Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services

TM 9-2330-385-14

4-8. PMCS TABLE (CONT).

Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services

Item

Interval

Item to Be

Procedure

Not Mission

No.

Inspected

Capable If:

Semi-

Cross-

Inspect crossmembers (1) and frame (2) for

Crossmembers or frame

Annual

members and

cracks in welds. If cracks are found, notify

have cracks in welds.

frame

Direct Support Maintenance.

Semi-

Drawbar

Check drawbar mounting bolts (1), tow ring

Tow ring diameter is less

Annual

mounting

mounting plate bolts (2), tow ring (3) and tow ring

than 1-1/4 in. (32 mm) or

bolts, draw-

bracket (4) for looseness, cracked welds or damage.

circumference is less

bar and draw-

Check tow ring (3) for wear by measuring in worn

than 4-5/8 in. (117 mm).

bar extension

area. If diameter is less than 1-1/4 in. (32 mm) or

Tow ring bracket bolt/

(if equipped)

circumference is less than 4-5/8 in. (117 mm),

nuts are loose or missing.

tow ring

replace tow ring prior to next mission. If any tow

bracket bolts,

ring bracket bolts/nuts are loose or missing, replace

Tow ring is loose or bent.

tow ring and

bolt/nut and tighten (Para 4-59 or Para 4-78). If

Tow ring has cracked

tow ring

looseness is found in tow ring, tighten (Para 4-59

welds.

bracket

or Para 4-78). If bending or cracked weld is found

in tow ring, replace (Para 4-59 or Para 4-78). If

Tow ring bracket lower

bending or gouging of lower lip of tow ring bracket

lip is bent or gouged.

is found, replace (Para 4-59 or Para 4-78). If dam-

age or looseness is found in drawbar mounting

bolts, notify Direct Support Maintenance.

4-8