Cleaning

TM 11-5985-355-13

(Equipment Inspection and Maintenance

When necessary, use gloves which the solvent cannot

Worksheet) in recording the results of the

penetrate. If the solvent is taken internally, consult a

PMCS.

physician immediately.

3. If the equipment must be kept in cons-

b. Remove grease, fungus, and ground-in dirt with

tant operation, check and service only

a cloth dampened with trichlorotrifluoroethane (item 1,

those items that can be checked and serv-

appx E).

iced without disturbing operation. Make

c. Clean the plastic body of the MX-9146/GRC

complete checks and services when the

(fig. 1-1) with clean water. Never use the following on

equipment can be shut down.

the plastic surface:

(1) Cleaning solvent

3-5. Cleaning

(2) Carbon tetrachloride.

To remove dirt from the surface of the

(3) Trichlorotrifluoroethane.

equipment, use a cleaning cloth.

(4) Penetrating oils.

(5) Paint thinner.

WARNING

(6) Detergent soap.

d. Clean the contact at the top of the MX-

Adequate ventilation should be provided while using

9146/'GRC and the curved spring contact SM-B-542008

TRICHIOROTRIFLUOROETHANE.

Prolonged

(fig. 6-1) at the base of the AS-2732/GRC with a rubber

breathing of vapor should be avoided. The solvent

eraser of a pencil. Do not use an ink eraser, and never

should not be used near heat or open flame; the

use an abrasive, such as emory cloth or scouring

products of decomposition are toxic and irritating. Since

powder.

TRICHLOROTRIFLUOROETHANE dissolves natural

oils, prolonged contact with skin should be avoided.

Table 3-1. Operator's Preventive Maintenance Checks and Services (PMCS)

NOTE

Within the designated interval, these checks are to be performed in the order listed.

B-Before D-During A-After W-Weekly

B - Before

D - During

A - After

W - Weekly

INTERVAL

ITEM

Item to be

Equipment is Not

inspected

Procedure

Ready/Available If:

Lockwire

When the AS-27332/GRC is installed, the

lockwire is in place (fig. 2-2).

AS-2732/GRC

Tighten the unit on the spring ass embly

(fig. 2-2).

AS-2732/GRC If the AS/2732/GRC is removed from the

spring assembly, clean the bottom con-

tact (para 3-5d).

MX-9146/GRCa. If the AS-2732/GRC is removed, clean

the top contact (para 3-5d).

b. Apply graphite grease (item 3, app E)

to the threads above the spring as-

sembly.

AS-2731/GRC Check communication function of as-

Associated radio com-

sociated radio.

Munication fails be-

cause of AS-2731/GRC.

Restraint

Check that the upper insert screw caps have

not cut into the Restraint Assembly

Change 2 3-2