Technogym Step 500i, Service Maintenance Manual

Page: 127 / 182

STEP EXCITE: Service & maintenance manual - rev. 1.4
Page 7.39
Figure 7.15-4
Disassemble the right or left bearing, depending
on whether the pulley or sprocket is to be
removed:
6.
Remove the seeger e using the proper pliers.
Figure 7.15-5
7. Back off the 2 grub screw f in the internal
side of the bearing using a 3-mm hex
wrench.
8. Remove the bearing from the shaft.
Figure 7.15-6
9. Back off the screw g using a 5-mm hex
wrench and its counter nut h .
10. Remove the pinion / pulley from the shaft.
To reassemble the secondary shaft assembly,
carry out the above steps in reverse order.
During reassembly, clamp the bearing
on the shaft, up against the seeger by
locking down the grub screws “f”.
After completing the reassembly, carry
out the adjustment procedures
described in paragraphs 8.1. “Belt
tension”,
8.4. “Align the chain
connecting the primary and secondary
shafts”, 8.5. “Tension the chain
connecting the primary and secondary
shafts” and 8.6. “Align the pulley and
belt”.