CHAPTER 4 ORGANIZATIONAL MAINTENANCE - TM-11-6140-224-13-P0017

TM 11-6140-224-13&P

CHAPTER 4

ORGANIZATIONAL MAINTENANCE

4-1.

Scope of Organizational Preventive Maintenance

The preventive maintenance duties assigned to the operator and organizational repair technician for the BB-542/U are

listed below, together with a reference to the paragraph covering the specific preventive maintenance functions. Refer to

the MAC Section III, Appendix B, for a list of tools and test equipment required for organizational maintenance.

a. Visual Inspection - paragraph 4-7

b. Electrical Leakage Test - paragraph 4-9

c. Battery Voltage Test - paragraph 4-10

d. Battery Charging - paragraph 4-11

e. Cleaning - paragraph 4-14

4.2.

Preventive Maintenance

Preventive maintenance is the systematic care, servicing, and checking of nickel-cadmium batteries to prevent occurrence

of trouble, reduce downtime, and ensure that the equipment is serviceable.

a. Systematic Care. Procedures given in paragraphs 4-4 through 4-15 cover routine systematic care and

cleaning essential to the proper upkeep of the battery.

b. Preventive Maintenance Checks and Services. The preventive maintenance checks and services charts (para

4-4, 4-5 and 4-6) outline checks and services to be performed at specific intervals. These checks and services are to

maintain the BB-542/U in a combat-serviceable condition.

4-3. Organizational Preventive Maintenance Checks and Services

Organizational preventive maintenance checks and services of the BB-542/U are required weekly and monthly.

a. Paragraph 4-5 specifies checks and services that must be accomplished weekly.

b. Paragraph 4-6 specifies checks and services that must be accomplished monthly.

4-4. Operator Daily Preventive Maintenance Checks and Services Chart (At Equipment Site)

Sequence

Item to be

No.

Inspected

Procedure

Reference

Overall Battery

Clean top of cover.

Overall Battery

During operation be alert

None

for any abnormal con-

dition.

4-5. Organizational Weekly Preventive Maintenance Checks and Services Chart for Battery BB-542/U

Sequence

Item to be

No.

Inspected

Procedure

Reference

Battery BB-542/U

Inspect battery.

Paragraph 4-7

Battery BB-542/U

Check battery voltage.

Paragraph 4-10

Battery BB-542/U

Charge battery.

Paragraph 4-11

4-1