TM 9-4120-388-14
Table 4-2. Unit Troubleshooting (Cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 10. Check operation of mode selector switch (See para 4-40.)
Replace switch, if defective.
Step 11. Be sure that high or low pressure cut-out switches (S6 and S7) are not open.
PUSH and release TO RESET.
Step 12. Reset (PUSH) PRESSURE CUT-OUT switch(s) and restart unit.
If unit does not start, notify your supervisor.
START AFTER TIME DELAY.
Step 1. Be sure that the HIGH or LOW PRESSURE CUT-OUT switch has tripped.
PUSH and release TO RESET.
4-33