Manual

3-10. CLEANING AND LUBRICATING THE BOLT CARRIER GROUP.

a. Remove the bolt carrier group from the upper receiver. Field strip the bolt carrier

group. Wash all external surfaces with a patch saturated in solvent cleaning compound.

b. Using a small brush dipped in solvent cleaning compound, scrub all carbon deposits

and dirt from the locking lugs of the bolt.

CAUTION

Brush the face of the bolt, paying par-

ticular attention to area under the

face of extractor. Do not attempt to

remove discoloration caused by heat.

When dry, lightly oil the surface of the bolt carrier and place one drop on the bolt body. See

figure 3-20.

3-11. CLEANING AND LUBRICATING THE LOWER RECEIVER GROTJP.

a. Wipe any particles of dirt from the trigger mechanism with a clean patch or brush.

b. Place a drop of oil on each of the pins and the stock hinge and release plungers.

Section 3

3-12. PREVENTIVE MAINTENANCE SERVICES.

3-13. GENERAL.

3-14. RESPONSIBILITY. It is the responsibility of the operator to assure his rifle is properly

lubricated at all times and is in proper functioning order. If the rifle appears to not be function-

ing normally, it will be reported to the responsible organizational personnel. (Table 3-l) . It

will be the responsibility of organizational maintenance personnel to make minor repairs, as

indicated in Table 3-3..

3-15. GENERAL.

3-16. GENERAL PROCEDURES. Organizational maintenance personnel will be responsible

for the care and preventive maintenance of the rifle when in temporary storage and/or under-

going routine inspection. These personnel are responsible for assurance that the rifle is being

properly maintained by the operator and only re-issued when in proper mechanical condition.

Evidence of component failure or wear will be reported to higher authority, consistent with

standard operating instructions.

Section 4

3-14. TROUBLESHOOTING.

3-15. SCOPE. The following information is to assist the operator and organizational mainte-

nance personnel to restore inoperative or worn, or damaged equipment to a satisfactory oper-

ating condition. This includes both determination of the cause (trouble shooting) and correc-

tive action. All repair maintenance indicated shall be performed only by qualified personnel

utilizing standard service equipment. Table 3-l.

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