HTRUNITSMHWTR-A Heaters, Unit (Steam and Hot Water) - Annual

                                                     Man Hours 1
Items to Check & Initial Completion:

1. ___ Clean strainer ahead of valve.  Check valve head and seats for wear and
2. ___ Replace valve if seats need regrinding.  Send old valve to manufacturer
       for overhaul.
3. ___ Steam quality should be examined for foreign matter if valves are being
4. ___ Check steam gauges.
5. ___ Check pop safety or pressure relief valve for relieving and seating.
6. ___ Check diaphragms for failure.
7. ___ Check binding of valve stem.
8. ___ Clean and adjust heater deflector fins and element.
9. ___ Clean fan and lubricate motor.
10.___ Adjust weighted lever or spring control tension.
11.___ Clean up work site.

Tools & Materials:

1.  Standard Tool Kit
    Plus Pipe wrenches to 24"
         Tubing cutters
         Flaring tool
         Small acetylene outfit
         Packing tool kit and packing
         3/4" socket set
         Crescent wrenches to 14"
2.  Fin comb
3.  Vacuum
4.  Lubricants.  Consult the Material Safety Data Sheets (MSDS) for hazardous
    ingredients and proper personal protective equipment (PPE).

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