TM 11-6130-227-40
MAINTENANCE INSTRUCTIONS
3-1. Scope of
Maintenance
3-2. Tools, Materials, and Test Equipment
General support maintenance of the PP-1660/G
T h e following tools, materials, and test equipment
consists of the following.
required
are
for
routine
maintenance,
t r o u b l e s h o o t i n g . and repair:
a. Tool
Kit,
Electronic
Equipment
TK-105/G.
c . Replacement of authorized maintenance parts
b. T r i c h l o r o t r i f l u o r o e t h a n e .
c. M u l t i m e t e r
AN/USM-223
or
TS-352/U.
d. Testing
performance
for
return
to
service
II.
ROUTING M A I N T E N A N C E
3-3. Scope of
Routine Maintenance
a. Cleaning. Remove the cover of the battery
a. Duties. R o u t i n e
maintenance
of
the
e q u i p m e n t . Use a clean, dry cloth to remove dust
P P - 1 6 6 0 / G consists of the following
a n d dirt. If necessary, use a cloth dampened (not
(1) Cleaning the interior of the equipment (para
with trichlorotrifluoroethane
wet)
and wipe
3-4a).
thoroughly dry with a clean, dry cloth. If available,
( 2 ) Inspecting interior parts and wiring (para
c l e a n i n g equipment or dry compressed air may be
3-4 b).
u s e d to remove loose dust and dirt. If compressed
( 3 ) Tightening loose connections and mounting
air is used, the pressure must be low enough to
prevent damage to the equipment. Be sure ven-
b. Intervals.
Perform routine maintenance
tilating grilles are thoroughly clean and free of
r e g u l a r l y in accordance with a schedule established
foreign matter that might obstruct the free cir-
o n the basis of days or months of use, with con-
culation of air.
sideration for the conditions under which the
WARNING
equipment is operated. For maintenance purposes, a
A d e q u a t e ventilation should be provided
d a y consists of 8 hours of operation and a month
while using TRICHLOROTRIFLUORO-
consists of 30 days of 8-hour operation. It is
ETHANE. Prolonged breathing of vapor
recommended that routine maintenance of the
should be avoided. The solvent should not
PP-166/G
be
performed
monthly,
or
more
be used near heat or open flame, the
f r e q u e n t l y under adverse operating conditions, such
p r o d u c t s of decomposition are toxic and
as exist in very hot, humid, or dusty areas.
irritating.
Since TRICHLOROTRI-
3-4. Routine Maintenance Procedures
FLUOROETHANE dissolves natural
o i l s , prolonged contact with skin should
WARNING
be avoided. When necessary use gloves
T u r n the equipment OFF and disconnect
which the solvent cannot penetrate. If the
the ac input cable from the ac supply
solvent is taken internally, consult a
before servicing the Battery Charger.
physician.
N e v e r perform routine maintenance with
t h e power on, shock hazard exists, death
b. Inspection. I n s p e c t a l l i n t e r i o r p a r t s a n d
wiring for evidence of incipient malfunction or
on contact
may
result,
don't
take
failure.
chances.