Chapter 4: Section I. ORGANIZATIONAL MAINTANANCE

TM 11-6140-203-14-4&P

CHAPTER 4

Section I. ORGANIZATIONAL MAINTANANCE

(2) Corrosion preventive compound No. 366,

(NSN 8030-00-267-3015).

4-1. Scope of Organizational Preventive

(3) Filler (Syringe), Battery (NSN 6140-00-376-

Maintenance

9635).

The preventive maintenance duties assigned to the

(4) Wrench, Plastic (NSN 5306-00-156-2336)

operator and organizational repair technician for

(provided with battery).

nonaircraft nickel-cadmium batteries are listed below,

(5) Cloth, cheesecloth, (NSN 8306-00-267-

together with a reference to the paragraph covering the

3015).

specific preventive maintenance functions.

Test

(6) Distilled water (NSN 6810-00-682-6867).

equipment, tools, additional equipment and supplies, and

(7) Faceshield Fed L-F-0036 Style B (NSN 4240-

battery charging equipment required for organizational

00-439-3450).

maintenance are listed in paragraph 4-2 and appendix C.

d Battery Charging Equipment 1.Skw Auxilary

Operator daily preventive maintenance

Power Unit (APU).

checks and services at equipment site are located in

4-3. Preventive Maintenance

paragraph 4-5.

Preventive maintenance is the systematic care, servicing

Organizational

weekly

preventive

and checking of nickel-cadmium batteries to prevent

maintenance checks and services for the BB-693A/U are

occurrence of trouble, reduce downtime, and insure that

located in paragraph 4-6.

the equipment is serviceable.

Organizational

monthly

preventive

a. Systematic Care. Procedures given in

maintenance checks and services are located in

paragraphs 4-5 through 4-14 cover routine systematic

paragraph 4-7.

care and cleaning essential to the proper upkeep of the

Organizational

quarterly

preventive

battery.

maintenance checks and services are located in

Preventive Maintenance Checks and

paragraph 4-8.

Services. The preventive maintenance checks and

e Visual inspection paragraph 4-9.

services charts (para 4-5 thru 4-8) outline checks and

f. Electrical leakage test paragraph 4-10.

services to be performed at specific intervals. These

g. Battery charging paragraph 4-11.

checks and services are to maintain nickel-cadmium

h. Adjustment of low rate battery tap paragraph

4-12.

batteries in a combat-serviceable condition.

i. Cleaning paragraph 4-13.

4-4. Organizational Preventive Maintenance Checks

and Services Periods

4-2. Test Equipment, Tools, Additional Equipment

Organizational preventive maintenance checks and

and Supplies, and Battery Charging Equipment

services of the nickel-cadmium batteries an required

weekly, monthly, and quarterly for BB-693A/U.

The following test equipment, tools, additional equipment

a. Paragraph 4-6 specifies checks and services

and supplies, and battery charging equipment are

that must be accomplished weekly.

required for organizational maintenance.

b. Paragraph 4-7 specifies checks and services

a Test Equipment. Multimeter AN/USM-223, or

that must be accomplished monthly.

AN/USM-451, or Ballantine 3028A.

c. Paragraph 4-8 specifies checks and services

b. Tools. Torque wrench (available from Vulcan

that must be accomplished quarterly.

servicing equipment).

c Additional Equipment and Supplies.

1. Apron, impermeable, battery workers

(NSN 8415-00-082-6108)

4-1