{"product_id":"pu642-buyers-products-4-way-dc-power-unit-electric-controls","title":"PU642 | Buyers Products 4-Way DC Power Unit Electric Controls","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA DC Power Unit Electric Controls \u003cstrong\u003ePU642 \u003c\/strong\u003eis an electrically controlled hydraulic power unit that uses direct current (DC) electricity to power a hydraulic pump. It converts electrical energy from a battery into hydraulic pressure to operate equipment such as dump bodies, liftgates, snowplows, scissor lifts, and other hydraulic systems. 4-Way DC Power Unit Electric Controls 12V\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003ePart Number\u003c\/strong\u003e: PU642\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Buyers Products\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications PU642\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eManual or Push Button: Push Button\u003c\/li\u003e\n\u003cli\u003eMounting Position: Horizontal\u003c\/li\u003e\n\u003cli\u003eReservoir Material: Glass Filled Nylon\u003c\/li\u003e\n\u003cli\u003eMotor Horsepower: 2 HP\u003c\/li\u003e\n\u003cli\u003eReservoir Volume: 0.86 Gal\u003c\/li\u003e\n\u003cli\u003ePressure Rating: 2500 PSI\u003c\/li\u003e\n\u003cli\u003eMotor Voltage: 12 VDC\u003c\/li\u003e\n\u003cli\u003eWidth: 6.60\"\u003c\/li\u003e\n\u003cli\u003eLength: 17.38\"\u003c\/li\u003e\n\u003cli\u003eHeight: 7.50\"\u003c\/li\u003e\n\u003cli\u003eSpool Action: Power Up\/Power Down\u003c\/li\u003e\n\u003cli\u003eNumber of Cartridge Valves: 2\u003c\/li\u003e\n\u003cli\u003eOutlet Port Size: 3\/8 NPT\u003c\/li\u003e\n\u003cli\u003eController Included: Y\u003c\/li\u003e\n\u003cli\u003eControl Cable Length: 72\"\u003c\/li\u003e\n\u003cli\u003eMotor Power (KW): 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eFits PU642 For \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"mmm\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"15jyjmr\" data-start=\"450\" data-end=\"487\"\u003eDump trucks (dump bed lift systems)\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lf50yq\" data-start=\"488\" data-end=\"503\"\u003eDump trailers\u003c\/li\u003e\n\u003cli data-section-id=\"1jd13c1\" data-start=\"504\" data-end=\"521\"\u003eSnowplow trucks\u003c\/li\u003e\n\u003cli data-section-id=\"1i9mkei\" data-start=\"522\" data-end=\"555\"\u003eTow trucks (wheel lifts, booms)\u003c\/li\u003e\n\u003cli data-section-id=\"5j9dgs\" data-start=\"556\" data-end=\"569\"\u003eCar haulers\u003c\/li\u003e\n\u003cli data-section-id=\"18jygj6\" data-start=\"570\" data-end=\"594\"\u003eService\/utility trucks\u003c\/li\u003e\n\u003cli data-section-id=\"seha7v\" data-start=\"595\" data-end=\"615\"\u003eHydraulic trailers\u003c\/li\u003e\n\u003cli data-section-id=\"19sg1yw\" data-start=\"616\" data-end=\"651\"\u003eLiftgate-equipped delivery trucks\u003c\/li\u003e\n\u003cli data-section-id=\"1etmpsx\" data-start=\"652\" data-end=\"731\"\u003eSome RV and specialty hydraulic systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cul id=\"catalogModels\" class=\"nav catalog\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong\u003ePurpose of using PU642:\u003c\/strong\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1jrij4b\" data-start=\"340\" data-end=\"511\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"383\"\u003ePower hydraulic systems independently\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003cul data-start=\"386\" data-end=\"511\"\u003e\n\u003cli data-section-id=\"gl18u4\" data-start=\"386\" data-end=\"438\"\u003eUses a 12V or 24V battery to run a hydraulic pump.\u003c\/li\u003e\n\u003cli data-section-id=\"1oxkyhc\" data-start=\"441\" data-end=\"511\"\u003eNo need for a PTO (power take-off) or running the engine hydraulics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b6g9vf\" data-start=\"513\" data-end=\"671\"\u003e\n\u003cstrong data-start=\"515\" data-end=\"543\"\u003eControl hydraulic motion\u003c\/strong\u003e\n\u003cul data-start=\"546\" data-end=\"671\"\u003e\n\u003cli data-section-id=\"t52msw\" data-start=\"546\" data-end=\"671\"\u003eElectric controls activate:\n\u003cul data-start=\"580\" data-end=\"671\"\u003e\n\u003cli data-section-id=\"w4zp89\" data-start=\"580\" data-end=\"603\"\u003eRaise\/lower functions\u003c\/li\u003e\n\u003cli data-section-id=\"1wv47h3\" data-start=\"608\" data-end=\"634\"\u003eExtend\/retract cylinders\u003c\/li\u003e\n\u003cli data-section-id=\"mjkvfx\" data-start=\"639\" data-end=\"671\"\u003eDump, lift, or tilt operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3281xg\" data-start=\"673\" data-end=\"831\"\u003e\n\u003cstrong data-start=\"675\" data-end=\"711\"\u003eMake operation simple and remote\u003c\/strong\u003e\n\u003cul data-start=\"714\" data-end=\"831\"\u003e\n\u003cli data-section-id=\"1sk47md\" data-start=\"714\" data-end=\"831\"\u003eAllows operation through:\n\u003cul data-start=\"746\" data-end=\"831\"\u003e\n\u003cli data-section-id=\"kaswg8\" data-start=\"746\" data-end=\"766\"\u003eDashboard switches\u003c\/li\u003e\n\u003cli data-section-id=\"diblp5\" data-start=\"771\" data-end=\"790\"\u003eHandheld pendants\u003c\/li\u003e\n\u003cli data-section-id=\"khsg9p\" data-start=\"795\" data-end=\"831\"\u003eWireless remotes (on some systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"152kxm3\" data-start=\"833\" data-end=\"978\"\u003e\n\u003cstrong data-start=\"835\" data-end=\"873\"\u003eImprove efficiency and convenience\u003c\/strong\u003e\n\u003cul data-start=\"876\" data-end=\"978\"\u003e\n\u003cli data-section-id=\"zzci2o\" data-start=\"876\" data-end=\"923\"\u003eQuick activation without mechanical linkages.\u003c\/li\u003e\n\u003cli data-section-id=\"csum5a\" data-start=\"926\" data-end=\"978\"\u003eFaster setup and operation of hydraulic equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vmtmi2\" data-start=\"980\" data-end=\"1113\"\u003e\n\u003cstrong data-start=\"982\" data-end=\"1023\"\u003eSupport mobile hydraulic applications\u003c\/strong\u003e\n\u003cul data-start=\"1026\" data-end=\"1113\"\u003e\n\u003cli data-section-id=\"12e19ry\" data-start=\"1026\" data-end=\"1113\"\u003eEnables hydraulics on trailers or equipment that don’t have engine-driven hydraulics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad DC Power Unit PU642:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-start=\"352\" data-end=\"396\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003e1. No response when switching functions\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"397\" data-end=\"593\"\u003e\n\u003cli data-section-id=\"t497jh\" data-start=\"397\" data-end=\"440\"\u003ePressing the control switch does nothing.\u003c\/li\u003e\n\u003cli data-section-id=\"1syp9bo\" data-start=\"441\" data-end=\"481\"\u003eNo motor sound, no hydraulic movement.\u003c\/li\u003e\n\u003cli data-section-id=\"tfd0bf\" data-start=\"482\" data-end=\"593\"\u003eOften caused by:\n\u003cul data-start=\"503\" data-end=\"593\"\u003e\n\u003cli data-section-id=\"1x1vtlh\" data-start=\"503\" data-end=\"515\"\u003eBlown fuse\u003c\/li\u003e\n\u003cli data-section-id=\"s3nubh\" data-start=\"518\" data-end=\"530\"\u003eBad switch\u003c\/li\u003e\n\u003cli data-section-id=\"1f58lgo\" data-start=\"533\" data-end=\"560\"\u003eFailed relay or contactor\u003c\/li\u003e\n\u003cli data-section-id=\"fvwiu9\" data-start=\"563\" data-end=\"593\"\u003eBroken wiring or poor ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"595\" data-end=\"637\"\u003e\u003cstrong\u003e2. Motor doesn’t run (or only clicks)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"638\" data-end=\"830\"\u003e\n\u003cli data-section-id=\"s9jkkb\" data-start=\"638\" data-end=\"708\"\u003eYou hear a \u003cstrong data-start=\"651\" data-end=\"660\"\u003eclick\u003c\/strong\u003e from a relay, but the pump motor doesn’t start.\u003c\/li\u003e\n\u003cli data-section-id=\"14cdgvz\" data-start=\"709\" data-end=\"830\"\u003ePossible causes:\n\u003cul data-start=\"730\" data-end=\"830\"\u003e\n\u003cli data-section-id=\"177yy7b\" data-start=\"730\" data-end=\"752\"\u003eBurnt relay contacts\u003c\/li\u003e\n\u003cli data-section-id=\"19poe4f\" data-start=\"755\" data-end=\"777\"\u003eWeak battery voltage\u003c\/li\u003e\n\u003cli data-section-id=\"1pqv35w\" data-start=\"780\" data-end=\"804\"\u003eBad solenoid\/contactor\u003c\/li\u003e\n\u003cli data-section-id=\"17wquce\" data-start=\"807\" data-end=\"830\"\u003eFailed control switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"832\" data-end=\"889\"\u003e\u003cstrong\u003e3. Motor runs but hydraulics don’t operate correctly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"890\" data-end=\"1079\"\u003e\n\u003cli data-section-id=\"glc149\" data-start=\"890\" data-end=\"962\"\u003ePump runs, but:\n\u003cul data-start=\"910\" data-end=\"962\"\u003e\n\u003cli data-section-id=\"1rbyl1h\" data-start=\"910\" data-end=\"933\"\u003eCylinder doesn’t move\u003c\/li\u003e\n\u003cli data-section-id=\"7d7reb\" data-start=\"936\" data-end=\"962\"\u003eMovement is slow or weak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gkk79i\" data-start=\"963\" data-end=\"1079\"\u003eCould indicate:\n\u003cul data-start=\"983\" data-end=\"1079\"\u003e\n\u003cli data-section-id=\"bcdgqm\" data-start=\"983\" data-end=\"1013\"\u003eSolenoid valve not switching\u003c\/li\u003e\n\u003cli data-section-id=\"m3cxk2\" data-start=\"1016\" data-end=\"1079\"\u003eElectrical control not activating the correct direction valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1081\" data-end=\"1111\"\u003e\u003cstrong\u003e4. Intermittent operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1112\" data-end=\"1288\"\u003e\n\u003cli data-section-id=\"1l0sj15\" data-start=\"1112\" data-end=\"1149\"\u003eWorks sometimes, fails other times.\u003c\/li\u003e\n\u003cli data-section-id=\"8l7a94\" data-start=\"1150\" data-end=\"1186\"\u003eFunctions may cut in\/out randomly.\u003c\/li\u003e\n\u003cli data-section-id=\"a9gcsh\" data-start=\"1187\" data-end=\"1288\"\u003eOften caused by:\n\u003cul data-start=\"1208\" data-end=\"1288\"\u003e\n\u003cli data-section-id=\"5xmsce\" data-start=\"1208\" data-end=\"1222\"\u003eLoose wiring\u003c\/li\u003e\n\u003cli data-section-id=\"cz8yn2\" data-start=\"1225\" data-end=\"1246\"\u003eCorroded connectors\u003c\/li\u003e\n\u003cli data-section-id=\"wk03s\" data-start=\"1249\" data-end=\"1264\"\u003eWorn switches\u003c\/li\u003e\n\u003cli data-section-id=\"56h54j\" data-start=\"1267\" data-end=\"1288\"\u003eFailing relay coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1290\" data-end=\"1346\"\u003e\u003cstrong\u003e5. Stuck hydraulic direction (won’t raise or lower)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1347\" data-end=\"1531\"\u003e\n\u003cli data-section-id=\"s3i397\" data-start=\"1347\" data-end=\"1384\"\u003eEquipment only moves one direction.\u003c\/li\u003e\n\u003cli data-section-id=\"19d07jq\" data-start=\"1385\" data-end=\"1426\"\u003eOr won’t switch between extend\/retract.\u003c\/li\u003e\n\u003cli data-section-id=\"1v5jw6i\" data-start=\"1427\" data-end=\"1531\"\u003eCommon causes:\n\u003cul data-start=\"1446\" data-end=\"1531\"\u003e\n\u003cli data-section-id=\"1xx4uey\" data-start=\"1446\" data-end=\"1497\"\u003eDirectional solenoid stuck or not receiving power\u003c\/li\u003e\n\u003cli data-section-id=\"sc6li5\" data-start=\"1500\" data-end=\"1531\"\u003eFaulty control switch circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1533\" data-end=\"1575\"\u003e\u003cstrong\u003e6. Burning smell or overheated wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1576\" data-end=\"1767\"\u003e\n\u003cli data-section-id=\"1homccc\" data-start=\"1576\" data-end=\"1620\"\u003eElectrical smell near control box or pump.\u003c\/li\u003e\n\u003cli data-section-id=\"jajcea\" data-start=\"1621\" data-end=\"1661\"\u003eMelted insulation or discolored wires.\u003c\/li\u003e\n\u003cli data-section-id=\"loozyu\" data-start=\"1662\" data-end=\"1767\"\u003eUsually caused by:\n\u003cul data-start=\"1685\" data-end=\"1767\"\u003e\n\u003cli data-section-id=\"l14xy2\" data-start=\"1685\" data-end=\"1701\"\u003eShort circuits\u003c\/li\u003e\n\u003cli data-section-id=\"gwaj5u\" data-start=\"1704\" data-end=\"1722\"\u003eOverloaded relay\u003c\/li\u003e\n\u003cli data-section-id=\"1qv8kkm\" data-start=\"1725\" data-end=\"1767\"\u003eSticking motor causing high current draw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1769\" data-end=\"1799\"\u003e\u003cstrong\u003e7. Slow or weak operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1800\" data-end=\"1971\"\u003e\n\u003cli data-section-id=\"9icex4\" data-start=\"1800\" data-end=\"1835\"\u003ePump runs but feels underpowered.\u003c\/li\u003e\n\u003cli data-section-id=\"1h1ja3r\" data-start=\"1836\" data-end=\"1859\"\u003eMovement is sluggish.\u003c\/li\u003e\n\u003cli data-section-id=\"ftpgkf\" data-start=\"1860\" data-end=\"1971\"\u003eMay indicate:\n\u003cul data-start=\"1878\" data-end=\"1971\"\u003e\n\u003cli data-section-id=\"dd8zzo\" data-start=\"1878\" data-end=\"1926\"\u003eLow voltage reaching motor due to bad controls\u003c\/li\u003e\n\u003cli data-section-id=\"1vjkg8l\" data-start=\"1929\" data-end=\"1971\"\u003ePoor relay contacts causing voltage drop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1973\" data-end=\"2012\"\u003e\u003cstrong\u003e8. Blown fuses or tripped breakers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2013\" data-end=\"2176\"\u003e\n\u003cli data-section-id=\"mspxkg\" data-start=\"2013\" data-end=\"2064\"\u003eFuse keeps blowing when trying to operate system.\u003c\/li\u003e\n\u003cli data-section-id=\"1lggvsp\" data-start=\"2065\" data-end=\"2176\"\u003eIndicates:\n\u003cul data-start=\"2080\" data-end=\"2176\"\u003e\n\u003cli data-section-id=\"b8rcr5\" data-start=\"2080\" data-end=\"2097\"\u003eShort in wiring\u003c\/li\u003e\n\u003cli data-section-id=\"qlcfjv\" data-start=\"2100\" data-end=\"2122\"\u003eFailed solenoid coil\u003c\/li\u003e\n\u003cli data-section-id=\"x33e1w\" data-start=\"2125\" data-end=\"2176\"\u003eMotor or control circuit drawing too much current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2178\" data-end=\"2222\"\u003e\u003cstrong\u003e9. Control switch feels “dead” or loose\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2223\" data-end=\"2347\"\u003e\n\u003cli data-section-id=\"9ft7c5\" data-start=\"2223\" data-end=\"2261\"\u003eNo click or resistance when pressed.\u003c\/li\u003e\n\u003cli data-section-id=\"uaj7ao\" data-start=\"2262\" data-end=\"2303\"\u003eWorks only when held at certain angles.\u003c\/li\u003e\n\u003cli data-section-id=\"1boyq1k\" data-start=\"2304\" data-end=\"2347\"\u003eInternal switch contacts may be worn out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"48\" data-end=\"285\"\u003e\u003cstrong data-end=\"151\" data-start=\"97\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Buyers Products","offers":[{"title":"Default Title","offer_id":50910406770935,"sku":"PU642","price":979.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/PU642_contents__30998.jpg?v=1783025706","url":"https:\/\/forcetruckparts.com\/products\/pu642-buyers-products-4-way-dc-power-unit-electric-controls","provider":"Force Truck Parts","version":"1.0","type":"link"}