DISASSEMBLY - TM-55-1730-228-13-P0289

TM 55-1730-228-13&P

4-28. LADDER - REPAIR (Continued)

4-28

a. DISASSEMBLY:

(1) Remove two nuts (1, Figure 4-34), lockwashers (2), flatwashers (3) and shims (4).

(2) Remove rollers (5).

(3) Slide outside section (6) off inside section (7).

(4) Remove four capscrews (8), four washers (9), two blocks (10) and four spacers (11).

b. INSPECTION:

(1) Clean all parts with cleaning solvent and dry with a lint-free cloth.

(2) Inspect moving parts for evidence of wear, burrs, nicks, chips, scoring and other damage.

(3) Replace damaged parts with new parts.

c. ASSEMBLY:

(1) Insert four capscrews (8) with four washers (9) through bracket on inside section (7).

(2) Place four spacers (11) on capscrews (8).

(3) Place two blocks (10) in position and tighten capscrews (8).

(4) Alining channels of outside section (6) with blocks (10), slide outside section (6) on inside section (7) fully.

(5) Position rollers (5) in channels of inside section (7), install shims (4) and slide stud through bracket on outside

section (6).

(6) Secure rollers (5) with flatwashers (3), lockwashers (2) and nuts (1).

(7) Lubricate rollers with spray lubricant.

(8) Install ladder. Refer to para 4-25.

(9) Operational check for proper function.

END OF TASK

4-97