IBM 6400 Maintenance Information Manual

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Appendix J Replacing The Constant Force Spring
3. Remove the shoulder screw, washers, and spacer from the constant force
spring and drum. Let the spring coil itself up until it reaches the screw that
secures it to the vertical rail. (See Figure 82.)
4. Firmly gripping the spring and drum, remove the screw securing the
spring to the vertical rail. (See Figure 82.)
Legend:
1. Rail Screw
2. Washer
3. Constant Force Spring
4. Large Washer
5. Spacer
6. Drum
7. Shoulder Screw
Figure 82. Removing the Constant Force Spring
The constant force spring is a high tension spring. To avoid
pinching your fingers, coil the spring slowly and carefully.
Do not let the spring twist or crimp.
CAUTION
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IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English