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
POSITION INDICATOR
JAM NUT ON
STRAIGHT UP
TOP STOP SCREW
FULLY OPEN
POSITION INDICATOR
AT 45 DEGREES TO
LIMIT STOP BODY
BOTTOM
THE RIGHT OF OPEN
JAM NUT
STOP SCREW
Figure 13. Limit Stop Stop-Screw Adjustment.
7. Check the butterfly valve for leaks and proper operation.
Actuator (with Mechanical Position Indicator) Replacement:
Parts (TM 10-4610-309-24P):
Actuator P/N MRP-004U-K-S080 or MRP-004U-K-S081(on MF Lower Shell Out Valve V-402)
Actuator P/N MRP-004U-K-S081 (on MF Upper Feed Inlet Valve V-112 and MF Upper Filtrate
Valve V-201)
Actuator P/N MRP-009U-K-S080 (on MF Lower Feed Inlet Valve V-113)
Actuator P/N MRP-009U-K-S080 or MRP-009U-K-S081(on MF Upper Backwash Valve V-401)
Actuator P/N MRP-009U-K-S081 (on MF Main Feed Valve V-111)
Materials:
Clean, lint-free rags (WP 0079, Table 1, item 33)
Equipment Condition:
TWPS in Standby Shutdown with Drain-Down
Replace any of the actuators with a mechanical position indicator as follows:
NOTE
Actuators with a mechanical position indicator comes in two sizes on the TWPS.
Removal and replacement procedures are the same for both sizes.
1.
Make sure the TWPS is in Standby Shutdown with Drain-Down. Refer to WP 0017.
2.
Remove the butterfly valve assembly. Refer to Butterfly Valve Replacement.
3.
Remove the actuator from the butterfly valve. Refer to Butterfly Valve Replacement.
4.
Install the new actuator onto the valve and install the valve actuator assembly. Refer to Butterfly
Valve Replacement.
5. Run the unit and check the actuator and valve for leaks and proper operation.
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