTOR OVER
THE BLADE ON THE FLAME RECTIFICATION PROBE.
26. SCREW THE TWO GREEN GROUNDING WIRES TO THE TOP-BACK OF THE BLOWER WITH THE GREEN
GROUNDING SCREW, USING A 5/16" NUT DRIVER.
27. PLUG THE GAS VALVE WIRING HARNESS BACK INTO THE GAS VALVE WITH THE BLUE WIRE TOWARDS THE
BOTTOM OF THE CONNECTOR.
28. RE-CONNECT THE AIR INLET PIPING BY LOOSENING THE SMALLER HOSE CLAMP ON THE AIR INLET
CONNECTOR ALL THE WAY, AND THEN SLIDING THE BOOT OVER THE END OF THE AIR INLET ADAPTER, THEN
TIGHTEN, USING A 5/16" NUT DRIVER.
15. SNAP THE AIR ORIFICE INTO THE END OF THE AIR INLET MANIFOLD.
16. SLIDE THE AIR INLET ADAPTER OVER THE END OF THE AIR INLET MANIFOLD UNTIL THE STOP INSIDE THE AIR
INLET ADAPTER CONTACTS THE END OF THE AIR INLET MANIFOLD.
17. TIGHTEN THE TRAP ADAPTER BY HAND, WITH 1/8” PIPE THREAD FACING UP.
18. RE-INSTALL THE 1/8" BRASS BARB BACK INTO THE TRAP ADAPTER WITH A 7/16” DEEP SOCKET.
19. PLACE GAS ORIFICE ON TOP OF THE SPLIT UNION WITH THOLE FACING UP, AS SHOWN BELOW:
10. TIGHTEN THE TWO 3/8" IGNITOR NUTS TO 50 INCH POUNDS TORQUE.
11. PLACE THE FLAME RECTIFICATION PROBE BACK INTO THE BURNER MOUNTING FLANGE AND TIGHTEN THE
SCREW WITH A #2 PHILLIPS HEAD SCREWDRIVER.
12. RE-INSTALL THE AIR INLET GASKET TO THE RIGHT SIDE OF THE BLOWER WITH THE TWO ANGLE CUTS FACING
TOWARD THE WATER HEATER.
13. RE-INSTALL THE ALUMINUM AIR INLET ASSEMBLY WITH THE TWO ANGLE CUTS FACING THE WATER HEATER.
14. TIGHTEN THE FOUR 3/8" NUTS TO 5 INCH POUNDS TORQUE IN THE FOLLOWING ORDER:
NOTE:
IF THESE BOLTS ARE OVER TIGHTENED, THE BLOWER WILL BE DAMAGED AND WILL HAVE TO BE REPLACED.