If auxiliary power is not available, drain all water from entire system.
Stop heater no. 1.
Open all vents and drains inside the van.
Open the high pressure pump drains and drain valve by discharge accumulator.
Disconnect the discharge hose at the cyclone separator outlet manifold. When water drainage slows, disconnect all
hose sections and walk out the water. Leave van cap off.
Open the raw water pump drain and disconnect the pump discharge hose and separator inlet manifold hose.
Remove and walk out waste hose sections. Leave van cap off.
Disconnect distribution pump and hoses Open pump drain. Open dispensing nozzles and walk out hoses. Remove
product hose sections and product shut-off valve. Leave van cap off.
Drain product tanks.
Drain and air purge the media filter (para. 2-31h).
If on an NBC mission, drain and air purge the NBC filter (para. 2-33h).
Air purge the chemical systems (para. 2-22c (1) and 2-23h).
Shut off diesel heater no. 2 after no longer than one hour.
As a temporary measure, 24 VDC can be provided by a vehicle 24 VDC slave connection and
cables. Connect the slave cable from the vehicle to the generator 24 VDC connector. Keep
vehicle engine running.
2-32. OPERATION IN SANDY AND DUSTY AREAS (ARID/DESERT ENVIRONMENT).
Keep all lubricants tightly sealed and all lubrication points clean. Lubricate more often.
Keep unit doors closed as often as possible.
Clean sand and dust off unit, inside and out, as often as possible.
Desert soil/sands have low moisture content making low resistance grounding difficult. Refer to FM20-31 and TC 11-6.
Keep storage tanks well sealed.
Do not use water to clean sand off electrical connectors. Electrocution or arcing could
occur. Use compressed air to clean away packed sand.
Clean sand and dust from nozzle, hose connections, plugs and fittings as often as possible.
Ensure lids on chemical feed tanks are tightly closed.
Keep electrical control cabinets well sealed.
Keep covers on high pressure pumps at all times.
Change 12 2-151