ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0054 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR SYSTEM, HIGH PRESSURE
9. Remove the waste out pipe spool from in front of the air receiver tank as follows (see Figure 13):
a. Disconnect the 4-in. x 5-ft. suction hose from the waste outlet (1).
b. Remove 4 hose clamps (2) from the 2-in. rubber hose in the RO Feed Tank Drain Pipe.
c. Remove RO Feed Tank Drain Valve V-412 (3) with the straight pipes on both sides of the
valve.
d. Remove the drain elbow with its 3 in. nipple (4) from the waste out pipe spool.
e. Remove the two sanitary clamps and straight pipe (5) from the pipe spool upstream from
MF Lower Shell Out Valve V-402.
f. Disconnect the air tube from the MF Lower Shell Out Valve V-402 actuator (6) (see WP
g. Remove MF Lower Shell Out Valve V-402 (6) and pipe elbow (7) (4 bolts, 8 washers, 4
nuts).
h. Loosen the pipe coupling on the MF upper shell reject pipe spool (8) and push the
coupling all the way down the lower pipe. Even pressure on both sides of the gasket (8A)
makes it easier to slide the coupling down.
i. Remove the grooved coupling (9) from the RO reject pipe spool.
j. Remove the air tube from Shell Backwash Upper Outlet Valve V-401 (10) (see WP 0066).
k. Remove the flex strut pipe support (11) to the right of valve V-401.
l. Remove the sanitary clamp (12) to the right of the flex strut pipe support that was just
removed.
m. Lift out the MF Upper Reject Pipe Spool (13) with valve V-401 (10).
n. Remove the three flex strut pipe supports (14) that secure the waste out pipe spool to the
floor of the TWPS.
WARNING
Two person lift. Two people are required to safely lift the waste out pipe spool.
Failure to observe this warning may result in injury.
NOTE
Lift or elevate the right end of the waste out pipe spool to assist in removal.
10. Remove the air receiver tank from the TWPS as follows (see Figure 13):
WARNING
Make sure the air system has been bled. Failure to bleed all pressure from the
system may result in personal injury or damage to the equipment.
a. Disconnect the air hose from Air Receiver Tank Shut-Off Valve V-907 (15).
b. Remove the front bolts and washers (16) from the two bands that secure the air receiver
tank to the floor of the TWPS.
c. Remove the rear bolt and washer (17) from the band closest to the valve end of the air
receiver tank and remove the band (18) and upper rubber cushion (19).
WARNING
Two person lift. Two people are required to safely lift the air receiver tank. Failure
to observe this warning may result in injury.
0054 00-18
