TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 8. AC System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Check for restriction at inline dryer.
1. If restriction is found, replace inline
1. Temperature of Air Flow is
dryer (WP 0224 00).
Partially Cool - Continued.
2. Recover refrigerant, evacuate, and
charge system with correct amount of
refrigerant. Measure refrigerant by
weight (WP 0225 00).
3. After system is charged, operate for a
minimum of 10 minutes (TM 5-3805-
291-10) and perform Performance
Checks For AC System (WP 0018 00)
to verify correct operation of AC
system.
4. If problem still exists, go to Test 10.
10. Check for restriction at liquid line.
1. If restriction is found, replace liquid
line (WP 0223 00).
2. Recover refrigerant, evacuate, and
charge system with correct amount of
refrigerant. Measure refrigerant by
weight (WP 0225 00).
3. After system is charged, operate for a
minimum of 10 minutes (TM 5-3805-
291-10) and perform Performance
Checks for AC System (WP 0018 00) to
verify correct operation of AC system.
4. If problem still exists, go to Test 11.
11. Check for restriction at cab filters.
1. Replace cab filters or remove any
restrictions found (TM 5-3805-291-
10).
2. Recover refrigerant, evacuate, and
charge system with correct amount of
refrigerant. Measure refrigerant by
weight (WP 0225 00).
3. After system is charged, operate for a
minimum of 10 minutes (TM 5-3805-
291-10) and perform Performance
Checks for AC System (WP 0018 00) to
verify correct operation of AC system.
N OT E
Pressure should rise when compressor is not in operation.
0008 00-95