TM 11-6625-820-12
Procedures
References
Item
Sequence
No.
Clean the test set panel and indicator glasses. Check for broken
1_ _ _ _ _ _ _
Exterior surfaces _ _ _ _ _
indicator and meter glass.
a. During operation see that the knobs, switches, and lamps operate
None.
Knobs, switches and
2_______
properly.
lamps.
b. Tighten any loose knobs.
c. If trouble remains, contact higher level maintenance for repair.
During operation be alert for any unusual operating indications.
Paras 24 to
3______
Operational test_ _ _ _ _
If any unusual indications occur, remove all power and contact
higher level maintenance for repair.
Monthly Preventive Maintenance Checks
Cleaning
and Services
Inspect the exterior of the test set and the carry-
i n g case. The exterior surface should be free of
Perform the maintenance functions indicated in
dirt, grease, and fungus.
t h e monthly preventive maintenance checks and
Caution: Do not press on the face of any indi-
services chart (para 3-8) once each month in addi-
caters or meters when cleaning; the meter or
t i o n to the daily preventive maintenance checks
indicator may be damaged.
a n d services (para 3-5). A month is defined as
a. R e m o v e a l l l o o s e f o r e i g n m a t e r i a l w i t h a
approximately 30 calendar days of 8-hour-per-day
clean lint-free cloth.
operation. Adjustment of the maintenance in-
b. Remove grease, fungus, and ground-in dirt
t e r v a l must be made to compensate for unusual
with a cloth dampened (not wet) with water and a
Equipment maintained in a
operating
conditions.
mild soap.
standby (ready for immediate operation) condition
Caution: Do not use any cleaning solvent on
must have monthly preventive maintenance checks
the front panels or anywhere there is silk screen-
Equipment in
and services performed on it.
ing.
limited storage (required service before operation)
c. Remove dust or dirt from the connectors with
does not require monthly preventive maintenance.
a soft-bristled brush.
Monthly Preventive Maintenance Checks and Services Chart
References
Procedure
Item
Sequence
No.
None
Inspect the cables for deterioration and damage, such as cuts,
1
Cables _ _ _ _ _ _ _
cracks, or frayed insulation. Repair minor damage to insula-
tion by covering the damaged area with rubber electrician's
tape. Replace defective cables.
None
a. Hand check these exterior items for looseness. Tighten all
2
Connectors, jacks, and
loose exterior items.
screws.
b. See that there are no loose or missing screws and tighten all
loose screws.
Exterior surfaces_ _ _ _ _ _ Inspect all exposed metal surfaces for rust and corrosion. Touch
3
up surfaces.
