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SECOND STAGE REGULATOR DISASSEMBLY All repair procedures assume that the regulator is disas- sembled from the apparatus and facepiece. To do this: • Be sure the cylinder valve is completely closed. • Disconnect the regulator from the facepiece. 2. Lift up on the spring •...
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SECOND STAGE REGULATOR DISASSEMBLY 4. Remove the red bypass 8. Inspect the screen handwheel. Slide the inside the bypass body. handwheel back off the If dirty, all dirt and for- bypass body to reveal eign matter must be the U-clip in the bypass removed before reusing body.
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SECOND STAGE REGULATOR REASSEMBLY NORMAL VALVE FORK HEIGHT RANGE The required valve fork height range corresponds to the top surface of the RAISED CYLINDER valve fork at any position WITH GROOVE along the raised cylinder. BASE INSPECTION/ADJUSTMENT • Place the large base of the Lever Height Gauge on the Normal flat area of the valve assembly body under the valve Height...
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SECOND STAGE REGULATOR REASSEMBLY ADJUSTING THE VALVE FORK HEIGHT FOR PROPER ADJUSTMENT FOR VALVE FORK MINIMUM RANGE PERFORMANCE Note: All calibrations will be performed with the bypass handwheel facing away and with the valve fork’s slots fac- ing in. The regulator must be depressurized. Ensure the U-clip holding the bypass and hose assem- bly in the regulator housing is not removed or lost.
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SECOND STAGE REGULATOR REASSEMBLY DISASSEMBLING THE REGULATOR HOUSING QC BUTTON AND SLIDE BUTTON 4. Insert the bypass body into the regulator hous- 1. Remove the old O- ing bypass port. rings. Be careful not to damage the O-ring seal area. 5.
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SECOND STAGE REGULATOR REASSEMBLY INSTALLATION 3. Push regulator cover and spring onto regulator hous- ing. Installing Spring into the New Solid Regulator Cover Note: New Solid Regulator Cover does not use a spring retainer. Double check proper engagement by lifting on regula- tor cover to ensure that the regulator cover is securely attached to the regulator housing.
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SECOND STAGE REGULATOR REASSEMBLY 8. Insert the bypass body and hose assembly 4. Roll a new O-ring into into the regulator hous- the first groove of the ing so that the bypass hose swivel. body tabs are lined up with the slots in the bypass insert.
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SECOND STAGE REGULATOR REASSEMBLY REASSEMBLING THE REGULATOR HOUSING QC BUTTON AND SLIDE BUTTONS 1. Apply a light film of Christo-Lube lubricant to the new O-rings. 6. Insert the U-clip into 2. Install new O-rings on the button’s post. the regulator housing. Note: With the red bypass handwheel facing you and the cap facing up, the slide button is to the left and the hous- ing button is to the right.
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