MSI Hybrid Quintuplex, Technical Manual, Page: 44 / 88

SECTION 7 PREVENTATIVE MAINTENANCE
7.1 First 100 Hours

Change the pump lubrication oil filters every 25 hours for the first 100 hours of run time.

Thoroughly clean the pump lubrication oil suction strainer after the first 50 hours and 100 hours
operation.

Change the pump lubrication oil after the first 100 hours of operation, and clean the reservoir.
7.2 Daily Preventative Maintenance

Check the fluid level in the lubrication oil reservoir, drain off water, and service magnet.

Check the fluid level in the fluid end plunger lubrication reservoir.

Check the plunger pump for fluid leaks.

Check the pump lubrication oil system for leaks.

Check the fluid end plunger lubrication system for leaks.

Check the supercharge piping for leaks.

Check the fluid end bolts, see Section 6.1.5 .
7.3 Weekly Maintenance

Check all items on “daily” list.

Check all valves, inserts, valve seats, and springs.

Check all discharge and suction valve cover seals.

Check suction pulsation dampener for correct pre-charge if applicable.
7.4 Every 100 Hours

Check all items on “daily” and “weekly” lists.

Check all plunger pump-mounting bolts to ensure that they are tight.

Change pump lubrication oil filters.

Check all supplies needed for routine maintenance, such as o-rings, fluid seals, valves, valve inserts,
valve seats, valve springs, packing, oil seals, filter elements, etc.
7.5 Every 250 Hours

Check all items on “daily,” “weekly,” and “100 hours” list.
Revision K 03/12/2019 MSI - A Division of Dixie Iron Works, Ltd. All rights reserved. Page 41