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CARE AND MAINTENANCE INSTRUCTIONS Introduction The following are care and maintenance instructions for the Gulp hand pump series. The 36” and 21” Gulp as well as the Syringe models can be completely disassembled and cleaned after each use particularly when used in excessively muddy, gravely water. Cleaning and Care Instructions The top and bottom portions of the hand-pumps can be loosened in counter-clockwise manner from the pump cylinder as shown in Figure 1-1.
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Verify the wiper seal is in good condition and is not worn. Replace as needed. Lastly before threading the bottom cap onto the cylinder, verify the flapper-valve is flat and not curled. Re-assemble both ends and hand-tighten only. Your Gulp is now ready to work as hard as you.