OPERATOR/ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
OPERATOR AND ORGANIZATIONAL MAINTENANCE
3-1. GENERAL. Maintain the outside of the shelter in accordance
with TM 11-5410-213-14P. Maintain the air conditioner/heater in
accordance with TM 5-4120-274-15. Check the level indicators daily
to maintain the shelter in proper position. Clean the stainless
steel surface of drainboards, constant temperature baths, desiccating
cabinet, and similar equipment by washing with a water-damp cloth and
polishing with a dry cloth. Refer to table 3-1 for preventive
maintenance checks and services.
3-2. ELECTRICAL SYSTEM. A troubleshooting chart for the electrical
3-3. WATER SYSTEM.
a. Water Pump.
The water pump needs no lubrication.
b. Water Tank. To clean the tank, remove the screws from the
lid, remove the drain plug and allow the water remaining in the tank
to drain into a suitable container. Wipe any dirt or silt from the
tank with a clean cloth, and flush with clean water.
Before-Operation Service. Check piping for leaks or loose-
ness. Make sure that the outlet valves are closed and that the tank
contains sufficient water. Check the electrical connection to the
d. During-Operation Service. Inspect the pump and motor as-
sembly, being alert for unusual noises or smells that could indicate
malfunction. Check the pump for leaks at the shaft. If the packing
nut must be tightened, tighten it while the motor is operating and
tighten it just enough to stop the leak; overtightening the nut could
cause motor damage. Check the water piping for leaks and make sure
that the faucet delivers full flow when open and does not leak when
e. After-Operation Service. Refill the tank with potable water.
Inspect motor, tank, pressure switch and piping for leaks.
Make necessary repairs.
f. Troubleshooting. A troubleshooting chart for the water
system is listed in table 3-3.
a. General. Maintenance of the air system requires a periodic
inspection of piping, fittings and components for leaks and looseness
of component mounting. Make an inspection and make needed repairs
prior to starting a test requiring this system.