Cashco Premier Manuel d'utilisateur

I. DESCRIPTION AND SCOPEModels 148D and 148R are multi-spring, single acting, spring opposed, rotary ac tu a tors used with Cashco rotary control val

IOM-1481010. Reorient body assembly (BA) with respect to the actuator assembly (AA). Rejoin the body assembly (BA) to the actuator assembly (AA) as d

IOM-14811LOADVENTCLOSEOPENRotation4. Loosen all casing (1,2) fl ange bolting (27, 28, 41, 42) two revolutions. Pry apart the casings (1,2) if “stuck”

IOM-1481215. Place a light coating of graphite powder lu bri- cant, Dow-Corning “Molycote” (dry mo lyb de- num disulfi de) or equal, on the skirted ar

IOM-14813gland (67) and rotate CCW (viewed from above) to removal of the manual handwheel operator sub-assembly (MHWO).6. Place the sub-assembly (MHW

IOM-14814tially a complete actuator (AA) disassembly. It is rec om mend ed that the range spring (11) re place ment should include:a. diaphragm (6) r

IOM-1481511. Aligning matchmarks of Article 7. above, re po si tion piston (3) back onto top side of range spring (11) array. Using a mirror tool and

IOM-14816at least one bolt hole of the yoke (12) with one bolt hole in the arm housing (4). Insert one cap screw (24) from behind the yoke’s (12) bolt

IOM-14817key wrench until fi rmly tight. NOTE: Ensure that cover plate (13) is shouldered properly into position on back side.20A. Units (AA, BA) with

IOM-14818VI. CALIBRATIONA. General:1. This section covers calibration of the actuator as sem bly (AA) to a Ranger QCT, Premier EZO, or Premier Unline

IOM-14819 Unequal engagement adjustment of rod ends (8,9) and push rod (10) can cause failure of a rod end (8,9)-to-push rod (10) connection.a.

IOM-1482TABLE 1ACTUATOR MODEL NO. vs. VALVE BODY MODEL(Model 48 included for clarity)III. INSTALLATIONA. Orientation:1. Recommended actuator major ax

IOM-14820val ue), the length of the actuator stem sub-as sem bly (8, 9, 10, 43, 43, 43, 44, 54) must be short ened. Re peat pro ce dure from Article 5

IOM-14821(9); nut (44) is “left-handed”.u. For Premier EZO and Premier Unlined ONLY. Ref er ence VI.C.2. for procedure to adjust downtravel stop scre

IOM-14822Product ModelGap Between L.H. Rod End (9) and Downtravel Stop Screw (35)Ranger QCT 1/8” ± 1/16” (3.0 mm ± 1.5 mm)Premier EZO 1/16” ± 1/16” (1

IOM-14823ADJUSTING SCREW ASSEMBLYNot availabe on Air to Close-Fail Open RangersACTUATOR PLUGAvailable on Premier Butterfl y Valves ONLYSECTION “A-A”148

POSITIONERAir-To-OpenSTOP SCREWAIR SUPPLY REGULATORSOLENOID VALVE 73N-B POSITIONER ITEM NO. DESCRIPTION 72 Feedback Linkage Subassembly 73 Feed

IOM-14833. A 1/4"–NPT female connection for pneumatic LOAD is located on the side of the actuator’s upper diaphragm casing near the casing fl ang

IOM-1484Valve Body Size Actuator Model No.*Failure ActionBenchset Range Supply Pressure Qty of Range Springsin.(DN)psig (Barg) psig (Barg)1”, 1-1/2” &

IOM-1485V. MAINTENANCEA. General:1. Hereafter, all maintenance, disassembly, etc., is as sumed to be done in an indoor shop.2. Most actuators are a

IOM-14864. For ATO-FC valve action, it is necessary to remove “stem windup” - use either a. or b.a. Rotate manual handwheel operator (MHWO) handwhee

IOM-1487FIGURE 6:ORIENTATION – RANGER QCT ACTUATOR MOUNTING POSITIONSWITH MODEL 73 P/P POSITIONERNOTES: 1. Flangeless valve design indicated; integr

IOM-1488FIGURE 7:ORIENTATION – RANGER QCT/PREMIER ACTUATOR MOUNTING POSITIONSWITH MODELS 9540R P/P or 991 or PS2 I/P POSITIONERSNOTES: 1. Flangeless

IOM-1489FIGURE 8PREMIER ACTUATOR MOUNTING POSITIONS – 73 Position "A" is standard for fail closed action. Position "B" is stan dar