TM 55-1930-209-14&P-19Table 17-4. Preventive Maintenance Checks and Servicesfor Workboat, Lifesaving, and Firefighting System (Continued)B -BeforeD -DailyQ - QuarterlyD -DuringW -WeeklyS - SemiannuallyA -AfterM -MonthlyA - AnnuallyINTERVALITEMPROCEDURESEQUIPMENTITEMTO BECHECK FOR AND HAVEIS NOT READY/NO.INSPECTEDREPAIRED OR ADJUSTEDAVAILABLE IFB D A D W M Q S AAS NECESSARYNOTEThe priming pump oiler should be filled fullto provide oil for priming operation.3) If oil level is below full, add oil per Mili-tary Specification MIL-L-46152 untiloil level reaches full.p. Check and adjust the carburetor asfollows:1) Shut down the pump and tag "OUTOF SERVICE."CAUTIONFuel adjustment screws must be bot-tomed lightly. Do not force.2) Turn idle fuel and main fuel adjust-ment screws clockwise until they bot-tom.3) Turn idle fuel and main fuel adjustmentscrews counterclockwise one turn.NOTEThe carburetor is now adjusted slightly tothe rich side. If a leaner adjustment isrequired, turn adjustment screws clock-wise 1/8 of a turn.q. Annually or when starting is difficult,remove each spark plug and inspect asfollows:1) Shut down pump and tag "OUT OFSERVICE."2) Remove spark plug cables from sparkplugs.17-41
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