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Table 3-2 - Continued
4. Insufficient or no cooling.
6. Insufficient or no heating capacity.
6. Sight glass indicates yellow.
Section VI. FIELD
3-11. General
Operator and organizational maintenance trouble
may occur while the air conditioner is operating
in the field where supplies and repair parts are
not available and normal corrective action cannot
be performed. When this condition exists, the fol-
lowing expedient repairs may be used in emer-
gencies upon the decision of the unit commander.
Equipment so repaired must be removed from op-
eration as soon as possible and properly repaired
before being placed in operation again.
3-12. Compressor Inoperative
EXPEDIENT REPAIRS
Phase sequence relay (K6)
Bypass the phase sequence
relay by installing a
jumper wire across termi-
nals 2 and 3 of K6.
Warning: Prior to jumping 2 and 3 of K6,
ensure correct phasing at A, B, and C of P4.
Fuse holder (XF)
Bypass the fuse and fuse
holder by installing a jump-
er wire across terminals 1
and 2 or 3 and 4 of XF1.
Fuse holder (XF2)
Bypass the fuse and fuse-
holder by installing a
jumper wire across ter-
minals 1 and 2 of XF2.
Pressure switch (S3)
Bypass the pressure switch
by installing a jumper wire
across terminals 1 and 2 of
S3.
Compressor circuit breaker
Bypass the compressor clr-
(CB1).
cuit breaker by installing a
3-5
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