Canon NP6512 Service Manual page 22

CHAPTER 2 STANDARDS AND ADJUSTMENTS
2) Put the cable drive pulley [1] into the shaft [4], and secure it in position with an E-ring [5].
When putting the cable drive pulley into the shaft, be sure that the hook is at the front.
3) Hook the shorter end [6] on the pulley [7].
2-12
Hook
[4]
Figure 2-18
[7]
[6]
Figure 2-19
[5]
[1]
(front)