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 C2, TM 11-6625-564-12
once
checks
and
services
chart
3-9. Preservation
each 3 months (quarter1y interval) in addition
Remove rust and corrosion from metal sur-
f a c e s by lightly sanding them with No. 000
8) preventive maintenance checks and services.
s a n d p a p e r . Brush two thin coats of paint on
A quarterly interval is defined as 90 calendar
the bare metal to protect it from further cor-
d a y s of 8-hour-per-day operation. All defi-
rosion. R e f e r to the applicable cleaning and
ciencies or shortcomings will be recorded, and
refinishing practices specified in TM 9213.
t h o s e not corrected during the maintenance
service and inspection will be immediately re-
ported to higher level maintenance by the use
3-10. Quarterly Preventive Maintenance
of forms and procedures specified in TM 38-
Checks and Services
750. Equipment with a deficiency that cannot
Perform the maintenance functions indi-
be corrected at the organizational level should
in the quarterly preventive maintenance
b e deadlined in accordance with TM 38-750.
cated
3-11. Quarterly Preventive Maintenance Checks and Services Chart
Sequence
No.
Procedure
Item
References
1
C o m p l e t e n e s s - - - - - - - - - - See that the maintenance kit is complete --------------
P u b l i c a t i o n s - - - - - - - - - - Check to see that all pertinent publications are available.
2
DA Pam 310-4.
The technical manuals must be complete and in usable
condition, without missing pages. All changes pertinent
to the publications must be on hand.
I
DA Pam 310-4.
3
Modification Work
Check to see that all urgent MWO's have been applied to
Orders.
the equipment and that all routine MWO's have been
scheduled.
4
Operational check
Connect the equipment as shown in the block diagram
(self-test).
chart.
Equipment control
Performance
Test
procedure
standard
setting
5
a. T/R lamps on
a. Turn FUN C-
Radio set simulator ---- Set TEST
TION SELECT
test unit and
SELECT switch
radio set simu-
switch to T/R
to OFF.
Radio set simulator ---- Set XMIT LOAD
later light, The
27.5 VDC lamp
switch to OFF.
Radio set simulator ---- Set POWER
on the radio set
switch to
simulator lights.
RESET ON.
b. Turn FUNC-
b. T/R+G lamps
T e s t u n i t - - - - - - - - - - - - - - - - Set POWER
TION SELECT
on both equip-
switch to
switch to
ments light.
RESET ON.
T/R+G.
c. Turn FUNC-
c. The ADF lamp
TION SELECT
on the test unit
switch to ADF
lights.
Equipment control
Test
procedure
Performance
setting
standard
6
T e s t u n i t - - - - - - - - - - - - - - T u r n FUNCTION a. Set test u n i t
a. XMIT lamps
SELECT switch
PTT switch to
both test
on
to T/R.
ON and then
unit and radio
set simulator
MOM ON.
will light in
both ON and
MON ON
positions.
29
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