FRAME 4

TM 9-2350-222-20-2-1

2-5.

M19 CUPOLA SEMIANNUAL (180 DAY) PREVENTIVE MAINTENANCE (CONT)

Item to be Inspected

Step

Procedure

Reference

The interlock portion of the azimuth lock assembly is

located above the opening of the cupola plastic ball

bearing race assembly. Do not allow dry cleaning

solvent to enter the race assembly opening and contact

the plastic ball bearings.

Azimuth Lock

Assemble and install azimuth

TM 20-2-3

lock assembly.

Assembly (cont)

(para 36-69, 36-67)

Lubricate azimuth lock

assembly with lubricating oil.

Adjust azimuth lock

TM 9-2350-222-10

assembly.

GO TO FRAME 5

Para 2-5 Cont

2-14

Change 3