TM 5-3610-286-20
Table 2-5. Organizational Troubleshooting (cont).
Malfunction
Test or inspection
Corrective action
15. DELIVERY PILE BOARD WILL NOT LOWER AUTOMATICALLY (cont).
Step 7.
Step 8.
Step 9.
Step 10.
Using a multimeter set to ohms range, check for continuity at points 220 and
negative ( - ) on terminal strip.
If continuity is present, go to step 10.
If no continuity is present, replace brake delivery electromagnet (s9)
(para. 2-64).
Using a multimeter set to range higher than 120V ac, check for 120V ac between
points L1 and L2, L1 and L3, and L2 and L3 of motor protection switch (a8).
If power is present, go to step 9.
If power is not present, replace motor protection switch (a8)
(para. 2-93).
Using a multimeter set to ohms range, check for continuity between points listed
for the following contractors.
Contactor (c7): Point 21 and Point 22, Point A1 and Point A2.
Contactor (c8): Point 21 and Point 22, Point A1 and Point A2.
if continuity is present, go to step 10.
If no continuity is present, replace defective contractors (c8 and/or c7)
(para. 2-93).
Check wiring using schematic (figure FO-1).
Replace defective wiring.
16. DELIVERY PILE BOARD WILL NOT RAISE.
WARNING
HIGH VOLTAGE
l Do not operate printing press until you are sure TSS Press Section is
connected to a suitable ground. Failure to do so may result in death
or serious injury.
l Shut off power source before attempting to disconnect, service, or con-
nect wires or cables. Failure to do so may result in death or serious injury.
2-43
