TM-9-3990-260-14-P

CONTAINER ROLL-IN/OUT PLATFORM (CROP) MODEL M3 AND MODEL M3A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JULY 2001

TM-9-3990-260-14-P - Page 102 of 306

TM 9-3990-260-14&P

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

Item

No.

Interval

Location

Item to

Check/Service

Procedure

Not Fully Mission

Capable If:

3

(Cont)

Semi-

Annually

Bracing

Mechanisms

d.

Ensure each securing pin can be

inserted through its cam and cam can be

properly secured.

d.

Cam securing pin

hole is deformed or pin

cannot otherwise be

inserted through cam

and properly secured.

4

Semi-

Annually

M3 CROP

Twistlocks

Visually inspect twistlocks to ensure:

a.

The shaft

(10)

is straight and not

cracked or broken.

a.

Shaft is broken.

b.

Handle (11) is securely fastened to

shaft.

b.

Handle is missing.

c.

Shear pin (12) is secure.

c.

Shear pin is miss-

ing.

d.

Head (13) is not broken or cracked.

d.

Head is broken,

cracked or missing.

e.

Twistlock can be locked and

unlocked correctly without undue diffi-

culty.

e.

Twistlock cannot be

locked or unlocked by

hand.

f.

No crack greater than 3/4 inch (19

mm) exists in the welds or parent mate-

rial of the twistlock housing.

f.

Twist lock housing

welds or parent material

contains a crack greater

.than 3/4 inch (19 mm).