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|  TM 11-5820-890-10-8
PMCS for SINCGARS Radios
8.1 c.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR SINCGARS RADIOS
Not Fully Mission
Operator
Item to
Item
Capable IF:
Procedure
Check/Service
Nr
When
1
CONTROLS:
Before
Broken control does not
Check for cracked or
a.
a.
RF PWR
During
function properly.*
broken controls.
CHAN
After
Loose control does not
Check for loose
b.
b.
MODE
function properly.*
controls.
FCTN
Frozen control does not
Check for frozen
DIM
C.
c.
function properly.*
controls.
COMSEC
Knob rnissing and control
Check for missing
d.
d.
VOL
does not function properly.*
control knobs.
CB1 (VAA)
Before
CABLES:
2
Cable is missing.
Check for missing
a.
a.
During
RF (W2)
cables.
RF (CG-3855)
After
Check for proper
b.
RF (CG-3856)
installation.
Audio/Data
Check tightness of
(W4)
C.
connectors.
PA Power
Cable is damaged and
Check for obvious
d.
(CX- 13303) d.
cannot be used.**
damage to cables.
Before
3
Check for proper
a.
AS - 3683
During
installation.
AS - 3900
After
Antenna is not properly
Check for proper
b.
b.
AS-3916
grounded.
grounding
AS - 4266
Antenna part broken and
(Vehicular radios).
C.
cannot be used.**
Check for broken
C.
Antenna part is missing.
d.
antenna parts.
Check for missing
d.
antenna parts.
Check for
e.
tie-downs and
antenna tips.
8-4
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