5–74
Replacement Procedures
Installation
1.
Install the hammer bank cover (page 5–22), if it was removed.
2.
Holding the shuttle frame assembly (10) by the outer beam standoffs
(12), set it into the base casting (11). Use both hands: the shuttle frame
assembly is heavy.
3.
Align the center 5/32 inch socket head screw (9) in the base casting (11)
and hand turn the screw until only two or three threads have started.
4.
Pull the shuttle frame assembly (10) toward the front of the printer and
hold it in this position while you do step 5.
5.
Slide the side clamps (7) over the guide shaft (8) and torque the
5/32 inch socket head clamp screws (6) to 20
±
2 inch–pounds.
6.
Lift up on the shuttle motor, then gently set it down to align the center
screw guide.
7.
Torque the center captive 5/32 inch socket head screw (9) to
20
±
2 inch–pounds.
8.
Connect the left and right hammer bank flex circuit ribbon connectors (4
and 5).
9.
Connect the shuttle cable assembly connector (3).
10. Connect the shuttle motor cable connector (2).
CAUTION
Make sure the MPU cable is below the extension spring and does not
tough the spring after the cable is connected.
11. Connect the MPU cable connector (1).
12. Loosen the platen open belt (page 4–4, steps 3. and 4.).
13. Adjust the platen gap (page 4–14).
14. Adjust the platen open belt (page 4–4).
15. Check the platen gap again. Readjust if necessary (page 4–14).
16. Install the shuttle cover assembly (page 5–24).
17. Return the printer to normal operation (page 5–86).
Summary of Contents for P4280
Page 1: ...P4280 Line Matrix Printer Maintenance Manual R ...
Page 2: ......
Page 3: ...P4280 Line Matrix Printer Maintenance Manual R P N 155064 001 Rev B ...
Page 236: ...A 22 Configuring the Printer ...
Page 246: ...C 2 Torque Table ...
Page 263: ...D 17 Wire Data Cable No Part No Description W7 150649 001 Cable Assembly AC Ground PIN 1 ...
Page 296: ...8 Index Notes ...
Page 297: ......