TM 9-2590-506-13&P
Table 5-1. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
LEVEL CONTROL SWITCH INOPERATIVE.
NOTE
With converter assembly in the upright position, the level control switch is closed.
a.
Check continuity of switch circuit with switch (2) closed using test plug (item 3, Appendix B, Section III) and
ohmmeter.
(1) Ohmmeter shows an open circuit across white and black lead of test plug.
If wire lead disconnected, reconnect to electrical receptacle (1). If damaged, replace electrical receptacle
(2) Ohmmeter shows an open circuit across white and red lead of test plug.
If wire lead disconnected, reconnect to electrical receptacle (1). If damaged, replace electrical receptacle
(1) (para 5-10).
(3) Resistance of white lead to junction box (3) must be less than 10 ohms.
If wire lead disconnected, reconnect to electrical receptacle (1). If damaged, replace electrical receptacle
(1) (para 5-10).
(4) Resistance of black lead to red lead must be less than 10 ohms.
If wire lead disconnected, reconnect to electrical receptacle (1) (para 5-10).
b.
Check continuity of switch circuit with switch (2) open using test plug (item 3, Appendix B, Section III) a d
n
ohmmeter. To open circuit, manually raise switch (2).
Ohmmeter shows an open circuit across black and red lead of test plug.
If damaged, replace level control switch (2) (para 5-11).
TA255012
5-2
