{"product_id":"wasp-injection-knife-valve-maintenance-kit","title":"Wasp Injection Knife Valve Maintenance Kit","description":"\u003ch2 dir=\"ltr\" class=\"mt-3 -mb-1 text-[1.375rem] font-bold\"\u003eWasp Injection Knife — Valve Maintenance Kit\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e 3 O-rings · 1 tube of Wasp Silicone Grease · 1 return spring · 1 snap ring\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhat you'll need:\u003c\/strong\u003e snap ring pliers · 5\/64\" Allen wrench · 4 mm open-end wrench · a small push pin · a Q-Tip\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e1. Teardown — opening the patient\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eHold the base of the valve with the 4 mm open-end wrench and back the button off with the Allen wrench. Then pull the old snap ring with the snap ring pliers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFor the old O-rings: slip the push pin underneath and pop them out. They're not going back in — no need to be gentle.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e2. New O-rings — bottom to top\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eGrease each O-ring generously with the Wasp Silicone Grease, then install the \u003cstrong\u003ebottom one first\u003c\/strong\u003e, stretching it down into the first groove. Middle next, top last, same method.\u003c\/p\u003e\n\u003cblockquote class=\"ml-2 border-l-4 border-[hsl(var(--border-300)\/0.1)] pl-4 text-text-300\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe order isn't a suggestion. Go the other way and you'll roll the ones you already seated right back out of their grooves.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e3. Spring and bore\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eGrease the end of the spring and drop it into the bottom of the valve. Then grease the bore of the valve cavity with a Q-Tip.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e4. Reassembly — the fiddly part\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFlip the knife upside down. Gravity does the work and the spring stays put.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003ePush the valve in while \u003cstrong\u003etwisting\u003c\/strong\u003e it. You'll feel it pass the snap ring groove — keep going until it bottoms out.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eDon't skip this check:\u003c\/strong\u003e push the valve up and down. It should spring back out easily, no binding. If it drags, an O-ring isn't seated — better to find that now than underwater.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e5. Snap ring — the trick that makes it easy\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003ePush the snap ring \u003cem\u003epast\u003c\/em\u003e the groove, thread the button on temporarily, then pull up on the valve. The ring snaps into place on its own.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eTighten the button for good with the open-end wrench and Allen wrench.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003e6. Final check\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eLoad a CO2 cartridge and test for correct operation.\u003c\/p\u003e","brand":"ZAPOTRON","offers":[{"title":"Default Title","offer_id":53470783176970,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/6317\/7482\/files\/accesoir_knif-removebg-preview.png?v=1785803393","url":"https:\/\/zapotron.com\/products\/wasp-injection-knife-valve-maintenance-kit","provider":"ZAPOTRON","version":"1.0","type":"link"}