BIOSTRENGTH LINE: Service & Maintenance manual - rev. 2.1
Page 7.163
7.4.33. DISASSEMBLING THE SECONDARY SHAFT
Figure 7.4.33-1
Follow the steps described in paragraphs 7.4.28.
“Disassembling the weight stack frame guard”,
7.4.29. “Disassembling the weight stack cable”
and 7.4.31. “Disassembling the primary shaft -
secondary shaft chain”.
1. Loosen the 2 counter-nuts a and tighten the 2
setting screws b of the SECONDARY
SHAFT using a 17-gauge wrench.
2. Use a 17-gauge wrench to unscrew the 4
screws c.
3. Remove the SECONDARY SHAFT.
To disassemble the components of the
SECONDARY SHAFT, place it on a bench or
flat surface. Then:
To remove the bearings d and e:
1. Use a 3-gauge T-wrench to unscrew the 2
dowels f of the bearings.
2. Remove the bearings.
Figure 7.4.33-2
To disassemble the cam g:
1. Remove the bearing d.
2. Unscrew the screw h fastening the cable
holder, using an 8-gauge hexagonal T-
wrench.
3. Unscrew the screw i fastening the cam hub,
using an 8-gauge hexagonal T-wrench.
4. Remove the cam.
For easier removal of the cam, we
recommend unscrewing the 3 screws I
fastening the cam to the pinion, using a
6-gauge hexagonal T-wrench.
To disassemble the pinion m:
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