Shuttle Frame Assembly239Shuttle Frame AssemblyRemoval1. Prepare the printer for maintenance (page 154).2. Remove the ribbon cartridge. (Refer to the User’s Manual.)3. Remove the shuttle cover assembly (page 203).4. Disconnect the MPU cable connector P03 and shuttle motor cableconnector P02 (page 266, items 5 and 6).CAUTION To prevent electrostatic damage to electronic components, always weara properly grounded static wrist strap when you handle the shuttleframe assembly.5. Disconnect the hammer drive and hammer logic cable connectors fromthe terminator board on the shuttle frame assembly. (See page 262.)6. Loosen the side 5/32 inch socket head clamp screws on each end of theshuttle and pull the clamps back and off the guide shaft. Do not removethe clamps. Hand tighten the clamp screws to hold the clamps back.7. Loosen the center 5/32 inch socket head screw enough to release theshuttle frame assembly from the base casting.8. Unlock and slide the tractors outward as far as they will go on the tractorsupport shaft.9. Open the forms thickness lever all the way.10. Grasp the support legs cast on both sides of the shuttle motor and lift theshuttle frame assembly out of the base casting. Lift it slowly and carefully:the shuttle frame assembly is heavy.11. Place the shuttle frame assembly on the shuttle stabilizer tool for support.NOTE: Orient the shuttle frame assembly so that the rods on the shuttle drivemotor seats onto the shuttle stabilizer tool.Figure 37. Using the Shuttle Stabilizer Tool184066aShuttleStabilizer ToolShuttle FrameAssembly
