INTRODUCTION - Continued
Preventive maintenance checks and services for the vehicle hull are contained in TM 5-5420-
226-20-1. Preventive maintenance checks and services for the communication system will be
performed by maintenance personnel in accordance with the appropriate technical manuals.
The services will be performed in conjunction with hull PMCS.
If anything looks wrong and cannot be freed, report it on DA Form 2404. If something looks
dangerous or may cause equipment damage, report it immediately to your maintenance
b. PMCS Procedures. PMCS column explanations are as follows:
Column 1 - Item No. The first column contains the item number which shall be used as a
source of item numbers for the TM Number Column on DA Form 2404, Equipment Inspection
and Maintenance Worksheet, in recording results of PMCS.
Column 2 - Interval. The second column lists the interval at which the items are to be
Column 3 - Location - Item to Check/Service. The third column lists the item to be
checked or serviced.
Column 4 - Procedure. The fourth column contains all the information required to accomplish
the checks and services.
Column 5 - Not Fully Mission Capable if. The fifth column contains all the conditions
which make the vehicle not fully mission capable.
c. Special Information.
(1) Precautions. The following precautions will help prevent personal injury or damage to
Do not use turbine fuel, diesel fuel, gasoline, paint thinner, or benzene (benzol)
for cleaning. These liquids may cause personal injury.
Do not spill solvent, fuel, or lubricants on rubber parts. Solvent, fuel, and
lubricant may damage rubber parts.
Do not clean inside hull with high pressure steam, water, or air. Some parts
inside hull may rust or be damaged.
Do not use polishing cloths, liquids, pastes, or other rough cleaners to clean
instrument lenses or mirrors. Use lens tissue paper to clean lenses and
mirrors. Remove fingerprints, oil, and dirt with lens cleaning compound
and lens tissue paper.
(2) Services. Services performed by the organizational maintenance mechanic consist of the
Adjusting. Making all necessary adjustments and alinements.