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Modco Industries LLC, 10650 FM 1484 Conroe, TX  77301 / Phone:  936-539-9222 / FAX:  936-622-6818 

 

 

 

MODCO CLOSURES 

Operation, Maintenance & Welding Instructions 

 

 

 

MODCO FIGURE 500 HINGED CLOSURES  

 

Summary of Contents for FIGURE 500

Page 1: ...Modco Industries LLC 10650 FM 1484 Conroe TX 77301 Phone 936 539 9222 FAX 936 622 6818 MODCO CLOSURES Operation Maintenance Welding Instructions MODCO FIGURE 500 HINGED CLOSURES ...

Page 2: ...E 1 TO CHECK PARALLEL ALIGNMENT OF CAP TO SUB UNSCREW CAP FROM SUB AND PULL CAP BACK A FEW INCHES TO CHECK FOR PARALLEL ALIGNMENT OF CAP TO SUB TO ADJUST THE PARALLEL ALIGNMENT LOOSEN THE SET COLLARS LOCATED ON THE CAP CENTER PIN EITHER SIDE OF HINGE ARM IF CAP TILTS INWARD AT TOP OF SUB MOVE THE HINGE ARM ALONG THE CAP CENTER PIN TOWARD THE CAP IF CAP TILTS OUTWARD AT TOP OF SUB MOVE THE HINGE AR...

Page 3: ...S ACROSS CAP AND SUB TO FEEL CAP MOVEMENT MARK ARROWS ON BACK OF CAP AND SUB TO INDICATE POINT AT WHICH THREADS ARE FULLY ENGAGED AND THERE IS METAL TO METAL CONTACT BETWEEN CAP AND SUB THESE REFERENCE ARROWS CAN BE USED ON ALL FUTURE OPENINGS AND MAKE UP CLOSURE C OPERATION 1 CLOSING TIGHTEN CAP ONTO SUB USING ACTUATOR DEVICE IMPORTANT DO NOT ATTEMPT TO TIGHTEN CAP UNDER PRESSURE AFTER CLOSURE IS...

Page 4: ...N O RING O RING GROOVE SUB FACE CAP SEALING FACE AND LUBRICATE THOURGHLY 2 AT REGULAR INTERVALS a LUBRICATE THROUGH GREASE ZERKS ON CAP CENTER PIN BUSHING JIB COLUMN HOUSING AND TROLLEY WHEELS b LUBRICATE ACTUATOR DEVICE THREADS E O RING INFORMATION THE MODCO O RING IS SPECIALLY DESIGNED FOR MODCO CLOSURES THE O RINGS ARE DIE MOLDED FROM A CONTINUOUS MOLD TO AN EXACT CROSS SECTION DIMENSION TO FIT...

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Page 6: ...ES 16 THRU 48 SIZES POSITION THE JIB COLUMN HOUSING AT 12 O CLOCK CENTER ON TOP OF SUB AND BE SURE THAT SUB FACE IS PERFECTLY VERTICAL 4 TACK WELD SUB EVERY 4 TO 6 INCHES AROUND CIRCUMFERANCE AND RE CHECK VERTICAL POSITION OF SUB FACE 5 CAP MY BE SCREWED ONTO SUB TO PROTECT SUB THREADS FROM WELDING SPLATTER AND FOREIGN PARTICLES OPTIONAL 6 AS A PRECAUTION AGAINST SUB DISTORION DURING WELDING IT IS...

Page 7: ...DURE MAY BE USED TO BLUE CHECK THE SEALING SURFACES 1 APPLY EVEN LAYER OF NON DRYING PRUSSIAN BLUE TO THE CAP SEALING SURFACE 2 SCREW CAP ONTO SUB TIGHT BY USING ACTUATOR DEVICE 3 REMOVE CAP AND CHECK FOR CONTINUOUS TRACE OF BLUEING ON O RING LANDS OF SUB FACE 9 LUBRICATE O RING AND REPLACE IN GROOVE IN SUB FACE 10 IMPORTANT FOR VESSELS OR BARRELS THAT REQUIRE POST HEAT TREATMENT AND STRESS RELEIV...

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