Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT). -726280102

TM 9-2320-364-20-1

2-9. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

TABLES (CONT).

Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT).

Interval

Item to Be

Procedure

Not Mission

Item

Inspected

Capable If:

No.

Semi-

Self-Guided

Check self-guided coupler (1) for cracks,

Radial wear exceeds

Annual

Coupler

damage, or excessive wear. Replace coupler if

3/16 in. (4.76 mm).

cracked or damaged. If radial wear exceeds

3/16 in. (4.76 mm) total, replace coupler

Washer thickness is less

before next mission. If axial clearance

than 3/16 in. (4.76 mm).

exceeds 1/32 in. (.79 mm), measure thickness

of washer (2). If washer (2) thickness is under

3/16 in. (4.76 mm), replace washer. If washer

thickness is larger than 3/16 in. (4.76 mm),

adjust nut (3). Refer to Para 15-20.

If circumference at worn area of coupler jaw

Circumference at worn

(4) is less than 8-1/2 in. (215.9 mm), replace

area is less than 8-1/4 in.

coupler at next scheduled service. If

(209.6 mm).

circumference is less than 8-1/4 in. (209.6

mm), replace coupler before next mission.

Refer to Para 15-20.

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