{"product_id":"asab-ddp42-replacement-parts-36-sequential-cover","title":"ASAB DDP42 Replacement Parts #36 - Sequential Cover","description":"\u003cp data-start=\"0\" data-end=\"29\"\u003e\u003cstrong\u003ePart Code: ASAB-SDDP42-36\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"31\" data-end=\"412\"\u003eIntroducing the \u003cstrong data-start=\"47\" data-end=\"78\"\u003eASAB DDP42 Sequential Cover\u003c\/strong\u003e — a dedicated cover component designed to protect and retain the \u003cstrong data-start=\"144\" data-end=\"184\"\u003esequential (air valve\/shift) section\u003c\/strong\u003e on \u003cstrong data-start=\"188\" data-end=\"225\"\u003eASAB DDP42 double diaphragm pumps\u003c\/strong\u003e. This cover helps keep the air-end internals sealed up, aligned, and protected from job-site dust, overspray, and impact — supporting consistent shifting and reliable cycling under load.\u003c\/p\u003e\n\u003cp data-start=\"414\" data-end=\"817\"\u003eA damaged, warped, or cracked sequential cover can lead to headaches like \u003cstrong data-start=\"488\" data-end=\"583\"\u003eair leaks, poor shifting, erratic cycling, or contamination getting into the air valve area\u003c\/strong\u003e, which then snowballs into stalling and inconsistent performance. Replacing the cover is the right move when sealing faces won’t clean up, threads are damaged, or the pump has been knocked around and won’t stay tight after servicing.\u003c\/p\u003e\n\u003cp data-start=\"819\" data-end=\"1058\"\u003eWhether you’re doing a full air-end rebuild, fixing persistent air leaks, or restoring a pump that’s started hunting\/stalling, the \u003cstrong data-start=\"950\" data-end=\"968\"\u003eASAB-SDDP42-36\u003c\/strong\u003e is a workshop-ready solution to keep your DDP42 air-end protected and operating properly.\u003c\/p\u003e\n\u003ch2 data-start=\"1065\" data-end=\"1080\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1082\" data-end=\"1584\"\u003e\n\u003cli data-start=\"1082\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1084\" data-end=\"1144\"\u003e\u003cstrong data-start=\"1084\" data-end=\"1123\"\u003eDirect replacement sequential cover\u003c\/strong\u003e for \u003cstrong data-start=\"1128\" data-end=\"1142\"\u003eASAB DDP42\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1212\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1212\"\u003eProtects air-end internals from \u003cstrong data-start=\"1179\" data-end=\"1210\"\u003edust, overspray, and impact\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1213\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1215\" data-end=\"1295\"\u003eSupports proper \u003cstrong data-start=\"1231\" data-end=\"1258\"\u003eretention and alignment\u003c\/strong\u003e of sequential\/air valve components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1375\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1375\"\u003eHelps prevent \u003cstrong data-start=\"1312\" data-end=\"1325\"\u003eair leaks\u003c\/strong\u003e caused by warped or damaged cover sealing faces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1376\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1378\" data-end=\"1479\"\u003eCan resolve issues linked to contamination and poor sealing: \u003cstrong data-start=\"1439\" data-end=\"1477\"\u003eerratic cycling, stalling, hunting\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1533\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1533\"\u003eIdeal for \u003cstrong data-start=\"1492\" data-end=\"1512\"\u003eair-end rebuilds\u003c\/strong\u003e and major services\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1534\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1584\"\u003eBuilt for commercial workshop and job-site use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1591\" data-end=\"1609\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1611\" data-end=\"1660\"\u003e\n\u003cli data-start=\"1611\" data-end=\"1660\"\u003e\n\u003cp data-start=\"1613\" data-end=\"1660\"\u003e\u003cstrong data-start=\"1613\" data-end=\"1639\"\u003eDDP42 Sequential Cover\u003c\/strong\u003e — \u003cstrong data-start=\"1642\" data-end=\"1660\"\u003eASAB-SDDP42-36\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1667\" data-end=\"1684\"\u003eSafety Check\u003c\/h2\u003e\n\u003cul data-start=\"1686\" data-end=\"2493\"\u003e\n\u003cli data-start=\"1686\" data-end=\"1831\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1831\"\u003e\u003cstrong data-start=\"1688\" data-end=\"1723\"\u003eIsolate and depressurise first:\u003c\/strong\u003e Shut off air supply, bleed the airline fully, and confirm the pump is not pressurised before disassembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1832\" data-end=\"1972\"\u003e\n\u003cp data-start=\"1834\" data-end=\"1972\"\u003e\u003cstrong data-start=\"1834\" data-end=\"1861\"\u003eKeep the air end clean:\u003c\/strong\u003e Dirt on sealing faces or inside the valve area can cause immediate shifting issues—work clean and lint-free.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1973\" data-end=\"2120\"\u003e\n\u003cp data-start=\"1975\" data-end=\"2120\"\u003e\u003cstrong data-start=\"1975\" data-end=\"2000\"\u003eInspect mating parts:\u003c\/strong\u003e Check valve plate, seals, spool\/slider, and housing faces—don’t bolt worn parts onto a new cover and expect miracles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2121\" data-end=\"2237\"\u003e\n\u003cp data-start=\"2123\" data-end=\"2237\"\u003e\u003cstrong data-start=\"2123\" data-end=\"2143\"\u003eEven tightening:\u003c\/strong\u003e Tighten fasteners in a cross pattern to avoid distorting the cover and creating leak paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2238\" data-end=\"2363\"\u003e\n\u003cp data-start=\"2240\" data-end=\"2363\"\u003e\u003cstrong data-start=\"2240\" data-end=\"2267\"\u003eCheck for leaks safely:\u003c\/strong\u003e Repressurise slowly and use soapy water—don’t use your hands to find leaks on a live airline.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2364\" data-end=\"2493\"\u003e\n\u003cp data-start=\"2366\" data-end=\"2493\"\u003e\u003cstrong data-start=\"2366\" data-end=\"2385\"\u003eTest gradually:\u003c\/strong\u003e Bring air pressure up slowly, confirm smooth cycling and no air leaks, then return to operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2500\" data-end=\"2553\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2500\" data-end=\"2553\" data-is-last-node=\"\"\u003eASAB – Engineered for Performance, Built to Last.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Australian Spray \u0026 Blast","offers":[{"title":"Default Title","offer_id":48355450552535,"sku":null,"price":20.38,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9925\/4743\/files\/ASABLOGO.jpg?v=1773006894","url":"https:\/\/asab.au\/products\/asab-ddp42-replacement-parts-36-sequential-cover","provider":"Australian Spray \u0026 Blast","version":"1.0","type":"link"}