TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Air Conditioning Does Not Blow
Test Step 8. Low Pressure
Cold When Maximum Cooling is
Gauge is Normal and High Pres-
Selected - Continued
sure Gauge Bounces, or Gauge
is Unsteady.
1. Test A/C system for leaks (WP
No Leaks Found - Air is in the A/C
0254).
system. Evacuate and recharge
A/C system (WP 0254).
Proceed to Test Step 9.
Leaks Found - Repair or replace
leaking A/C component.
Proceed to Test Step 9.
Test Step 9. Perform A/C Perfor-
mance Test and Verify A/C Sys-
tem Operation.
1. Using refrigerant reclaimer,
perform A/C performance test
(WP 0032).
2. Monitor and record low pres-
A/C Performance Test Not OK -
sure gauge and high pressure
Remove A/C refrigerant reclaimer
gauge.
and repeat troubleshooting from
the beginning.
A/C Performance Test OK - Trou-
bleshooting complete.
0021-60