ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0045 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
GENERAL MAINTENANCE
Grooved Couplings Replacement:
Parts:
Grooved Flexible Coupling with Vic-Plus Gasket System (TM 10-4610-309-24P)
Vic-Plus Gasket System (TM 10-4610-309-24P)
Materials:
Clean, dry, lint-free rags (WP 0079, Table 1, item 23)
Five-gallon container or drip pan
Glycerin (BII) (WP 0079, Table 1, item 14)
Equipment Condition:
TWPS in Standby Shutdown with Drain-Down
Replace a grooved flexible coupling and gasket as follows (see Figure 4):
1. Make sure the TWPS is in Standby Shutdown with Drain-Down. Refer to WP 0017.
2. Remove the grooved flexible coupling as follows:
a. Place a fluid container under the coupling to catch any fluid in the line.
b. Slowly loosen the nuts and bolts that hold the coupling in place.
c. Completely remove the nuts and bolts and then remove the flexible coupling and gasket.
COUPLING
PIPE END
BOLT
GASKET
NUT
Figure 4. Grooved Flexible Coupling and Gasket.
3. Using clean, lint-free rags, clean and inspect the area where the coupling connects and check it
for obvious signs of cracks and damage.
4. Install the new grooved flexible coupling and gasket as follows:
a. Lubricate the gasket and pipe ends with glycerin. Place the new gasket around the two
pipe halves.
b. Make sure that the gasket does not slide into the grooves on either of the pipe ends.
0045 00-4
