ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0045 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
GENERAL MAINTENANCE
3. Clean the pipe ends with a clean, lint-free rag and inspect for rust, corrosion and damage that
would prevent the pipe coupling from sealing.
4. Install a new pipe coupling as follows:
a. Insert the two gripper sections into the inner diameter of a gasket.
b. Insert the gasket into the gasket retainer.
c. Slide the retainer, gasket, and gripper assembly over one of the two pipe ends (retainer
side first).
d. Repeat a, b, and c for the other pipe end. One side must be pushed far enough on to
allow the pipe joint to clear the other pipe end.
e. Fit the pipe joint onto one pipe end. Move the pipes back into alignment.
f. Slide the assemblies at both ends up to the pipe joint so that both gaskets fit up against
the flanges of the pipe joint.
g. Position the clamps over the pipe joint flanges and gasket retainers and secure loosely
with a bolt and nut. When both are installed loosely, tighten the bolt and nut on both
clamps.
h. Tighten the pipe connections and pipe support clamps which were loosened to move the
pipes.
i. Spray the gasket retainers and clamps with the corrosion preventive compound.
j. Run the unit and check the joint for leaks.
Sanitary Clamp and Gasket Replacement:
Parts:
Sanitary Clamp (TM 10-4610-309-24P)
Sanitary Clamp Gasket (TM 10-4610-309-24P)
Materials:
Clean, dry lint-free rags (WP 0079, Table 1, item 23)
Equipment Condition:
TWPS in Standby Shutdown with Drain-Down
Replace a sanitary clamp and gasket as follows (see Figure 6):
1. Make sure the TWPS is in Standby Shutdown with Drain-Down. Refer to WP 0017.
2. Remove the sanitary clamp as follows:
a. Ensure that the section of piping where the sanitary clamp is to be replaced has been
depressurized and drained.
b. Unscrew the wing nut.
c. Lift the wing nut out of the notch in the clamp.
d. Open and remove the clamp and gasket from the pipe ends.
3. Clean the pipe end flanges with a clean, lint-free rag and inspect the piping and pipe flange
connections for rust, corrosion and damage that would prevent the sanitary clamp from sealing.
4. Install the sanitary clamp as follows:
a. Insert the new sanitary clamp gasket between the two pipe ends.
b. Open the new sanitary clamp and place it around the pipe end flanges and gasket.
c. Flip the wing nut over and insert it in the notch in the clamp.
d. Tighten the wing nut. Use a screwdriver in the slot to tighten. Tap with the hammer all
around and tighten again.
e. Run the unit and check the joint for leaks.
0045 00-6
