TM 9-2320-272-24-1
2-9. INTERVALS (Contd)
a . Unit maintenance, assisted by operator/crew, will perform the checks and services contained in
(1) Semiannual. Every 6 months or 6,000 miles (9,654 kilometers), whichever occurs first.
(2) Annual. Every 12 months or 12,000 miles (19,308 kilometers), whichever occurs first.
(3) Biennial. Every 24 months or 24,000 miles (38,616 kilometers), whichever occurs first.
b. Perform all semiannual inspections in addition to annual inspections at the time of the annual
inspection. Perform all annual and semiannual inspections in addition to biennial inspections at the time of
the biennial inspection.
2-10. REPORTING REPAIRS
All uncorrected defects will be recorded on Equipment Inspection and Maintenance Worksheet, DA Form
2404, in accordance with DA Pam 738-750.
2-11. GENERAL SERVICE AND INSPECTION PROCEDURES
a . While performing specific PMCS procedures, ensure items are correctly assembled, secure,
serviceable, not worn, not leaking, and adequately lubricated as defined below:
(1) An item is CORRECTLY ASSEMBLED when all parts are present and in proper position.
(2) When wires, nuts, washers, hoses, or attaching hardware cannot be moved by hand, wrench, or
prybar, they are secure.
(3) An item is UNSERVICEABLE if it is worn beyond established wear limits or is likely to fail
before the next scheduled inspection.
(4) An item is WORN if there is play between joining parts, or warning and caution plates are not
readable.
(5) LEAKS. TM 9-2320-272-10 contains definitions of class I, II, and III leaks and their effect on
vehicle operation.
(6) If an item meets the requirements specified by lubrication instructions, LO 9-2320-272-12, then it
is ADEQUATELY LUBRICATED.
b. Where the instruction "tighten" appears in a procedure, you must tighten with a wrench to the given
torque value even when the item appears to be secure.
WARNING
Drycleaning solvent is flammable and will not be used near open
flame. Keep fire extinguisher nearby. Use only in well-ventilated
places. Failure to do so may result in injury to personnel.
c. Where the instruction "clean" appears in a procedure, you must use drycleaning solvent,
Type II (SD-2) (PD-680) biodegradable, to clean grease or oil from metal parts. After the item is cleaned,
rinsed, and dried, apply a light grade of oil to unprotected surfaces to prevent rusting. To clean rubber
and plastic materials, use soap and water.
2-12. SPECIFIC PMCS PROCEDURES
a. The preventive maintenance checks and services for which you are responsible are provided in
b. The following columns are left to right on the PMCS schedule:
(1) Item Number. Provides logical order for PMCS performance and is used as a source number for
DA Form 2404, on which your PMCS results will be recorded.
2-3
