TM 11-6625-524-14-2
OPERATOR'S
AND
ORGANIZATIONAL
MAINTENANCE
the
AN/URM-145B/U
are r e q u i r e d daily,
weekly, monthly, and quarterly as shown in table
a. The maintenance duties assigned to the
4-1 and under the special conditions listed below.
operator of the voltmeter are listed below together
with a reference to the paragraphs covering the
b. When the voltmeter is initially installed.
specific m a i n t e n a n c e functions. The duties
c. When the voltmeter is reinstalled after
assigned do not require tools or test equipment
removal for any reason.
other than those issued with the equipment.
d. At least once a week, if the equipment is
(1) Cleaning (para 4-4).
maintained in standby condition. Perform the
(2) Rustproofing and painting.
maintenance functions indicated in the
b. The maintenance duties assigned to the
organizational monthly preventive maintenance
organizational maintenance repairman of the
checks and services table once each month. A
voltmeter are shown in table 4-1. The duties
month is defined as approximately 30 calendar
assigned do not require tools or test equipment
days of 8-hour-per-day operation. If the equip-
other than those issued with the equipment.
ment is operated 16 hours a day, the monthly
4-2. Preventive Maintenance
p r e v e n t i v e maintenance checks and services
Preventive maintenance is the systematic care,
should be performed at 15-day intervals. Ad-
servicing, and inspection of the equipment to
justment of the maintenance interval must be
prevent the occurrence of trouble, to reduce
made to compensate for any unusual operating
downtime, and to assure that the equipment is
conditions. Equipment maintained in a standby
serviceable. The procedures given in table 4-1
(ready for immediate operation) condition must
c o v e r routine systematic c a r e and cleaning
have monthly preventive maintenance checks and
essential to proper upkeep and operation of the
services. Equipment in limited storage (requires
equipment.
service before operation) does not require monthly
maintenance.
vices Periods
Preventive maintenance checks and services of
