4-10. UNIT TROUBLESHOOTING. - Continued
Table 4-2. Unit Troubleshooting
TEST OR INSPECTION
ISLATROL CONTROL BOX ASSEMBLY DOES NOT ALLOW PAPER CUTTER TO OPERATE.
Test line terminal board for 208 ± 10 Vac on each phase (A, B, C). (Refer to paragraph 4-12.)
If correct voltage is present, continue with Step 2. If not, check paper cutter circuit breaker. (Refer to
If circuit breaker is good, notify Depot Maintenance.
Test load terminal board for 208 ± 10 Vac on each phase (A, B, C). (Refer to paragraph 4-12.)
If correct voltage is present, test paper cutter. (Refer to TM 5-3610-299-12&P.)
If not, replace islatrol control box. (Refer to paragraph 4-12.)
CARGO DOOR VENT ASSEMBLIES FAIL TO STAY OPENED OR CLOSED WHEN REQUIRED.
Check for broken door spring.
Remove and replace spring. (Paragraph 4-13.)
Check for loose or missing hardware on door latches or for broken latches.
Tighten or replace hardware.
Replace door latch. (Paragraph 4-13.)
Check for damaged or broken vent assembly.
Replace vent assembly. (Paragraph 4-13.)
Check operation of push-button switch.
Replace switch. (Paragraph 4-13.)