Monthly Preventive ,Maintenance Checks and Services Chart
Inspect the equipment to see that it is free of bare spots,
rust, and corrosion.
Inspect the seating of assemblies lA3Al through IA3A10,
fuses 1A3F1 and 1A4F2 through F5, and lamps 1A4DSl
Assemblies 1A3Al through
Inspect for loose connections, cracks, and breaks Return
lA3A10 and terminal
to higher category maintenance for repair.
Resistors and capacitors
Inspect for cracks, blistering, burn discoloration, loose ter-
minals, or any detrimental defects Return to higher
category maintenance for repair.
Do not remove, rock, or twist to inspect Use only direct
pressure to insure the item is fully seated Inspect for
snug fit and good contact.
Test lead sockets (binding
Inspect for dirt, corrosion, chipping, and other damage;
clean or replace as applicable.
Inspect binding posts, buzzer, and meter for corrosion, dirt,
and loose contacts Clean and/or tighten.
Check for breaks Reattach or replace as necessary Cement
Bushings, gaskets, insulation
Inspect for cracks, chipping, loose sleeves, or excessive
diodes Inspect for cleanliness and tightness Clean and/or tighten.
1A3CR1 and CR2, and
transistors 1A3Q1 and
Inspect all exterior and interior hardware for looseness and
damage Screws and bolts must be tight and not damaged.
Interior of chassis and case
Clean both items.
See that all publications are complete, serviceable, and
Check DA Pam 310-7 to determine whether new applicable
MWO's have been published All URGENT MWO's must
be applied immediately All NORMAL MWO's must be
Check all spare parts (operator and organizational) for
general condition and method of storage No overstock
should be evident and all shortages must be on valid