13-12 Shutdown procedures
13-12.1 Normal shutdown
Stop HP pump as follows:
Depress inner button on speed control and push forward to idle setting.
Open throttling valve RO7 and RO20 to allow product water to flow overboard through void 3 port
overboard discharge and close valve RO1 5 to stop product water from flowing to drinking water storage
Do not Immediately stop engine. Operating engine for 5 minutes at low idle allows
hot areas of engine to cool and turbo charger to slow while maintaining oil
pressure in the turbine shaft.
Idle engine for about 5 minutes.
Push shutdown lever forward to stop engine (Figure 13-7, 1 of 2).
Stop coagulant pump by turning ON/OFF switch to OFF (Figure 13-6).
Stop inhibitor pump by turning ON/OFF switch to OFF (Figure 13-6).
Stop seawater pump by turning OFF/ON/START switch to OFF (Figure 13-6).
Perform following after operation checks.
Wipe components clean, especially pressure gauges, flowmeters, indicators, and control panels.
Check for leaks, paying special attention to all joints, valves, fittings, and piping. Report uncorrectable
leaks to shift leader so that repairs can be ordered.
Check for damage, especially to pressure gauges, flowmeters, indicators, and control panels.
Check for loose or missing securements and fasteners. Tighten or replace as necessary.
Check wiring for loose connections and frayed cables.
If required, backwash media filters according to paragraph 4-14.2 in TM 55-1930-209-14&P-3.
If required, dean RO block membranes according to paragraph 4-14.4.2 in TM 55-1930-209-14&P-3.
If required, replace cartridge filter elements according to paragraph 4-14.1.2.
Make sure coagulant and inhibitor drums contain at least 2 or 3 gallons of liquid each. If not, replace drum
according to paragraph 4-14.1.3 in TM 55-1930-209-14&P-3.
Make sure membrane cleaning agent (Hydrakleen-20) drums are full. If not, replace according to
paragraph 4-14.4.3 in TM 55-1930-209-14&P-3.
Check HP pump assembly as follows:
Check diesel engine crankcase. If oil level on dipstick (Figure 13-13) indicates ADD, add oil until
level is between FULL and ADD.
Check pump lubricant level. If oil level in sight glass (Figure 13-13) is below MIN line, add lubricant
according to paragraph 4-14.3.9 in TM 55-1930-209-14&P-3.
Check power takeoff lubricant. If dipstick indicates ADD, add oil according to paragraph 4-14.3.14 in
TM 55-1930-209-14 & P-3.