TM 5-5420-202-20-1
INTRODUCTION - Continued
b. PMCS Procedure. 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
inspected.
Column 3- Location - Item to Check/Service. The third column lists the item to be
checked or serviced.
Column 4- Procedures. 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
equipment.
Do not spill solvent, fuel, or lubricant on rubber parts. Solvent, fuel, and lubricants may
damage rubber parts.
Do not use turbine fuel, diesel fuel, gasoline, paint thinner, or benzene (benzol) for cleaning.
These liquids may cause personal injury.
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
following tasks:
Adjusting. Making all necessary adjustments and alinements.
Servicing. Draining and refilling units with oil and changing or cleaning oil falters, fuel falters,
and air cleaners.
Tightening. Tightening nuts, bolts, screws, and other types of fasteners with a torque wrench
to the value listed in the maintenance manual. Do not overtighten; this may strip threads and
break off the part being tightened.
Repairing. Repairing includes inspection, cleaning, preserving, adjusting, replacing, welding,
strengthening, and other tasks associated with putting parts in working condition.
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