Shuttle Frame Assembly
362
Shuttle Frame Assembly
Removal
1. Prepare the printer for maintenance (page 313).
2. Remove the ribbon. (Refer to the
User’s Manual
.)
3. Remove the shuttle cover assembly (page 326).
4. Disconnect the MPU cable connector (page 409, Figure 43).
ATTENTION
To prevent electrostatic damage to electronic components, wear a properly grounded static wrist strap when handling
circuit boards, the shuttle frame assembly, and any other electronic component.
5. Disconnect the shuttle motor cable connector (page 406, Figure 42).
6. Disconnect the hammer drive and hammer logic cables connectors from the terminator board on the shuttle frame
assembly.
7. Loosen the side 5/32 inch socket head clamp screws and pull the clamps back and off the guide shaft. Do not remove the
clamps.
8. Loosen the center 5/32 inch socket head screw enough to release the shuttle frame assembly from the base casting.
9. Unlock and slide the tractors outward as far as they will go on the tractor support shaft.
10. Grasping the support legs cast on both sides of the shuttle motor, lift the shuttle frame assembly out of the base casting.
Lift it slowly and carefully: the shuttle frame assembly is heavy; it weighs about 18 pounds (8 Kg).
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