RWB 6104 WMNX Page 17
The rear door must be kept tightly closed. The
adjustment screw may now be turned to adjust
the head/air setting.
Turn the adjusting screw to a setting ½ number
lower than the proper set point as indicated in
Table 1. Then turn the adjusting screw counter-
clockwise to the proper setting.
Tighten the splined nut and lower acorn nut after
the head/air setting has been adjusted.
Blower Wheel Replacement
For installation or replacement of a blower wheel,
insure that there is a space between the blower
wheel and the motor face of 0.115”. Refer to Fig-
ure 14.
Shutting the Burner Off
Turn off all electric power to the burner.
Note: There could be more than one disconnect
switch.
7.
8.
9.
•
•
Figure 13. – Retention Head/Throttle Cup Alignment
Figure 14. – Blower wheel assembly
SK9670
IF THE BURNER IS SHUT DOWN
FOR AN EXTENDED PERIOD OF
!
CAUTION
TIME, ALWAYS KEEP THE VALVE SHUT OFF.
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