STEP 600 XTPRO: Service & Maintenance Manual - rev. 1.1
Page 7.22
7.20. DISASSEMBLING THE PRIMARY SHAFT
Figure 7.20-1
Carry out the procedures described in 7.13.
“Disassembling the pedal spring” up to the
release of the chain from the levers (step 3) and
7.19. “Disassembling the primary shaft -
secondary shaft chain”.
1. Rest the pedal spring - chains on the upper
part of the frame.
2. Unscrew the 4 screws a fixing the
PRIMARY SHAFT to the frame, using a 17-
mm wrench.
3. Remove the PRIMARY SHAFT.
To reassemble the PRIMARY SHAFT, carry out
the above steps in reverse order.
Before reassembling, check that the
rotation of the gears is in the clockwise
direction.
After completing the procedure, adjust
the alignment and tension of the
PRIMARY SHAFT - SECONDARY
SHAFT CHAIN as described in
paragraphs 8.3. and 8.4. .