TM 5-3610-253-14
If any ind ication is not correct, replace ML circuit board (paragraph
i.
Check pins 3, 6, and 14 of plug connector 104 for 115 V ac 5 V during
j.
electrical backgauge operations. If correct voltage is present, proceed
to step 1.
k. If indicat ions are incorrect, check for 115 V ac 5 V at terminal 1 of
electronic relays V1, V2, and V3. If inputs are incorrect, verify that
the backgauge overload relay is not tripped. If tripped, reset. If not,
replace overload relay (paragraph 5-36.8). If inputs are correct, check
for 115 V ac 5V on terminal 2 of electronic relays V1, V2, and V3
during backgauge operations. If indications correct, replace MC unit
motherboard (paragraph 5-40.35). If voltage is not present, replace
defective relay (paragraph 5-40.36).
5-537
