Section 1. GENERAL
This volume contains the maintenance requirements and procedures for direct support and general
support (DS/GS) maintenance for the M118 and M118E1 Periscope Mounts. See Volume I for
a. Chapter 2, General Maintenance Information, lists maintenance iterns and references general
procedures that are necessary to do the maintenance in this manual.
b. Chapter 3, Inspection Upon Receipt, gives the kind of defects to look for when the periscope mount
is returned to DS /GS. A complete inspection should be made and faults listed on DA Form 2404 before
any repairs are made.
c. Chapter 4, Maintenance Procedures, gives step-by-step procedures to repair faults found during
inspection or troubleshooting.
d. Chapter 5, Final Inspection, gives procedures to be done after repair to make sure that the
periscope mount works.
e. Chapter 6, Packaging, gives procedures for packaging the M118 and M118E 1 Periscope Mounts
for storage or shipment.
f. Appendix A, Expendable Supplies and Materials List, lists the supplies and materials needed to
repair the periscope mount.
g. Appendix B, Maintenance Task Index, helps you find the necessary maintenance tasks for the
h. Appendix C, Repair Parts and Special Tools List, gives a listing of repair parts, special tools, and
support equipment required for the performance of direct support, general support, and depot main-
tenance of the periscope mount.