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750-204
Profire D/LND
4.5 — Oil System 4-5
4.5.1 — Oil Metering System 4-5
4.5.2 — Atomizing Air Pressure 4-6
4.5.3 — Atomizing Air Proving Switch 4-6
4.5.4 — Low Oil Pressure Switch 4-6
4.5.5 — High Oil Temperature Switch 4-6
4.5.6 — Nozzle Line Heater 4-7
4.6 — Linkage: Modulating Motor 4-7
4.7 — Cam Trim Adjustment 4-9
4.8 — Firing Rate Controls 4-9
5.11.4 — Air-Oil Tank 5-7
5.11.5 — Oil Level Sight Gauge 5-7
5.11.6 — Compressor Oil Filter (Lube Oil Strainer) 5-7
5.11.7 — Oil Strainers 5-7
CHAPTER 5 Maintenance 5-1
5.1 — Overview 5-1
5.2 — Control System 5-1
5.2.1 — Programming Control 5-2
5.3 — Impeller and Stator Cone 5-2
5.4 — Firing Head Inspection 5-2
5.5 — Pilot and Ignition Electrode 5-4
5.6 — Flame Scanner 5-4
5.7 — Oil Nozzle 5-4
5.8 — Diffuser 5-6
5.9 — Firing Rate Controls 5-6
5.10 — Burner Mounting Inspection 5-6
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