Preventive Maintenance Checks and Services

TM 9-6685-202-14

specific procedures. It is understood that whenever

is in its normal position in the equipment and if all its

parts are present and in their correct relative position.

inspection reveals the need of adjustment, repairs or

replacement, the necessary action will be taken.

(c) By "excessively worn" is meant

worn beyond serviceable limits or to a point likely to

(2) Special cleaning instructions required for

result in failure if the unit is not replaced before the next

specific mechanisms or parts are contained in

scheduled inspection. Excessive wear of mating parts

of linkage connection is usually evidenced by too much

4-4. Preventive Maintenance Checks and Services

play (lash or lost motion). It includes illegibility as

Table 4-1 gives the specific procedures to be

applied to markings, data and caution plates, and

performed on the barometer by the operator for each

printed matter.

daily or periodic service.

(d) such expressions as "adjust if

necessary" or "replace if necessary" are not used in the

4-2