ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0070 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
DIRECT SUPPORT MAINTENANCE PROCEDURES
REVERSE OSMOSIS SYSTEM
6. Disconnect the power cables from RO Feed Tank Heaters H-1 and H-2 as follows (see Figure 6):
a. Remove the four screws from the heater cap and remove the cap from the terminal box.
b. Tag and disconnect the 3 phase-wires and the ground wire from the heater terminals.
c. Unscrew the lock nut inside the terminal box from the 45-degree box connector.
d. Pull the connector and conduit as an assembly out of the terminal box. Retain the
packing/retainer.
RO FEED TANK
RO FEED TANK
HEATER H-2
RO FEED TANK
HEATER H-1
POWER CABLE
SCREW
HEATER TERMINALS
LOCK NUT
HEATER CAP
PACKING/RETAINER
PHASE WIRES
GROUND WIRE
45 DEGREE BOX CONNECTOR
CONDUIT
Figure 6. Heater Cable Removal.
0070 00-7
