ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0052 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
REVERSE OSMOSIS SYSTEM
Replace Pressure Recovery Turbocharger PRT-1 as follows:
WARNING
The TWPS must be in Shutdown and the TQG and TWPS main breaker must be off
(Army) or the TWPS disconnected from its power source (Marine Corps) prior to
removing or installing Pressure Recovery Turbocharger PRT-1. Failure to observe
this warning can result in injury or damage to equipment.
1. Remove Pressure Recovery Turbocharger PRT-1 from the TWPS as follows (see Figure 13):
a. Make sure the TWPS is in Standby Shutdown With Drain-Down.
b. Open the turbocharger reject drain valve V-410.
c. Open the turbocharger feed drain valve V-303.
d. Remove the four grooved couplings that secure the inlet and outlet connections of the
turbocharger to the RO feed and reject inlet and outlet pipes. Push the gaskets back
onto the pipe ends.
e. Remove the second grooved coupling from the "S" shaped pipe between the RO vessel
#5 reject outlet and the turbocharger. Remove the pipe and lay aside.
f. Remove the two turbocharger plastic drain tubes (see Figure 14).
g. Remove the four lock nuts and flat washers from the threaded studs that secure the
turbocharger base plate to the TWPS floor.
h. Remove the turbocharger valve bracket and set aside (see Figure 14).
i. Lift the turbocharger assembly off of the studs and remove it from the TWPS.
TURBOCHARGER
GROOVED COUPLING
FEED SIDE
GROOVED COUPLING
DRAIN VALVE V-303
REJECT SIDE
DRAIN VALVE V-410
GROOVED COUPLING
LOCK NUT, FLAT WASHER,
AND BASE PLATE
RO VESSEL #5
S-SHAPED PIPE
GROOVED COUPLING
Figure 13. Removal of Pressure Recovery Turbocharger PRT-1 from the TWPS.
0052 00-18
