OPERATOR/CREW MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
Lubrication instructions are not required.
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
To insure that the drums are ready for use at all
times they must be inspected systematically so
that defects may be discovered and corrected
before they result in serious damage or failure of
equipment. The necessary preventive maintenance
checks to be performed are listed and described in
table 3-1. Defects discovered during operation of
the unit shall be noted for future correction, to be
made as soon as the operation has ceased. Stop
operation immediately if a deficiency is noted dur-
ing operation which would damage the equipment
if operation were continued. All deficiencies and
shortcomings will be recorded, together with the
corrective action taken, on DA Form 2404 (Equip-
ment Inspection and Maintenance Worksheet) at
the earliest possible opportunity.
a. Before You Operate. Always keep in mind
the CAUTIONS and WARNINGS. Perform your
before (B) PMCS.
b. While You Operate. Always keep in mind the
CAUTIONS and WARNINGS. Perform your dur-
ing (D) PMCS.
c. After You Operate. Be sure to perform your
after (A) PMCS.
d. If Your Equipment Fails to Operate.
Troubleshoot with proper equipment. Report any
deficiencies using the proper forms, refer to
3-2. Daily Preventive Maintenance Checks and
Table 3-1 contains a tabulated listing of preven-
tive maintenance checks and services which must
be performed by the operator daily. Figure 3-1 il-
lustrates the items to be inspected in sequence.
Section III. TROUBLESHOOTING
a. This section contains troubleshooting in-
formation for locating and correcting most of the
operating trouble which may develop in the drums
and their components. Each malfunction for an in-
dividual component, unit, or system is followed by
a list of tests or inspections which will help you to
determine probable causes and corrective actions
b. This manual cannot list all malfunctions that
may occur, nor all tests or inspections and correc-
tive actions. If a malfunction is not listed or is not
corrected by listed corrective actions, notify your
c. Table 3-2 lists the common malfunctions
which you may find during the operation or
maintenance of the drums and their components.
You should perform the tests/inspections and cor-
rective actions in the order listed.
3-4. Operator/Crew Troubleshooting.
Refer to table 3-2 for troubleshooting procedures
applicable to the drums and other components.
Any trouble, the correction of which is beyond the
scope of the operator, should be referred to