TM 11-6625-1559-12
ly preventive maintenance checks and services
should be performed at 15-day intervals. Adjust-
ment of the maintenance interval must be made
Perform the maintenance functions indicated in
to compensate for any unusual operating condi-
the monthly preventive maintenance checks and
tions. Equipment maintained in a standby (ready
services chart (para 4-7) once each month. Peri-
for immediate operation) condition must have
monthly preventive maintenance checks and serv-
services constitute a part of the monthly checks.
ices performed on it. Equipment in limited stor-
A month is defined as approximately 30 calen-
age (requires service before operation) does not
dar days of 8-hour-per-day operation. If the
require monthly preventive maintenance.
equipment is operated 16 hours a day, the month-
4-7. Monthly Preventive Maintenance Checks and Services Chart
Sequence
No.
Item to be inspected
Procedure
1----
P l u c k o u t items------ Inspect seating of pluckout items. Make certain that tube clamps grip tube basis tightly.
2----
Terminal blocks------ Inspect terminal blocks for loose connections and cracked or broken insulation.
3---
Inspect the resistors and capacitiors for cracks, blistering or other defects.
R e s i s t o r s and
capacitors.
4----
Insulators---------- Inspect insulators, bushings, and sleeves for cracks, chippings, and excessive wear.
5----
I n t e r i o r - - - - - - - - - - - - Clean interior of chassis and cabinet.
quarterly preventive m a i n t e n a n c e checks and
4-8. Quarterly Maintenance
and services chart (para 4-9) in the sequence
Quarterly preventive maintenance checks and
listed. Adjustment of the maintenance interval
must be made to compensate for any unusual op-
203 are required. Periodic daily, weekly, and
crating conditions. Equipment maintained in a
standby (ready for immediate operation) condi-
monthly services constitute a part of the quarter-
ly preventive maintenance checks and services
tion must have quarterly preventive maintenance
checks and services performed on it. Equipment
and must be performed concurrently. All defi-
ciencies or shortcomings will be recorded in ac-
in limited storage (requires service before oper-
cordance with the requirements of TM 38-750.
a t i o n ) does not require quarterly preventive
Perform all the checks and services listed in the
maintenance.
4-9. Quarterly Preventive Maintenance Checks and Services Chart
Sequence
No.
Item to be inspected
Procedure
References
1----
P u b l i c a t i o n s --------------- Check to see that all publications are complete,
DA Pam 310-4.
s e r v i c e a b l e and current.
2----
M o d i f i c a t i o n s -------------- Check DA Pam 310-4 to determine if new
TM 38-750 and DA
applicable MWO's have been published. All
P a m 310-7.
URGENT MWO's must be applied immediately
All NORMAL MWO's must be scheduled.
3-----
Spare
parts
------------
Check
all
spare
parts
(operator
and
organiza-
App B.
tional) for general conditions and method of
storage. No overstock should be evident and all
shortages must be on valid requisition.
Warning: Cleaning compound is flammable
and its fumes are toxic. Provide adequate venti-
Inspect the exterior of the sweep generator. The
lation. Do not use near a flame.
exterior surfaces should be clean and free of dust,
b. Remove grease, fungus, and ground-in dirt
dirt, grease, and fungus.
from the cases; use a cloth dampend (not wet)
a. Remove dust and loose dirt with a clean,
with Cleaning Compound (Federal stock No.
soft cloth.
7930-395-9542).