3-39. HIGH PRESSURE PUMP(R.O. PUMP) MAINTENANCE -continued.
Dry cleaning solvent PD-680 is highly toxic and can ignite organic materials, nitrates, carbides
and chlorates. Wear eye, skin and respiratory protection. Use in well-ventilated area.
Using cleaning solvent and rags clean pump mounting surfaces.
Using lifting device, position pump assembly (5) over studs of pump stand and secure with four nuts (19) and
Install nipples (4).
Install seals (3).
Install clamps (2) with screws (1) and nuts (20).
Position key (17) on pump shaft and install hub (16). Be sure to tighten setscrew (15).
Install sheave (14) with three washers (13) and screws (12).
Install elbows (6 and 10) nipple (8) and valve (9).
Reconnect drain hoses and tighten clamps (7 and 11).
Operate ROWPU and check for proper operation and leaks in accordance with operators manual (TM 10-