Printronix P9012, Maintenance Manual

Page: 138 / 256

6–20 Replacement Procedures
Installation
1. Engage the shuttle assembly over the alignment pin and slide the left end
of the shuttle toward the rear of the printer.
2. Install and hand tighten two screws (11) and lockwashers (12) and one
shoulder screw (13) and lockwasher (14).
3. Torque the two screws and one shoulder screw to 40 in–lbs.
CAUTION
Do not overtighten these screws. Over–tightening will strip the threads
in the casting, and the casting will require replacement.
4. Working from left to right, connect the coil connectors.
5. Install the dust barrier block, two screws (7), and lockwashers (8).
Torque screws to 8 in–lbs.
CAUTION
Take care. Barrier block screws (7) are easily damaged.
6. Install the gasket, cam front cover plate, and six screws (4).
7. Install the cam cover and tighten two captive screws (2).
8. Install the ribbon deck as described on page 6–8. Set the shuttle preload
as described on page 5–6 of Chapter 5, Alignments and Adjustments.