Chapter 3 — Waterside Care and Requirements
3-6 Part No. 750-184
2. STEAM BOILER
Feed Pump Operation
BEFORE turning on the pump motor be certain that all valves in the
water feed line are open to prevent possible damage to the feed
pump mechanism. After opening the valves, momentarily energize
the feed pump motor to establish correct pump rotation. With the
correct rotation established, close the boiler feed pump entrance
switch. The pump should shut down when the water level reaches
the proper level.
Feedwater pumps must have adequate capacity to maintain
required water level under all operating conditions. Check the
feedwater pumps periodically and maintain as necessary to prevent
unexpected breakdowns.
Note: Prior to operating the pump, carefully check the alignment of
the flexible coupling, if one is used. A properly aligned
coupling will last a long time and provide trouble-free
mechanical operation.
Figure 3-1 Internal Boiler Pressure
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