TM  10-4610-241-24 TO  40W  4-13-42 (4) MAINTENANCE   LEVEL (1) (2) (3) UNIT DS GS DEPOT (5) (6) GROUP COMPONENT/ MAINTENANCE TOOLS& RE- NUMBER ASSEMBLY FUNCTION EQUIP. MARKS C O F H D DIFF  PRESSURE  GAGE INSPECT 0.1 REPLACE 1.0 4 •  •  FLOWMETER  (BRINE INSPECT 0.1 WATER) REPLACE 1.0 4 •  •  NEEDLE  VALVE  (PRODUCT INSPECT 0.1 WATER  REGULATING) REPLACE 1.0 4 • • DIFF PRESS GAGE (R.O. INSPECT 0.1 VESSELS) REPLACE 0.5 4 •  •  2-WAY  VALVE  (ON-OFF) INSPECT 0.1 REPLACE 0.5 4 •  •  BALL  VALVE  (DRAIN) INSPECT 0.1 REPLACE 1.0 4 •  •  3-WAY  BALL  VALVE INSPECT 0.1 (BACKWASH) REPLACE 1.0 4 REPAIR 1.5 4 B •  •  CHECK  VALVE INSPECT 0.1 (BACK\WASH) REPLACE 1.0 4 •  •  VACUUM  BREAKER INSPECT 0.1 REPLACE 1.0 4 •  •  DIFF.  PRESS.  GAGE  (MULTI- INSPECT 0.1 MEDIA  FILTER) REPLACE 1.0 4 •   •   FLOWMETER   (BACKWASH) INSPECT 0.1 REPLACE 1.0 4 •  •  PRESSURE  GAGE  (R.O.) INSPECT 0.1 REPLACE 1.0 4 •  •  RELIEF  VALVE INSPECT 0.1 REPLACE 0.5 4 •  •  ELLIPTIC  VALVE INSPECT 0.1 REPLACE 1.0 4 •  •  3-WAY  BALL  VALVE INSPECT 0.1 (CHEMICAL  FEED) REPLACE 0.5 4 1204 •  ELECTRICAL  INSTALLATION •  •  CABLE  ASSEMBLY,  W41  (R.O. INSPECT 0.1 PUMP) TEST 1.0 3 REPLACE 0.5 4 REPAIR 2.0 3,4 •  •  CABLE  ASSEMBLY  W52 INSPECT 0.1 (JUNCTION BOX) TEST 1.0 3 REPLACE 0.5 4 REPAIR 3.0 3,4 Change 1    B-7