o
B.
Biennial service (two years).
o
F.
Quadrennial service (four years).
o
H.
Tire rotation and inspection.
o
Z.
Oil sampling.
You may use other symbols as long as they do not conflict with the
established symbols.
You must explain them in the Remarks block.
To
schedule a service, put its symbol (in pencil) in the date due block with
its miles, kilometers, or hours beside it.
(b) Variances. You may not always be able to pull a service when
it is scheduled. For this reason, you are given a variance before or after
the schedule of days, hours, or miles. If you stay within the variance, the
service is treated as if you did it on the day, hours, or miles you
scheduled the service. Following are the variances you are allowed:
o
10 days before or after the scheduled day.
o
10 hours before or after the scheduled hours.
o
100 miles before or after the scheduled miles.
o
160 kilometers before or after the scheduled kilometers.
o
One day for weekly services.
(6) US Army Reserve Equipment. Double the scheduled service interval
when US Army Reserve (USAR) equipment is not operated sufficiently to meet
the hours or mileage prescribed for quarterly or semiannual service.
Exceptions to this are combat vehicles, towed and self-propelled artillery,
aircraft equipment under manufacturer's warranty, and administrative
vehicles provided by the support installation. Double the service interval
for equipment requiring scheduled maintenance service that does not have
hour or mileage intervals.
NEVER extend the interval beyond one year.
Extend all communications and electronics equipment PMCS intervals to
semiannual.
(7) Completing DA Form 2404. Refer to Figure 1-18 for a sample of a
completed DA Form 2404 that is used for operator or crew PMCS. DA Form 2404
has the following five major purposes:
o
It is a record of the faults that are found during an
inspection.
These
include
PMCS,
maintenance
activity
inspections, diagnostic checks, and spot checks.
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QM3511
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