bers indicate the sequence of minimum inspection requirements. Defects discovered during operation of the unit will 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
shortcomings will be recorded together with the corrective action take on DA Form 2404 (Equipment Inspection and
Maintenance Worksheet) at the earliest possible opportunity.
20. Quarterly Preventive Maintenance Services
a. This paragraph contains an illustrated tabulated listing of preventive maintenance services which must be
performed by organizational maintenance personnel at quarterly 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. Refer to
figure 8 for the quarterly preventive maintenance services.