Specifications

TM 05539-IN
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INCLUDING LUBRICATION INSTRUCTIONS - CONTINUED 0008 00
0008 00-4
INTERMEDIATE PREVENTIVE MAINTENANCE CHECKS AND SERVICES - CONTINUED
Table 1. Intermediate Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued.
ITEM INSPECTED PROCEDURE/CONDITIONS
Scope Assembly
Scope Rings 1. Ensure scope rings are firmly attached to the optical platform and the scope itself is
secure inside the scope rings.
NOTE
Unless the scope is repaired or replaced at the IMA, there should be no
reason to move or disturb the scope inside the scope rings; this may
affect the weapon’s zero, horizontal, and vertical alignment of the scope
to the weapon.
2. Adjustment of the scope inside the scope rings is not authorized at the Organizational
Maintenance level. However, the Organizational Maintainer (OM) may adjust the
scope assembly (rings attached) for eye relief along the axis of the optical platform
(rail). Retorque to 65 lb-in.
Stock Assembly
Stock Assembly 1. Inspect the stock for cracks and overall serviceability. Pay special attention to the
bridge.
2. Check to ensure that the sling swivel sockets are serviceable and secure within the
stock.
3. Ensure that the recoil pad assembly is serviceable and the recoil pad is not frayed,
excessively worn, or lose.
4. Inspect the cheek piece and cheek piece screws for serviceability.
5. Inspect the bipod stud to ensure that it is serviceable, tight and aligned properly.
6. Inspect the bedding to be sure that it is free of oil, dirt, and debris. Wipe clean the
bedding surfaces as necessary using acetone or denatured alcohol; do not scratch or
otherwise damage the bedding.
7. If any of the above items are missing, worn, or unserviceable, repair as authorized
or evacuate to higher level of maintenance.
Trigger Guard
Magazine Assembly 1. Inspect the trigger guard assembly for serviceability.
2. Inspect the magazine follower and follower spring for serviceability. Ensure spring
seats correctly in floor plate.
3. If any of the above items are missing, worn, or unserviceable, evacuate to higher
level of maintenance.