Item to be inspected
Accessory kit pouch _______
Clean out accessory kit pouch with brush
or vacuum cleaner.
Test cable ________________
Clean connector contacts with brush or vacuum
4-8. Quarterly Preventive Maintenance Checks and Services Chart
Item to be inspected
Tighten switches, terminal blocks, connectors,
indicator lights, and test jacks.
Pluckout items -----------
Inspect seating of pluckout items _____________
Electrical and mechanical
Check electrical items for evidence of overheat-
ing and mechanical items for wear and proper
adjustment. Replace parts or adjust as
Inspect interior of case for dirt, moisture,
corrosion, and rust. Clean and touchup paint
Inspect cover gasket for damage. Check to see
that it has resilience and proper fit. Replace,
Check interlock switch for proper operation.
Replace, if necessary.
DA Pam 310-4.
Check to see that all publications are complete,
serviceable, and current.
TM 38-750 and DA
Check DA Pam 310-4 to determine if new appli-
Modification work orders -----
cable MWO'S have been published. ALL
URGENT MWO'S must be applied immedi-
ate y. All NORMAL MWO'S must be
Spare para --------------
Check all spare parts (operator and organiza-
tional) for general condition and method of
storage. No overstock should be evident, and
all shortages must be on valid requisitions
Warning: Prolonged breathing of cleaning
c o m p o u n d is dangerous; make certain that
Examine both the exterior and interior sur-
adequate ventilation is provided. Cleaning com-
faces of the MK-980/PPS-5, especially
pound is flammable; do not use near a flame.
Avoid contact with the skin; wash off any that
faces should be clean and free from dust and
spills on your hands.
other dirt, grease, and fungus.
c. Remove grease, fungus, or ground-in dirt
a. Remove loose dirt with a clean, soft cloth
w i t h a cloth dampened (not wet) with clean-
or, where access is restricted, a shop vacuum
ing compound (FSN 7930-395-9542).
cleaner with a soft, brush-type nozzle.
d. Effective cleaning can be accomplished by
b. Remove dirt from plugs and jacks, using
using a soft, clean cloth dampened, not satu-
either a brush or vacuum cleaner.
rated, with a solution of mild soap and water.