Challenge 130TC-A-160000, Service Manual

Page: 50 / 282

MAY 2019
2. Status Indicator RAPs 2-38 CMT-130TC Book Trimmer
RAP 2.30 Book Gate Cylinder
Output 23
The book gate extends and retracts as books
travel through the trimmer. It prevents books
from traveling too far when moving into the grip-
per area. The book gate is attached to the side
registration assembly (Figure 2-44).
Possible Fault Indicators

The book gate never extends.

The book gate never retracts.
Initial Actions
Perform RAP 2.20 Pneumatic Pressure.
Perform GP 6.14 Speed-Control Air Valves.
Check for disconnected or pinched hoses.
Check for loose or damaged wire 100 at the
electrical panel.
Check that the cable connector on valve #10 is
connected properly.
Procedure
1. Fully open the flow control valves on the
book gate air cylinder (Figure 2-44).
2. Switch the main air ON and main power ON.
3. Manually activate valve #10 by pressing the
actuator button on the valve (Figure 2-35).
Does the valve activate?
Y N
Disconnect power and replace valve #10
(PL 5.22 Pneu. Manifold Asm. 59012-1).
4. Electrically activate valve #10 by shorting
wire 100 to 74 at the main PWB. Does the
valve activate?
Y N
Disconnect power and replace valve #10
(PL 5.22 Pneu. Manifold Asm. 59012-1).
5. Disconnect power and replace the main
PWB (REP 4.23 Main PWB Replacement).
6. Readjust the flow control valves to slow the
movement of the book gate slightly in each
direction.
Figure 2-44. Book Gate
Figure 2-45. Pneumatic Valve #10