TM 11-4625-2709-12
3-5. Daily Preventive Maintenance Checks and Services Chart.
Procedure
Item
References
Req no.
Clean the test set panel and indicator
1
Exterior surfaces
glasses. Check for broken indicator
and meter glass.
a. During operation see that the
None.
Knobs, switches, and lamps
2
knobe, switches, and lamps oper-
ate properly.
b. Tighten any loose knobs.
c. If trouble remains, contact higher
level maintenance for repair.
Para 3-4 to 3-11.
During operation, be alert for any
Operational test
3
Unusual operating indication. If any
unusual indication occur, remove
all power and contact higher level
maintenance for repair.
C.
Remove dust or dirt from the connectors with a .
3-6. Cleaning.
soft-bristled brush.
Inspect the exterior of the test set and the carrying
3-7. Monthly Preventive Maintenance Checks and
case. The exterior surface should be free of dirt,
Services.
grease, and fungus.
Perform the maintenance functions indicated in
Caution: Do not press on the face of any in-
the monthly preventive maintenance checks and ser-
dicators or meters when cleaning. as the meter or
vices chart (para 3-8) once each month in addition to
indicator may be damaged.
the daily preventive maintenance checks and services
a. Remove all loose foreign material with a clean
calendar days of 8-hour-per-day operation. Adjust-
lint-free cloth.
ment of the maintenance interval must be made to
compensate for unusual operating conditions. Equip-
b. Remove grease, fungus, and ground-in dirt with
ment maintained in a standby (ready for immediate
a cloth dampened (not wet) with water and a mild
operation) condition must have monthly preventive
soap.
maintenance checks and services performed on it.
Equipment in limited storage requires service before
operation, but does not require monthly preventive
Caution: Do not use any cleaning solvent on the
maintenance.
front panels or anywhere there is silk screening.
3-2
