a. Inspect tube nuts, nuts, and bolts for damaged threads. Replace as required.
b. Inspect check body for damaged threads. Replace as required.
c. Inspect check valve washers and check valve tit for damage and wear. Replace as required.
a. Install solution feed pump (15), three bolts (14), six flat washers (13), three Iockwashers (12), and nuts (11 ).
Install two check valve washers (8), check valve tit (10), and check body (9).
Install pump suction tube (7) and tube nut (6).
Install two check valve washers (3), check valve tit (5), and check body (4).
Install pump discharge tube (2) and tube nut (1).
END OF TASK
4-20. REPAIR SOLUTION FEED PUMP. Repair of the solution feed pump is limited to replacement of
components. For procedure to replace solution feed pump components, see Replace Solution Feed Pump,