TM 5-3805-258-24-2ENGINEDISASSEMBLY AND ASSEMBLYFUEL PRIMING AND PRIMARY FILTER PUMP GROUPDISASSEMBLE FUEL PRIMING AND PRIMARYFILTER PUMP GROUP1260 & 1258-15Tools NeededA1P1855Snap Ring Pliers11.2.3.start by:a) remove fuel priming and primary filter pumpgroupRemove two bolts (1) and primary pump (2)from the filter base.Remove case assembly (7) from base assembly(9).Remove filter element (5) from case assembly(7).CAUTIONSpring (11) is held in compression behind re-tainer (6).4.5.6.7.8.Use tool (A) to remove ring (10).Remove retainer (6) and spring (11) from caseassembly (7).Use tool (A) to remove ring (4) from nut (3).Remove nut (3) from base assembly (9).Remove O-ring seal (8) from nut (3).ASSEMBLE FUEL PRIMING AND PRIMARYFILTER PUMP GROUP1260 & 1258-16Tools NeededA1P1855Snap Ring Pliers11.2.3.4.5.6.7.Install O-ring seal (2) on nut (1).Install nut (1) in base assembly (7).Use tool (A) to install ring (3) on nut (1).Install spring (5) and retainer (9) in case as-sembly (6).Use tool (A) to install ring (4) in the groove onthe shaft of case assembly (6).Install filter element (8) in case assembly (6)and install case assembly (6) on base assembly(7).Put primary pump (10) and the gasket in posi-tion on the filter base and install the bolts.end by:a) install fuel priming and primary filter pumpgroup5-85
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