Shut-Off Guns Models 21250B Series, 21255B, 21280B
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Shut-Off Guns Corrosion Resistant Non-Weep Guns: 21250B-4000-CR Non-Weep Guns: 21250B / 21280B Weep Guns: 21255B Description Qty Housing, Right Half 1 Housing, Left Half 1 Trigger, 21250B, 21280 1 Trigger, 21255B 1 Pin 1 Valve Body 1 Cam, Trigger 1 Guide Sleeve 1 O-ring 1 Control Bolt 1 Lock, 21250B, 21280 1 Lock, 21255B 1 Cap 1 Valve Spring 1 Valve Ball, 21250B, 21255B 1 Valve Ball, 21250B - 4000 - CR 1 Valve Ball, 21280 1 Valve Seat, 21250B, 21280 1 Valve Seat, 21255B 1 O-ring 2 Self Tapping Screw 7 Description Qty Spring 1 Discharge Tube/Fitting Assy. 1 Inlet Tube 1 Inlet Fitting 1 Inlet Tube and Fitting (21250B, 21255B, 21280B) 1 Inlet Tube and Fitting, 303 S.S. (21250B-4000 CR only) 1 Lock Pin 1 **Sold as an assembly - part number 21001 Sold as an assembly - part number 21001B

INSTALLATION & OPERATING INSTRUCTIONS OPERATING CONDITIONS DISASSEMBLY OF THE 21200 SERIES 1) Remove the seven self tapping screws (item #19) that secure the two halves of the housing together. Remove housings (items #1 and #2). 2) Drive out hinge pin (item #4) and remove trigger (item #3). 3) Remove the cap (item #13), springs (items #21 and #15), and ball (item #16). 4) Remove the guide sleeve (item #7), control bolt (item #10) and o-ring (item #8). Replace o-ring. 5) With a small dowel rod, drive-out the seats (#5) & o-ring (#18) from the guide sleeve part. Replace with new seat &...