TM 9--2350--292--20--10107 00--4IMPACT WRENCH FAILS TO OPERATE OR DEVELOP FULL POWER --CONTINUED0107 00CONTINUED FROM STEP FFORWARDGIs vehicle equipped with Enhanced DiagnosticSystem?yesnoGo to Step J.HIs pressure at port RI approximately the same as atimpact wrench return port?noyes1. Remove subfloor plate 22 (WP 0454 00).2. Install 0--300 psi dial pressure gauge in port R1of filter manifold.3. Remove 0--4000 psi testing gauge assemblyfrom impact wrench pressure port.4. Perform Step C steps 3 thru 5.Replace hydraulic filters(WP 0554 00). Verifyfault is corrected.IIs check valve free of restrictions and damage?Inspect the return check valve on bottom of filtermanifold for restrictions and damage.yesnoRemove restrictions.If restrictions cannotbe removed or if valveis damaged, replace(WP 0551 00). Verifyfault is corrected.Remove restrictionsfrom filter manifold. Ifrestrictions cannot beremoved, replacemanifold (WP 0550 00).Verify fault is corrected.WARNINGCONTINUED FROMSTEP JCONTINUED ON NEXT PAGE
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