ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
GENERAL MAINTENANCE
Butterfly Valve Replacement:
Parts (TM 10-4610-309-24P):
MF Main Feed Valve V-111
MF Upper Feed Inlet Valve V-112
MF Lower Feed Inlet Valve V-113
MF Upper Filtrate Valve V-201
MF Filtrate Flow Control Valve V-202
HP Pump Inlet Valve V-212
MF Upper Backwash Out Valve V-401
MF Lower Shell Out Valve V-402
Materials:
Clean, lint-free rags (WP 0079, Table 1, item 33)
Sealing compound (WP 0079, Table 1, item 35)
Five gallon bucket
Drip Pan
Equipment Condition:
TWPS in Standby Shutdown with Drain-Down
Replace any of the butterfly valves listed below as follows (see Figure 7):
- MF System: V-111, V-112, V-113, V-201, V-202, V-401, V-402
- High Pressure Pump Inlet Manual Valve V-212
1. Make sure the TWPS is in Standby Shutdown with Drain-Down. Refer to WP 0017.
2. Remove the butterfly valve assembly as follows:
a. Push the actuator swivel joint adapter collet in and pull the air hose out of the adapter.
b. Where possible place the five-gallon bucket or drip pan under the valve to be removed.
c. Remove the four lock nuts, four bolts, and eight flat washers that secure the butterfly
valve assembly to the TWPS. Separate the pipe flanges and remove the valve.
NOTE
Valve V-113 has hex nuts, lock washers, and threaded studs to secure the actuator
to the valve rather than the cap screws and lock washers used for the other valves.
3. Remove the four cap screws and four lock washers that hold the actuator to the butterfly valve
and remove the valve from the actuator.
4. Unthread the swivel joint adapter from the actuator.
SWIVEL JOINT ADAPTER
ACTUATOR
COLLET
WASHER
SHAFT ADAPTER
ADAPTER SLEEVE
AIR HOSE
VALVE
VALVE STEM BUSHING
PIPE FLANGE
NUT
BOLT
ACTUATOR CAP SCREWS
AND LOCK WASHERS
Figure 7. Butterfly Valve Replacement.
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