TM 9-4520-258-14
2-8.
OPERATING PROCEDURES- continued.
b.
Heat-Auto Mode - continued (Refer to Figure 2-7)
(7)
After the burner lights up, observe the flame through the sight glass (1). If flame is not bright and
steady, notify unit maintenance to adjust the fuel pressure.
(8)
Adjust the fresh air damper (9) for the desired amount of fresh air by releasing the chain (10) and
allowing it to feed into the damper assembly.
(9)
Adjust the temperature of the area being heated by depressing one of the arrows on the
Figure 2-7. Operation, Heat Auto Mode (Sheet I of 2)
2-27
