Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 3-6665-225-12

Figure 3-21. BA3517/U battery installed in an armored reconnaissance vehicle.

Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

3-5. General

d. "Work time" column. The time required to

a. Purpose. Preventive maintenance checks

perform each procedure is indicated in manhours

(M/H ). Total time required to perform the proce-

and services, table 3-1, are routine procedures for

maintaining equipment in top operating condi-

dures listed for each interval (before, during, and

after operation) is summarized above the column

tion.

headings in table 3-1.

b. "Interval and sequence No." column. Per-

36. Mandatory Component Replacement

form the instructions for each item in the numeri-

cal sequence listed at the appropriate interval.

Intervals

Table 3-2 lists parts of the M43 detector unit (fig.

c. "Item to be Inspected-Procedure" column.

1-2) and the M42 alarm unit (fig. 1-5) that must

Follow the instructions listed in this column as

indicated in the "Interval and sequence No."

be replaced periodically by the operator. The

column. Return defective equipment to organi-

replacement intervals are based on periods of

operation.

zational maintenance through your supervisor.

3-20