Instruction manual

5–43
Replacement Procedures and
Illustrated Parts List
2. Open the forms thickness lever and move the tractors as far left and right
as possible.
3. Holding the shuttle frame assembly by the support legs cast on both sides
of the shuttle motor, set it into the base casting. Use both hands: the
shuttle frame assembly is heavy (page 5–61, Figure 5–11).
4. Align the center 5/32 inch socket head screw in the base casting and
hand turn the screw until only two or three threads have started.
5. Pull the shuttle frame assembly toward the front of the printer and hold it
in this position while you do step 6
CAUTION
Do not over tighten the shuttle frame assembly hold–down screws.
6. Slide the side clamps over the guide shaft and torque the 5/32 inch socket
head clamp screws to 20
± 2 inch–pounds (2.26 ± 0.23 NSm).
7. Torque the center captive 5/32 inch socket head screw to
20
± 2 inch–pounds (2.26 ± 0.23 NSm).
8. Connect the hammer drive and hammer logic cables connectors to the
terminator board on the shuttle frame assembly.
9. Connect the shuttle motor cable connector.
10. Route the MPU cable under the extension spring and connect the MPU
cable connector (page 5–63, Figure 5–12). Make sure the MPU cable
does not touch the extension spring after it is connected.
11. If the shuttle assembly is a new or refurbished unit, adjust the platen gap
(page 4–12); otherwise, skip to step 12.
12. Install the shuttle cover assembly (page 5–16).
13. Adjust the hammer phasing (page 4–25).
14. Return the printer to normal operation (page 4–3).