4-10. FABRICATED TOOLS AND EQUIPMENT.
No fabrication of special tools and equipment is necessary for maintenance of the tank and pump unit.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
To ensure that the equipment is ready for operation at all times, it must be inspected systematically so that defects
may be discovered and corrected before they result in serious damage or failure. The necessary preventive
maintenance checks and services are listed in table 4-1. Defects discovered during operation of the system shall
be noted for future correction to be made as soon as operation has ceased. Stop operation immediately if a deficiency
is noted during operation, which would damage the equipment if operation were continued. All deficiencies and short-
comings will be recorded together with the corrective action taken DA Form 2404 (Equipment Inspection and
Maintenance Worksheet) at the earliest possible opportunity.
4-12. QUARTERLY AND MONTHLY PREVENTIVE MAINTENANCE SERVICES.
a. This paragraph contains an illustrated tabulated listing of preventive maintenance services which must be per-
formed by organizational maintenance personnel at quarterly or monthly intervals. A quarterly interval is equal to
3 calendar months, or 250 hours of operation, whichever occurs first.
b. The item numbers are listed consecutively and indicate the sequence of minimum requirements and the item
number column is used as a source of item numbers for the TM number column on DA Form 2402, Equipment In-
spection and Maintenance Worksheet. Refer to table 4-1 for quarterly or monthly preventive maintenance services.
Included with the table is a pictorial view of the required inspection sequence (fig. 4-4).
a. This section contains troubleshooting information for locating and correcting most of the operating troubles
which may develop in the tank and pump unit. Each malfunction for an individual component, unit, or system is follow-
ed by a list of tests or inspections which will help to determine corrective actions to take.
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions.
If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.
c. The table lists the common malfunctions which you may find during the operation or maintenance of the tank
and pump unit or its components. Perform the tests/inspections and corrective actions in the order listed.