TM 5-3610-286-20
Table 2-5. Organizational Troubleshooting (cont).
Malfunction
Test or inspection
Corrective action
2. SHEET COUNTER IS ON AND DOES NOT OPERATE (cont).
3.
Step 5.
Step 6.
Step 7.
Using a multimeter set to ohms scale, check fuse (e5) for continuity.
If continuity is present, go to step 6.
If no continuity is present, replace fuse (e5) (para. 2-93).
Using a multimeter set to range higher than 24V dc, check for 24V dc on output
side of rectifier.
If no power is present, replace rectifier (para. 2-93).
If power is present, replace limit switch (b141) (figure FO-1).
With one person depressing relay button relay (d14) and other person using a
multimeter set to range higher than 24V dc, check for 24V dc at sheet counter
on/off switch.
If no power is present, replace sheet counter (para. 2-94).
If power is present, replace switch (para. 2-94).
MAIN POWER CONTROL LIGHT LIGHTS, BUT MAIN DRIVE MOTOR (ml) DOES NOT OPERATE WHEN
OPERATION Pushbutton (b14) IS PRESSED.
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.
l
When working on high-voltage components, always have an additional
person present, and keep one hand away from equipment to reduce hazard
of current flowing through vital organs of body. Remove all jewelry from
fingers, wrists, and neck prior to working on electrical components.
Failure to do so may result in death or serious burns.
2-23
