TM 5-5420-208-12&P
SECTION IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
4-8. General. To ensure that the equipment is ready for operation at all times, it must be inspected
systematically, so that defects may be discovered and corrected before they result in serious damage or failure.
4-9. Unit Preventive Maintenance Checks and Services (PMCS). Table 4-1 lists and describes preventive
maintenance procedures to be performed at the unit level. All deficiencies and shortcomings will be recorded,
together with the corrective action taken, on DA Form 2404 (Equipment Inspection and Maintenance Work-
sheet) at the earliest possible opportunity.
a. Item Number Column. Checks and services are numbered in chronological order. This column is
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.
b. Item To Be Inspected Column. Items listed in this column are divided into groups indicating the
portion of the equipment of which they are a part.
c. Procedures Column. This column contains a brief description of the procedure by which the check is
to be performed.
d. Not Mission Capable (NMC) Column. This column contains the criteria which will cause the
equipment to be classified as not ready/available because of inability to perform its primary mission. These
conditions must be corrected to return pallet to mission capable status.
Table 4-1
UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Interval - Quarterly
Item
Item to be
Procedures Check for and have
Not Mission Capable (NMC)
No.
Inspected
Adjusted/Repaired as Necessary
1 Pallet
Check for evidence of pallet or
Any evidence of structural or
component damage, broken or
component damage, broken or
cracked welds, missing
cracked welds or missing
components.
components which will prevent
normal operation.
2 Roller and
Check roller and axle movement.
Support plate holes worn or
Axle
Check roller and axle wear in
elongated, or support plates
in support plates. Replace
cracked or broken.
defective parts. Lubricate as
required.
3 Nest Pin Check that nest pin is seated pro-
perly and is secured with ring and
pins. Ensure that chain attaches
nest pin to ring. Replace defective
parts.
4 Nesting
Check for broken, cracked or worn
One or both plates are cracked
Plates
plates.
or broken.
5 Lift Pin
Be sure that lift pin is properly
Lift pin is missing.
installed and is fastened with
spring pins. Replace defective
parts.
6 Instruction,
Be sure that instruction, identifica-
ID and Data
tion and data plates are properly
Plates
fastened, and legible. Replace
defective plates.
4-3
