Daily Preventive Maintenance Checks and Services Chart

116625564-12

3-5. Daily Preventive Maintenance Checks and Services Chart

Sequence

No.

Item

Procedure

References

Exterior surfaces.

Clean the maintenance kit panel and the meter.

Para 3-6

Check for broken meter glass.

Knobs, switches and

a. During operation see that the knobs, switches, and

lamps.

lamps operate properly.

b. Tighten any loose knobs with a No. 8 hex- wrench.

c. Replace all burned-out lamps.

Para 3-12.

d. If trouble remains, contact higher level maintenance

for repair.

Operational test.

During operation, be alert for any unusual operating

Paras 2-5

indications. If any unusual indications occur, remove

through 2-8.

all power and contact higher level maintenance for

repair.

3-6. Cleaning

37. Monthly Preventive Maintenance

Checks and Services

Caution: Do not use any cleaning solvent

on the front panels or anywhere there is silk

Perform the maintenance functions indi-

screening.

cated in the monthly preventive maintenance

Inspect the exterior of the test unit, radio

checks and services chart (para 38) once each

set simulator, and the transit case. The ex-

month in addition to the daily preventive maint-

enance checks and services (para 3-5). A

terior surface should be free of dirt, grease,

and fungus.

month is defined as approximately 30 calendar

days of 8-hour-per-day operation. Adjustment

Caution: Do not press on the meter face

of the maintenance interval must be made to

when cleaning; the meter may become dam-

compensate for any unusual operating condi-

aged.

tions. Equipment maintained in a s t a n d b y

a. Remove all loose foreign material with a

(ready for immediate operation) condition

clean lint-free cloth.

must have monthly preventive maintenance

b. Remove grease fungus, and ground-in

checks and services performed on it. Equip-

dirt with a cloth dampened (not wet) with

ment in limited storage (requires service be-

water and a mild soap.

fore operation) does not require monthly pre-

c. Remove dust or dirt from the connectors

ventive maintenance.

with a soft-bristled brush.

38. Monthly Preventive Maintenance Checks and Services Chart

Sequence

References

Procedure

No.

Item

None

a. Inspect the cables and flexible module extenders for

Cables, flexible module

deterioration and damage, such as cuts, cracks, or

extenders, and rigid

frayed insulation. Repair minor damage to insula-

module extenders.

tion by covering the damaged area with rubber

electrical's tape. Replace defective cables.

b. Inspect the rigid module extenders for damage such

as bent or missing connector pins. Refer to

higher category for repair.

None.

a. Hand check these exterior items for looseness.

Connectors, handle grips,

Tighten all loose exterior items.

jacks, and screws.

b. See that there are no loose or missing screws.

Replace missing screws and tighten all loose

screws.

Para 3-9

Inspect all exposed metal surfaces for rust and

Exterior surfaces.

corrosion. Touch up surfaces.