TM 9-4910-387-14-2
6-2.
TROUBLESHOOTING (cont)
A.
COPPER TUBING FROM PRESSURE REGULATOR TO VACUUM REGULATOR MAY BE DISCONNECTED.
1 Check if all copper tubing is connected between PRESSURE
REGULATOR (1) and VACUUM REGULATOR (2). Connect if
needed.
2 If PRESSURE REGULATOR does not function, proceed to step B.
B.
PRESSURE REGULATOR IS DEFECTIVE.
Replace PRESSURE REGULATOR (p 6-252).
6-90
