The Eltron Company P310 - Manual (Page 96)

6.4.1 Stepper Belt Tension
Three screws fasten the Stepper Motor to the rear chassis casting. For belt tensioning
purposes, two of the screws hold the motor through slotted holes. The remaining screw
feeds through a non-slotted hole that serves as a pivot point for motor position
adjustments. Refer to Figure 6-4, and proceed as follows:
Step 1. Remove the Printer Assembly and its rear plate (see Section 5.2.15).
Step 2. Loosen the three screws holding the Stepper Motor just enough to allow the
motor to be repositioned. A half to three-quarter turn should suffice.
6-6
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CHAPTER 6
Figure 6-4. Stepper Motor Fasteners.