DIAPHRAGM PUMPS (CHEMICAL FEED PUMP) MAINTENANCE - continued.
Installation of one diaphragm pump is shown. The other diaphragm pumps are similar
Position support disk (14), guard diaphragm (13), and inner adapter ring (12) on actuating shaft (15).
Aline screw holes as marked during removal and install four screws (11).
Position outer adapter ring (10) and backing plate (9) on housing (21). Aline holes in working diaphragm (8)
and outer adapter ring (10) with inner adapter ring (12), then install diaphragm nut (7).
Position reagent head (3) and attached parts on working diaphragm (8) and install four screws (4).
Place clamp (2) on flexible hose (1).
Connect flexible hose (1) to reagent head (3) as marked, and tighten clamp (2).
Place clamp (5) on flexible hose (6).
Connect flexible hose (6) to reagent head (3) as marked, and tighten clamp (5).
Position bracket (16) on frame (18) and install two screws (17), lockwashers (19) and nuts (20).
Operate ROWPU (TM 10-4610-240-10). Check for leaks and proper operation.