Lesson 2/Learning Event 1
Step 11. During M2 Water Heater operation, see that the gages work and are
reading correctly:
Water Pressure Gage: 60 - 120 psi
Fuel Pressure Gage:
At start-up only, 60 - 75 psi, depending on
fuel type. During operation, it may be lower or higher.
Water Temperature Gage: 49 F. - 190 F.
Step 12.
Check the pump for leakage, unusual noises, and vibrations.
Drain, flush, and clean. Lubricate as appropriate.
After-operation Services.
Use the
following
steps
to
perform
after-
operation services on the pump unit.
Step 1. Lubricate the valves as appropriate.
Clean if needed and replace
caps. Open the pump-drain valve.
Step 2.
See that the tools and accessories are present, cleaned, and
stored.
Step 3.
Install the cover panels and all canvas covers.
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