STEP 600 XTPRO: Service & Maintenance Manual - rev. 1.1
Page 8.4
8.4. TENSION OF PRIMARY SHAFT - SECONDARY SHAFT
CHAIN
Figure 8.4-1
Carry out the procedure described in paragraph
7.8. “Disassembling the frame guard”.
1. Back off the 4 screws a fixing the secondary
shaft to the frame.
2. Adjust nut b and screw c until the vertical
play of the chain at the point midway
between the 2 shafts is approximately1 cm.
3. Check the amount of vertical play at the
midway point with the pedals in various
different positions.
Check that the above adjustments
maintain the alignment of the primary
and secondary shaft axes.
4. After completing the adjustment, lock down
what previously backed off.
To ensure that the chain tension is
correct, move it back and forth over the
entire circumference of the primary
shaft sprocket wheel.
After completing the procedure, check
the alignment of the chain as described
in paragraph 8.3. .
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