• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS - Continued
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS - Continued

Air Conditioning System Nsn 4120-01-526-9158 P/N 3528349 For Truck, Tractor M1074/M1075 Palletized Load System Page Navigation
  63    64    65    66    67  68  69    70    71    72    73  
img
.
DRAFT
TB 9-2320-364-13&P-1
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM
DUCTS DURING AC OPERATIONS - Continued
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2.
KNOWN INFO
TEST OPTIONS
Visual inspection.
Power to fan control switch OK.
Blower operates.
REASON FOR QUESTION
AC condenser core not blocked or damaged.
Are AC compressor belts
If AC compressor belts are
tight and free from damage?
POSSIBLE PROBLEMS
missing, loose, or
damaged, AC compressor
AC compressor belts loose or damaged.
will not operate properly.
AC heater/evaporator core blocked or
damaged.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Temperature control switch temperature
probe damaged or installed incorrectly.
Heater cable faulty.
AC cable faulty.
Replace or tighten
Defrost cable faulty.
AC compressor belts
NO
as required
AC harness wire 1435 faulty.
(WP 0020). Verify
AC compressor clutch faulty.
repair, go to Step 29
AC harness wire 1154 faulty.
of this fault.
YES
Low pressure switch faulty.
AC harness wire 1156 faulty.
High pressure switch faulty.
AC harness wire 1158 faulty.
AC harness wire 1155 faulty.
AC condenser assembly harness black wire
faulty.
AC condenser motor solenoid faulty.
AC condenser motor red wire faulty.
AC condenser motor ground wire faulty.
AC condenser motor faulty.
AC condenser assembly harness green wire
faulty.
AC condenser motor solenoid ground wire
faulty.
Fan control switch faulty.
Wire 1156 faulty.
Temperature control switch faulty.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0012-4


Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved.