Chapter 4. MAINTENANCE INSTRUCTIONS

TM 9-6685-202-14

CHAPTER 4

MAINTENANCE INSTRUCTIONS

Section I. PARTS, SPECIAL TOOLS, AND EQUIPMENT FOR OPERATORS

equipment supplied for the barometer and auxiliary

4-1. Parts and Tools

equipment are listed in appendix C, which is the

a. Tools, equipment, and spare parts issued to

authority for requisitioning replacements in accordance

using personnel for operating and maintaining the

with TM 9-4931-700-34P-1.

material should not be used for purposes other than

4-2. Test Equipment

prescribed and, when not in use, should be properly

There is no test equipment required to support

stored in the containers provided for them. No special

the barometer. The test equipment required to calibrate

tools are required to support the barometer.

the barometer will be available in the laboratory which is

b. Spare parts are supplied to using personnel for

responsible for the support of the barometer (refer to TB

the replacement of those parts most likely to become

750-25).

unserviceable, if such operations are within the scope of

their maintenance functions. Spare parts, tools, and

Section II. PREVENTIVE MAINTENANCE SERVICES

operator preventive maintenance services and all

4-3. General

inspections and are just as important as the specific

a. Preventive Maintenance. This is the systematic

procedures:

care, inspection, and servicing of equipment to maintain

it in serviceable condition, prevent breakdowns, and

(1) Inspections to see if items are in good

assure maximum operational readiness. The operator's

condition, correctly assembled or stowed, not

role in the performance of preventive maintenance

excessively worn, not leaking, and adequately lubricated

service is to:

apply to most items in the preventive-maintenance and

inspection procedures. Any or all of these checks that

(1) Perform the daily service required each

are pertinent to any item (including supporting,

day the equipment is operated.

attaching, or connecting members) will be performed

(2) Assist the maintenance mechanics in the

automatically, as general procedures, in addition to any

performance of any other scheduled periodic services

specific procedures given.

specified by pertinent technical manuals.

(a) Inspection for " good condition" is

(3) Assist the maintenance mechanics in the

usually an external visual inspection to determine

lubrication of the equipment in accordance with the

whether the unit is damaged beyond safe or serviceable

pertinent lubrication order.

limits. Good condition is explained further as meaning:

b. Responsibility.

Operators are personally

not bent or twisted, not chafed or burred, not broken or

responsible for assigned equipment.

Unit and

cracked, not bared or frayed, not dented or collapsed,

organization commanders are required to insure that

not torn or cut, not deteriorated.

equipment issued or assigned to their command is

(b) Inspection of a unit to see that it is

properly maintained in a serviceable condition, and that

"correctly assembled" or stowed is usually a visual

it is properly cared for and used.

inspection to see if the unit

c. General Procedures for All Services and

Inspections. The following general procedures apply to

4-1