Section VI. PREPARATION FOR STORAGE

TM 55-1905-223-24-17

2-37. Extended Shutdown or Storage. If, for any reason other than seasonal requirements, the operating

equipment in the environmental control subsystem (HVAC) is shut down for a period exceeding 1 year, the

maintenance procedures in step a. below must be performed. Maintenance procedures and requirements for

equipment startup after extended shutdown are given in step b.

a. Extended shutdown of operating equipment.

(1) Heating equipment (DH/UH/CH):

(a) Perform all Daily, Monthly, and Annual PMCS schedules (Table 2-1).

(b) Turn electrical power OFF and tag "Out of Service."

(2) Ventilation Fans (SF/EF):

(a) Perform all Daily, Monthly, Semi-Annual and Annual PMCS schedules (Table 2-1).

(b) Turn electrical power OFF and tag "Out of Service."

(3) Air Conditioners (A/C):

(a) Perform all Daily, Monthly, Bi-Monthly, Semi-Annual, and Annual PMCS schedules (Table 2-1).

(b) Turn electrical power OFF and tag "Out of Service."

b. Startup of equipment after extended shutdown/storage.

(1) Heating equipment (DH/UH/CH):

(a) Conduct pre-inspection and service (paragraph 2-9a).

(b) Start and run heater to check operation (paragraph 2-9a).

(2) Ventilation Fans (SF/EF):

(a) Conduct pre-inspection and service (paragraph 2-9b).

(b) Start and run fan to check operation (paragraph 2-9b).

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