Section II. SECOND ECHELON PREVENTIVE MAINTENANCE

TM 11-2330A C2

(4) Dry the cleaned surface of the mirror with a fresh lens

tissue.

Add section 2 (page 10 of C 1) :

Section II

SECOND ECHELON PREVENTIVE MAINTENANCE

27. Scope of Second Echelon Maintenance

The maintenance duties assigned to the second echelon mainte-

nance personnel of the equipment are listed below together with a

reference to the paragraphs covering the specific maintenance

functions.

a. Monthly preventive maintenance checks and services (par. 29.2).

b. Quarterly preventive maintenance checks and services (par.

29.4) .

c. Troubleshooting (pars. 32 and 43).

28. Tools, Materials, and Test Equipment Required

In addition to the tools and materials listed in paragraph 21, the

following items are required.

a. Tool Kit, Photographic Repair TK-77/GF.

b. Sandpaper (No. 000).

c. Lubricating Oil, General Purpose, Light (LO) (FSN 9150-261

8146) .

d. Multimetar AN/URM-105.

29. Second Echelon Preventive Maintenance

a. Second echelon, preventive maintenance is the systematic care,

inspection, and servicing of equipment to maintain it in serviceable

condition, prevent breakdowns, and assure maximum operational

capability. Preventive maintenance is the responsibility of all eche-

lons concerned with the equipment and includes the inspection, test-

ing, and repair or replacement of parts, subassemblies, or units that

inspection and tests indicate would probably fail before the next

scheduled periodic service. Preventive maintenance checks and serv-

ices of the equipment at the second echelon level are made at monthly

and quarterly intervals unless otherwise directed by the commanding

officer.

b. Maintenance forms and records to be used and maintained on this

equipment are specified in TM 38-750.

TAGO 6432B