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8. Periodically check air/fuel ratio to ensure that the burner is operating at peak efficiency.
Exhaust gas analysis can be performed with most commercially available gas analyzers.
Figure 20. Proper Impeller Position On Motor Shaft
X. RECOMMENDED SPARE PARTS
ITEM
QTY.
1A
1
2
1
3
2
KS84447812
4
1
KS84447832
5
1
PART NO.
HK16847
Control Motor, Fuel, Medium Torque
16281
UV Scanner
Air Pressure Switch, Combustion Air & Purge Air,
1 - 20" wc (25-508mm wc) (LP & Low Pressure Oil Only)
Air Pressure Switch, Primary Air, 12-60"wc (405-1520mm wc)
HK61020
Air Pressure Switch, Compressed Air, 30 psig (207 kPa)
Table 14. Recommended Spare Parts
Y7871
(NOT TO SCALE)
DESCRIPTION
Page 39
MS-9
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